What Linux command did you not appreciate until you started troubleshooting servers?

When learning Linux, I mostly focused on remembering commands and their syntax. After doing more troubleshooting, I realized some commands become really useful once you understand when to use them. What command did you initially overlook but now use regularly when troubleshooting a server? ss, journalctl, top, df, du, grep, lsof — or something... Weiterlesen