OpenSSH is most prominent implementation of the SSH protocol. I can’t imagine my life without OpenSSH. Almost all of my devices / server / network equipment such as routers and tiny embedded device has OpenSSH these days.
From OpenBSD journal:
ADVERTISEMENTS
Eight years ago today, Sept 26 1999, Theo de Raadt committed the initial source code for OpenSSH to the OpenBSD repository. The code was a fork of Björn Grönvall’s OSSH, which was derived from an early version of the increasingly “less free” ssh from Tatu Ylönen.
🐧 Get the latest tutorials on SysAdmin, Linux/Unix, Open Source & DevOps topics via:
- RSS feed or Weekly email newsletter
- Share to Twitter • Facebook • 0 comments... add one ↓
READ NEXT
Linux debugfs Hack: Undelete Files
Getting Yesterdays or Tomorrows Day With Bash Shell Date Command
How to: Prevent a fork bomb by limiting user process
Top 20 OpenSSH Server Best Security Practices
40 Linux Server Hardening Security Tips [2019 edition]
30 Linux System Monitoring Tools Every SysAdmin Should Know
Howto: Add a new yum repository to install software under CentOS / Redhat Linux
| Category | List of Unix and Linux commands |
|---|---|
| File Management | cat |
| Firewall | 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 | CentOS 8 • Debian 10 • Firewall • Ubuntu 20.04 |