Ruby is a pure object-oriented programming language with a super clean syntax that makes programming elegant and fun. Ruby successfully combines Smalltalk’s conceptual elegance, Python’s ease of use and learning, and Perl’s pragmatism. Ruby originated in Japan in the early 1990s, and has started to become popular worldwide in the past few years as more …
A regular expression (regex or regexp for short) is a special text string for describing a search pattern. You can think of regular expressions as wildcards on steroids. You are probably familiar with wildcard notations such as *.txt to find all text files in a file manager. The regex equivalent is .*\.txt$. But you can …
Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses, including web and desktop applications, networking, administration, testing and many more. Open source and business-friendly, Tcl is a mature yet evolving language that is truly cross platform, easily deployed and highly extensible. …
Ruby is a language of careful balance. Its creator, Yukihiro “matz” Matsumoto, blended parts of his favorite languages (Perl, Smalltalk, Eiffel, Ada, and Lisp) to form a new language that balanced functional programming with imperative programming. Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text …
Introduction – Magnet has the expertise to build a VoIP based extensible EPABX system. The system runs on standard PC hardware and provides scalability and advance feature set at a fraction of cost of similar solutions. Please click here for more details… We were facing Caller ID problem with Asterisk (PBX) since long time.. Finaly …
Introduction – Few days back somebody ask me about “How to swap data in two columns?”. Before that I have never thought about such situation… 1] Login to MySQL Server and create Datatabase – root@IndianGNU:/home/arun.bagul# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection …
SSH provides wounder facility to run linux command on remote machine, provided that you have SSH access to that machine… We can use this feature of SSH for troubleshooting purpose… for example suppose there is “logout” command in your “.bashrc” file of remote user. In this case you will not get ssh access until you …
January 16, 2008 Sun Microsystems, Inc. announced that it has entered into a definitive agreement to acquire MySQL AB, an open source icon and developer of one of the world’s fastest growing open source databases for approximately $1 billion in total consideration. The acquisition accelerates Sun‘s position in enterprise IT to now include the $15 …
One of the best methods to capture a Unix terminal session is to use the `script` command. In this example we start a script session, run a couple of commands, and then use the `exit` command to stop capturing the terminal session: $ script Script started, output file is typescript $ pwd /home/will $ ps …
Introduction – SSHDFilter is open source tool by which we can manage SSH service effectively and we can secure our system from brute force attack. This tools will block brute force attack by using IPtables. You can downaload the sshdfilter from the following location http://www.csc.liv.ac.uk/~greg/sshdfilter/ and then untar the tar.gz file… #wget -c http://www.csc.liv.ac.uk/~greg/sshdfilter-1.5.5.tar.gz #tar …