Can Linux deal with ultra high resolution displays?
A few months ago, Samsung announced the Ativ Book 9 Plus, a pretty cool ultrabook with a screen resolution of 3200 x 1800 pixels (QHD+).
linux
Adding a Column of values in a tab delimited file
How can I add a Column of values in a file which has a certain number of rows.
I have a input file like this:
What to use when the “ls” command doesn’t work?
I tried to use the ls command and got an error:
Difference between ! vs !! vs * in /etc/shadow
The second field in the Linux /etc/shadow file represents a password. However, what we have seen is that:
What is a spinlock in Linux?
I would like to know about Linux spinlocks in detail; could someone explain them to me?
Touchscreen and mouse as separate inputs?
Can someone give me a good reference on how to achieve this, or just tell me how its done? Google isn’t really helping me here, since it always tries to give me recommendations on touchpad :/
How to make a btrfs snapshot writable?
According to the btrfs Readonly snapshots patch it’s possible to “set a snapshot readonly/writable on the fly.” So I should be able to turn my readonly snapshot (created with btrfs snapshot -r) writable, somehow.
What can make passing init=/path/to/program to the kernel not start program as init?
I’m trying to debug an init script on a Linux system; I’m trying to pass init=/bin/sh to the kernel to make it start sh without starting init so I can run through the init sequence manually.
How to disable one CPU
I’m trying to disable some CPUs of my server.
I’ve found this link: https://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/linux-turn-on-off-cpu-core-commands/, which offers me a method as below:
What do the kernel parameters acpi_osi=linux and acpi_backlight=vendor do?
I had troubles with the screen brightness control in my laptop and I fixed it by adding the acpi_osi=linux and acpi_backlight=vendorparameters to the filegrub.cfg.
I’d like to know what these parameters mean and why they work.