The Red Hat certification team recently made some adjustments to the RHCSA & RHCE exams objectives for RHEL 7. Concerning the RHCSA exam, VNC and LUKS related tasks have been removed, when firewall settings can now be set up through…

Two days ago, the Linux Foundation announced a new certification program. It consists in two exams: LFCS (Linux Foundation Certified System administrator), LFCE (Linux Foundation Certified Engineer). Both exams are performance-based exam in English lasting 2 hours focusing on system…

Some applications writing files in the /tmp directory can see huge improvements when memory is used instead of disk. You will find all the details in the tutorial about configuring /tmp on tmpfs.  

If you don’t know the kpartx command, you miss something! If you regularly play with virtual machines under KVM, you know that sometimes things go wrong. A change in the /etc/fstab file or in the ssh configuration and you are…