How to change the length of time-slices used by the Linux CPU scheduler?
Is it possible to increase the length of time-slices, which the Linux CPU scheduler allows a process to run for? How could I do this?
linux-kernel
How to tell Linux Kernel > 3.0 to completely ignore a failing disk?
I have a Samsung laptop (Chronos s7) with one SATA hard disk on bus ata:1, which is detected as /dev/sda, an 8G SSD on ata:2, /dev/sdb, and various other devices on the rest of SATA interface.
How to enable and use the BFQ scheduler?
I just installed Linux kernel version 4.12 on Ubuntu 17.04 using ukuu (Ubuntu Kernel Update Utility https://doc.ubuntu-fr.org/ubuntu_kernel_upgrade_utility).
mount options shown in /proc/mounts
IIRC then the mount options shown in /proc/mounts have changed. Some time ago acl and user_xattr were shown, now it seems that only noacl and nouser_xattr are shown if these features are turned off.
How to script make menuconfig to automate Linux kernel build configuration?
I want to automate a Linux build but eventually get to a point where I need to run what seems to be a very manual step: make menuconfig. This seems to synchronize configs between the OS and kernel configs?
change /proc/PID/environ after process start
$ k=v p & [1] 3028 is there any way for p to change the contents of /proc/3028/environ to not mention k=v while p is still running? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them … Read more
Are threads implemented as processes on Linux?
I’m going through this book, Advanced Linux Programming by Mark Mitchell, Jeffrey Oldham, and Alex Samuel. It’s from 2001, so a bit old. But I find it quite good anyhow.
ACPI wakeup 4-letters code meaning?
I have to disable some event to avoid an immediate wakeup after suspend in my desktop machine, and I made it by trial and error (works well, so that is not a problem). But I wonder… for example in my laptop I have a long list in /proc/acpi/wakeup:
Is it possible to install the Linux kernel alone?
I’m just curious if it’s possible to install the Linux kernel alone, or if you need to use one of the flavours. If it were possible, how would you do it? I don’t need a detailed tutorial. I just want to know how it would be done conceptually. I’m not good with low-level stuff, and want to know how you get an OS into the computer. I imagine it has something to do with the MBR.
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: