HowTos Linux Troubleshootings

CPanel / WHM Troubleshootings & Short HowTos

CPanel / WHM

CPanel is a popular WHM solution. In past few days, i faced trouble while working with it. Thought to share with you if you face the same problem.


Not a HASH reference at /var/cpanel/perl/easy/Cpanel/ line 340

/scripts/checkperlmodules --full

How to Disable ConfigServer Security & Firewall

How to Disable Mandatory SSL (Web Login to WHL)
vim /var/cpanel/cpanel.config



And change the “1” to “0”, and save the file changes.
Now execute the following command to effect the changes;
/usr/local/cpanel/whostmgr/bin/whostmgr2 --updatetweaksettings

How to Install RRDTOOL
Download the required packages and execute rpm to install it.
rpm -ivh rrdtool-1.2.23-1.el5.rf.x86_64.rpm rrdtool-devel-1.2.23-1.el5.rf.x86_64.rpm perl-rrdtool-1.2.23-1.el5.rf.x86_64.rpm

[ipcheck] Problem with DNS setup on

When your server hostname doesn’t resolve to IP address and you don’t want to add ‘A’ record in your dns, you will have to disable this script to stop sending these alerts.

ls -l /scripts/ipcheck

-rwxr-xr-x 1 root root 7428 Jun 28 18:47 /scripts/ipcheck

chmod  000 /scripts/ipcheck

Make it write protected, so its permission won’t change.

chattr +i /scripts/ipcheck

ls -l /scripts/ipcheck

———- 1 root root 7428 Jun 28 18:47 /scripts/ipcheck