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RHEL Howtos and Guides

Red Hat Enterprise Linux server tutorial for new and advanced users. Topic includes RHEL firewall, package management, Red Hat server security, various server configuration, mail-server, web-server, proxy-server, intrnet-server, file server and much more ( rss feed ).

How do I installed the latest version of Google Chrome v44 on a Red Hat Enterprise Linux or CentOS Linux version 7.x and Fedora Linux v22 using the yum command line option?
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I've three old hard drives: sized 60, 60 and 120 GB. And 200 GB of video files, which I need to store on these drives. How would I store all my files on three hard drive without split a file into pieces or creating RAID array? How can I combines a several mount points (partitions) into the single one on a Linux operating systems?
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I'm using LXC (Linux Containers) a virtualization system running on a Ubuntu LTS. How can I update all my Ubuntu or Debian Linux based guests containers VM from host operating system?
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A very serious security problem has been found in the virtual floppy drive QEMU's code used by many computer virtualization platforms including Xen, KVM, VirtualBox, and the native QEMU client. It is called VENOM vulnerability. How can I fix VENOM vulnerability and protect my Linux server against the attack? How do I verify that my server has been fixed against the VENOM vulnerability?
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I installed minimal CentOS Linux 7.x on my laptop. How can I install Gnome desktop GUI on a RHEL (Red Hat) 7 or CentOS Linux 7 system using command line option?
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I'm a new RHEL (Red Hat Linux) and/or CentOS Linux 7 server user. How can I change the hostname in CentOS 7 using a command line option?
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I'm a CentOS Linux 7.x server user. How can I use yum command to downgrade or rollback package updates on a RHEL (Red Hat)/CentOS/Scientific Linux server?
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