SFTP chroot configuration on Linux

SFTP provides secure file transmission method however a SFTP logged in user can browse other sub-directories other than the user’s designated home directory. This article provides a step by step…

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Multiple subnet PXE installation with Linux DHCP

In computing, the Pre-boot Execution Environment describes a standardized client-server environment that boots a software or operating system, retrieved from a network, on PXE-enabled clients. On the client side it…

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Linux DHCP

No subnet declaration for ethx

No subnet declaration for eth1 (no IPv4 addresses). Ignoring requests on eth1. If this is not what you want, please write a subnet declaration in your dhcpd.conf file for the…

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EPEL Repository

How to enable EPEL repository on CentOS or RHEL

EPEL (Extra Packages for Enterprise Linux) is a volunteer-based community effort from the Fedora project to create a repository of high-quality add-on packages that complement the Fedora-based Red Hat Enterprise…

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How to check setuid and setgid on Linux with find command

Linux find command is a powerful tool to ease system administration and saves a lots of time while working on file filtering or finding a specific type of file from…

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Difference between Zombie and Orphan Processes

This article provides complete information about Zombie and Orphan process on Linux or Unix Operating system with suitable code example.

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Chrony symmetric authentication

Chrony is a powerful and fastest time server, mostly used as a time synchronization agent/server on the client system. In this article, we’ll configure a chrony server and a chrony…

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What is inode

An inode is an entry in inode table that contains information about a file and directory. It is a is a data structure on a traditional Unix-style file system such…

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