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Windows or Linux Hosting – Which one is better

Hi all, This is very common questions when we plan to develop personal blog or web site hosting to our needs. In web hosting company, they provides connectivity and space to your content. Your file includes script like JavaScript, jQuery, style etc and media files like image, videos, PDF or …

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The Midnight commander

The midnight commander (mc) is a powerful text based file manager. It is a directory-browsing tool and allows all the basic file operations. It can be used to view the contents of archived files, browse the ftp repository of a remote server and undelete files in the older file systems, …

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Shred command for overwriting a file

The operating system does not completely erase a file when the file is detected. The file could be recovered by third party forensic tools. But we can use the shred command to overwrite a file, to make it almost impossible for it to be recovered. The file is overwritten three …

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Low- level HDD formatting

You often have a hard disk drive that needs to be formatted such that all data in it gets destroyed. Here is a command that can erase all data from your HDD. #dd if=/dev/zero/of=/dev/had bs=1M This will formate your primary HDD(had) to a low level using dd. This will fill …

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Ten Open Source Backup and Recovery Tools

Hi all, Today i share one useful topic related to open source tools and their advantages. In the data center environment the open source tools have many advantages. First and foremost is their low cost and the flexibility they provide. Everyone will be aware of the source code so any …

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Search and replace text in Vim

Describe the basic fundamental uses of the text substitution inside the Vim editor. When you want a specific text(search) to be replaced with another text in the entire file, then you can use the following sequence: (1) Replace with information: :%s/search/replace/gc (2) Without Confirmation: :%s/search/replace/g (3) Replace only in the …

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Use the ‘Up’ arrow key to search through the bash command history

You can enable the ‘Up’ arrow of your keyboard to search through commands that you have used in the past, on the terminal. Just type the initial few letters of the desired command and press ‘Up’ arrow, and you will get the commands that start with the letters you have …

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Start programs or scripts at system bootup

The script /etc/rc.local is to be used by the systems administrator. It is executed after all the normal system services has been started. Administrators can use it to get the summary of the server(like memory status, hardware status, and others). The reports can be sent to personal mail ID. The …

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Find and remove duplicate file

It is a very common requirement to remove duplicate file. If you have a large collection of file, then finding and removing such duplicate file will be a tedious task. But this is where GNU/Linux makes the difference- it provides the ‘fdupes’ utility, which finds duplicate files by comparing their …

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