Linux Bash Environment Variables

Environment is shell running session and session related info. environment is important part of the Linux bash. We can set variables at the current environment and use them. Bash also provides some default environment variables too. Create Variables While Login You may need to create variable at login time of…

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Looking For Python Tutor or Training?

I have programming for 15 years and have different programming language tastes. I am working with Python programming language for 7 years. I have developed enterprise level applications to simple scripts to web applications with Django framework. Need Tutor I can help you on one on one or in a…

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How To Prevent SQL Injection in Php Applications?

I have an application and I have complex requests tot the server. There are a lot of database operations. Managing them can become very hard some times. In this situation how can I prevent sql injection attacks to my application. Use Prepared Statements Prepared statements are the way to bind…

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Windows Chkdsk Utility Tutorial

Check Disk or chkdsk command is used to detect FAT16, FAT32, NTFS file system related errors, and fix them. Chkdsk can not recover corrupted files which are a hard situation. Chkdsk can be run from the command line or from GUI but the command line use is the most practical…

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Pgrep and Pkill Command Tutorial With Examples For Linux

While working process general ps command is used. Ps command provides detailed information about processes those run on the system. We generally use grep command with ps to filter or match. There is a alternative and more practical way to work process. Pgrep and pkill can be used to manage, list and kill…

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Linux Dig Command Tutorial With Examples

Dig stands for Domain Information Groper. Dig is used to interrogate DNS servers. It has a lot of features to interact with and use DNS servers. In this tutorial, we will look at popular and useful dig command usages. Most of the system and network administrators use dig to debug…

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Best Tools To Monitor Linux

As a system administrator monitoring systems is very important job. Actually we can state that half of system administrating is monitoring and anticipating systems and their events. In this tutorial, we will look at Linux monitoring tools and their features. As I know there is a lot of tools to…

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