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-   -   Some problems after upgrade OS lenny to squeeze (http://www.howtoforge.com/forums/showthread.php?t=52904)

matiasCU 31st May 2011 18:13

Some problems after upgrade OS lenny to squeeze
 
Hi Guys:
I've had a number of problems when migrating from lenny to squeeze:
1) Apache2:
From the panel I can not make changes to the configuration of the vhost.
I can not restart apache with /etc/init.d/apache2 restart, , restart only by apache2ctl restart
I also encountered errors like the following:
ps aux |grep apache
[apache2] <defunct>

Im set apache2.conf LogLevel debug, but not only reveals the following:
[Tue May 31 12:50:30 2011] [info] mod_unique_id: using ip addr 192.168.0.1
[Tue May 31 12:50:31 2011] [info] Init: Seeding PRNG with 648 bytes of entropy
[Tue May 31 12:50:31 2011] [info] Init: Generating temporary RSA private keys (512/1024 bits)
[Tue May 31 12:50:31 2011] [info] Init: Generating temporary DH parameters (512/1024 bits)
[Tue May 31 12:50:31 2011] [info] Init: Initializing (virtual) servers for SSL
[Tue May 31 12:50:31 2011] [info] mod_ssl/2.2.16 compiled against Server: Apache/2.2.16, Library: OpenSSL/0.9.8o
[Tue May 31 12:50:31 2011] [debug] mod_security2.c(431): SecServerSignature: Changed server signature to "Apache/2.2.0 (Fedora)".
[Tue May 31 12:50:31 2011] [notice] ModSecurity for Apache/2.5.12 (http://www.modsecurity.org/) configured.
[Tue May 31 12:50:31 2011] [notice] Original server signature: Apache/2.2.16 (Debian) mod_ssl/2.2.16 OpenSSL/0.9.8o
[Tue May 31 12:50:31 2011] [notice] suEXEC mechanism enabled (wrapper: /usr/lib/apache2/suexec)
[Tue May 31 12:50:31 2011] [info] mod_unique_id: using ip addr 192.168.0.1
[Tue May 31 12:50:32 2011] [info] Init: Seeding PRNG with 648 bytes of entropy
[Tue May 31 12:50:32 2011] [info] Init: Generating temporary RSA private keys (512/1024 bits)
[Tue May 31 12:50:32 2011] [info] Init: Generating temporary DH parameters (512/1024 bits)
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(253): shmcb_init allocated 512000 bytes of shared memory
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(272): for 511952 bytes (512000 including header), recommending 32 subcaches, 133 indexes each
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(306): shmcb_init_memory choices follow
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(308): subcache_num = 32
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(310): subcache_size = 15996
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(312): subcache_data_offset = 2144
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(314): subcache_data_size = 13852
[Tue May 31 12:50:32 2011] [debug] ssl_scache_shmcb.c(316): index_num = 133
[Tue May 31 12:50:32 2011] [info] Shared memory session cache initialised
[Tue May 31 12:50:32 2011] [info] Init: Initializing (virtual) servers for SSL
[Tue May 31 12:50:32 2011] [info] mod_ssl/2.2.16 compiled against Server: Apache/2.2.16, Library: OpenSSL/0.9.8o
[Tue May 31 12:50:32 2011] [debug] mod_security2.c(431): SecServerSignature: Changed server signature to "Apache/2.2.0 (Fedora)".
[Tue May 31 12:50:32 2011] [info] mod_fcgid: Process manager 31257 started
[Tue May 31 12:50:32 2011] [notice] Apache/2.2.16 (Debian) mod_ssl/2.2.16 OpenSSL/0.9.8o Apache/2.2.0 (Fedora) mod_fcgid/2.3.6 PHP/5.3.3-7+squeeze1 with Suhosin-Patch mod_ruby/1.2.6 Ruby/1.8.7(2010-08-16) configured -- resuming normal operations
[Tue May 31 12:50:32 2011] [info] Server built: Mar 22 2011 20:56:31
[Tue May 31 12:50:32 2011] [debug] prefork.c(1013): AcceptMutex: sysvsem (default: sysvsem)

More info:
dpkg --get-selections |grep apache
apache2 install
apache2-doc install
apache2-mpm-prefork install
apache2-suexec install
apache2-utils install
apache2.2-bin install
apache2.2-common install
libapache-mod-security install
libapache-ruby1.8 install
libapache2-mod-evasive install
libapache2-mod-fastcgi install
libapache2-mod-fcgid install
libapache2-mod-php5 install
libapache2-mod-ruby install
libapache2-mod-suphp install


dpkg --get-selections |grep php
libapache2-mod-php5 install
libapache2-mod-suphp install
php-auth install
php-compat install
php-image-barcode install
php-mdb2 install
php-mdb2-driver-mysql install
php-pear install
php5 install
php5-cgi install
php5-cli install
php5-common install
php5-curl install
php5-gd install
php5-imagick install
php5-imap install
php5-mcrypt install
php5-memcache install
php5-mysql install
php5-pgsql install
php5-sqlite install
php5-suhosin install
php5-xmlrpc install
phpmyadmin install
suphp-common install

uname -a
Linux server 2.6.32-5-686-bigmem #1 SMP Wed May 18 07:33:52 UTC 2011 i686 GNU/Linux

I also disabled ipv6

ps aux |grep apache
root 29019 0.0 0.0 2780 1324 ? S 12:36 0:00 /bin/sh /etc/rc6.d/K09apache2 stop
root 30550 0.0 0.0 4844 1408 ? S 12:45 0:00 /bin/sh /etc/init.d/apache2 restart
root 31252 0.1 0.2 52752 15728 ? Ss 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31257 0.0 0.0 25744 5344 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31259 0.1 0.2 60292 17344 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31260 0.1 0.3 61568 20208 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31261 0.0 0.2 60312 18084 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31262 0.1 0.3 60664 18980 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31263 0.1 0.3 60996 19916 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31264 0.0 0.3 60352 18716 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31265 0.0 0.2 60880 18132 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31266 0.1 0.2 56072 13856 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31267 0.2 0.3 61864 20164 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31268 0.1 0.3 60920 19404 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31269 0.1 0.3 61220 19700 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31270 0.0 0.2 60620 17900 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31271 0.1 0.3 61548 19880 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31272 0.1 0.3 60664 19588 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31273 0.1 0.3 60604 18872 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31274 0.1 0.3 61768 20316 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31275 0.0 0.2 60416 18664 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31276 0.0 0.3 60660 19048 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31277 0.1 0.3 61784 19920 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31278 0.1 0.3 60648 18960 ? S 12:50 0:00 /usr/sbin/apache2 -k restart

Apache2.conf
LockFile ${APACHE_LOCK_DIR}/accept.lock
PidFile ${APACHE_PID_FILE}
Timeout 300
KeepAlive On
MaxKeepAliveRequests 10000
KeepAliveTimeout 4

<IfModule mpm_prefork_module>
StartServers 20
MinSpareServers 10
MaxSpareServers 50
ServerLimit 1024
MaxClients 512
MaxRequestsPerChild 10000
</IfModule>

<IfModule mpm_event_module>
StartServers 2
MaxClients 150
MinSpareThreads 25
MaxSpareThreads 75
ThreadLimit 64
ThreadsPerChild 25
MaxRequestsPerChild 0
</IfModule>

User ${APACHE_RUN_USER}
Group ${APACHE_RUN_GROUP}
AccessFileName .htaccess

<Files ~ "^\.ht">
Order allow,deny
Deny from all
Satisfy all
</Files>

DefaultType text/plain
HostnameLookups Off
ErrorLog ${APACHE_LOG_DIR}/error.log
LogLevel debug
Include mods-enabled/*.load
Include mods-enabled/*.conf
Include httpd.conf
Include ports.conf
LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %O" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent
Include conf.d/
Include sites-enabled/

apache2ctl -t -D DUMP_MODULES

Loaded Modules:
core_module (static)
log_config_module (static)
logio_module (static)
mpm_prefork_module (static)
http_module (static)
so_module (static)
actions_module (shared)
alias_module (shared)
auth_basic_module (shared)
authn_file_module (shared)
authz_default_module (shared)
authz_groupfile_module (shared)
authz_host_module (shared)
authz_user_module (shared)
autoindex_module (shared)
cgi_module (shared)
deflate_module (shared)
dir_module (shared)
env_module (shared)
fcgid_module (shared)
filter_module (shared)
include_module (shared)
mime_module (shared)
evasive20_module (shared)
security2_module (shared)
negotiation_module (shared)
php5_module (shared)
reqtimeout_module (shared)
rewrite_module (shared)
ruby_module (shared)
setenvif_module (shared)
ssl_module (shared)
status_module (shared)
suexec_module (shared)
unique_id_module (shared)
Syntax OK


apache2ctl -e debug
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module actions_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module alias_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module auth_basic_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module authn_file_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module authz_default_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module authz_groupfile_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module authz_host_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module authz_user_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module autoindex_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module cgi_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module deflate_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module dir_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module env_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module fcgid_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module filter_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module include_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module mime_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module evasive20_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(328): loaded file /usr/lib/libxml2.so.2
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module security2_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module negotiation_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module php5_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module reqtimeout_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module rewrite_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module ruby_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module setenvif_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module ssl_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module status_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module suexec_module
[Tue May 31 13:07:50 2011] [debug] mod_so.c(246): loaded module unique_id_module
(98)Address already in use: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs
Action '-e debug' failed.
The Apache error log may have more information.

someone who can help me with this?
Thanks

till 31st May 2011 20:17

There seems to be a hanging apache process that bölocks port 80. Please kill the process with:

kill -9 processid

where you replace "processid" with the ID of the process that you can get with ps aux. Then start apache again.

matiasCU 31st May 2011 22:28

Is true in this case I have two process that appear to be blocked:

root 29019 0.0 0.0 2780 1324 ? S 12:36 0:00 /bin/sh /etc/rc6.d/K09apache2 stop
root 30550 0.0 0.0 4844 1408 ? S 12:45 0:00 /bin/sh /etc/init.d/apache2 restart

But the service answers, both the panel and the virtual sites can be look.

root 31252 0.0 0.2 52752 15744 ? Ss 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31257 0.0 0.0 25744 5344 ? S 12:50 0:00 /usr/sbin/apache2 -k restart
www-data 31259 0.0 0.2 60292 18380 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31260 0.0 0.3 61568 20352 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31261 0.0 0.3 60312 18768 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31262 0.0 0.3 61192 20228 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31263 0.0 0.3 60996 20060 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31264 0.0 0.3 60352 19256 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31265 0.0 0.3 61664 19580 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31266 0.0 0.2 56796 14972 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31267 0.0 0.3 61864 20624 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31268 0.0 0.3 60920 19980 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31269 0.0 0.3 61220 20232 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31270 0.0 0.3 60620 18804 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31271 0.0 0.3 61548 20556 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31272 0.0 0.3 60920 19840 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31273 0.0 0.3 60604 19464 ? S 12:50 0:02 /usr/sbin/apache2 -k restart
www-data 31274 0.0 0.3 61768 20388 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31275 0.0 0.3 60392 19448 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31276 0.0 0.3 60660 19196 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31277 0.0 0.3 61784 20520 ? S 12:50 0:01 /usr/sbin/apache2 -k restart
www-data 31278 0.0 0.3 60392 19468 ? S 12:50 0:02 /usr/sbin/apache2 -k restart

when I kill the process:
kill -9 29019
Kill -9 30550
And restart apache whit /etc/init.d/apache2 restart
This is the logs:
[Tue May 31 17:08:35 2011] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 9 idle, and 27 total children
[Tue May 31 17:09:24 2011] [info] removed PID file /var/run/apache2.pid (pid=1984)
[Tue May 31 17:09:24 2011] [notice] caught SIGTERM, shutting down
[Tue May 31 17:09:24 2011] [info] mod_fcgid: Process manager 1999 stopped

and does not restart apache... then I must finish executing the restart command whit ctrl +

ps aux |grep apache
root 2135 0.0 0.0 4852 1416 pts/1 S+ 17:09 0:00 /bin/sh /etc/init.d/apache2 restart

kill -9 2135
and apache2ctl start
ps aux |grep apache
root 2664 6.5 0.2 52752 15724 ? Ss 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2667 0.0 0.0 25744 5344 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2669 1.4 0.1 54000 12284 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2670 1.7 0.1 53908 12264 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2671 0.8 0.1 53240 10068 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2673 1.1 0.1 53776 11760 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2674 0.8 0.1 53240 10068 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2677 0.7 0.1 53724 10348 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2678 0.6 0.1 53240 10068 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2679 0.8 0.1 53724 10284 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2680 0.7 0.1 53240 10068 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2681 0.6 0.1 53724 10292 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2682 0.7 0.1 53724 10328 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2683 0.7 0.1 53240 10040 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2684 0.6 0.1 53240 10040 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2685 0.7 0.1 53240 10040 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2686 0.7 0.1 53240 10028 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2687 0.7 0.1 53240 10040 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2688 0.8 0.1 53240 10048 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2689 0.5 0.1 53240 10032 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2690 0.4 0.1 53240 10036 ? S 17:16 0:00 /usr/sbin/apache2 -k start
www-data 2691 0.4 0.1 53240 10096 ? S 17:16 0:00 /usr/sbin/apache2 -k start

and return to work but still can not save changes to the virtualhost

matiasCU 31st May 2011 22:53

Every time you make changes such as creating a subdomain ispconfig apache restart it. This is correct right?
I noticed that every time I change the other apache processes no longer work.
The only apache process that remains running is:
root 4443 0.1 0.0 4844 1408 ? S 17:42 0:00 /bin/sh /etc/init.d/apache2 restart

It may be a fault in the daemon /etc/init.d/apache2 or /etc/apache2/envvars?


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