How to use top and see one process only
12 June 2025
10:13 am
Use this command: top -p $(pgrep -d’,’ rsync)
Knowledgebase
cPanel Transfer Tool Hangs
10 June 2025
1:22 am
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.
How to use strace to trace network requests from an internal process on your network
6 June 2025
3:31 am
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)”
How to see historical root logins to a server
1 June 2025
2:49 pm
Command: last -F | grep root journalctl _COMM=sshd | grep root
Amazonbot and Bingbot excessively crawls websites, query parameters, and shop filters
1 June 2025
12:31 pm
Symptoms At times websites might appears super busy, with 10s of gigs of bandwidth usage per month, but it doesn’t make sense. After viewing the
How to configure a Firewall for WHM/cPanel to say block port 25 spammers
14 June 2025
Description Using a firewall with WHM/cPanel can be confusing and complicated as WHM doesn’t ship with a firewall by default. The two mainstream Linux distributions,
How to maintain SSH terminal sessions using screen on an unreliable link
13 June 2025
Background Broken SSH sessions can be a pain in the butt because it disrupts your workflow. Broken SSH sessions may be a result of: An
How to monitor an Exim queue on a WHM server using SNMP and PRTG
12 June 2025
This technique uses an HTTPS connection and PRTG’s integer type to keep track of the queue size. You have to pick a “static” site on
How to use top and see one process only
12 June 2025
Use this command: top -p $(pgrep -d’,’ rsync)
How to do UDP Ping with Linux
11 June 2025
Background UDP Ping is really useful especially to see if SNMP is running. The syntax for UDP checking commands is a bit obscure so we’ve