Working With history

Most Shells Provide Powerful mechanism for handling History that helps you to recall commands or repeat them. This is very helpful when executing a long command. The History command available in the Bash shell shows you the available commands executed until now much like,  [root@vx111a ~]#  history   989  cd domains/   990  ll   991  clear   992  cd foo_domain/   994 ...

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Connecting To Weblogic JVM

Working as an Application System admin, I need to work very closely with Weblogic and JBoss. Since JBoss runs mostly on JDK versions, Weblogic has one more jdk available called JRocket.  Most of the production servers contains Weblogic will be running on JRocket jvm since it provides some benefits that normal jdk. In this article we will see how we can communicate with Weblogic serer that started using JRocket jvm...

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Exploring the /etc/fstab

Fstab file is one of the most important file in linux. The main use is that it maps devices to locations so that devices can be used. It contains information of all the partitions and storage devices in your computer. We need to have root privileges for modifying the file. A basic structure and some contents of the file will look like this, Device / root   /home swap    ...

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Package Management

Previously Linux programs used to come in source code with all files, configuration stuff so that the user has to build them to work. Now days they are coming in the form of packages which ship ready for installation. In this article we will see the available package management tools in linux. Package management system is a collection of tools to automate the process of installing, upgrading, configuring, and removing software...

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