Linux tricks, tutorials, hardware

Sometimes, when you plug in your earphones, the audio stop coming (from the earphones), but the notification sounds continue to come. You...

And when you start to think in modern times when Microsoft loves Linux and opensource; the question arises, is it really the truth? Does Mic...

This's a kernel bug which'll cause docker to hang and is triggered by you stopping a container (which possibly does not stop gracefu...

instead of cleaning your bash history, this script will remove problematic history entries, thus sanitize it. #! /bin/bash # Without argu...

If you're someone who rides at high RPM and have a vehicle which's capable of going to high RPMs (6000+) your engine oil might be su...

The crossdev executable is going to install a toolchain in your host machine for a foreign architecture as regular ebuilds. T...

This issue comes on LXC when you enable dbus so you can communicate to systemd; don't know why this triggers. You need to add the sys_...

The Easy method of Curb does not allow arbitrary request methods to be made. Instead of using Easy, you can use the Curl module. In curb...

Program takes a list of files and directories as a set of last arguments and outputs the paths of each of the files/directories which has be...

This happen on Debian. After an upgrade to lxc 2.0.x, lxc-console does not work well. Produces duplicate characters, cannot log in because o...

I compiled grep and libpcre, once with balanced and once with 1to1 (and of course with -lto=4 in both the cases), and the result was that gr...

Long back SSH had introduced an experimental 'roaming' feature where changes to the ssh client IP resulted in resuming the session o...

Phone is an unreliable device which can always be stolen and get bricked regardless of how expensive the phone is or how must reliable the m...

Spreadsheets are great! But only if you could use them to manage contacts, specially in your Android phone (or any standard compliant phone ...

EIP does not support IPv6, but you can still do it as long as you don't delete you VPC or make changes to your subnet. In the Interfac...

Sick of P2P traffic (like Bitcoin, torrents) hogging your Internet connection? This's the solution. It gives HTTP(S), SMPT, DNS, IM...

This's a Ruby Library (and an accompanying app) -- https://rubygems.org/gems/LinkGrouper Which group similar links/URLs (or find unique ...

The input file contains lines start with a number or anything else. When a start with a number, it only contains 2 numbers space separated. ...

I made this script to test block devices. First argument is the block device to test. #! /usr/bin/ruby # Will quit in case some corrupt b...

Bash relies highly on external commands which make it having a lot of overheads; it's the language of the command line, not a proper pro...

fail2ban + Nginx In this system fail2ban is supposed to parse nginx logs (customized) for 404 and 403 status codes and add...

Tired of this behaviour? No solution on the Internet? Mirroring progress slows down? Try switch -C0 or -C1. With -C0, you wont be able to ...

Veth devices where created -- ip link add name tstveth mtu 65535 type veth peer name tstveth0 mtu 65535 65535 is the highest MTU these d...

Open "about:config" in the URL bar. Search for "browser.tabs.remote.autostart" and set it to true , then restart. Th...

Unlike other benchmarks, both Apache and and Nginx have been tuned for best performance for the task they're doing (ser...