How To Install libnss-mymachines on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libnss-mymachines
on Ubuntu 20.04.
What is libnss-mymachines
libnss-mymachines is:
nss-mymachines is a plugin for the GNU Name Service Switch (NSS) functionality of the GNU C Library (glibc) providing hostname resolution for local containers that are registered with systemd-machined.service(8). The container names are resolved to IP addresses of the specific container, ordered by their scope.
Installing this package automatically adds mymachines to /etc/nsswitch.conf.
Package: libnss-mymachines Architecture: amd64 Version: 245.4-4ubuntu3 Multi-Arch: same Priority: extra Section: admin Source: systemd Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian systemd Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 474 Depends: libc6 (>= 2.30), systemd-container (= 245.4-4ubuntu3) Filename: pool/main/s/systemd/libnss-mymachines_245.4-4ubuntu3_amd64.deb Size: 130748 MD5sum: e11faca94fe08b6a8ad157ba18438a8d SHA1: 6e4a3ffaccd18c87bbcbfb49ceffb64d4214a1ba SHA256: dc2c1ed122f3beb65834f670b29c4a8660ce0ba388c5fcde1c9cd6989b55a82e Homepage: https://www.freedesktop.org/wiki/Software/systemd Description-en: nss module to resolve hostnames for local container instances nss-mymachines is a plugin for the GNU Name Service Switch (NSS) functionality of the GNU C Library (glibc) providing hostname resolution for local containers that are registered with systemd-machined.service(8). The container names are resolved to IP addresses of the specific container, ordered by their scope.
Installing this package automatically adds mymachines to /etc/nsswitch.conf.
There are three methods to install libnss-mymachines
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install libnss-mymachines Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install libnss-mymachines
using apt-get
by running the following command:
sudo apt-get -y install libnss-mymachines
Install libnss-mymachines Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libnss-mymachines
using apt
by running the following command:
sudo apt -y install libnss-mymachines
Install libnss-mymachines Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install libnss-mymachines
using aptitude
by running the following command:
sudo aptitude -y install libnss-mymachines
How To Uninstall libnss-mymachines on Ubuntu 20.04
To uninstall only the libnss-mymachines
package we can use the following command:
sudo apt-get remove libnss-mymachines
Uninstall libnss-mymachines And Its Dependencies
To uninstall libnss-mymachines
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libnss-mymachines
Remove libnss-mymachines Configurations and Data
To remove libnss-mymachines
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libnss-mymachines
Remove libnss-mymachines configuration, data, and all of its dependencies
We can use the following command to remove libnss-mymachines
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnss-mymachines
References
Summary
In this tutorial we learn how to install libnss-mymachines
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.