Top Things Linux Admin Forgot To Do

Tom adelstein has published a list of top 7 things you may forgot as a Linux admin:

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Out of the plethora of chores that we do each day, which ones make up the top seven activities of forgetful system administrators? To begin, you might ask yourselves if the answer is quantitative or qualitative. Let’s think about it for a minute.

You could look at the number of times you forget something. If you did that, you might get a list of things like forgetting to set your alarm clock or showing up to work with unmatched socks. We need something scarier, like forgetting to turn off remote access through a VPN to an employee that just left the company.
1. Forgetting to Delete a Former User’s Account
2. Forgetting to Regularly Search for Rootkits

Top 7 Things System Administrators Forget to Do

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CategoryList of Unix and Linux commands
File Managementcat
FirewallCentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNCentOS 8 Debian 10 Firewall Ubuntu 20.04

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