Author Archives: systemadmin

What is a 503 Service Unavailable Error?
This article explains what a 503 error means, why you’re getting an HTTP 503 code, and how to troubleshoot these errors. What is an HTTP 503 Error? When you open...
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What is localhost?
Computer machines are identified by their hostname [name of the host machine] and IP address. The below diagram briefly illustrates it. Likewise, we also have a common name for all...
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How to create a bash shell script to find if a number is perfect or not.
In this article, we will discuss how to write a bash script to find if a number is perfect or not. A perfect number is defined as, a positive number...
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How to understand difference between Bash scripting an Shell scripting.
Bash script: A Bash Script is just like a simple text file, consisting of a number of commands that we usually write in a command line. In Linux file systems,...
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How to understand File Permissions in Bash Scripting.
In Bash scripting, file permissions refer to the access rights and restrictions that are assigned to files and directories. These permissions determine who can read, write, or execute a file...
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How to use traceroute command.
What is traceroute command? The traceroute command in Linux is a network diagnostic tool used to track the route and measure the round-trip time (RTT) of packets between your computer...
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How to use sysdig command.
What is sisdig? sysdig is a powerful open-source command-line tool used for system exploration, troubleshooting, and monitoring. It provides deep visibility into the activities and behavior of a Linux-based operating...
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How to use info command.
What is info command? In Linux, the "info" command typically refers to the Info documentation system. Info is a specialized format for documentation that is commonly used for GNU software...
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How to use IPCS command.
What is ipcs command? ipcs shows information on the inter-process communication facilities for which the calling process has read access. By default, it shows information about all three resources: shared...
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How to use talk command.
What is talk command? The talk command in Linux is a utility that allows two users to have a real-time text-based conversation over a network. It provides a simple and...
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