Monthly Archives: June 2016

Wifi Access Point and Station on same chip – share internet too

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Users of cable-net like 24online need authentication to activate internet connection. If the connection is attached with wifi router, user has to authenticate via wifi in station mode. If internet is required on mobile at the same time, an access point is also required.

Linux can configure both wifi station and access point on the same chip (if supported), so users can get internet on laptop and on mobile devices simultaneously.  This post is based on debain, though the same approach is valid for other distro. It is assumed the wifi station is already configured and internet is available through that station.  Read the rest of this entry

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Setup free enterprise grade email hosting for business

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So you have a domain and want free Industry standard Email hosting

Well, you are not alone 🙂 Many small business/startup needs such email system from day one. Even users having personal domain also want their own email hosting. Recently I have checked some Free email hosting providers and finally stuck with Zoho. Let me inform you, this post is neither a comparison between free email hosting providers nor an effort to promote Zoho, but a post about how to successfully setup an enterprise grade FREE email hosting on Zoho. Read the rest of this entry

Single click deployment by jenkins

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Scenario

Code is available at local git server. That same server is also hosting multiple tomcat. Jenkins build should pull the git to collect code, prepare mysql DB, execute ant target, finally place the resultant war file at particular webapps folder. Apart from all these build specific tasks, jenkins should shutdown the associated tomcat before ant task and start it again after placing the war file in webapps

Jenkins installation

On debian, add the official jenkins repo and add signature .

wget -q -O - https://jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -
echo "deb http://pkg.jenkins-ci.org/debian binary/" > /etc/apt/sources.list.d/jenkins.list
apt-get update

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