Critical bug in sudo puts Linux and Unix systems at risk
Any logged-in unprivileged user can abuse an old bug in sudo to gain root privileges. It was rated as an important security issue for Linux and Unix-like operating systems. The …
How to unlock LUKS using Dropbear SSH keys remotely in Linux
On Linux, we encrypt our partitions and entire disk using Linux Unified Key Setup-on-disk-format (LUKS) for security and privacy reasons. We unlock LUKS protected disk by providing a passphrase at …
How to change LUKS disk encryption passphrase in Linux
We use encryption to protect mobile devices. For instance, I always use LUKS disk encryption to protect all files stored on my SSD. Dm-crypt (Cryptsetup and LUKS) open-source disk encryption …
GNU/Bash 5.1 released with the random ${SRANDOM} number engine
Current GNU/Bash maintainer Chet Ramey announced the latest major release, Bash 5.1, on December 7th, 2020. Bash is the default shell on many Linux distros and popular among developers, especially …
Linux set up bluetooth speaker to stream audio from your Android / iOS mobile phone
So how do you stream audio from your Apple iOS or Google Android phone to your laptop speaker? Let us see how to set up a Bluetooth speaker to stream …
How to backup and restore LUKS header on Linux
Previously I explained how to encrypt Linux partitions or disk with the LUKS (Linux Unified Key Setup)/dm-crypt. In this quick blog post, I will explain how to backup and restore …
bashtop – Awesome Linux resource monitor that shows usage and stats for processor, memory, disks, and network
There is a new kid in town for resource monitoring on Linux called bashtop. As the name suggests, the entire tool coded in the bash script itself that displays usage …
10 Linux commands to know the system
Here are 10 Linux command to know the system and increase your productivity quickly. ADVERTISEMENTS 10 Linux commands to know the system Open the terminal application and then start typing …
8GB Raspberry Pi 4 released for $75 – Specifications
Back in June 2019, the Raspberry PI 4 model was released, and it was an incredible update over the older model with up to 4GB ram. Today we see the …