Recently updated/posted Linux and UNIX FAQ (mostly useful to new Linux/UNIX administrators or users) :
- Backup CentOS Linux RPM database
- Squid Proxy Sever View logs / log files
- Linux / UNIX: Cannot Preserve Ownership Error when Files are Moved or Copied
- Troubleshoot Linux / UNIX bind dns server zone problems with named-checkzone tool
- How do I enable laptop mode to improve Linux laptop battery life?
- Can’t re-open pipe to command substitution (fd 4): No child processes error and solution
- Suse Linux install vmware tools
- UNIX / Linux: copy master boot record (MBR)
- OpenBSD set up default boot time by modifying boot.conf file
- Linux change the directory for kdump to put its vmcore files
- Redhat / CentOS / Fedora Linux Open Port
- Disable SELinux for only Apache / httpd in Linux
Enjoy!
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| 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 |