Useful Commands

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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 -ax|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 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 -t /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 <other_server_ipaddress>:/opt     transfers file to another server
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

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

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
yum list available |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 (use TAB to 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 (use TAB to 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

Handling Services

TODO SECTION

This section describe the (correct) way to handling services, such as starting, stoping, restarting, etc. SME is different compared with other linux distributions, so service are handled in a different maner.

General handling

sv t servicename

service servicename action

Apache Service

Restarting:

sv t httpd-e-smith

service httpd restart

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