Main Page
This is my wiki, containing all of my shortcuts.
System specs
tells the system bit
uname -a
What linux version and release
cat /etc/redhat-release
VPS parent sudo rights
sudo su
OwnerShip
Tell what group number owner is
cat /etc/passwd | grep nobody
Group
add user to group
useradd -G {group-name} username
Permissions
find 777 folders
find /home -perm 0777 -type d -print
Disable root login
useradd lwstaff passwd (assign a password) useradd -G wheel lwstaff vim /etc/ssh/sshd_config change PermitRootLogin to no and uncomment it. restart sshd and test your work.
LIST
Adminlist by last mmodified ls -lt
Adminlist by Proc id lsof -p PID
VI commands
Adminadd line numbers
- set number
Adminremove line numbers
- set nonumber
ModRewrite
Adminredirect Make sure mod_rewrite is on in the httpd.conf Options +FollowSymlinks RewriteEngine on rewritecond %{http_host} ^domain.com [nc] rewriterule ^(.*)$ http://www.domain.com/$1 [r=301,nc]
MODSEC
AdminRemove specified directory from modsec SecRule REQUEST_URI "URI goes here" phase:1,nolog,allow,ctl:ruleEngine=Off Adminadd to this file and restart vi /usr/local/apache/conf/modsec2/whitelist.conf /etc/init.d/httpd restart /etc/init.d/apf restart
AdminRemove a whole domain SecRule SERVER_NAME "handymanreality.com" phase:1,nolog,allow,ctl:ruleEngine=Off
/wp-admin/post.php
inventorymanagement.com
RPM
AdminRpm src packages go here /usr/local/src/
Adminremove old kernal srcs rpm -qa | grep kernel-source | xargs rpm -e
AdminRpm remove installed packages rpm -e --nodeps {package name here}
Adminhorde mail update (nothing can be in account of will all get erased) /usr/local/cpanel/bin/update-horde --force
AdminTo determine mailserver type /scripts/setupmailserver --current
Admincount mail in folder ls | wc -l
Adminremoving mass spam rm -Rf /home/(user here}/mail/cur*
Adminspam removel script for i in $(find . | xargs grep -m 1 -s -i "Mailer-Daemon" | sed -e 's/\.\/[A-Z0-9a-z]\/\([A-Z0-9a-z\-]\{16\}\)\-[HDJ].*/\1/'); do exim -Mrm $i;done
SPAMD
AdminSPAMD failing /scripts/perlinstaller Digest::SHA1 /scripts/perlinstaller --force Mail::SpamAssassin /etc/rc.d/init.d/exim restart /scripts/restartsrv spamd
EXIM
Adminnumber of msg in q exim -bpc
Adminprint msg q summary exim -bp | exiqsumm
Adminstart a full q run exim -q -v
Adminstart a local delivery q run exim -ql -v
Adminflush exim queue exim -bpr | awk {'print $3'} | xargs exim -Mrm
APF
AdminApf un block vi /etc/apf/deny_hosts.rules /etc/init.d/apf restart
Admin# of attemps vi /usr/local/bfd/conf.bfd
AdminStarting APF:Unable to load iptables module (ipt_state), aborting. vi /etc/apf/conf.apf SET_MONOKERN change to 1 /etc/init.d/apf restart
IPTABLES
Adminblock temp with IPtables iptables -I INPUT 1 -s ipaddress -j DROP
Adminblock permanently with APF /etc/apf/deny_hosts.rules
Load checking
Adminlistening on port lsof -i :25
AdminTotal connections on port 80 netstat -nap |grep -c :80
Adminrough per sec hits /usr/bin/lynx -dump -width 500 http://127.0.0.1/whm-server-status | grep GET | awk '{print $12}' | sort | uniq -c | sort -rn | head
AdminTells how many are using port 80 netstat -tn 2>/dev/null | grep :80 | awk '{print $5}' | cut -f1 -d: | sort | uniq -c | sort -rn | head
HTTPD and APACHE
to distill changes to the httpd.conf /usr/local/cpanel/bin/apache_conf_distiller --update
apache uptime /usr/bin/lynx -dump -width 500 http://127.0.0.1/whm-server-status
PHP
PHP info <?php phpinfo(); ?>
PHP version /usr/local/cpanel/bin/rebuild_phpconf --current
PHP 4 module check /usr/local/php4/bin/php
Suphp permission fix wget -O /scripts/suphpfix.pl http://layer3.liquidweb.com/scripts/suphpfix.pl chmod +x /scripts/suphpfix.pl /scripts/suphpfix.pl
enable/disable monitoring script ---
wget http://scripts.ssullivan.org/apiCalls/confMonitoring
perl confMonitoring
PhP mem limit on a shared with dso goes into the public_html in the .htaccess php_value memory_limit 64M
veiw availiable php upgrades /scripts/phpextensionmgr list
install php upgrade /scripts/phpextensionmgr install (name here)
MYSQL
to backup all databases to remote location mkdir /home/sqlbackup for db in `mysql -s -B -e "show databases"`;do mysqldump $db > /home/sqlbackup/$db.sql.(version number here);done
repair a crashed MYISAM table stop chkservd and mysql /usr/local/cpanel/bin/tailwatchd --disable=Cpanel::TailWatch::ChkServd /etc/init.d/mysql stop then do myisamchk -r /var/lib/mysql/(databasename)/(tablename) /etc/init.d/mysql start /usr/local/cpanel/bin/tailwatchd --enable=Cpanel::TailWatch::ChkServd
"MySQL server has gone away" fix
increase wait_timeout and max_allowed_packet in vim /etc/my.cnf /etc/init.d/mysql stop /etc/init.d/mysql start
Correct way to upgrade mysql in cpanel box vim /var/cpanel/cpanel.config mysql=version you want /usr/local/cpanel/whostmgr/bin/whostmgr2 --updatetweaksettings mkdir /home/sqlbackup for db in `mysql -s -B -e "show databases"`;do mysqldump $db > /home/sqlbackup/$db.sql.(old mysql version number here);done /scripts/mysqlup mysqladmin version /scripts/easyapache
Myqsl packages are installed rpm -qa | grep SQL | grep -vi perl Force perl update /scripts/perlinstaller --force Bundle::DBD::mysql
what mysql version mysqladmin version
Mysql database location cd /var/lib/mysql
imports a dumped file mysql database < db-dump-file.sql
Mysqldump mysqldump dbname > dbname.sql
Stats
update all stats for user in `ls -A /var/cpanel/users`; do /scripts/runweblogs $user ;done