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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

Get root fight when logged in using LDAP

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

list by last modified

ls -lt

list by Proc id

lsof -p PID

VI commands

Add line numbers

:set number

remove line numbers

:set nonumber

ModRewrite

redirect 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

Remove specified directory from modsec

SecRule REQUEST_URI  "URI goes here" phase:1,nolog,allow,ctl:ruleEngine=Off

Add to this file and restart

vi /usr/local/apache/conf/modsec2/whitelist.conf
/etc/init.d/httpd restart
/etc/init.d/apf restart

Remove a whole domain

SecRule SERVER_NAME "handymanreality.com" phase:1,nolog,allow,ctl:ruleEngine=Off

Common modsec uri's

/wp-admin/post.php


RPM

Rpm src packages go here

/usr/local/src/

remove old kernal srcs

rpm -qa | grep kernel-source | xargs rpm -e

Rpm remove installed packages

rpm -e --nodeps {package name here}

Email

horde mail update (nothing can be in account of will all get erased)

/usr/local/cpanel/bin/update-horde --force

To determine mailserver type

/scripts/setupmailserver --current

Count mail in folder

ls | wc -l

removing mass spam

rm -Rf /home/(user here}/mail/cur*

spam 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

SPAMD failing

/scripts/perlinstaller Digest::SHA1
/scripts/perlinstaller --force Mail::SpamAssassin
/etc/rc.d/init.d/exim restart
/scripts/restartsrv spamd

EXIM

number of msg in q

exim -bpc  

print msg q summary

exim -bp | exiqsumm 

Start a full q run

exim -q -v

Start a local delivery q run

exim -ql -v 

Flush exim queue

exim -bpr | awk {'print $3'} | xargs exim -Mrm

APF

Apf un block

vi /etc/apf/deny_hosts.rules
/etc/init.d/apf restart
  1. of attemps
vi /usr/local/bfd/conf.bfd

Starting 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

Block temp with IPtables

iptables -I INPUT 1 -s ipaddress -j DROP

Block permanently with APF

/etc/apf/deny_hosts.rules

Load checking

Listening on port

lsof -i :25

Total connections on port 80
<pre>netstat -nap |grep -c :80

rough per sec hits
<pre>/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

Tells how many are using port 80
<pre>netstat -tn 2>/dev/null | grep :80 | awk '{print $5}' | cut -f1 -d: | sort | uniq -c | sort -rn | head

                                                       <h1><center>HTTPD and APACHE</center></h1>
to distill changes to the httpd.conf
<pre>/usr/local/cpanel/bin/apache_conf_distiller --update

apache uptime
<pre>/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

Ports

Bindings

netstat -lnc

Top

sort by memory

shift - m 

sort by processor usage

shift - p

MR Radar

Install mr radar

lpyum install mm3k-client-pull

Rdesktop

rdesktop (servername here) -u mshooltz -p (passhere) &

SSl locations

/usr/share/ssl
/etc/ssl/certs

Empty files

To create a empty file that takes so much spce for testing uploads.

dd if=/dev/zero of=file1G.tmp bs=1G count=1

Index blocking

Blocks the index of / from being seen. Remove the +a- to make visable again.

Options +Indexes +a-

CPANEL

Cpanel gives this error [a fatal error or timeout occurred while processing this directive] mv /home/(username)/.cpanel/*cache different location and or check permissions on the /home/(username)/.cpanel folder should be user:user

error when accessing http://ipaddress/~username/ Warning: Unknown: open_basedir restriction in effect. File(/home/hilariou/public_html/index.php) is not within the allowed path(s): (/usr/local/lp:/proc:/usr/lib/php:/usr/local/lib/php:/tmp) in Unknown on line 0

Move this line to the post section of the httpd.conf

vim /usr/local/apache/conf/httpd.conf

Include "/usr/local/lp/configs/httpd/vhost.conf"


ChkServd

enable chkservd

/usr/local/cpanel/bin/tailwatchd --enable=Cpanel::TailWatch::ChkServd

Disable chkservd

/usr/local/cpanel/bin/tailwatchd --disable=Cpanel::TailWatch::ChkServd

Fantastico

add the Fantastico installer plugin

cd /usr/local/cpanel/whostmgr/docroot/cgi
wget -N http://files.betaservant.com/files/free/fantastico_whm_admin.tgz
tar -xzpf fantastico_whm_admin.tgz
rm -rf fantastico_whm_admin.tgz

Python

find python version

python -V

SED

replace this with THIS

sed -i 's/(this)/(THIS)/g' path/filename

Premigrations

Lower ttls and serial changes

wget http://layer3.liquidweb.com/migrations/premigrate.sh
bash premigrate.sh


SCP

scp {file} root@(servers ip here):/home/ 

Rsync

For restoring a shared account

/scripts/pkgacct (username)

Now empty out their public_html

rm -rf /home/(username)/public_html/*
rsync -avHl /backup/_bacckup-/home/(username)/public_html/ /home/(username)/public_html/

For loops and other loops

ALWAYS RUN THIS FIRST!!!!!

unalias ls

package all cpanel accounts

for user in `ls -A /var/cpanel/users`; do /scripts/pkgacct $user;done

looping a command

while x=0; do killall -9 php5; sleep .1; done

History Removal commands

run this for a I was never in the box situation.

echo "" > /var/log/messages && echo "" /var/log/secure
history -c && echo "" > /var/log/wtmp && echo "" > /var/log/lastlog