Here is how you can see what ports/packets a local process is doing: strace -e trace=network -f whmapi1 validate_current_dkims domain=example.com 2>&1 | grep -E “(connect|bind|socket)”
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
Looking at a MySQL error log showed some interesting new errors. Here is the log file: 2025-02-23T06:43:15.664775Z 0 [Warning] [MY-010140] [Server] Could not increase number
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.
Scenario You’re doing disaster recovery and you need to install an older version of WHM. The reason is you have legacy PHP 7.4 websites, that
On JetBackup 5 and WHM you have a big problem that suspended accounts are not backed up. Loads of errors every day in the log
WHM brings up this message: This message was created automatically by mail delivery software. A message that you sent could not be delivered to one
You have to use WHM. The default for PHP 8.1 for example is 32MB, move it to 64 MB and things will improve. WHM /
At times your Exim server might be overwhelmed: 2023-11-09 12:04:05 Connection from [188.234.244.30]:3802 refused: too many connections Your server is most likely under attack. Check
Synopsis On CentOS 7 you might get these warnings: # imapsync –dry –host1 x.y.z.a –user1 [email protected] –password1 ‘xxxxxx’ –nosslcheck –host2 b.c.d.f –user2 [email protected] –password2 ‘yyyyyy’
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