Difference between revisions of "Useful Commands"

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| signal-event reboot || reboots the server
 
| signal-event reboot || reboots the server
 
|-
 
|-
| signal-event <event> || performs SME Server to go regenerate event template '''(use TAB to complete your command line)'''
+
| signal-event <event> || performs SME Server to go regenerate event template '''(you may use TAB to auto-complete your command line)'''
 
|-
 
|-
 
| signal-event dns-update || refreshes the DNS cache, useful for when you know a domain has changed IP and the TTL is too long to wait
 
| signal-event dns-update || refreshes the DNS cache, useful for when you know a domain has changed IP and the TTL is too long to wait
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| config show || display the internal configuration of the server
 
| config show || display the internal configuration of the server
 
|-
 
|-
| config show <service name> || show the service configuration '''(use TAB to complete your command line)'''
+
| config show <service name> || show the service configuration '''(you may use TAB to auto-complete your command line)'''
 
|-
 
|-
 
| db || shows the syntax of the db command
 
| db || shows the syntax of the db command

Revision as of 12:34, 18 February 2013


Apache Related Commands

  • Expand httpd.conf template:
expand-template /etc/httpd/conf/httpd.conf


  • Restart httpd:
/etc/init.d/httpd-e-smith restart


  • To leave Apache reads the distributed configuration file .htaccess per ibay:
db accounts setprop IBAYNAME AllowOverride All
signal-event ibay-modify IBAYNAME


  • Allow PHP URL File Open per ibay:

Make custom httpd directory if not exist

mkdir -p /etc/e-smith/templates-custom/etc/httpd/conf/httpd.conf

Create the template name 99allow_url_fopen and put the content

<Directory /home/e-smith/files/ibays/IBAYNAME/html>
php_admin_flag allow_url_fopen on
</Directory>

Save the file

Expand

expand-template /etc/httpd/conf/httpd.conf

Restart httpd.

/etc/init.d/httpd-e-smith restart

PHP Related Commands

  • Expand php.ini template:
expand-template /etc/php.ini


  • Configure PHP Basedir Restriction per ibay:
db accounts setprop IBAYNAME PHPBaseDir DIR1:DIR2:DIRn
signal-event ibay-modify IBAYNAME

Example

db accounts setprop Primary PHPBaseDir /home/e-smith/files/ibays/Primary:/tmp
signal-event ibay-modify Primary


  • Execution Time:
db configuration setprop php MaxExecutionTime ZZ
expand-template /etc/php.ini
/etc/init.d/httpd-e-smith restart

where ZZ is the time in seconds.


  • Memory Limit:
db configuration setprop php MemoryLimit XXM
expand-template /etc/php.ini
/etc/init.d/httpd-e-smith restart

where XX is the amount of memory in Mb.


  • Upload Max File Size:
db configuration setprop php UploadMaxFilesize WW
expand-template /etc/php.ini
/etc/init.d/httpd-e-smith restart

where WW is the file size in Mb.


  • Allow URL FOpen:

Not secure. Instead use per ibay or directory.

Squid Cache

Extracted from: http://forums.contribs.org/index.php?topic=38848.msg176737#msg176737

Flush and Restart

sv d /service/squid
echo "" > /var/spool/squid/swap.state
sv u /service/squid

& to check it's running

sv s /service/squid

Command-Line Quick Reference Guide

Below is a list of commands that I use all the time & tend to forget.

Generic Linux

COMMAND NAME		DESCRIPTION
df -h                   shows disk usage in human readable form
man <commandname>       shows more info about a command
uname -a		kernel release version
/usr/sbin/smbd -V	samba version
/usr/sbin/httpd -v	apache version
mysql -v		mysql version
php -v		        php version
mv		        moves or renames a file
cp		        copies or backsup a file
rm		        removes or deletes a file
ps -aux|grep <process>	outputs processes running <process>
ps -AH		        report process status
top		        shows processes
top -i                  shows only active processes
htop                    shows processes (more versatile than top)
iptraf		        shows network info
mc -d                   show midnight commander (cli file browser) to navigate through system easily
cat /proc/mdstat	shows software raid
host -t mx aol.com	shows the mx records for aol.com
net groupmap list	shows samba mappings to nt groups
telinit 1		changes to single user mode
ifconfig		shows detailed info on ethernet ports
grep -r "casesensitivesearch" *		finds all documents containing the criteria in a dir
tail -f /var/log/<LOGFILE>		realtime viewing of your log file
hdparm -Tt /dev/mdx (where x is 0,1,2,etc)		shows software raid performance
mdadm --detail /dev/mdx (where x is 0,1,2,etc)		gives raid info
tar -czvf foo.tar.gz foo                               creates a tar/zip file of a directory
tar -xvzf foo.tar.gz                                   untar/unzip a tar/zip file
scp -P <ssh_portnumber> foo.tar.gz <user>@<other_server_ipaddress>:/opt     transfers file to another server in /opt directory
rsync --progress -te "ssh -p <ssh_portnumber>" foo <other_server_ipaddress>:/opt     transfers file to another server
sed -i s/foo/fee/g <FILENAMEORPATHTODIR>  replaces foo with fee

Estimate file space usage - drill down into directories

cd /
du --si --max-depth 1
cd /home
du --si --max-depth 1
cd /home/e-smith
du --si --max-depth 1

RPM's

Command Explanation
rpm -qa shows all rpms installed
rpm -qa --last shows all rpms installed & installation date
rpm -q asks for rpm info
rpm -qi asks for detailed rpm info
rpm -ql <packagename> lists all files in a package
rpm -qf <filename> reports what package a file belongs to

YUM'ing

Command Explanation
yum install <packagename> installs packagename & any package it may need
yum remove <packagename> removes packagename
yum list updates list updates to any installed package
yum list available list available packages in all repos not already installed
grep <reponame> list available packages -shows only from repo name
yum search <packagename> lists all packages in all repos matching packagename
yum --enablerepo=<reponame> <command> enables a repo not normally enabled
/sbin/e-smith/audittools/newrpms shows all extra packages installed

SME Server specific

Command Explanation
signal-event post-upgrade performs SME Server to go regenerate all templates
signal-event reboot reboots the server
signal-event <event> performs SME Server to go regenerate event template (you may use TAB to auto-complete your command line)
signal-event dns-update refreshes the DNS cache, useful for when you know a domain has changed IP and the TTL is too long to wait
/etc/e-smith/events/actions/navigation-conf recreates server-manager navigation panel
config show display the internal configuration of the server
config show <service name> show the service configuration (you may use TAB to auto-complete your command line)
db shows the syntax of the db command
db configuration show shows the entire server configuration
db configuration setprop <record> <property> <value> sets or changes a property in the configuration database
db accounts show shows all account details
db accounts show <accountname> shows the account details

db command

you can see this page of the wiki DB_Variables_Configuration

General Service Handling

  • start
sv u /service/servicename
  • stop
sv d /service/servicename
  • restart
sv t /service/servicename


Information.png Tip:
You can use the TAB to complete your command


Apache Service

Restarting:

sv t /service/httpd-e-smith