Vim package is one of open source text editor on terminal in Linux system, this tutorial will explain how to use this tool on your terminal.

GlassFish Server is an Open Source provides a server for the development and deployment of Java Platform, Enterprise Edition applications and web based application on Java. his post describes about How to install the GlassFish Server 4.1 and start the server on system.

On previous post has discussed about install Httrack software on Ubuntu. While installing if you may get an error,httrack: error while loading shared libraries: libhttrack.so.2 cannot open shared object file: No such file or directory

Httrack is an open source software, its used for easy to use offline browser utility. Httrack allows to download a world wide web sites like, recursively all the directories, HTML, Images and other files from the internet to a local system.

Find is an one of the versatile command and very useful to searches files, directory tree hierarchy on Linux and Unix. It's have many options and types for searching files from the directories. The following commands given different outputs,

geoiplookup command is to get the Country that an IP address or Hostname use the GeoIP library and database. These online services and its freely available GeoIP databases such as those from MaxMind.

If you may get an error while installing or configuring package in your Linux system, configure error Zlib header zlib.h not found. Tor requires zlib to build. You may need to install a zlib development package.