this post was submitted on 02 Nov 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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Both are useless toys for newbie sysadmins who think their job is sitting and looking at list of processes.
Nice gatekeeping.
Teach me how to know which process is hogging my memory or CPU, in less than 5 steps without htop?
Launch top? Quick glance, type 'q', then kill
Just type
kto kill.Lol, top. Try that to figure out the load on a 256 core DGX slurm setup with that shit. Top is barely usable on consumer hardware...
I mean, you do sometimes need to check out which processes are running to debug
Aren't
toporpgrepenough for that?If it looks better and does the same thing efficiently, I’ll take the thing that looks better.
You have a pre-installed tool and a tool that looks better but which you need to install. When you need it for a rare task, and you administer many machines, it is easier to use what you already have on each of them.
Do these programs not work over SSH?
Sorry, I don't understand what you are talking about. Yes, you can run them in SSH session. No, you still need to have them installed on the remote machine to do this. And installing diagnostic tools is not only time consuming, sometimes it can be even impossible if you already get in troubles (and if you did not, why would you need them?).
Hmm, that’s a fair argument. I’m pretty sure new server installations can just have their default program list modified though.
I use it to find a process quickly and send a SIGTERM. I'm probably a noob though.
Why not
top?pkill?killall? These tools are usually installed by default.Why not indeed.
It is, for them.