How to Update Firmware on Ubuntu using fwupd
Fwupd is a daemon to help to manage the installation of firmware on Linux. Fwupd is configured by default to download firmware from the Linux Vendor Firmware Service (LVFS). LVFS is …
How to Test SSD/HDD Health in Linux
SMART (Self-Monitoring, Analysis, and Reporting Technology) is a feature enabled in all modern hard disk drives and SSDs to monitor/test reliability. It checks different drive attributes to detect the possibility …
How to Check Disk SSD or HDD in Linux
There are different types of disk drives available among which most used are Hard drive (HDD) and Solid State Drive (SSD). Starting from the Kernel version 2.6.29, SSD is automatically …
How to enable LUKS disk encryption with keyfile on Linux
We can easily add a key file to LUKS disk encryption on Linux when running the cryptsetup command. A key file is used as the passphrase to unlock an encrypted …
How to Check CPU is 64/32 Bit in Linux System
As a system administrator and IT professional, it is very important to know whether the system’s CPU architecture is 32 bit or 64 bit. When it comes to third-party applications …
Raspberry Pi Pico released and available at $4 only
Last year, the Raspberry Foundation also released a brand new version of the Raspberry PI PC (personal computer), and it is directly built into a small-sized keyboard. Now there is …
duf – Disk Usage/Free Utility for Linux, BSD, macOS & Windows
We use the df command to show how much disk space is free on mounted file systems in Linux, macOS, and Unix-like systems. We also have the du command to …
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 …
Significant vulnerabilities that crippled IT world this decade (2010-2020)
The last ten years in the computer and IT security world are crippled with so many vulnerabilities. We saw massive cloud computing adoption and end-users using mobile devices with high …
How to write FreeBSD image to USB disk for installation using dd command
FreeBSD is an open-source and free Unix-like operating system descended from the Berkeley Software Distribution (BSD). This quick tutorial explains how to download and prepare the USB stick/pen drive to …