✎ generic_linux_commands [It's in The Wiki]

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====== GENERIC LINUX COMMANDS ======

===== LMS PROD OPEN NEW TERMINAL =====
<code>
gnome-terminal --geometry=157x54+0+0 --tab --command="ssh lms05.lms.ecu.edu.au" --tab --command="ssh lms07.lms.ecu.edu.au" --tab --command="ssh lms08.lms.ecu.edu.au" --tab --command="ssh lms10.lms.ecu.edu.au" --tab --command="ssh lms14.lms.ecu.edu.au" &
</code>

===== RUN COMMAND AS ANOTHER USER =====
<code>
# sudo -u zabbix /app/wcms/bin/webmonitor homepage_nocache
</code>

===== LIST LAST 5 RPMS INSTALLED =====
<code>
# rpm -qa --queryformat '%{installtime} (%{installtime:date}) %{name}\n' | sort -n | tail -5
</code>

===== STRIP NON-DIRECTIVES FROM CONFIG =====
<code>
# egrep -v "^#|^$|[ ]*#" /etc/httpd.alt/conf/httpd.conf | less
</code>

===== DISPLAY LIST OF LAST REBOOT ENTIRES =====
<code>
# last reboot | less
</code>

===== CREATE SYMBOLIC LINKS =====
<code>
# ln -s /app/wcms/bin/findroots /usr/local/bin/
</code>

===== LOGIN TO INTERNAL FIREWALL (from 139.230.244.) =====
<code>
# telnet jogwint.net.ecu.edu.au 259</code>

===== READ SSH KEY PROPERTIES =====
<code>
$ ssh-keygen -lf .ssh/id_rsa.pub</code>

===== SET PEAR TO USE PROXY =====
<code>
# pear config-set http_proxy http://bpm_applications:CRamge05@proxy.ecu.edu.au:80</code>

===== SET PROXY ENV =====
<code>
# export http_proxy="http://bpm_applications:CRamge05@proxy.ecu.edu.au:80"
</code>

===== TAR CHECK =====
<code>
# tar -ztvf ../../wcms.ecu/bak/ecu_3_20_3-2009-08-25_10-08-backup.tar.gz|grep .dump</code>

===== EXTRACT SINGLE FILE FROM TAR =====
<code>
$ tar -zxvf ../../wcms.ecu/bak/ecu_3_20_3-2009-08-25_13-56-backup.tar.gz ecu_3_20_3/wcmsqa-2009-08-25_13-56.dump</code>

===== TAR WITH EXCLUDE =====
<code>
$ tar cvzf filename.tar.gz /dir1/dir2 --exclude "/dir1/dir2/direxcluded"
</code>

===== MOVE FOLDER INTO ANOTHER FOLDER =====
<code>
# rsync -av CLT webarchive/</code>

===== RSYNC to local desktop =====
<code>
# rsync -avze ssh weekly/StaffDirLINUX sspaldin@10.31.66.91:/cygdrive/c/Users/sspaldin/Desktop
rsync -avze ssh  sspaldin@10.31.66.91:/cygdrive/c/Users/sspaldin/Desktop</code>

===== RSYNC EXCLUDE =====
<code>
$ rsync -avze ssh --exclude 'cache' --exclude 'data' root@webcms-jo-app-prod01.cit.ecu.edu.au:/app/wcms/ecu_3_22_3/ .</code>

===== RESTORE FILES FROM BACKUP =====
 
# dsmc restore -inactive -pick /s02/vhosts/web01.ads.ecu.edu.au/htdocs/server/code/</code>

===== RESTORE FILES TO A DIFFERENT LOCATION =====
<code>
# dsmc restore -pick -inactive -todate=29-09-2009 "/s01/wcms/ecu_3_22_3/data/private/logs/*.lo*" /tmp/restore/ -preser=none

Note: symbolic links don't work
</code>

===== SOSREPORT =====
<code>
# sosreport -k apache.log=on,cluster.gfslockdump=on,cluster.lockdump=on,devicemapper.lvmdump=on,general.syslogsize=on,kernel.modinfo=on,networking.traceroute=on,rpm.rpmva=on,yum.yumlist=on,
</code>

===== LIST PHP.INI =====
<code>
# grep -v "^;" /etc/php.ini | grep -v "^$" | less
</code>

===== LIST PACKAGES =====
<code>
# rpm -qa |sort > /app/wcms.ecu/`hostname`-rpms.txt</code>

===== LIST FILES IN PACKAGE =====
<code>
# rpm -ql httpd</code>

===== LIST OPEN FILES, SORTED BY SIZE, OUTPUT TO DATED FILE =====
<code>
# lsof /s02 |sort -nr --key=7 |awk '{print $1,$2,$3,$7,$9}' >/tmp/lsof_s02_`date +%Y-%m-%dT%H-%M-%S`.txt</code>

===== WGET A PAGE SPECIFYING A HEADER AND OUTPUT FILE AND DISPLAYING HEADERS =====
<code>
# wget -S --no-cache --header "Host: www.ecu.edu.au" http://www.ecu.edu.au/ -O index.html
</code>

===== WATCH APACHE LOG FOR WARNINGS =====
<code>
# tail -f -n0 /var/log/httpd/error_log|grep warning</code>

===== UNTAR SINGLE FILE/DIRECTORY =====
<code>
# tar -x ecu_3_28_5/data/private/conf/* -vzf ecu_3_28_5-2011-08-11_11-23-backup.tar.gz
# tar -x ecu_3_28_5/core/lib/web/images/icons/asset_map/matrix_logo.gif -vzf ecu_3_28_5-2011-08-11_11-23-backup.tar.gz

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