OCS Windows Agent Installation

Configure laptop for copying data between laptops

Change LAN port IP address

Laptop 1 :

Goto : –  Control Panel\All Control Panel Items\Network and Sharing Center

Right click on Local area connection and select Internet protocal version 4 then its properties

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OCS Agent installation on linux servers

First , Install these modules :-

CentOS/OEL :

yum install -y perl-XML-Simple perl-Compress-Zlib perl-Net-IP perl-LWP perl-Digest-MD5 perl-Net-SSLeay

yum install -y perl-Crypt-SSLeay perl-Net-SNMP perl-Proc-Daemon perl-Proc-PID-File perl-Sys-Syslog pciutils smartmontools monitor-edid

RHEL 4 :

up2date install  perl-XML-Simple perl-Compress-Zlib perl-Net-IP perl-LWP perl-Digest-MD5 perl-Net-SSLeay

up2date install -y perl-Crypt-SSLeay perl-Net-SNMP perl-Proc-Daemon perl-Proc-PID-File perl-Sys-Syslog pciutils smartmontools monitor-edid

up2date --register

up2date up2date

rpm -qa | grep up2date

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 Note: RHEL upgrade with  OEL repo . Run these commands 

Converting RHEL To OEL YUM

 cd /etc/yum.repos.d

wget  http://public-yum.oracle.com/public-yum-ol6.repo

 yum repolist

Might give an error Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle

To resolve this use the following command

 rpm --import  https://oss.oracle.com/ol6/RPM-GPG-KEY-oracle

rpm --import /usr/share/rhn/RPM-GPG-KEY

 rpm -q gpg-pubkey-ec551f03-4c2d256a

After the updates are complete system might start throwing a CERT Error

rhn-plugin: ERROR: can not find ULN CA file: /usr/share/rhn/RHNS-CA-CERT

========================================================================

To resolve this, follow the below,

# cd /usr/share/rhn

You will find the cert ULN-CA-CERT

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Ubuntu  :

apt-get install dmidecode nmap make

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Install CPAN modules into your local Perl library using CPAN

Invoke the CPAN shell:

# perl -MCPAN -e shell

The first thing you should do is to upgrade your CPAN:

cpan> install Bundle::CPAN

Once ready, type:

cpan> reload cpan

configure and install the DateTime::TimeZone module, type:

cpan> install DateTime::TimeZone

If needed you will be prompted to install other modules

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How To Install Tomcat 7.0.56 Server on CentOS & RHEL 6/5

Check Java version using command

# java -version

java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) Client VM (build 25.0-b70, mixed mode)

Then , Download tomacat using command

# cd /tmp
# wget http://www.us.apache.org/dist/tomcat/tomcat-7/v7.0.56/bin/apache-tomcat-7.0.56.tar.gz

Untar and move as per your requirement directory

# tar xzf apache-tomcat-7.0.56.tar.gz
# mv apache-tomcat-7.0.56 /usr/local/tomcat7

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Understanding Sudo

• Root is the super user its has the ability to do anytask on a system. To  protection against potential damage sudo is used in place of root.
• Sudo allows users and groups access to commands they normally would not be able to use.
• Sudo will allow a user to have administration privileges without logging in as root. A example of the sudo command is as follows:

1	sudo apt-get install

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Install Apache ActiveMQ on Linux

Install Apache ActiveMQ on Linux

• Download Apache ActiveMQ

Type the following command:
wget http://www.apache.org/dist//activemq/apache-activemq/5.5.0/apache-activemq-5.5.0-bin.tar.gz

• Extract the Archive

1. Extract the distribution archive, i.e. apache-activemq-5.5.0-bin.tar.gz to the directory you wish to install Apache ActiveMQ. These instructions assume you chose /opt. The subdirectory apache-activemq-5.5.0 will be created from the archive.

tar -zxvf apache-activemq-5.5.0-bin.tar.gz

ActiveMQ start-up script is not executable, change its permissions:

chmod 755 activemq

• Run Apache ActiveMQ

Run ActiveMQ from a command shell:
sudo sh activemq start

• Monitoring ActiveMQ

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http://magazie.co.in/installing-apache-activemq-on-linux/