How do I kill all a user’s processes using their UID
I want to kill all running processes of a particular user from either a shell script or native code on a Linux system.
linux
How can I create a swap file?
I know how to create and use a swap partition but can I also use a file instead?
How to determine the maximum number to pass to make -j option?
I want to compile as fast as possible. Go figure. And would like to automate the choice of the number following the -j option. How can I programmatically choose that value, e.g. in a shell script?
Daemonize a process in shell?
http://linuxg.net/how-to-transform-a-process-into-a-daemon-in-linux-unix/ gives an example of daemonizing a process in bash:
How can I reserve a block of memory from the Linux kernel?
I have a device that needs a block of memory that is reserved solely for it, without the OS intervening. Is there any way to tell BIOS or the OS that a block of memory is reserved, and it must not use it?
Why does Linux show both more and less memory than I physically have installed?
I know about swap – this question isn’t about that. In dmesg, the Linux (x86-64) kernel tells me this about how much memory I have:
Unmount a rbind mount without affecting the original mount
Asked on serverfault but didn’t get enough attention, so reposted here, with the hope some people here know the answer.
Integration of afuse user-level automounter with sshfs as a systemd service spawned from login for local users
Edit 2020: I’ve been using the systemd-answer posted below for several years now, and am quite happy with it.
How to remove LUKS encryption?
I tried removing LUKS encryption on my home directory using the following command:
ssh_exchange_identification: Connection closed by remote host (not using hosts.deny)
I’m not using hosts.allow or hosts.deny, furthermore SSH works from my windows-machine (same laptop, different hard drive) but not my Linux machine.