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À partir d’avant-hiernixCraft

How to install vim in Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

Learn how to install Vim, the most popular text editor for server-based environments, on Alpine Linux using the command "apk add vim" command and Docker or LXD (Linux container) image.

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The post How to install vim in Alpine Linux appeared first on nixCraft.

How to reboot Alpine Linux using Ansible when kernel is updated

Par : Vivek Gite
See all Alpine Linux related FAQ

You can use the reboot or shutdown -r now to reboot the Linux system. However, this doesn't scale well if you have many Alpine Linux servers (or clusters based upon Alpine Linux) and need to reboot the server only if a new Linux kernel is installed. Let us see how to use the Ansible IT automation tool to reboot the Alpine Linux VM or server only when a new Linux kernel is installed.

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The post How to reboot Alpine Linux using Ansible when kernel is updated appeared first on nixCraft.

How to restart network service in Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

You need to restart the network service in Alpine Linux using "/etc/init.d/networking restart" command to activate the network configuration defined in the /etc/network/interfaces config file. Do not run this command over an ssh-based session.

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The post How to restart network service in Alpine Linux appeared first on nixCraft.

Alpine Linux fatal error: ncurses.h: No such file or directory fix

Par : Vivek Gite
See all Alpine Linux related FAQ

When I try to compile a program on Alpine Linux, it fails with the following error:
app.c:1:10: fatal error: ncurses.h: No such file or directory
1 | #include <ncurses.h>
| ^~~~~~~~~~~
compilation terminated.

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The post Alpine Linux fatal error: ncurses.h: No such file or directory fix appeared first on nixCraft.

How to install git command on Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

Git is a distributed version control system. To install git, type apk add git command on Alpine Linux.

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The post How to install git command on Alpine Linux appeared first on nixCraft.

How to see Raspberry Pi OS version on Raspberry PI

Par : Vivek Gite
See all Raspberry Pi releated tutorials

Do you want to know which version of Raspberry Pi OS is running on your hardware? Here is how to find the Raspberry Pi OS version including hardware details such as CPU, RAM and model using the command-line option.

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The post How to see Raspberry Pi OS version on Raspberry PI appeared first on nixCraft.

How to find out if Raspberry PI Linux OS needs a reboot

Par : Vivek Gite
See all GNU/Linux related FAQ

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 managing updates using ansible, then you need an automated way to find out if a reboot is required to load a new Linux kernel on your Raspberry Pi OS.

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The post How to find out if Raspberry PI Linux OS needs a reboot appeared first on nixCraft.

How to install OpenSSH server on Alpine Linux (including Docker)

Par : Vivek Gite
See all Alpine Linux related FAQ

This quick tutorial explains how to install and set up OpenSSH (SSHD) server and client on the Alpine Linux system. Further, you will learn how to build a Docker Linux container running sshd server based upon Alpine Linux image too.

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The post How to install OpenSSH server on Alpine Linux (including Docker) appeared first on nixCraft.

How to see what packages updates available on Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

On Debian or Ubuntu Linux, one can run 'apt list --upgradable' command to see and list available package updates. On RHEL, we can use 'dnf check-update' to list available updates on screen. However, the apk command does not have an option to show and list available security software updates. But fear not. Some other tricks can list, and you can see what packages updates are available on Alpine Linux using the apk command.

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The post How to see what packages updates available on Alpine Linux appeared first on nixCraft.

How to configure static IP address on Alpine Linux

Par : Vivek Gite
See all Linux/UNIX networking related FAQ

At home or in a cloud environment, IP addresses are assigned dynamically by the DHCP server. Setting a static IP address on your Alpine Linux server is required for various reasons. For instance, Alpine Linux is configured as a DHCP server or KVM server to host multiple VMs. Static IP address makes it easy to work with port forwarding, firewalling, and HTTPS server too. This quick tutorial will explain how to set up a static IP address on Alpine Linux.

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The post How to configure static IP address on Alpine Linux appeared first on nixCraft.

How To View CPU Temperature On Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

Alpine Linux comes with a monitoring sensors package called lm-sensors. It is an easy-to-use and open-source application for monitoring CPU temperatures, voltage, and fans. This page explains how to install, configure, and use lm-sensors on Alpine Linux to view CPU temperature and other data on your Alpine Linux-powered laptop or server.

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The post How To View CPU Temperature On Alpine Linux appeared first on nixCraft.

How to install vnstat on Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

VnStat is a free and open-source app for servers and routers. It is a console-based network traffic monitor. It keeps a log of the 5-minute interval, hourly, daily, monthly, and yearly network traffic for the selected interface(s). Let us see how to install vnStat on the Alpine Linux server to keep a tab on bandwidth usage.

The post How to install vnstat on Alpine Linux appeared first on nixCraft.

How to install curl on Alpine Linux

Par : Vivek Gite
See all Alpine Linux related FAQ

Curl is URL retrieval (download/upload) command-line utility and library. It is free software for Alpine Linux. This page explains how to search and install curl on Alpine Linux using the apk command.

The post How to install curl on Alpine Linux appeared first on nixCraft.

Heads up: Microsoft repo secretly installed on all Raspberry Pi’s Linux OS

Par : Vivek Gite

Raspberry Pi is a little useful computer for learning programming and building projects. It comes with Debian Linux based modified operating system called Raspbian. It is the most wildly installed OS on RPi. In a recent update, the Raspberry Pi Foundation installed a Microsoft apt repository on all machines running Raspberry Pi OS without the person's or admin's knowledge. Every time a Raspbian device is updated by having this repo, it will ping a Microsoft server. Microsoft telemetry has a bad reputation in the Linux community. Let us see why and how this matters to Linux users.

The post Heads up: Microsoft repo secretly installed on all Raspberry Pi’s Linux OS appeared first on nixCraft.

Raspberry Pi Pico released and available at $4 only

Par : Vivek Gite

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 more good news for hackers and hardware developers. They just announced their first microcontroller-based product named Raspberry Pi Pico. This small device is priced at only US $4. Unbelievable price. Let us find out about Raspberry Pi Pico hardware specs and software support.

The post Raspberry Pi Pico released and available at $4 only appeared first on nixCraft.

Raspberry Pi 400 Desktop PC: Complete specs and pricing

Par : Vivek Gite

Raspberry Pi 400 Desktop PC
The Raspberry Foundation released a brand new version of the Raspberry PI PC (personal computer), and it is directly built into a small-sized keyboard. The Raspberry Pi 4 model was released in June 2019, and the 8GiB version recently. Let us see Raspberry Pi 400 technical specification and other details.

The post Raspberry Pi 400 Desktop PC: Complete specs and pricing appeared first on nixCraft.

Alpine Linux set up WireGuard VPN server

Par : Vivek Gite

How do I install and set up WireGuard VPN server on an Alpine Linux cloud server? How can I configure Alpine Linux as the WireGuard VPN server? How can I configure snat to route all VPN traffic on my Alpine Linux?

The post Alpine Linux set up WireGuard VPN server appeared first on nixCraft.

How To Set Up a Firewall with Awall on Alpine Linux

Par : Vivek Gite

Alpine Wall (Awall) is an easy to use interface to iptables for Alpine Linux users. While iptables and ip6tables is an excellent command, it can be challenging for new Alpine Linux users. The awall tool has easy to follow high-level concepts such as zones, limits, policies, and a single source for both IPv4 and IPv6. This tutorial will show you how to set up a firewall with Awall on Alpine Linux.

The post How To Set Up a Firewall with Awall on Alpine Linux appeared first on nixCraft.

Alpine Linux Change Hostname (computer name)

Par : Vivek Gite

I am a new Alpine Linux user. By default, my server name is set to 'localhost' during installation. Now, I would like to change the computer name. How do I change the Alpine Linux computer name? Can you tell me more about Alpine Linux change hostname command?

The post Alpine Linux Change Hostname (computer name) appeared first on nixCraft.

8GB Raspberry Pi 4 released for $75 – Specifications

Par : Vivek Gite

8GB Raspberry Pi 4 released for USD 75
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 long-rumored 8GB Raspberry Pi 4 released and priced at the just US $75. Here are the complete specs for an updated 64-bit credit card size Raspberry PI 4 8GB model with Linux desktop computer level of performance.

The post 8GB Raspberry Pi 4 released for $75 – Specifications appeared first on nixCraft.

Raspberry PI 4 Released – Complete specs and pricing

Par : Vivek Gite

A new version of the Raspberry PI 4 model has been released, and it is incredible update over the older model. A few years ago, I got Raspberry Pi 3 . It was my first 64-bit ARM board. It came with a 64-bit CPU. Here are the complete specs for an updated 64-bit credit card size Raspberry PI 4 desktop computer level of performance.

The post Raspberry PI 4 Released – Complete specs and pricing appeared first on nixCraft.

How to install htop on Alpine Linux using apk

Par : Vivek Gite

I am a new user of Alpine Linux. How do I install htop on Alpine Linux using the apk command?

The post How to install htop on Alpine Linux using apk appeared first on nixCraft.

Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS

Par : Vivek Gite

I installed OpenVPN VPN solutions on Ubuntu for my businesses to secure all data communications. I also set up Pin-hole ad blocker on Ubuntu server along with OpenVPN. How do I force Pi-hole to use Cloudflare DNS over HTTPS (DoH) to increase my privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks?

The post Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS appeared first on nixCraft.

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