August 15, 2019 Vignesh Sathiyanantham

I have good hands-on building REST services using Java Play Framework / Spring Boot / Spark We build multiple microservices most of them are client-server architecture and in these scenarios apart from gRPC we use REST services for the microservice communications If you ask me do we need all 70 Status provided by HTTP standards, the answer is NO, We don’t need ’em all for all Situations I Architected the REST APIs for our Cloud Data Protection software Nimesa, I didn’t use them all, we use only 10 of them and it serves our purpose 200 – OK – Everything…

May 15, 2019 Vignesh Sathiyanantham

Run apt-key Using the apt-key utility we can display all the known keys.apt-key list To quickly find the expired keys, search for “expired:” apt-key list | grep “expired:” Update the key We can now use the key gathered in step 1 to update it: apt-key adv –keyserver keys.gnupg.net –recv-keys [KEY]

December 14, 2018 Vignesh Sathiyanantham

Like every computer needs harddisk VM or Cloud Instances are no exception. In Amazon, EBS is the virtual hard disk for your EC2 instances, it stores data as blocks and it is like a traditional file system you can format it with any file system and use EBS is not a stand-alone storage, you cannot use EBS volumes like S3 and unlike VMware Virtual Disks you cannot share the EBS between instances at the same time. Until 2012 Amazon had a single type EBS volumes The magnetic standard volume then they had another two more types ( General Purpose SSD and…

February 9, 2016 Vignesh Sathiyanantham

Setup a Virtual Host on WAMP Most developers do work locally, Like them i work locally, test then deploy to staging / production. Sometime i used to work on WAMP stack too… in this case creating virtual hosts is better option V-Hosts makes URL cleaner, no need of much modifications in case of CMS let’s setup a virtual host in WAMP. Open your Apache configuration Default Location : C:\wamp\bin\apache\apache2.4.9\conf Search for “Virtual hosts” Uncomment the Include line if it is commented Virtual Host Config File Include Now update the Virtual host config file Sample vHost config <VirtualHost *:80>…

May 22, 2015 Vignesh Sathiyanantham

There are lots of document and posts about GIT repos and commits, i wrote this like a note for future reference for me and my colleagues Firstly need to setup a bare repository SSH into the remote Unix machine and create a bare repo ssh git@asvignesh.in mkdir asvignesh_proj.git cd asvignesh_proj.git git init –bare Then move to the client machine, mkdir asvignesh_proj cd asvignesh_proj init git //Create Some files add * git commit -m “My initial commit ” git remote add origin git@asvignesh.in:/path/asvignesh_proj.git git push -u origin master Now your team can download / clone it git clone git@asvignesh.in:/path/asvignesh_proj.git

January 14, 2015 Vignesh Sathiyanantham

There is an updated rolled out for chrome today which adds adds a new menu in the top-right of the chrome browser that allows the user to manages the user accounts. Many people feels it as ugly and a bit obnoxious, If you are the one who doesn’t switch the accounts often here is the tip to disable the menu To disable it,head into your flags menu. Type in address bar chrome://flags Search the page for “Enable new profile management system” Change the drop-down menu to “Disabled” Restart Chrome That’s it. You’ll lose the user management menu and return to…

January 18, 2014 Vignesh Sathiyanantham 3Comment

You can change the name UBUNTU to any name by modifying the file lsb-release and issue, You can find that files under etc directory vignesh@vignesh-server:~$ sudo nano /etc/lsb-release DISTRIB_ID=Vignesh DISTRIB_RELEASE=0.1 DISTRIB_CODENAME=Test DISTRIB_DESCRIPTION=”Vignesh Testing” vignesh@vignesh-server:~$sudo nano /etc/issue Vignesh Testing n l Once you modified Reboot your machine and test uname or uname -a Enjoy…

July 15, 2013 Vignesh Sathiyanantham

Adjust your rotate and font size values as per your requirement <style type=”text/css”> #asvignesh-watermark { color: #d0d0d0; width: 100%; font-size: 198pt; -webkit-transform: rotate(-47deg); -moz-transform: rotate(-47deg); height: 100%; margin: 0; z-index: -1; left:-100px; top:-200px; position: absolute; } </style>

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May 19, 2013 Vignesh Sathiyanantham 10Comment

Openfire is a real time collaboration server licensed under the Open Source Apache License. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Setup Openfire in your windows ( chat server ) First setup web server and Database server Install WAMP or XAMPP ( Apache , MySQL , Php ) A web-based, “wizard” driven setup and configuration tool is built into Openfire. Simply launch Openfire and use a web browser to connect to the admin console. The default port for the web-based admin console is 9090. If you are on the same machine as…

May 5, 2013 Vignesh Sathiyanantham 1Comment

Recently, Google added an exciting feature to Google Drive “web hosting!” It allows you to host a website build on html , css , js in google drive build a website. And did I mention that it’s free? Yep, it’s just one of the little perks that comes with a Google account. You can see the live demo of my sample web page hosted in google drive https://googledrive.com/host/0BwA2EsYXn4Xea0huYzNrLWlwbkk/index.html In this post i explain you to host a website in google drive Requirements A google account Text editor / WYSIWYG editor for editing html / css / js Step One: Prepare…