nixCraft Linux / UNIX Newsletter

How to upgrade Alpine Linux 3.15 to 3.16
How to Set Up WireGuard VPN on Amazon Linux 2
How To Save A File In Vim / Vi Without Root Permission With sudo
How to change hostname on Amazon Linux 2 without reboot

How to upgrade Alpine Linux 3.15 to 3.16

Posted: 24 May 2022 01:46 PM PDT

{Updated} Alpine Linux 3.16.0 has been released. Here is how to upgrade from version 3.15.xx to 3.16.0.
The post How to upgrade Alpine Linux 3.15 to 3.16 appeared first on nixCraft.

How to Set Up WireGuard VPN on Amazon Linux 2

Posted: 24 May 2022 10:48 AM PDT

WireGuard is an open-source, free, modern, and fast VPN with state-of-the-art cryptography. It is like OpenSSH in simplicity and uses private and public keys. Hence, it is more straightforward as compared to IPSec and OpenVPN. Initially released for the Linux kernel, it works with other operating systems. This page explains how to install and set up WireGuard VPN on Amazon Linux EC2 or Lightsail server.

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How To Save A File In Vim / Vi Without Root Permission With sudo

Posted: 23 May 2022 05:03 AM PDT

{Updated} Forgot to edit Linux or Unix/macOS file as sudo user? Want to overwrite without quitting vim on Linux/Unix? Try vim cmd trick and save time.
The post How To Save A File In Vim / Vi Without Root Permission With sudo appeared first on nixCraft.

How to change hostname on Amazon Linux 2 without reboot

Posted: 23 May 2022 04:48 AM PDT

Do you want to set or update the AWS EC2 or Lightsail hostname without a reboot when using Amazon Linux 2? Here is how to set or change the hostname on Amazon Linux 2 distribution using the ssh client.

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