Using Docker containers to test Perl installations on multiple Linux versions
Learn Go and Join the Fun
On Ubuntu 13.04 and 13.10, the Docker service can be easily installed with this command:
sudo apt-get install linux-image-extra-`uname -r`
Previous versions require a kernel patch [5]. After a reboot of the host, the client communicates with the functional Docker daemon (status: version 0.8.1) via a Linux socket belonging to root in /var/run/docker.sock
. Users can therefore choose between issuing all Docker commands as root or ditching all security concerns overboard and giving the whole world write permissions for the socket. In the long term, Docker will maybe want to design more acceptable ownership conditions, although this is, admittedly, not entirely trivial.
All told, Docker currently is probably one of the hottest projects on GitHub. As a pseudo-virtualization tool, it promises significant performance gains, at the same time decoupling components running in parallel and isolated from each other. If you want to join in the fun and contribute to the Docker project, however, you first need learn Go [7], the programming language in which Docker is written.
Infos
- "Linux Containers" by Eva-Katharina Kunst and Jürgen Quade, ADMIN, 2011, issue 06, p. 64
- Docker: http://docker.io
- "Docker" by Rob Knight, ADMIN, 2013, issue 16, p. 33
- "Perl: Vagrant Package" by Michael Schilli, Linux Magazine, June 2013, issue 151, p. 64, http://www.linux-magazine.com/Issues/2013/151/Perl-Vagrant-Package
- Installing Docker on Ubuntu: http://docs.docker.io/en/latest/installation/ubuntulinux/
- Listings for this article: ftp://ftp.linux-magazin.com/pub/listings/magazine/163
- "Go Programming Language" by Marcus Nutzinger and Rainer Poisel, Linux Magazine, July 2010, issue 116, p. 52
« Previous 1 2 3
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Red Hat Adds New Deployment Option for Enterprise Linux Platforms
Red Hat has re-imagined enterprise Linux for an AI future with Image Mode.
-
OSJH and LPI Release 2024 Open Source Pros Job Survey Results
See what open source professionals look for in a new role.
-
Proton 9.0-1 Released to Improve Gaming with Steam
The latest release of Proton 9 adds several improvements and fixes an issue that has been problematic for Linux users.
-
So Long Neofetch and Thanks for the Info
Today is a day that every Linux user who enjoys bragging about their system(s) will mourn, as Neofetch has come to an end.
-
Ubuntu 24.04 Comes with a “Flaw"
If you're thinking you might want to upgrade from your current Ubuntu release to the latest, there's something you might want to consider before doing so.
-
Canonical Releases Ubuntu 24.04
After a brief pause because of the XZ vulnerability, Ubuntu 24.04 is now available for install.
-
Linux Servers Targeted by Akira Ransomware
A group of bad actors who have already extorted $42 million have their sights set on the Linux platform.
-
TUXEDO Computers Unveils Linux Laptop Featuring AMD Ryzen CPU
This latest release is the first laptop to include the new CPU from Ryzen and Linux preinstalled.
-
XZ Gets the All-Clear
The back door xz vulnerability has been officially reverted for Fedora 40 and versions 38 and 39 were never affected.
-
Canonical Collaborates with Qualcomm on New Venture
This new joint effort is geared toward bringing Ubuntu and Ubuntu Core to Qualcomm-powered devices.