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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After almost half a century, I'm still doing it... (lemmy.sdf.org)

submitted 4 days ago by ExtremeDullard@lemmy.sdf.org to c/linux@lemmy.ml

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So I'm working on a server from home.

I do a cat /sys/class/net/eth0/operstate and it says unknown despite the interface being obviously up, since I'm SSH'ing into the box.

I try to explicitely set the interface up to force the status to say up with ip link set eth0 up. No joy, still unknown.

Hmm... maybe I should bring it down and back up.

So I do ip link set eth0 down and... I drive 15 miles to work to do the corresponding ip link set eth0 up

50 years using Unix and I'm still doing this... 😥

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[–] InnerScientist@lemmy.world 41 points 4 days ago (1 children)

I have a failsafe service for one of my servers, it pings the router and if it hasn't reached it once for an entire hour then it will reboot the server.

This won't save me from all mistakes but it will prevent firewall, link state, routing and a few other issues when I'm not present.

[–] Cyber@feddit.uk 7 points 3 days ago

Until you block ICMP one day and then wonder why the server keeps rebooting...

(Been there. Done it)