Category Archives: fedora

VPN CLIENT INSTALLATION on Linux

VPN INSTALLATION on Linux

[root@app-01 ~]# uname -a
 Linux app-01 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@app-01 /]# mkdir download
 [root@app-01 /]# cd download/
 [root@app-01 download]# ll
 total 0
 [root@app-01 download]# mkdir vpn
 [root@app-01 download]# cd vpn/
 [root@app-01 vpn]# ll
 total 0
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How to setup Network File Server on CentOS / Redhat with Automatic Backups — RackSpace

NFS SERVER SETUP ON CETNOS 6.5 / Redhat 6.5 / Fedora

In this tutorial let us see how to install and configure NFS server and how to share files between NFS server and clients. Though i have tested these steps in Cent-OS 6.5 32 bit edition, it will work on RHEL/Fedora/ 64 bit architecture.

Scenario

NFS Server Operating System : CentOS 6.5 64 bit (Minimal server install)

NFS Server Operating System  : CentOS 6.5 64 bit (Minimal server install)

NFS Client Operating System  : CentOS 6.5 64 bit (Desktop Minimal)

NFS Server IP Address              Host rackspace-nfs01: 192.168.58.152

NFS Server IP Address              Host rackspace-nfs02: 192.168.58.153

NFS Client IP Address               Host rackspace-jon: 192.168.58.154

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How to recover RPMDB in RHEL / CentOS / Fedora

You can see below is the error while updating RHEL/CentOS/Fedora using yum update

[root@babar rpm]# yum update

rpmdb: Thread/process 8367/457660786 failed: Thread died in Berkeley DB library
error: db4 error(-41638) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db3 – (-30575)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

Error: rpmdb open failed

New Please check RPMDB file and rebuild if corrupted using below commands

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