September 12, 2015

Networking Concepts, in RHEL 7 or CENTOS7.

Linux General,

Let’s see the networking concepts, in RHEL 7 or CENTOS7. You should concentrate on these if servers upgrade: We usually edit the network configuration file in the older versions to manage IPs. under /etc/sysconfig/network

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August 26, 2015

Symbolic link hack and its prevention in cPanel based servers.

Linux General,

Just like we use shortcut in windows based operating system. Symbolic link (symlink or soft link) is a shortcut like file in linux operating systems. In linux a normal user cannot access server main/root

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August 14, 2015

DNS Configuration (Internal and External)

Linux General,

The following package must be installed : bind-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-chroot-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-utils-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-libs-9.8.2-0.17.rc1.el6_4.6.i686.rpm

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June 18, 2015

Iperf

Linux General,

Iperf was developed by NLANR/DAST as a modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf

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June 2, 2015

MySQLTuner-perl Script

Linux General,

MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and

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May 25, 2015

Linux – Creating a Partition Size Larger Than 2TB using Parted Command

Linux General,

Find Out Current Disk Size: fdisk -l /dev/sdb Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes 255 heads, 63 sectors/track, 364801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes

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May 12, 2015

Add multiple interface and IP address – ubuntu and centos

Linux General,

The below script uses to add bulk IPs for the same gateway and subnet : Save IPs in a file like /opt/dummy.txt and run the script to add them up. Interface add script – Ubuntu or Centos:

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April 30, 2015

MEGACLI Commands to check Hardware RAID config and Setup

Linux General,

Download the MeGaCLIzip from the below link:http://www.lsi.com/downloads/Public/RAID Controllers/RAID Controllers Common Files/8.07.14_MegaCLI.zip

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February 10, 2015

Integrating Parallels Virtuozzo container in Citrix Xen server

Linux General,

We are trying to install virtuozzo 4.7 in a virtual Machine that has got centos running on it. Virtuozzo installation in this VM goes fine and the VM prompts for reboot post installation. During boot

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November 1, 2013

Asterisk installation and configuration in Linux Server to make Calls between two VoIP phone

Linux General,Server Management Services,

Asterisk is a free and open source framework for building communications applications and is sponsored by Digium. Asterisk installation will help you make call's easier.

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