How to install dig, host and nslookup commands on your system
If dig, host, or nslookup is missing on your Linux machine, you may have used a minimal installation on CentOS 6 or RHEL 6, or selected no packages during installation.
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4 articles on this topic
Linux last Command – List Users Who Logged In
When you need to check login details, what comes to mind first? Many would look in /var/log/secure because it stores login history, but that can be cumbersome…
Using the man command
The previous article covered whatis and --help. This article explains how to read command manuals with man and search related entries with man -k or apropos.
Some help, please!
Some people may think help tools are unimportant, but I find them essential when I do not know what a command does, how to use it, or which parameters a file accepts.