Find out CPU, Sockets & Cores

August 18, 2016

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Environment OS = Redhat Enterprise Linux Version = 5.9 Find out total CPUs & Sockets dmidecode |grep -i cpu Example output: dmidecode |grep -i cpu Version: Intel(R) Xeon(R) CPU E5530 @ 2.40GHz Version: Intel(R) Xeon(R) CPU E5530 @ 2.40GHz Description Above command output shows total sockets i.e., 2 and total CPU/processors installed i.e., 2 OR […]

Posted in: Tech News

GlusterFS (File System) Installation and configuration on RHEL/CentOS and Fedora (REPLICA Environment)

May 29, 2015

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Creating GLUSTER was never too easy like I mentioned below. Follow my article Environment Centos 6.3 Nodes = 2 selinux = disabled Add host file entries on both nodes # yum install glusterfs-server # service glusterd start # service glusterd status # Create directories with same names on all servers # mkdir -p /data/brick1/gv0 # […]

Posted in: Tech News

MOBILE BANKING ADDICTION

March 16, 2015

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The constant transformation of communication is changing in today’s world that how people interact with others. Today everyone seems connected digitally. When it comes to pay the ground breaking change was noticed since the Plastic card was introduced. The quick adoption of plastic card was convenience to use. In this century convenience is the only […]

Posted in: Tech News

Adding or removing LLT links without restarting LLT / Howto replace Heartbeat NIC(s) of VERITAS Cluster

February 2, 2015

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Environment SFHA version = 5.1 OS = 5.9 Solaris SPARC Please freeze the cluster before doing this activity Agenda Suppose you need to replace the bge2 Ethernet with ce0   (ONLINE without restarting gab, llt and  hastop -all -force) # lltconfig -t ce0 -d /dev/ce:0 # lltconfig -u bge2 First command will add the new Ethernet […]

Posted in: Tech News

we require peer to have ID ‘x.x.x.x’, but peer declares ‘x.x.x.x’

October 28, 2014

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PROBLEM At my side we have installed and configured VYATTA firewall and at the other side there was a hardware based firewall (May be CISCO or JUNIPER). We have created many site to site VPNs with different companies and they all are running fine. This time we were facing the subjected matter. At the other […]

Posted in: Linux

**ERROR** RRD: Disabled – unable to create base directory (err 13, /var/lib/ntop/rrd

September 12, 2014

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ERROR while installing ntop Error **ERROR** RRD: Disabled – unable to create base directory (err 13, /var/lib/ntop/rrd Solution #sudo chown -R nobody:nogroup /var/lib/ntop (Optional)  : You may need to create a directory   ( #/var/lib/ntop# mkdir rrd ) in the response of below ERROR while running ntop **ERROR** RRD: Disabled – unable to create base directory […]

Posted in: Tech News

Redhat (RHEL) 6x Interfaces name keep changing

March 7, 2014

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Recently I faced that the Network Interface names keep changing after reboot. on a computer having two network cards made by Intel and Realtek, the network card manufactured by Intel may become eth0 and the Realtek card becomes eth1. In some cases, after a reboot the cards get renumbered. # cat /etc/udev/rules.d/70-persistent-net.rules # This file […]

Posted in: Linux

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