The Linux netcat(nc) command is often referred to as the Swiss army knife of networking tools, and a skilled system administrator could come up with some interesting uses for this sophisticated and versatile tool. It...Read More
The iostat command stands for input-output statistics. This command is used to generate input-output statistics for device, partitions the network file system, generate the report for Central Processing Unit (CPU). When the...Read More
Applying periodic updates on the system in the form of patches to keep the operating system updated and secure is an important job function of every system administrator. Patching the operating system certainly enhances the...Read More
What is vmstat command? In this article, we’ll demonstrate how we can use the vmstat(View memory status) command as an indispensable memory measurement tool. Although the primary intended purpose of vmstat command...Read More
What is file globbing in Linux? File globbing is a feature provided by the UNIX/Linux shell to represent multiple filenames by using special characters called wildcards with a single file name. A wildcard is essentially a symbol...Read More
Along with the Linux sed command, the tr command stands for translate is used to provide a level of swapping or translation, suppression or deletion of files. The tr command just translates one character to another character. In...Read More
According to the official website of firewalld, “Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support...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
What is Prometheus? Prometheus is an open source monitoring tool which was developed in 2012. Its architecture is modular and comes with several readily available modules called exporters, which help you capture metrics from...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.