manpages.ubuntu.com

run-one is a wrapper script that won't run the given command while another instance of it is running...

Add the following to /etc/rc.local: (sleep 3 && echo disable > /proc/acpi/ibm/bluetooth)& Bluetooth icon will be active for a few seconds, then...

To create a 10 GB file: fallocate -l 10G huge_file.dat

You can use three different versions of the regular expression syntax in grep: basic: -G extended: -E(POSIX)

This method will remove automatically installed packages that no other packages depend on any more. This, of course...

If your external displays not switching on or showing a weird behavior (for e.g. all displays getting the same configuration...

When giving a presentation with a projector it is sometimes better to use a dual screen layout instead of a...

I've encountered a Ubuntu 16.04 today, where localhost resolved to ::1 instead of 127.0.0.1. This will not usually make...

A few releases back, Chrome started using a Material Design UI on desktop. If you don't like it (on...

On OSX (real or inside Browserstack), you need different keystrokes for your favorite special characters than you'd use on...

By convention, common protocols use a defined port, like 80 for HTTP or 443 for HTTPS. You can use nmap...

So you downloaded a theme for Chrome a while ago and don't remember which one it is?

I had an issue with icons from an icon font aligning differently on Linux, iOS and Windows (seemingly browser-independent...

Processes in Linux might be put into Swap ("virtual memory") occasionally. Even parts of a single process might be removed...

Many of our developers love to use the "awesome" window manager on Linux. However, RubyMine dialogs occasionally defocus while typing...

workaround.org

You will need to look here and find your own device. Look for the "bootable CD" download, which will give...

Instead of using this hack you might want to use MariaDB 10.x which can work with both old and...

makandra Operations
brendangregg.com

Brendan Gregg is the Linux performance god. Use the information in this link to find out what ways there are...

reddit.com

Chrome has discontinued support for 32-Bit Linux builds and this might break your apt-get update.

If you are on a Linux shell and want to open a file with whatever default application is configured for...

The following sums up all connections (ESTABLISHED, TIME_WAIT, FIN_WAIT, etc.) and sorts it: netstat -n | awk ' $5 ~ /^[0...

techblog.netflix.com

You login to a Linux server with a performance issue: what do you check in the first minute? uptime

The nokogiri gem provides different packages for several platforms. Each platform-specific variant ships pre-built binaries of libxml2, e.g...

When you make a simple TCP connection to a remote server (like telnet), your client won't normally notice when...