this post was submitted on 20 Oct 2023
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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You bring some valid points up. Considering the low number of servers and clients I might need to reach, a sync certainly isn't critical. I sought it out because I started distro-hopping when I built my first dedicated Linux PC recently and was annoyed having to set up the password-less logon to the servers I use. Now that I've settled, it's not a concern anymore. And if I do want to try another down the road, I can make sure to back up the config files and import them in the new OS.
I actually lied. I said that OpenSSH doesn't have a "bookmarking" feature. OpenSSH does have a "bookmarking" feature -- the Host entries in ~/.ssh/config, with a Hostname field.
I haven't used that feature much, since normally, I'd rather add a short hostname to /etc/hosts, and then all software on the system can use that short hostname, not just OpenSSH.
The last time I used it was to set up a tunnel that bounced through multiple machines running ssh servers with a single command, over a decade ago, which is something else it can do.
But it is there.
How dare you!
In all seriousness that's good to know. Gives me options to pick from. Thanks!