Category: Linux

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How to Install MRTG with SNMP on Linux RedHat 6.5 / CentOS 6.5

Before you Install MRTG please verify apache is installed on your machine [root@mysql01 ~]# vi /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.49.19 mysql01

The GHOST Vulnerability Bug discovered by researchers at Qualys Inc. in Linux glibc library

  Courtesy: https://community.qualys.com/blogs/laws-of-vulnerabilities/2015/01/27/the-ghost-vulnerability The GHOST vulnerability is a serious weakness in the Linux glibc library. It allows attackers to remotely take complete control of the victim system without having any prior knowledge of system credentials. CVE-2015-0235 has been assigned to this issue.

How to Install RHQ on CentOS 6.5

Install PosgreSQL 3.1.1. Type ‘yum install postgresql*’ making sure to include the asterisk (*) 3.1.2. Type ‘y’ when prompted (happens twice) Confirm java version 4.1.    Type ‘java –version’ 4.2.    Confirm it’s running at least 1.6 and using OpenJDK (or Oracle/Sun Java or JRockit, but NOT GNU Libgcj)

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

How to verify DDOS attack with netstat command on Linux Terminal

How to verify DDOS attack with netstat command on Linux Terminal Some examples with explanation netstat -na This display all active Internet connections to the server and only established connections are included. netstat -an | grep :80 | sort

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

How to install CACTI ON CentOS / Red Hat / Fedora Linux

CACTI INSTALLATION ON CENTOS Install the required packages on your server machines, to install these packages you need to login as root  # yum install mysql-server mysql php-mysql php-pear php-common php-gd php-devel php php-mbstring php-cli php-snmp php-pear-Net-SMTP php-mysql httpd

APACHE OPENSSL CERTIFICATE, PHP MYSQL, HTACCESS WEB DIRECTORY with SQUID WITHOUT SSL AND with SSL SETUP

APACHE+OPENSSL+CERTIFICATE+PHP+MYSQL+HTACCESS WEB DIRECTORY SQUID WITHOUT SSL AND SSL SETUP vi /etc/sysconfig/network NETWORKING=yes HOSTNAME=reverseproxy.node01 :wq!