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  #1  
Old 3rd December 2010, 17:01
Galled Galled is offline
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Default My Centos is terribly slow

Hello I have a Centos 5:

Linux xxx.xxx.xxx 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:19:18 EDT 2009 i686 i686 i386 GNU/Linux

Problems:

- When I connect with SSH, each command take until 2 min to run!
- Restart the server takes 16 minutes on average.
- I have a web page in this server (PHP (Joomla) with Apache/2.2.8 (Unix) ) and each page takes 1 min in load.
- I assumed it was because originally it was connected with IPv6, because when running the command "lsmod | grep v6" showed me the following:

ipv6 261473 125
xfrm_nalgo 13381 1 ipv6

But using this website (http://techno.mayix.net/deshabilitar...-redhatcentos/), I disable IPv6 connection because when running the command "lsmod | grep v6" showed me nothing. But the problems of slowness, still.
- When I run the command top give me this:
Code:
top - 09:40:08 up 10 min,  1 user,  load average: 18.89, 14.99, 8.02
Tasks: 153 total,  13 running, 140 sleeping,   0 stopped,   0 zombie
Cpu(s): 57.1%us, 42.4%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.2%hi,  0.3%si,  0.0%st
Mem:   1555380k total,   667200k used,   888180k free,    18332k buffers
Swap:  2048276k total,        0k used,  2048276k free,   193784k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                              
 2265 mysql     15   0  133m  23m 6052 S 35.8  1.5   2:43.58 mysqld                                                                                                               
 2868 apache    15   0 42092  21m 4520 S 18.2  1.4   0:19.51 httpd                                                                                                                
 3112 apache    16   0 41844  21m 4536 S 18.2  1.4   0:09.18 httpd                                                                                                                
 2506 apache    15   0 42108  21m 4516 S 17.9  1.4   0:23.15 httpd                                                                                                                
 3471 apache    16   0 41732  20m 4252 S 17.9  1.4   0:02.59 httpd                                                                                                                
 2567 apache    15   0 42060  21m 4496 S 16.9  1.4   0:20.84 httpd                                                                                                                
 2625 apache    16   0 41840  21m 4568 R 16.9  1.4   0:16.53 httpd                                                                                                                
 3461 apache    15   0 41460  20m 4260 S 16.6  1.4   0:02.17 httpd                                                                                                                
 2593 apache    15   0 42084  21m 4480 S 16.3  1.4   0:15.37 httpd                                                                                                                
 2429 apache    15   0 42040  21m 4484 S  9.8  1.4   0:14.31 httpd                                                                                                                
 3477 apache    18   0 36900  15m 3792 R  5.5  1.0   0:01.24 httpd                                                                                                                
 3499 apache    19   0 37432  16m 3840 R  3.3  1.1   0:01.40 httpd                                                                                                                
 2417 apache    15   0 40544  20m 4508 S  1.3  1.3   0:18.89 httpd                                                                                                                
 3520 root      15   0  2420 1060  800 R  1.3  0.1   0:00.46 top                                                                                                                  
 3464 apache    15   0 41332  20m 4432 S  0.7  1.4   0:04.03 httpd                                                                                                                
 2423 operador  15   0 10032 1596 1024 S  0.3  0.1   0:00.54 sshd                                                                                                                 
 2463 root      16   0  2052  636  556 S  0.3  0.0   0:01.84 hald-addon-stor                                                                                                      
 2482 apache    15   0 37224  16m 4508 S  0.3  1.1   0:17.95 httpd                                                                                                                
    1 root      15   0  2152  672  580 S  0.0  0.0   0:02.09 init                                                                                                                 
    2 root      RT  -5     0    0    0 S  0.0  0.0   0:00.10 migration/0                                                                                                          
    3 root      34  19     0    0    0 R  0.0  0.0   0:00.00 ksoftirqd/0                                                                                                          
    4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0                                                                                                           
    5 root      RT  -5     0    0    0 S  0.0  0.0   0:00.05 migration/1                                                                                                          
    6 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/1                                                                                                          
    7 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/1                                                                                                           
    8 root      10  -5     0    0    0 S  0.0  0.0   0:00.06 events/0                                                                                                             
    9 root      10  -5     0    0    0 S  0.0  0.0   0:00.04 events/1                                                                                                             
   10 root      10  -5     0    0    0 S  0.0  0.0   0:00.03 khelper                                                                                                              
   11 root      14  -5     0    0    0 S  0.0  0.0   0:00.02 kthread                                                                                                              
   15 root      10  -5     0    0    0 S  0.0  0.0   0:00.08 kblockd/0                                                                                                            
   16 root      10  -5     0    0    0 S  0.0  0.0   0:00.05 kblockd/1                                                                                                            
   17 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 kacpid                                                                                                               
   74 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/0                                                                                                             
   75 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/1                                                                                                             
   78 root      15  -5     0    0    0 S  0.0  0.0   0:00.00 khubd                                                                                                                
   80 root      14  -5     0    0    0 S  0.0  0.0   0:00.03 kseriod                                                                                                              
  146 root      19   0     0    0    0 S  0.0  0.0   0:00.00 pdflush                                                                                                              
  147 root      15   0     0    0    0 S  0.0  0.0   0:00.50 pdflush                                                                                                              
  148 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 kswapd0                                                                                                              
  149 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 aio/0                                                                                                                
  150 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 aio/1                                                                                                                
  305 root      11  -5     0    0    0 S  0.0  0.0   0:00.00 kpsmoused                                                                                                            
  349 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 mpt_poll_0                                                                                                           
  350 root      12  -5     0    0    0 S  0.0  0.0   0:00.00 scsi_eh_0                                                                                                            
  354 root      12  -5     0    0    0 S  0.0  0.0   0:00.00 ata/0                                                                                                                
  355 root      12  -5     0    0    0 S  0.0  0.0   0:00.00 ata/1                                                                                                                
  356 root      12  -5     0    0    0 S  0.0  0.0   0:00.00 ata_aux                                                                                                              
  363 root      13  -5     0    0    0 S  0.0  0.0   0:00.00 kstriped                                                                                                             
  376 root      13  -5     0    0    0 S  0.0  0.0   0:00.00 ksnapd
Why is this server so slow? What could be happening? Why Apache appear to have many instances created? And why always consumes so much CPU?

P.D.: Sorry for my english

Last edited by Galled; 3rd December 2010 at 22:36.
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  #2  
Old 3rd December 2010, 18:25
mini14 mini14 is offline
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Default

Those Apache children are serving up webpages..otherwise they would not show at the top of your output while running "Top"

Have you checked your access and error logs to see if there's any suspicious activity?

What hardware is in this box? It seems to be overloaded and IMO should not be even with that level of activity. If you notice, the percent of CPU usage adds up to quite a bit more than 100%
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  #3  
Old 3rd December 2010, 18:28
Galled Galled is offline
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Default

"dmesg" showed me this:
Code:
Linux version 2.6.18-128.1.6.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)) #1 SMP Wed Apr 1 09:19:18 EDT 2009
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000ca000 - 00000000000cc000 (reserved)
BIOS-e820: 00000000000dc000 - 00000000000e0000 (reserved)
BIOS-e820: 00000000000e4000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000005fef0000 (usable)
BIOS-e820: 000000005fef0000 - 000000005feff000 (ACPI data)
BIOS-e820: 000000005feff000 - 000000005ff00000 (ACPI NVS)
BIOS-e820: 000000005ff00000 - 0000000060000000 (usable)
BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000fffe0000 - 0000000100000000 (reserved)
640MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f6aa0
Memory for crash kernel (0x0 to 0x0) notwithin permissible range
disabling kdump
Using x86 segment limits to approximate NX protection
On node 0 totalpages: 393216
DMA zone: 4096 pages, LIFO batch:0
Normal zone: 225280 pages, LIFO batch:31
HighMem zone: 163840 pages, LIFO batch:31
DMI present.
Using APIC driver default
ACPI: RSDP (v002 PTLTD ) @ 0x000f6a30
ACPI: XSDT (v001 INTEL 440BX 0x06040000 VMW 0x01324272) @ 0x5fefa138
ACPI: FADT (v004 INTEL 440BX 0x06040000 PTL 0x000f4240) @ 0x5fefee98
ACPI: BOOT (v001 PTLTD $SBFTBL$ 0x06040000 LTP 0x00000001) @ 0x5fefa202
ACPI: MADT (v001 PTLTD APIC 0x06040000 LTP 0x00000000) @ 0x5fefa1a4
ACPI: DSDT (v001 PTLTD Custom 0x06040000 MSFT 0x03000001) @ 0x00000000
ACPI: PM-Timer IO Port: 0x1008
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Processor #0 6:15 APIC version 17
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
Processor #1 6:15 APIC version 17
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Enabling APIC mode: Flat. Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 70000000 (gap: 60000000:9ec00000)
Detected 1861.345 MHz processor.
Built 1 zonelists. Total pages: 393216
Kernel command line: ro root=LABEL=/
mapped APIC to ffffd000 (fee00000)
mapped IOAPIC to ffffc000 (fec00000)

Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
CPU 0 irqstacks, hard=c0754000 soft=c0734000
PID hash table entries: 4096 (order: 12, 16384 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 1551684k/1572864k available (2122k kernel code, 19808k reserved, 883k data, 228k init, 655296k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 3727.42 BogoMIPS (lpj=1863714)
Security Framework v1.0.0 initialized
SELinux: Initializing.
SELinux: Starting in permissive mode
selinux_register_security: Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0febfbff 20100000 00000000 00000000 00002201 00000000 00000001
CPU: After vendor identify, caps: 0febfbff 20100000 00000000 00000000 00002201 00000000 00000001
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU: After all inits, caps: 0febf3ff 20100000 00000000 00000940 00002201 00000000 00000001
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
ACPI: Core revision 20060707
CPU0: Intel(R) Xeon(R) CPU E5320 @ 1.86GHz stepping 07
SMP alternatives: switching to SMP code
Booting processor 1/1 eip 3000
CPU 1 irqstacks, hard=c0755000 soft=c0735000
Initializing CPU#1
Calibrating delay using timer specific routine.. 3724.65 BogoMIPS (lpj=1862325)
CPU: After generic identify, caps: 0febfbff 20100000 00000000 00000000 00002201 00000000 00000001
CPU: After vendor identify, caps: 0febfbff 20100000 00000000 00000000 00002201 00000000 00000001
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU: After all inits, caps: 0febf3ff 20100000 00000000 00000940 00002201 00000000 00000001
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#1.
CPU1: Intel(R) Xeon(R) CPU E5320 @ 1.86GHz stepping 07
Total of 2 processors activated (7452.07 BogoMIPS).
ENABLING IO-APIC IRQs
..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
checking TSC synchronization across 2 CPUs: passed.
Brought up 2 CPUs
sizeof(vma)=84 bytes
sizeof(page)=32 bytes
sizeof(inode)=340 bytes
sizeof(dentry)=136 bytes
sizeof(ext3inode)=492 bytes
sizeof(buffer_head)=52 bytes
sizeof(skbuff)=172 bytes
migration_cost=4860

checking if image is initramfs... it is
Freeing initrd memory: 2546k freed
NET: Registered protocol family 16
No dock devices found.
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xfd8a0, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI quirk: region 1000-103f claimed by PIIX4 ACPI
PCI quirk: region 1040-104f claimed by PIIX4 SMB
Boot video device is 0000:00:0f.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 11 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 *10 11 14 15)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 12 devices
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
PCI: Bridge: 0000:00:01.0
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Setting latency timer of device 0000:00:01.0 to 64
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
Simple Boot Flag at 0x36 set to 0x80
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
apm: disabled - APM is not SMP safe.
audit: initializing netlink socket (disabled)

type=2000 audit(1291385607.018:1): initialized
highmem bounce pool size: 64 pages
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
SELinux: Registering netfilter hooks
Initializing Cryptographic API
alg: No test for crc32c (crc32c-generic)
ksign: Installing public key data
Loading keyring
- Added public key 88A2B9299D40C296
- User ID: CentOS (Kernel Module GPG key)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Limiting direct PCI/PCI transfers.
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
ACPI: Processor [CPU0] (supports 8 throttling states)
ACPI: Processor [CPU1] (supports 8 throttling states)
Real Time Clock Driver v1.12ac
Non-volatile memory driver v1.2
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 440BX Chipset.
agpgart: AGP aperture is 256M @ 0x0
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:0a: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller at PCI slot 0000:00:07.1
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide1: BM-DMA at 0x1068-0x106f, BIOS settings: hdc:DMA, hdd:pio
Probing IDE interface ide1...
hdc: VMware Virtual IDE CDROM Drive, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
Probing IDE interface ide0...
ide-floppy driver 0.99.newide
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: PS/2 Controller [PNP0303:KBC,PNP0f13:MOUS] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
input: AT Translated Set 2 keyboard as /class/input/input0
TCP bic registered

Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
Time: tsc clocksource has been installed.
ACPI: (supports S0 S1 S4 S5)
input: ImPS/2 Generic Wheel Mouse as /class/input/input1
Freeing unused kernel memory: 228k freed
Write protecting the kernel read-only data: 397k
ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
USB Universal Host Controller Interface driver v3.0
SCSI subsystem initialized
Fusion MPT base driver 3.04.07
Copyright (c) 1999-2008 LSI Corporation
Fusion MPT SPI Host driver 3.04.07
ACPI: PCI Interrupt 0000:00:10.0[A] -> GSI 17 (level, low) -> IRQ 169
mptbase: ioc0: Initiating bringup
ioc0: LSI53C1030 B0: Capabilities={Initiator}
scsi0 : ioc0: LSI53C1030 B0, FwRev=00000000h, Ports=1, MaxQ=128, IRQ=169
Vendor: VMware, Model: VMware Virtual S Rev: 1.0 
Type: Direct-Access ANSI SCSI revision: 02
target0:0:0: Beginning Domain Validation
target0:0:0: Domain Validation skipping write tests
target0:0:0: Ending Domain Validation
target0:0:0: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 127)
SCSI device sda: 16777216 512-byte hdwr sectors (8590 MB)
sda: Write Protect is off
sda: Mode Sense: 5d 00 00 00
sda: cache data unavailable
sda: assuming drive cache: write through
SCSI device sda: 16777216 512-byte hdwr sectors (8590 MB)
sda: Write Protect is off
sda: Mode Sense: 5d 00 00 00
sda: cache data unavailable
sda: assuming drive cache: write through
sda: sda1 sda2 sda3
sd 0:0:0:0: Attached scsi disk sda
Vendor: VMware, Model: VMware Virtual S Rev: 1.0 
Type: Direct-Access ANSI SCSI revision: 02
target0:0:1: Beginning Domain Validation
target0:0:1: Domain Validation skipping write tests
target0:0:1: Ending Domain Validation
target0:0:1: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 127)
SCSI device sdb: 67108864 512-byte hdwr sectors (34360 MB)
sdb: Write Protect is off
sdb: Mode Sense: 5d 00 00 00
sdb: cache data unavailable
sdb: assuming drive cache: write through
SCSI device sdb: 67108864 512-byte hdwr sectors (34360 MB)
sdb: Write Protect is off
sdb: Mode Sense: 5d 00 00 00
sdb: cache data unavailable
sdb: assuming drive cache: write through

sdb: sdb1
sd 0:0:1:0: Attached scsi disk sdb
libata version 3.00 loaded.
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.11.5-ioctl (2007-12-12) initialised: dm-devel@redhat.com
device-mapper: dm-raid45: initialized v0.2429
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux: Disabled at runtime.
SELinux: Unregistering netfilter hooks
type=1404 audit(1291385636.454:2): selinux=0 auid=4294967295 ses=4294967295
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
hdc: ATAPI 1X CD-ROM drive, 32kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
input: PC Speaker as /class/input/input2
VMware vmxnet virtual NIC driver
ACPI: PCI Interrupt 0000:00:11.0[A] -> GSI 18 (level, low) -> IRQ 177
Found vmxnet/PCI at 0x1424, irq 177.
features:
numRxBuffers = 100, numRxBuffers2 = 1
ACPI: PCI Interrupt 0000:00:12.0[A] -> GSI 19 (level, low) -> IRQ 185
Found vmxnet/PCI at 0x14a4, irq 185.
features:
numRxBuffers = 100, numRxBuffers2 = 1
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:1:0: Attached scsi generic sg1 type 0
piix4_smbus 0000:00:07.3: Found 0000:00:07.3 device
piix4_smbus 0000:00:07.3: Host SMBus controller not enabled!
pcnet32.c:v1.32 18.Mar.2006 tsbogend@alpha.franken.de
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
lp0: using parport0 (interrupt-driven).
lp0: console ready
ACPI: AC Adapter [ACAD] (on-line)
ACPI: Power Button (FF) [PWRF]
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
device-mapper: multipath: version 1.0.5 loaded
EXT3 FS on sda3, internal journal
kjournald starting. Commit interval 5 seconds
EXT3 FS on sda1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on dm-0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
VMware hgfs: HGFS is disabled in the host
Adding 2048276k swap on /dev/sda2. Priority:-1 extents:1 across:2048276k
IA-32 Microcode Update Driver: v1.14a <tigran@veritas.com>
VMware hgfs: HGFS is disabled in the host
VMware memory control driver initialized

vmmemctl: started kernel thread pid=1840
VMCI: Major device number is: 253
vsock: no version for "VMCIMemcpyToQueueV" found: kernel tainted.
VMware hgfs: HGFS is disabled in the host
set_rtc_mmss: can't update from 0 to 57
set_rtc_mmss: can't update from 0 to 58
set_rtc_mmss: can't update from 0 to 58
set_rtc_mmss: can't update from 0 to 58
set_rtc_mmss: can't update from 0 to 58
set_rtc_mmss: can't update from 0 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 1 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 2 to 58
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 3 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 4 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
set_rtc_mmss: can't update from 5 to 59
Does it serve?

Last edited by Galled; 3rd December 2010 at 22:34.
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  #4  
Old 3rd December 2010, 18:45
mini14 mini14 is offline
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I would guess that one of three things are happening:

Your hardware has a major problem

Your software is improperly configured

Your server is under some sort of attack

Have you checked the following for clues?
/var/log/messages
/var/log/secure
/var/log/httpd/ (both access and error logs in there)
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  #5  
Old 3rd December 2010, 22:31
Galled Galled is offline
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In "cat /var/log/messages" I have some rare messages:

Code:
Dec  3 08:28:18 prodsinfa avahi-daemon[2368]: WARNING: No NSS support for mDNS detected, consider installing nss-mdns!
...
...
Dec  3 08:29:22 myserve smartd[2623]: Device: /dev/sda, opened 
Dec  3 08:29:22 myserve smartd[2623]: Device: /dev/sda, IE (SMART) not enabled, skip device Try 'smartctl -s on /dev/sda' to turn on SMART features 
Dec  3 08:29:22 myserve smartd[2623]: Unable to register SCSI device /dev/sda at line 32 of file /etc/smartd.conf 
Dec  3 08:29:22 myserve smartd[2623]: Device /dev/sda not available 
Dec  3 08:29:22 myserve smartd[2623]: Device: /dev/sdb, opened 
Dec  3 08:29:22 myserve smartd[2623]: Device: /dev/sdb, IE (SMART) not enabled, skip device Try 'smartctl -s on /dev/sdb' to turn on SMART features 
Dec  3 08:29:22 myserve smartd[2623]: Unable to register SCSI device /dev/sdb at line 33 of file /etc/smartd.conf 
Dec  3 08:29:22 myserve smartd[2623]: Device /dev/sdb not available 
Dec  3 08:29:22 myserve smartd[2623]: Monitoring 0 ATA and 0 SCSI devices

I do not know if this will help but i have:

df -h showed me this:
Code:
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda3             5.8G  2.2G  3.4G  39% /
/dev/sda1              99M   22M   73M  23% /boot
/dev/mapper/gv1-vl1    30G   22G  6.9G  76% /var
tmpfs                 760M     0  760M   0% /dev/shm
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  #6  
Old 3rd December 2010, 22:54
Galled Galled is offline
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I do not know if this will help but i have:

In "/etc/httpd/error_log" I have this:

Code:
[Fri Dec 03 16:26:36 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/
[Fri Dec 03 16:26:37 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:26:41 2010] [error] [client yyy.yy.yyy.yyy] File does not exist: /var/www/html/iconos, referer: http://www.google.com.pe/imgres?imgurl=http://www.mydomain1.com/iconos/rrnn_mapa6.jpg&imgrefurl=http://www.skyscrapercity.com/showthread.php%3Ft%3D334498%26page%3D11&usg=__TE78OCO71_qWPUzsZbnIk7NHi5Y=&h=1113&w=780&sz=192&hl=es&start=8&zoom=1&tbnid=LcPaP_LYt3SzUM:&tbnh=150&tbnw=105&prev=/images%3Fq%3Dmapa%2Bde%2Blas%2Becorregiones%2Bdel%2Bperu%26um%3D1%26hl%3Des%26sa%3DX%26biw%3D1276%26bih%3D574%26tbs%3Disch:1&um=1&itbs=1
[Fri Dec 03 16:26:41 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:26:41 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/
[Fri Dec 03 16:26:42 2010] [error] [client yyy.yy.yyy.yyy] File does not exist: /var/www/html/iconos, referer: http://www.google.com.pe/imgres?imgurl=http://www.mydomain1.com/iconos/rrnn_mapa6.jpg&imgrefurl=http://www.skyscrapercity.com/showthread.php%3Ft%3D334498%26page%3D11&usg=__TE78OCO71_qWPUzsZbnIk7NHi5Y=&h=1113&w=780&sz=192&hl=es&start=8&zoom=1&tbnid=LcPaP_LYt3SzUM:&tbnh=150&tbnw=105&prev=/images%3Fq%3Dmapa%2Bde%2Blas%2Becorregiones%2Bdel%2Bperu%26um%3D1%26hl%3Des%26sa%3DX%26biw%3D1276%26bih%3D574%26tbs%3Disch:1&um=1&itbs=1
[Fri Dec 03 16:26:47 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:26:55 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:26:55 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:26:56 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:26:57 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:26:57 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:26:57 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:26:59 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:01 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:01 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:06 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:07 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:10 2010] [error] [client zzz.zzz.zzz.zz] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:10 2010] [error] [client zzz.zzz.zzz.zz] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:15 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:15 2010] [error] [client aa.a.aa.aaa] ModSecurity: Warning. Match of "rx ^OPTIONS$" against "REQUEST_METHOD" required. [file "/etc/httpd/modsecurity.d/modsecurity_crs_21_protocol_anomalies.conf"] [line "41"] [id "960015"] [msg "Request Missing an Accept Header"] [severity "CRITICAL"] [tag "PROTOCOL_VIOLATION/MISSING_HEADER"] [hostname "www.mydomain.com"] [uri "/compress/css.php"] [unique_id "M81kEX8AAAEAADJwui8AAAAN"]
[Fri Dec 03 16:27:15 2010] [error] [client aa.a.aa.aaa] ModSecurity: Warning. Operator EQ matched 0 at REQUEST_HEADERS. [file "/etc/httpd/modsecurity.d/modsecurity_crs_21_protocol_anomalies.conf"] [line "48"] [id "960009"] [msg "Request Missing a User Agent Header"] [severity "WARNING"] [tag "PROTOCOL_VIOLATION/MISSING_HEADER"] [hostname "www.mydomain.com"] [uri "/compress/css.php"] [unique_id "M81kEX8AAAEAADJwui8AAAAN"]
[Fri Dec 03 16:27:16 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=salida
[Fri Dec 03 16:27:18 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:18 2010] [error] [client xxx.xx.xx.xx] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:19 2010] [error] [client ddd.jjj.vvv.tt] ModSecurity: Warning. Match of "rx ^OPTIONS$" against "REQUEST_METHOD" required. [file "/etc/httpd/modsecurity.d/modsecurity_crs_21_protocol_anomalies.conf"] [line "41"] [id "960015"] [msg "Request Missing an Accept Header"] [severity "CRITICAL"] [tag "PROTOCOL_VIOLATION/MISSING_HEADER"] [hostname "www.mydomain.com"] [uri "/frontpage/rss.html"] [unique_id "NAq8an8AAAEAADJ9RlUAAAAO"]
[Fri Dec 03 16:27:20 2010] [error] [client kkk.cc.vvv.ii] File does not exist: /var/www/html/templates/mydomaininterioresbyairgat/images/bg_patrias.png, referer: http://www.mydomain.com/K0mPr355/CsS.php?id=interiores_airgat
[Fri Dec 03 16:27:26 2010] [error] [client zzz.zzz.zzz.zz] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:28 2010] [error] [client zzz.zzz.zzz.zz] File does not exist: /var/www/html/images/logo.jpg, referer: http://frenteweb.mydomain.com/mywebsystem/?mod=consulta_cult
[Fri Dec 03 16:27:48 2010] [error] [client kkk.jjj.ii.ttt] File does not exist: /var/www/html/templates/mydomaininterioresbyairgat/images/bg_patrias.png, referer: http://www.mydomain.com/redes-de-contacto/directorio-telefonico.html
[Fri Dec 03 16:27:52 2010] [error] [client bbb.bb.bbb.bb] File does not exist: /var/www/html/templates/mydomaininterioresbyairgat/images/bg_patrias.png, referer: http://www.mydomain.com/K0mPr355/CsS.php?id=interiores_airgat
[Fri Dec 03 16:28:55 2010] [error] [client bbb.bb.bbb.bb] File does not exist: /var/www/html/images/logo.jpg, referer: http://aguaje.mydomain2.com/mywebsystem/
[Fri Dec 03 16:28:55 2010] [error] [client bbb.bb.bbb.bb] File does not exist: /var/www/html/templates/mydomain_baella, referer: http://aguaje.mydomain2.com/mywebsystem/
In "free -m" I have this:

Code:
             total       used       free     shared    buffers     cached
Mem:          1518        876        642          0         47        566
-/+ buffers/cache:        263       1255
Swap:         2000          0       2000
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  #7  
Old 4th December 2010, 12:12
falko falko is offline
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Is this a physical system or a virtual machine?
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  #8  
Old 6th December 2010, 15:54
Galled Galled is offline
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Initially I assumed it was a real machine, but then appears to be a "VMWare" but do not yet know the version.
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  #9  
Old 6th December 2010, 17:08
Galled Galled is offline
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Ok.... Mmmm. This is so weird. I just conect with my server by SSH and now it's fast!

It is possible that a requirement to note the speed of the server after changing the settings by disabling the "IPv6" is restarting the client? Because that's all I've done and now the site loads fast and the connection via SSH is fast too!

Now "top" showed me this:
Code:
top - 10:58:14 up 2 days,  9:10,  1 user,  load average: 0.56, 1.04, 0.64
Tasks: 124 total,   2 running, 121 sleeping,   0 stopped,   1 zombie
Cpu(s):  0.3%us,  0.7%sy,  0.0%ni, 99.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1555380k total,  1460660k used,    94720k free,    60656k buffers
Swap:  2048276k total,       80k used,  2048196k free,  1114088k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                            
 4299 apache    15   0     0    0    0 Z  0.7  0.0   0:01.09 httpd <defunct>                                                    
 4513 apache    15   0 38092  17m 4452 S  0.3  1.2   0:01.27 httpd                                                              
 4646 root      15   0  2412 1040  800 R  0.3  0.1   0:00.45 top                                                                
    1 root      15   0  2152  640  552 S  0.0  0.0   0:01.24 init                                                               
    2 root      RT  -5     0    0    0 S  0.0  0.0   0:01.49 migration/0                                                        
    3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0                                                        
    4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0                                                         
    5 root      RT  -5     0    0    0 S  0.0  0.0   0:00.78 migration/1                                                        
    6 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/1                                                        
    7 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/1                                                         
    8 root      10  -5     0    0    0 S  0.0  0.0   0:00.32 events/0                                                           
    9 root      10  -5     0    0    0 S  0.0  0.0   0:00.15 events/1                                                           
   10 root      10  -5     0    0    0 S  0.0  0.0   0:00.25 khelper                                                            
   11 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kthread                                                            
   15 root      19  -5     0    0    0 S  0.0  0.0   0:01.12 kblockd/0                                                          
   16 root      10  -5     0    0    0 S  0.0  0.0   0:00.67 kblockd/1                                                          
   17 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 kacpid                                                             
   74 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/0                                                           
   75 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/1                                                           
   78 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 khubd                                                              
   80 root      18  -5     0    0    0 S  0.0  0.0   0:00.00 kseriod                                                            
  146 root      15   0     0    0    0 S  0.0  0.0   0:02.54 pdflush                                                            
  147 root      15   0     0    0    0 S  0.0  0.0   0:15.59 pdflush                                                            
  148 root      10  -5     0    0    0 S  0.0  0.0   0:03.60 kswapd0                                                            
  149 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 aio/0                                                              
  150 root      14  -5     0    0    0 S  0.0  0.0   0:00.00 aio/1                                                              
  304 root      11  -5     0    0    0 S  0.0  0.0   0:00.00 kpsmoused                                                          
  349 root      10  -5     0    0    0 S  0.0  0.0   0:00.01 mpt_poll_0                                                         
  350 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 scsi_eh_0                                                          
  354 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 ata/0                                                              
  355 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 ata/1                                                              
  356 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 ata_aux                                                            
  363 root      18  -5     0    0    0 S  0.0  0.0   0:00.00 kstriped                                                           
  376 root      19  -5     0    0    0 S  0.0  0.0   0:00.00 ksnapd                                                             
  387 root      20   0 10032 2752 2204 S  0.0  0.2   0:00.03 sshd                                                               
  389 root      10  -5     0    0    0 S  0.0  0.0   0:04.76 kjournald                                                          
  394 operador  15   0 10032 1596 1024 S  0.0  0.1   0:00.04 sshd                                                               
  397 operador  16   0  4620 1368 1156 S  0.0  0.1   0:00.04 bash                                                               
  414 root      10  -5     0    0    0 S  0.0  0.0   0:00.34 kauditd
And "df -h" showed me this:
Code:
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda3             5.8G  2.2G  3.4G  39% /
/dev/sda1              99M   22M   73M  23% /boot
/dev/mapper/gv1-vl1    30G   21G  7.1G  75% /var
tmpfs                 760M     0  760M   0% /dev/shm
And in "free -m" I have this
Code:
             total       used       free     shared    buffers     cached
Mem:          1518       1454         64          0         59       1089
-/+ buffers/cache:        304       1213
Swap:         2000          0       2000
As far as I know, since the friday nobody has touched the server and the only thing I did was simply restart my pc.

I will continue to monitor the server during the day to verify that the problem is solved.

Thank you very much for all your help and your time!

P.D.:I have reviewed the "history" and an administrator has restarted the "Apache" and "MySQL". I supose he has made a modify of some config file of this services, but in the "history" trail does show nothing similar to "vi" or "gedit". He may have done this change by FTP or another way.

Last edited by Galled; 6th December 2010 at 17:19.
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  #10  
Old 7th December 2010, 15:31
Galled Galled is offline
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I talk to an administrator. He has replaced the entire virtual machine Centos 32-bit to a "Ubuntu Sever 10.10" and has installed the apache in worker mode and fast-cgi php. He has made in the weekend.

Bone in the end the solution was to change the OS. XD
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