Category Archives: OpenSource

What is GRSecurity

Grsecurity® is an extensive security enhancement to the Linux kernel that defends against a wide range of security threats through intelligent access control, memory corruption-based exploit prevention, and a host of other system hardening that generally require no configuration. It has been actively developed and maintained for the past 15 years. Commercial support for grsecurity is available through Open Source Security, Inc.

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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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