How Linux Organizes Files and the Purposes of Various Directories in the File-System Hierarchy
The file system hierarchy All files on a Linux system are stored on file systems, which are organized into a single …
Linux
How to Login and Logout of a Remote Linux Server Using Ssh
Logging in Linux users and administrators often need to get shell access to a remote system by connecting to it over the …
How to Use Ethtool to Change Speed, Duplex, and Auto-Negotiation Settings in Linux
This post describes how to change network device settings, such as speed, duplex, and auto-negotiation in Linux with …
Why Should You Learn Linux
Linux is a critical technology for IT professionals to understand. Linux is in widespread use, and if you use the …
How to Clear Stuck NFS Locks on NetApp Filer(s)
Question: We are using NFS for datafile storage, without Real Application Clusters (RAC), and the mount point with the …
How to Install KDE Desktop Environment in CentOS/RHEL 6
This post describes how to install the KDE Desktop environment in a CentOS/RHEL 6.x system where it is not yet …
CentOS/RHEL 7 - Gdm Getting Crashed and Unable to Login via GUI
The Problem User cannot login to the system via GUI On CentOS/RHEL 7.x. The gdm utility segfault with below error after …
CentOS/RHEL 7 : How to Recover Missing Grub.cfg File in Rescue Mode Using ISO
The Problem A system is not able to boot and is stuck at the GRUB prompt. The Solution The system can fail to boot if …
"Failed to Join Domain" - When Performing Realm Join on CentOS/RHEL 7
The Problem The “realm join” command is failing with the following error even if user is member of …
"Started Service Enabling Compressing RAM With ZRam" - CentOS/RHEL 7 Installation Hung
The Problem When installing CentOS/RHEL 7 on a hardware box with huge amount of ram installed, the installation gets …
CentOS/RHEL 7 - Server Does Not Boot After Modifying the Default Kernel Entry in GRUB
The problem We have changed the default kernel entry to boot from in GRUB using the “grub2-set-default” …