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How to Backup Oracle Database using RMAN (with Examples) 27 Aug 2013 | 05:00 pm
Even if you are not an Oracle DBA, you’ll still encounter a situation where you may have to take a backup of an Oracle database. Using Oracle RMAN, you can take a hot backup for your database, which w...
How to Enable SSH on Cisco Switch, Router and ASA 22 Aug 2013 | 05:00 pm
Q: I have a Cisco switch in my network, which I can access by hooking up a console cable directly to the device. I like to access the switch remotely using SSH. How can I enable ssh on my Cisco 3750 C...
How to Use C++ Single and Multiple Inheritance with an Example 21 Aug 2013 | 05:00 pm
Inheritance is the property by which a class can inherit data members and functions of another class. In this case, the class which is inherited is known as base class while the class which inherits i...
20 Tips to Unclutter and Simply Your Life 20 Aug 2013 | 05:00 pm
Whether it is coding, sysadmin, or life in general, I like to keep things simple. Don’t write a line of code that is not required, don’t install and configure something that is not required, don’t des...
How to Hide Apache Tomcat Version Number from Error Pages 15 Aug 2013 | 05:00 pm
Question: I’m running Apache Tomacat server. How do I hide the Tomcat version number from the error pages? Answer: Apache Tomcat server is for Java Servlet and JSP. When you call a page that doesn’t e...
15 Python Array Examples – Declare, Append, Index, Remove, Count 14 Aug 2013 | 05:00 pm
An array is a data structure that stores values of same data type. In Python, this is the main difference between arrays and lists. While python lists can contain values corresponding to different dat...
7 Linux hwclock Command Examples to Set Hardware Clock Date Time 13 Aug 2013 | 05:00 pm
The clock that is managed by Linux kernel is not the same as the hardware clock. Hardware clock runs even when you shutdown your system. Hardware clock is also called as BIOS clock. You can change the...
Perl Testing with Test::More use_ok, can_ok, is, isnt, like, unlike Functions 9 Aug 2013 | 05:00 pm
In our previous test automation article, we learnt about how to write testcases for a simple perl script using Test::Simple and prove command. In this tutorial, we’ll explore advanced perl testing fun...
How to Use C Structures, Unions and Bit Fields with Examples 8 Aug 2013 | 05:00 pm
Structures, Unions and Bit fields are some of the important aspects of C programming language. While structures are widely used, unions and bit fields are comparatively less used but that does not und...
How to Change Process Priority using Linux Nice and Renice Examples 1 Aug 2013 | 05:00 pm
Every running process in Unix has a priority assigned to it. You can change the process priority using nice and renice utility. Nice command will launch a process with an user defined scheduling prior...
