cPanel Transfer Tool Hangs
The cPanel Transfer Tool is incredibly powerful, but at times and given the wrong servers/bandwidth, it might hang. Use top to look for rsync processes.
Control Panels
Apache on WHM/cPanel randomly stops working – intermittently – possible PHP-FPM issue
Symtoms Randomly, perhaps once or twice a month, Apache completely stops serving sites. No obvious errors, except web sites aren’t loading anymore. From HTTP monitoring
After a Virtualmin IP address migration, the server has the old IP as NAT
When you change the IP address on a Virtualmin server, the server will detect the IP address has changed and prompt to update all the
How to get chroot jailkit working in Virtualmin
Recipe: apt-get install webmin-jailkit Once it is installed you will find a new section in Webmin -> System -> Jailkit Jail Manager Then go to
How to downgrade a Virtualmin Pro license back to GPL
Here is the command: virtualmin downgrade-license –perform
Virtualmin doesn’t upgrade: How to fix invalid signature Virtualmin apt packages
Whilst updating Virtualmin, you might get this error: Err:6 https://software.virtualmin.com/vm/6/gpl/apt virtualmin-focal InRelease The following signatures were invalid: EXPKEYSIG D9F9010760D62A6B Virtualmin, Inc. (Package signing key for
cPanel & WHM update failure in upcp script – The following events were logged: “scripts/update-packages”.
Background If you have many cPanel servers you’ll find from time to time they don’t update. This is unfortunately a more common problem than usual.
Override cPanel & WHM requires a minimum of 2048 MB of available RAM
Whilst trying to install DNS Only, you run into this annoying RAM warning: 2024-10-09 05:51:15 370 [5358] ( INFO): Checking RAM now… 2024-10-09 05:51:15 375
Where are the Virtualmin install scripts located?
Have a look at: /etc/webmin/virtual-server/latest-scripts For example, you’ll find this: phpmyadmin.pl wordpress.pl
CPU spikes on a Virtualmin server caused by `collectioninfo.pl` – causes and remedies
Background On a small Virtualmin server without many domains you won’t noticeably see CPU spikes every 5 minutes. But the larger your servers gets, and