*** Make sure you have a back up prior to proceeding. ***
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These are some services I would normally turn off on web servers.
NOTE: usage may vary.

1. gpm — mouse
2. mdmonitor — monitor raid devices
3. netfs — nfs, samba etc…
4. autofs — automount, nfs, cd etc…
5. kudzu — detect new hardware
6. restorecond — monitor selinux file context
7. mcstrans — mandatory access control selinux translation

There may be more, but if you’ve cleaned up your rpm packages, it would probably not exist.

Account Creation Status: failed (Your system has run out of available ip addresses, or you do not have permission to use any more ip addresses. (Unable to find an ip address.) )
You receive the “Account Creation Status: failed” error message while adding a domain from WHM >> Account Functions >> “Create a New Account” option which states that there is no free IP address to assign to your new domain.
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How to change IP address of all the accounts on a cPanel server?
The “Change Site IP Address” option is WHM is not feasible in case you need to change IP address of all the accounts on a server. In order to change IP address of all the domains on a cPanel server, you have to use the “swapip” script provided by cPanel.
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How to compile unix odbc on a cPanel server? On a cPanel server, the /scripts/easyapache script almost provides all the modules that are required to host the websites but the modules such as odbc has to be installed manually. You first have to install the devel packages for unixodbc, then add a line in rawopts file and rebuild Apache+PHP. That is it.
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