operating systems
Réduire la taille des images virtuelles est nécessaire pour deux raisons: Un gain d’espace et de temps de transfert. Lors de l’industrialisation de serveurs virtuels, j’utilise des masters de machines virtuelles pour une plus rapide mise en production. Ces masters sont issus de machines virtuelles configurées et représentes une image figée d’un système exploitation (Linux … Read moreRéduire la taille réelle d’une VM
As you know with virsh (or virt-manager), it’s not possible create snapshot with LVM in RAW format but just QCOW2 format. So why not use LVM snapshot directly cause it can do it well and then create an other hard-drive in your VM guest linked to the LVM snapshot. Begin to stop your virtual machine, … Read moreHow to create virsh snapshot with LVM in RAW format
This tutorial shows how you can install an Apache2 webserver on a CentOS 7.0 server with PHP5 support (mod_php) and MariaDB (MySQL fork) support. LAMP is short for Linux, Apache, MySQL, PHP but actualy, it’s a CAMP: CentOS, Apache, MariaDB, PHP. Install Apache server: # yum -y install httpd after resolving depedencies (apr, httpd tools, … Read moreInstall Apache, PHP And MariaDB On CentOS
I’m about to go to move files to my NAS, and I want to create subdirectories named Hercule, Systems, and Documents, and the Hercule directory has severals subdirectories named Saison01 to Saison13. How can I create these directories and subdirectories with one command? Answer: Use the “-p” option of the Unix/Linux mkdir command. The answer … Read moreHow to create multiple directory levels in one command
I recently need a command line to shutdown my computer after the last songs of a playlist ended. I don’t want to change the right of the shutdown programm and put a sécurity hole. So, how can I shutdown my computer as a normal user with command line without confirmation dialog box? For xfce: xfce4-session-logout … Read morehow to /sbin/shutdown -h in user mode?!?