Linux

system_admin

• Tester des distributions en ligne !
  • https://distrotest.net
• LinuxLive USB Creator

Ubuntu, XUbuntu

• 8 of the best tiny Linux distros (posted on 2010-04-20)

http://www.slitaz.org/

http://www.xpud.org

The desktop has never been this easy – Get your favorite web browser with a simple web-based interface on top.

JeOS is the abbreviation (pronounced “juice”) for Just Enough Operating System as it applies to a software appliance. JeOS refers to a customized operating system that fits the needs of a particular application. It is not a generic, one-size-fits-all operating system so it only needs to include the pieces of an operating system (e.g., Linux) required to support a particular application and any other third-party components contained in the appliance.

Quelques implémentations: Just_enough_operating_system

http://damnsmalllinux.org

10 Panel / Dock applications for your Window Managers

Documentation sur l'environnement graphique extrêmement léger FluxBox. L'installation et la configuration sont au programme:

• Fluxbox Documentation en anglais,
• Fluxbox Documentation en français

Creating the Perfect Fluxbox Desktop on Linux

from LXDE project (Openbox, PCmanFM and LXPanel).

How to unfreeze after accidentally pressing Ctrl-S in a terminal?

Control Keys: perfrom special functions on Shell

• Ctrl-S : Pause Display
• Ctrl-Q : Restart Display
• Ctrl-C : Cancel Operation
• Ctrl-U : Cancel Line
• Ctrl-D : Signal End of File

• https://lesswatts.org

Avec la commande “taskset” on peut demander au système (au scheduler) assigner un processus sur une ou plusieures CPU.

Package “schedutils”.

Changer l'affinité pour un processus existant:

taskset -c 1 -p 13545
taskset -c 3,4 -p 13545

Ou lancer une commande:

# assigne l'exécution de la commande /bin/zgrep à la 1<sup>ère</sup> CPU:
taskset -c 0 /bin/zgrep

• noatime: Access timestamps are not updated when a file is read.
• nodiratime: Do not update directory inode access times on this filesystem.

$ /dev/sda7 /chroot ext2 defaults,noatime,nodiratime 1  2

• The atime and noatime attribute
• Changing EXT3 default to NOATIME/NODIRATIME

Installer des packages de différentes release (avec Apt-Pinning):

• Apt-Pinning for Beginners
• Ajuster la version candidate

Automatiquement suivre les mise à jour :

• APT::Periodic::* & apticron Keeping a System Up to Date