BBR (Bottleneck Bandwidth and RTT) congestion control algorizthm is a new congestion control algorithm which is contributed to the Linux kernel TCP stack by Google.

Rocket.Chat is one of the most feature-rich open-source Slack alternatives, featuring group chat, direct messaging, private rooms, desktop notifications, media embedding, link previews, file uploading, voice/video chat, screensharing, and more. There are native applications for Windows, Mac, and Linux, as…

How can I change the boot order in grub2? Here is a step by step guide, In a terminal type, # grep menuentry /boot/grub2/grub.cfg menuentry 'CentOS Linux (4.6.4-1.el7.elrepo.x86_64) 7 (Core) with debugging' --class rhel fedora --class gnu-linux --class gnu --class…

With the help of Linux hardware monitoring tool lm_sensor, we can get some hardware info from a running system. lm_sensor provides essential command line utilities to monitor hardware status of Linux.

We use pre-compiled binary files to install Go development environment on CentOS. This is very easy to follow, and all you need to do are, download the package, decompress it in a proper directory, and set system variables for Go. This guide…

Sometimes you might want to uninstall large packages on a running Linux system (e.g. in order to release disk space), since these kind of packages are normally not that useful. Here we show an example on how to list installed…

Is there any easy ways to batch rename files in Linux? A common requirement is that the web developers may ask you to help rename all *.html files to *.htm, how can we do that?

Redhat.com release another update of RHEL5 yesterday at 2010/03/30. This minor update releases typically provide feature enhancements, bugfixes and new hardware support. From the release notes:

I’m runing RHEL/CentOS for a group of database servers, and they mainly use MySQL for productive services. Recently I noticed that MySQL’s new feathers and bug fixes that comes from system updates make little sense to our needs, so I’m…