cPanel is most popular control panel in the web hosting industry which is generally used on Linux hosting server to manage available resources for a website. The Cpanel control panel is renowned, because of its easy functionality and simplicity.
The simple looking graphical user interface enables user to do more besides its main feature. This control panel enable you to handle your website efficiently and monitor it accurately. It is a control panel which has proven its suitability, simplicity of features, stability, security and premium functionality, which is why its most reliable and famous.
Features of Cpanel:
a) User-friendly : When you log into cPanel, you can see all the applications listed under their respective category. You can easily find by looking at category and then individual application.
b) Security : Cpanel is very secure control panel. For an example, on shared hosting server there are many shared hosting accounts and no individual user can access other user’s file or email or database from his Control panel. Each user access is restricted to their files only.
c) Application Features : With one click you can start using the application.
Example : Using Fantastico you can install various types of blogs,content management, forums, E-commerce carts etc in one click.
d) Manageable : Any novice user can start working and manage his website using Cpanel. You can manage files, emails, database & stats from one interface.
e) Compatibility – Cpanel is compatible with any browser available these days.
Hosting with Cpanel control panel is affordable, reliable and secure because it offers great features for managing your website. At Crucial we provide Cpanel with Shared, Reseller and Linux VPS packages. We provide Cpanel for $15 per month and $19 per month with Fantastico On Linux VPS. CentOS 5/6.2 is the recommended operating system for Cpanel/WHM.
I found many customer saying that their Linux VPS is running out of memory because of some cpanel processes are consuming it. So here I am writing some tweak settings that can be done in WHM to overcome this memory issue and it will help you to make your Linux VPS running faster.
1> Reconfigure Spamd service or disable it completely:
Spamd is memory resource intensive process. The best way to tweak this process is to install CPanel Addon Called ‘Spamdconf’. Do the steps mentioned below for installing and managing Spamdconf.
Login to your WHM as root -> Navigate to Cpanel category -> click on Manage Plugins -> Look for ‘SpamdConf’ and select ‘Install and Keep Updated’ -> Click Save.
After this refresh your WHM -> Navigate to Plugins Category -> Click on Spamd Startup Configuration -> Set Maximum Children to value 2 -> Then hit submit button.
It will reduce your memory usage on the server.
To turn it off Spamd do the following:
Log into WHM -> Under Server Configuration -> Tweak Settings -> Disable ‘Enable SpamAssassin spam filter’
Log into WHM -> go to Service Manager -> Disable Spamd
If you or any of your customers are not using mail listings in cPanel, then to disable Mailman.
Log into WHM -> Under Server Configuration -> Click Tweak Settings -> Disable ‘Enable Mailman mailing lists’
3>Disable Tomcat on a VPS (high memory usage service).
Run these commands in SSH:
# rm -Rf /usr/local/jakarta
#service chkservd stop
# cd /etc/chkserv.d
# rm -Rf tomcat
# cd /var/run/chkservd
# rm -Rf Tomcat_JSP
# service chkservd start
# rm -f /usr/sbin/starttomcat
# rm -f /usr/sbin/startomcat
# rm -f /usr/sbin/stoptomcat
Then you will need to take out these lines from your httpd.conf and restart Apache service.
# LoadModule jk_module libexec/mod_jk.so
# AddModule mod_jk.c
4> Disable CatchAll
If you are getting mail attack, catch all email account can use up all resources and disk storage.
Log into WHM -> Under Server Configuration -> Click Tweak Settings -> Change ‘Initial default/catch-all forwarder destination’ to fail
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