Introduction In an earlier article, we discussed the systemd system startup manager in detail and also ventured into the reasons why it has replaced sysvinit as the default system startup and service manager for many popular...Read More
Introduction In one of our earlier articles we discussed the sysvinit system startup and service manager in detail. In a subsequent article, we compared sysvinit with other two major alternatives to sysvinit i.e. upstart and...Read More
Introduction Every system administrator is a frequent user of the bash history command to recall previously executed actions. We frequently use the bash shells’ history feature to check what commands we executed previously...Read More
Introduction In our earlier articles, we’ve discussed the sysVinit and systemd service managers. In this article, we shift our focus to upstart and understand what is upstart and how it works. We’ll also...Read More
Introduction The systemd system and service manager is relatively new for our Enterprise Linux operating systemd but has been under development by Redhat since 2010 on the Fedora platform. It was created by Redhat developers...Read More
Introduction Recently researchers at Google’s Project Zero have discovered two major vulnerabilities impacting almost all the processors made in the last 20 years. These vulnerabilities have been named Meltdown and...Read More
What is wget command? The ability to download content from the world wide web (the internet) and store it locally on your system is an important feature to have. The wget(Web get) command line utility is a freely available...Read More
What is curl command? The curl command is a powerful command line tool used to transfer data to or from a server. It can use any one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or...Read More
The ability to accurately measure CPU usage of a system is essential to ensure optimal operation of the applications or databases running on that system. The mpstat Linux command is a utility that collects and displays...Read More
In an earlier article, we demonstrated the installation and setup of Prometheus, a lightweight, and user-friendly open source monitoring tool. In this article, we will show you how to integrate data collected by Prometheus with...Read More
The lsblk Linux command is a useful command which lists information about all or the specified block devices. It queries the /sys virtual file system to obtain the information that it displays. The command displays...Read More
The iotop is a free and useful Linux top command like monitoring tool meant to monitor disk I/O activity on the server. You must have a kernel version of 2.6.20 or later to use iotop. It requires root privileges to execute. We...Read More
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My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.