Linux Articles

Using Linux iptables for a firewall

In this article, we are going to set up a firewall using iptables. iptables is the standard firewall software present in most Linux distributions. We are going to use these set of rules to filter the network traffic. You can protect the server from unwanted traffic by...
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Rotating files from RAM to storage for log rotation in Linux

In this article, we are going to discuss the logrotate Linux tool. Using this tool, administration of systems becomes easy. The systems generate large number of log files. This allows for automatic rotation, removal, compression, and mailing of log files. We can...
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Compressing and archiving files in Linux Operating System

There is a difference between a compressed and an archive file. So, what is an archive file? It is a collection of files and directories that are stored in a single file. An archive file is not a compressed file. What is a compressed file? This is a collection of...
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Gathering network information for Linux Operating System

In this article, we are going to test IPv4’s connectivity and write scripts for it. Prerequisites Besides having a terminal open, we need to remember a few concepts: The If..Else condition case in shell scripting IP address of the device...
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