What Exactly is HeartBleed bug ?
This bug allows hackers to reads sensitive data from the memory of victim host in 64 k chunks. The memory can have user names , passwords , decrypted information or certificates & keys or other confidential information.
Windows Xp support is stopping on April 8, 2014 and one of the issues is that when you migrate to current Windows operating systems ( windows 8 ) old ie browsers are not supported for installation. Current OS Windows 8 comes with ie 10 and older versions of ie are not supported.
The biggest problem is that many of corporate applications which are designed long back and no longer supported may still need older ie 7 , 8 or 9
What Is Hadoop?
Apache Hadoop is an open source software frame work developed by Apache Hadoop Project.
The framework allows distributed data processing spread over a large number of computers.
Hadoop 2.x is the latest version with major changes in its architecture & current release is 2.3.0 , released on 20 February, 2014.
Got a email* today today that adminschoice.com searches on google.com are resulting in pharmacy spammy urls and contents. It took around three hours to find out what is happening and fixing it. Finally the site should be free of spam now. It may take a while to update google index entries but redirect is not happening any more.
Unix date format is needed in the scripts, timestamped log files and script generated reports . This article attempts to simply date formatting with several examples . Date command in Unix is used to format date as well as time . First portion of this article covers Date function and the second portion has the time function covered .
This document contains an overview of the principal RPM commands for installing, uninstalling, upgrading, querying, listing, and checking RPM packages on your Red Hat Linux system.
This document uses apache rpm httpd-2.0.49-4.i386.rpm , as an example.
Passwordless access for ssh and sftp , How to do sftp & ssh without password – Step by Step
This a real life example of configuring passwordless access for two users . The user ‘web’ in this case needs a secure password less access to another user james in a server ‘devserver’
Date time formatting in PHP
Many scripts written in php need date and time function . PHP has many predfined date formats and you can also customized it as per your need .
Here are some of the date format examples and additional details for php.
NISplus is network which allows you to store client information at a
central place where all the clients have access. This enables system
administrators to manage a group of servers from a central place.
This article discusses the nisplus objects, installation of servers ,clients and administration commands.