Today, July 25, has been designated as the SysAdmin Appreciation Day. If you can read this, thank your sysadmin. The holiday exists to show appreciation for the work of sysadmins / IT staff. It is celebrated on the last Friday in July. The first System Administrator Appreciation Day was celebrated on July 28, 2000.
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=> Happy SysAdmin Appreciation Day
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Book Review: Linux System Administration
| Category | List of Unix and Linux commands |
|---|---|
| File Management | cat |
| Firewall | Alpine Awall • CentOS 8 • OpenSUSE • RHEL 8 • Ubuntu 16.04 • Ubuntu 18.04 • Ubuntu 20.04 |
| Network Utilities | dig • host • ip • nmap |
| OpenVPN | CentOS 7 • CentOS 8 • Debian 10 • Debian 8/9 • Ubuntu 18.04 • Ubuntu 20.04 |
| Package Manager | apk • apt |
| Processes Management | bg • chroot • cron • disown • fg • jobs • killall • kill • pidof • pstree • pwdx • time |
| Searching | grep • whereis • which |
| User Information | groups • id • lastcomm • last • lid/libuser-lid • logname • members • users • whoami • who • w |
| WireGuard VPN | Alpine • CentOS 8 • Debian 10 • Firewall • Ubuntu 20.04 |
Typically users call sysadmin only to complain about issues. When an end-user or other-teams in the organization never calls a sysadmin or wondering why sysadmin doesn’t have lot of work to do, then you know that the sysadmin has done his job.
i.e The main reason everything is going smoothly is because the sysadmin has proactively worked on potential issues before it really becomes an issue and affect the end-user.
Happy Sysadmin day to all the sysadmins out there!
Ramesh
The Geek Stuff
Thanks and same to you buddy