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A glance on Virtualhost

Virtaulhost is used to host multiple domains in the same server.  This can reduce the cost and administration workload for seperate servers for each domain. There are two types of  virtaulhost. 1. Name-based virtulahost 2. IP-based virtualhost Name based Virtualhost: Name-based virtaulhost mainly uses one instance of apche to host …

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StickyBit, SUID & SGID in Linux

The regular file and directory permissions in Unix/Linux world are read write and execute permissions on owner, group and other levels. This article discusses special permissions for files and/or directories. SUID Bit When an executable file runs, it runs under the ownership of the user who has executed it. It …

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Command Line Arguments In Shell Script

In a shell script, you can pass variables as arguments by entering arguments after the script name, for e.g. ./script.sh arg1 arg2. The shell automatically assigns each argument name to a variable. – Arguments are set of characters between spaces added after the script. To specify an argument that includes …

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