Linux Administrator

Tail Command Examples in Linux/UNIX

Many Linux users use cat command to display the entier file content. It’s ok if you use cat command to display the entire file content but in some cases you will need

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5 Chattr Command Examples in Linux

Chattr stands for Change Attribute. It is command line utility which is used to set or unset certain attributes to a file in UNIX/Linux system to secure accidental deletion or modification of

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10 Wget Command Examples in Linux

Wget utility is free and license is under GNU GPL Licencse. It is used to retrieving files using HTTP, HTTPS, and FTP the most widely-used internet protocols. It is a non-interactive command

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Exclude Package From Apt-Get Upgrade In Ubuntu/Debian

When we run the full update or automatic packages upgrade process on system, sometime accidentally we upgrades those packages which is not to update and this creates serious issue on the server.

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How To Find Top 10 Memory Consuming Process In Linux/Ubuntu

In this article I will show you how you can find the top 10 memory consuming process in Linux. As a system admin you always need to know which process is taking

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Compress And Extract File Using Tar Command In Linux

Tar command is used to create .tar.gz or .tgt archive files in Linux. It is also called tarballs. There are lots of option with tar command that can be use, but you

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How To Upgrade CentOS 6.8 From CentOS 6.1/6.2/6.3/6.4/6.5/6.6/6.7

If you are using CentOS OS Older version 6.x release. This article will help you to upgrade CentOS to latest release 6.8. In this new release there are lots of security changes

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How to configure SFTP server in Linux

SFTP stands for SSH File Transfer Protocol. It is secure way to transfer file between two remote systems. If you want to create a user on your system that will be used

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How to mount SAMBA share (SMBFS) in Linux

Linux system can also browse and mount SMB shares. In this article I am going to explain how you can mount SAMBA file system (SMBFS) permanently in Linux. Please note that this

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Password protected GRUB in Linux/UNIX

As a System Administrator, you should protect GRUB bootloader menu so that nobody can change anything in this file. GRUB (Grand Unified Bootloader) is a default bootloader in in all Linux/UNIX system.

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