Category: Linux Networking

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Linux Administration Information Center

Booting Tasks Read – Unexpected Server Reboots of RHEL servers on HP Read – Linux Admin Reference – RedHat Linux Grub Loader Storage Responsibilities Read – Understand Device Mapper and DM-Multipath Read – Identifying Disk Errors in Linux Read – Identify if linux was installed on...

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Redhat Enterprise Linux Networking Troubleshooting – Quick Reference

  1. Network does not start due to “Device not managed by Network-Manager” error. Generally, this error occurs when the ethernet cable does not connect to the interface well and the interface is not configured properly. The solution for this issue is to ensure the link...

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Linux Admin Reference – NTP Configuration and Troubleshooting – Red Hat Enterprise Linux :

NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference. NTP is an Internet standard protocol originally developed by Professor David L. Mills at the University of Delaware. Time usually just advances. If you have communicating programs running on different computers, time still...

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Linux Admin Reference – Chroot FTP Services in Red Hat Enterprise Linux

A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name  and cannot access  files outside the designated directory tree. Chroot sftp...

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Linux Admin Reference – FTP/SFTP Services in Red Hat Enterprise Linux

In Red Hat Enterprise Linux 3 or later FTP service is provided by the vsftpd daemon. vsftpd stands for “Very Secure FTP Daemon” and is an FTP server for Unix-like systems. It supports IPv6 and SSL, as well as explicit and implicit FTPS. The vsftpd daemon...

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