Using Linux

How to access a Linux machine from outside UiO.

With EasyBuild, you can build the software you need yourself.

How to use your Linux laptop away from Campus for extended periods.

This text describes how to access ESS storage on hypatia from Linux and Mac, or private/external machines.

Ubuntu 20.04 "focal fossa" når end-of-life i mai 2025, og må oppgraderes denne våren. For de fleste er det like greit å gå rett til Ubuntu 24.04 "noble numbat" når man først er i gang.

Det er ikke helt trivielt å oppgradere Ubuntu ved UiO. Her prøver jeg å sammenfatte erfaringene til en fungerende oppskrift. Det er likevel ingen garanti for at alt her vil fungere etter hensikten! Husk backup!

Fokus er på "focal" (Ubuntu 20.04) som skal oppgraderes til "noble" (Ubuntu 24.04). Kan sikkert også fungere med andre releases, med noen tilpasninger.

Ubuntu 26.04 LTS "resolute raccoon" er nå også tilgjengelig for installering, men man kan ikke oppgradere til denne ennå (dvs., det er ikke støttet før neste "point release")

This article describes how to manage permissions to your files and directories in Unix/Linux.

Windows and Mac users will also have to deal with this, as the file areas are usually shared to Windows, Mac, and Linux machines.

Basic familiarity with Linux is assumed, like how to log on and run simple commands like ls, mkdir, etc.

How to run your programs efficiently, without overloading the system.

This page describes some handy ways to use ssh - the secure shell.

A presentation based on this document can be found here.

A few tips for how to use the Unix shell. This article assumes a working knowledge of Unix – you know how to log in and run commands.

This is not a complete guide to shell use and shell scripting, but just a bit to wet your appetite (see further reading at end). Also, it provides some answers to common problems that beginners (and more experienced users) face.