How to migrate from CentOS 8 to AlmaLinux (conversion)nixCraft
I already wrote about migrating from CentOS 8 to CentOS Stream. I also have a guide about migrating from CentOS 8 to Rocky Linux. Today, I am working on another side project with my partner, and I...
View ArticleHow to migrate from CentOS 8 to AlmaLinux (conversion)nixCraft
I already wrote about migrating from CentOS 8 to CentOS Stream. I also have a guide about migrating from CentOS 8 to Rocky Linux. Today, I am working on another side project with my partner, and I...
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FreeBSD Applying Security Updates Using pkg/freebsd-updatenixCraft Updated...
{Updated} I am a new FreeBSD developer and user. I have root access to my VM running in AWS cloud. How do I update packages and apply security upgrades on FreeBSD? What is the procedure for applying...
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How to set up ssh public key password-less on FreeBSDnixCraft
SSH is an essential tool for login into the FreeBSD Unix box. Without SSH, you cannot manage a remote server easily. Furthermore, SSH means secure shell, and it is a replacement for insecure protocols...
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How to install and upgrade OpenSSH server on FreeBSDnixCraft
Another day I wrote about setting up ssh public key password-less authentication for FreeBSD server version 12/13 with an optional 2FA hardware USB key (FIDO 2) for additional protection. However,...
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How to install and upgrade OpenSSH server on FreeBSDnixCraft
Another day I wrote about setting up ssh public key password-less authentication for FreeBSD server version 12/13 with an optional 2FA hardware USB key (FIDO 2) for additional protection. However,...
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How to install whois on Ubuntu / Debian LinuxnixCraft
While working on the client's system, I found that the whois client was missing. So I used that in one of my deployment scripts. I should add that to cloud-init or Ansible, but the Ubuntu server was...
View ArticleHow to install YubiKey Manager GUI on LinuxnixCraft
One can use a hardware security key such as YubiKey for OTP or FIDO2 for additional security on Linux to protect disks, ssh keys, password manager, web applications and more. Since I am a full-time...
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Update your nixCraft RSS feednixCraft
Many of you access the nixCraft tutorial and blog post using the RSS feed. However, Google decided to kill the last part of Feedburner. Back in the old days, I and many others used FeedBurner. At some...
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How To Convert AWS Route53 to Cloudflare Let’s Encrypt DNS challenge with...
I already wrote about setting up wildcard Let’s Encrypt SSL/TLS with AWS Route53 DNS for Nginx or Apache. One of my clients decided to use Cloudflare CDN and DNS at some point. They changed their DNS...
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How to on enable kernel crash dump on Debian LinuxnixCraft
How do I enable kernel crash dump Debian Linux 9/10/11 using the command-line option? How can I view crash reports on Debian machine?Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp -...
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How to trim leading and trailing white space in bashnixCraft
So I have this specific use case where I get data in a comma-separated values (CSV) file. I pick up the company name, address, telephone, email, and some other data from that file. Once data is...
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How to find out if Raspberry PI Linux OS needs a rebootnixCraft
When you use the apt command to update the Raspberry Pi OS, no notification indicates whether you need to reboot the Raspberry Pi 3 or 4 for Linux kernel updates. So say you have a lab of 4 RPi4 and...
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How to install Chromium browser on Ubuntu LinuxnixCraft
Chromium is a free and open-source web browser project designed and maintained by Google. Google Chrome browser uses Chromium codebase and other proprietary components for additional features required...
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How to install aws cli on LinuxnixCraft
The AWS CLI is an essential tool for developers and sysadmin to automate and interact with AWS cloud services. It is an open-source tool built on the AWS SDL for Python. As a result, you no longer need...
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Debian 11 Set Up OpenVPN Server In 5 MinutesnixCraft
I am a new Debian Linux 11 server user. How do I set up an OpenVPN Server on Debian Linux version 11 server to shield my browsing activity from bad guys on public Wi-Fi, and more?Love this? sudo...
View ArticleHow to install and edit desktop files on Linux (Desktop entries)nixCraft
Linux comes with three commands for developers, sysadmins and users to set up a hierarchy of applications, typically displayed as a menu. In other words, these commands allow third-party software to...
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file_get_contents(): https:// wrapper is disabled in the server...
So while working on some custom code for this website, I noticed broken functionality. Initially, I thought Cloudflare blocked the origin server IP address. So I looked into the Cloudflare log and...
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How to find out what filesystems Linux kernel supportsnixCraft Updated...
{Updated} How do I find out what filesystems my Linux kernel supports using the command line option?The post How to find out what filesystems Linux kernel supports appeared first on nixCraft.
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How to install GIMP 2.10 on Ubuntu or Debian LinuxnixCraft
This quick tutorial explains how to download and install the latest GIMP application on Ubuntu or Debian Linux and friend using the CLI.Love this? sudo share_on: Twitter - Facebook - LinkedIn -...
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