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How to change LUKS disk encryption passphrase in LinuxnixCraft
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 is...
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How to write FreeBSD image to USB disk for installation using dd commandnixCraft
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...
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How do I apply package updates to my Ubuntu system?nixCraft Updated...
{Updated} Ubuntu Linux provides simple but easy to use GUI and CLI tools to apply package updates to your operating systems. Before installing an update, ensure all previously-released errata relevant...
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Top 6 awesome text editors for Linux and Unix command-line...
A text editor is an essential tool for both developers and sysadmin, especially when dealing with text based sessions. We use a text editor to create, edit, and update text. A text editor is used for...
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How to rollback an apt-get upgrade if something goes wrong on Debian / Ubuntu...
{Updated} Rolling back to the previous version may solve the problem or free the disk space. Both CentOS/RHEL support rollback feature, but I learned hard way both Debian and Ubuntu does not support...
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Significant vulnerabilities that crippled IT world this decade...
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 speed 4G LTE...
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Significant vulnerabilities that crippled IT world this decade...
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 speed 4G LTE...
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How To Add, Delete, and Grant Sudo Privileges to Users on a FreeBSD...
{Updated} I am setting up a new FreeBSD server. I do not want to use a default root user who has full system access. How can I setup and grant sudo privileges to users on a FreeBSD VPS or server? How...
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FreeBSD find CPU (processor) temperature commandnixCraft Updated Tutorials/Posts
{Updated} I am a new FreeBSD Unix user. How do I get the temperature of an Intel or AMD processor (CPU) in FreeBSD using command line option? Is there a command line option for determining CPU...
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FreeBSD find CPU (processor) temperature commandnixCraft Updated Tutorials/Posts
{Updated} I am a new FreeBSD Unix user. How do I get the temperature of an Intel or AMD processor (CPU) in FreeBSD using command line option? Is there a command line option for determining CPU...
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How to unlock LUKS using Dropbear SSH keys remotely in LinuxnixCraft
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 boot...
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tuptime - Linux See Historical and Statistical Uptime of SystemnixCraft...
{Updated} Tuptime is a tool for report the historical and statistical real time of the system, keeping it between restarts. Like uptime command but with more interesting output. It works on both Linux...
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How to set up FreeBSD 12 VNET jail with ZFSnixCraft
How do I install, set up and configure a FreeBSD 12 jail with VNET on ZFS? How can I create FreeBSD 12 VNET jail with /etc/jail.conf to run OpenVPN, Apache, Wireguard and other Internet-facing services...
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How to set up FreeBSD 12 VNET jail with ZFSnixCraft
How do I install, set up and configure a FreeBSD 12 jail with VNET on ZFS? How can I create FreeBSD 12 VNET jail with /etc/jail.conf to run OpenVPN, Apache, Wireguard and other Internet-facing services...
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How to upgrade Alpine Linux 3.12 to 3.13nixCraft Updated Tutorials/Posts
{Updated} Alpine Linux version 3.13 has been released. Here is how to upgrade Alpine Linux from 3.11/3.12 to the latest stable version, 3.13 using CLI.The post How to upgrade Alpine Linux 3.12 to 3.13...
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OpenSUSE install Brotli module for NginxnixCraft
How do I install or add Brotli compression support to Nginx on OpenSUSE Linux to speed up my webpages and apps?Related TutorialsFreeBSD: (EE) Failed to load module "fbdev" (module…nginx: Install GeoIP...
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How to find if a website using gzip / deflate compression using curl on Linux...
{Updated} How do I verify gzip/ deflate compression support using curl on Linux, macOS and Unix-like systems for remote webserver?The post How to find if a website using gzip / deflate compression...
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How to find if a website using gzip / deflate compression using curl on Linux...
{Updated} How do I verify gzip/ deflate compression support using curl on Linux, macOS and Unix-like systems for remote webserver?The post How to find if a website using gzip / deflate compression...
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duf – Disk Usage/Free Utility for Linux, BSD, macOS & WindowsnixCraft
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 estimate file space usage. We now have another...
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How to Check and print PHP version installed On Linux / Unix ServernixCraft...
{Updated} How do I find out PHP version under Linux operating systems? What command do I need to type to show the PHP version under Unix-like systems?The post How to Check and print PHP version...
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