In CentOS 7 or Red Hat Enterprise Linux (RHEL) 7, a process called "kipmi0" may show that it's utilizing unusually high percentage of CPU processing power, e.g. 99.7%, 99.8%, 99.9% or even 100%, even though kipmi0 process [...]
In a networking environment, all computer systems, be it Windows PC, Linux server or Unix mainframe, has a hostname. A hostname is a label (also known as computer name) that is assigned to a device connected to [...]
There are many commands that can be used to identify total RAM memory size installed and check the amount of free and used memory in the Linux operating system such as Red Hat Enterprise Linux (RHEL), CentOS, [...]
When attempting to configure the system to automatically synchronize the time with a remote time server using NTP protocol in the "time server sync" of "System Time" module of Webmin (which also used by Virtualmin and Cloudmin), [...]
In Linux operating system, to find and print the name of all files that has the file size 0 (zero) bytes, in a directory and all its sub-directories recursively, use one of the following commands: find /path/to/directory/ [...]
In Linux operating system, most of the users log in as standard user or normal user. But occasionally, one has to have administrator or root privileges in order to perform certain administrative tasks. Normally administrative privileges are [...]
In Linux and UNIX operating system such as Ubuntu, Red Hat Enterprise Linux, Solaris, FreeBSD, CentOS and other distributions, many users can login to the system concurrently, by using Telnet and/or SSh (Secure Shell) to logon remotely, [...]
After updating kernel of Linux, a system reboot is normally required in order to complete the update and make the new kernel effective. In fact, kernel update may be the only reason to reboot a Linux system. [...]
Large number of error emails is sent by ABRT Daemon to web server's administrator, and system log is filled with the following message: [abrt] a crash has been detected again abrt_version: 2.0.8 cmdline: /usr/bin/python /usr/libexec/abrt-action-generate-machine-id -o /var/spool/abrt/pyhook-2015-08-06-07:11:17-55377/machineid [...]
Red Hat Enterprise Linux (RHEL), Fedora, CentOS and Scientific Linux allows administrators to add and enable multiple repositories (repos) to install software packages that are not included in the default base and updates repositories. Over time, the [...]
