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Linux Tweaks Blog
Project for Sahil K.
“Sahil is a fantastic professional in his work and customer service! One can get a freelancer like him only in dream, its good luck for me to get him in real life, specially in the deep jungle of FL "professionals" His attitude in work, service, quality overall everything is TOP class +”abbakhan 2 ay önce
Project for Sahil K.
“Professional, fast and...knows what the job!!”paolonewage 2 ay önce
Project for Sahil K. -- 2
“Always a pleasure to work with Sahil!”Hannes M. 5 ay önce
Project for Sahil K.
“Great work!”Hannes M. 5 ay önce
Server expert nginx, apache, plesk
“Very good! I will hire sahil again and he did a great job! Recommend!!!”Hannes M. 7 ay önce
Configure Exim4 to perform MX lookup for outgoing email instead of delivering to local mailboxes
“He was very professional and skilled. While other bidders were not fully reading my brief which was very detailed and literal, he understood it immediately and quickly created a solution for me that worked the first time, without having physical access to the server - a sign of true knowledge unlike others who "Google" their way through. I'm very happy with the results and will definitely come back and will recommend others to him.”ajay894 7 ay önce
Linux Server AdministratorFeb 2014
System administration of multiple servers (Red Hat, Centos,OpenSuse,Ubuntu). Installation of different types of linux Distro with XenServer and VmWare Esxi for VPS Setup. Configuring Apache,Nginx Web servers, SSLs,Php,Php-FPM, Mysql Tuning. Worked with Mail server (Sendmail,iRedMail,Exim,Postfix) Worked with Git,Svn version control system. Bash Scripting for Automated backup of servers and monitoring servers. Varnish,Redis,Memcache installation and configuration. Nagios Monitoring Servers.
System AdminAug 2010 - Feb 2012 (1 year)
Installation of different types of linux Distro with ftp/http/network installation. Shell Scripting (Bash). Configuring apache web servers, SSLs,Php. Worked with Mysql Performance Tuning. Monitoring servers using Nagios open source tool. Worked with Sendmail,Postfix mail server. Package installation Using “Yum” ,”rpms”,”Zypper” and “Source”. Worked with OpenFire Internal messenger tool. Configured Tripwire for monitoring files. Worked with Git,Svn version control system. Created bash script for Automated backup of servers and monitoring servers. Server Optimization with different application. Configuring Tomcat,Java Bridge for Payment Gateway.
B.Tech.2006 - 2010 (4 years)
M.Tech.2012 - 2014 (2 years)
Red hat Certified Engineer (2009)Engineering College Bikaner
Certification for Linux Administration
ECR(Encryption with Cover Text and Reordering) based Text Steganography
This paper presents ECR(Encryption with Cover Text and Reordering) based text steganography approach which works on simple encryption technique using ExOR Operation of to characters and reorder them which would be more secured and hard to fetch original message from enciphered text. Our encrypted text is reordered using Eight bit random key for hiding our data in a more secure way. Our Eight bit random key will contain four number of zero and four number of one where one bit describes our encrypted text and
PDAC (Parallel Encryption with Digit Arithmetic of Cover Text) Based Text Steganography
This paper presents an efficient text steganography approach based on simple mathematical calculation and parallelism. In this approach we are doing simply addition and subtraction with the digits of ASCII code of each character of cover text and then this new digits will use to encrypt our plaintext. For enhancing the performance of our algorithm we use parallelism for encryption. In this approach one character of cover text hides four character of plaintext so it will increase the performance such as me
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