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Flash Player 9 on Linux (Ubuntu Dapper Drake)Flash Player 9 on Linux (Ubuntu Dapper Drake) This tutorial shows how to install the Flash player on a Linux system. It was tested on Dapper Drake (on an x86 - 32 bit machine). How do I find out about my system's memory usage?With cat /proc/meminfo Is it possible to find out which CPU my Linux system uses?Yes, with cat /proc/cpuinfo I get the feeling that my hard disk is very slow. Is there a way I can verify and tune it?You can use hdparm to tune your hard disk. On Debian, you would run apt-get install hdparm to install it. hdparm --help shows a list of all available options. To get more information about your hard disk, run hdparm -i /dev/hda This will look like: /dev/hda:
Model=MAXTOR 6L060J3, FwRev=A93.0500, SerialNo=663214759549
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=32256, SectSize=21298, ECCbytes=4
BuffType=DualPortCache, BuffSize=1819kB, MaxMultSect=16, MultSect=16
CurCHS=4047/16/255, CurSects=16511760, LBA=yes, LBAsects=117266688
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:
* signifies the current active mode
To see how fast your hard disk currently is execute How do I edit files on the command line?To edit files on the command line, you can use an editor such as vi. To open the file, run vi /path/to/file Now you see the contents of the file (if there is any. Please note that the file is created if it does not exist yet.). The most important commands in vi are these: Press i to enter the Insert mode. Now you can type in your text. To leave the Insert mode press ESC. How do I scan my Linux system for rootkits, worms, trojans, etc.?Either with chkrootkit or with rkhunter. chkrootkitEither install the package that comes with your distribution (on Debian you would run apt-get install chkrootkit ), or download the sources from www.chkrootkit.org and install manually: wget --passive-ftp ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz Afterwards, you can move the chkrootkit directory somewhere else, e.g. /usr/local/chkrootkit: |


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