On Debian Lenny (and previous versions of Debian), you might have got tired of seeing a blue box with black background for GRUB when the Linux was booting up. But starting from Debian Squeeze, GRUB adds a background image which looks good (better than the boring background colors). This article explains how to change the [...]
2012
Groff stands for GNU troff. Groff is typically used to create man pages. But, it does more than that. Its an old school utility which has been around for almost 20 years but still holds its presence. As a formatting and typesetting engine, this utility acts like a compiler for the input supplied (plain text [...]
Objdump command in Linux is used to provide thorough information on object files. This command is mainly used by the programmers who work on compilers, but still its a very handy tool for normal programmers also when it comes to debugging. In this article, we will understand how to use objdump command through some examples. [...]
SQLite3 is very lightweight SQL database which focuses on simplicity more than anything else. This is a self-contained serverless database engine, which is very simple to install and use. While most of the commands in the SQLite are similar to SQL commands of other datbases like MySQL and ORACLE, there are some SQLite SQL commands [...]
SNMP stands for Simple Network Management Protocol. It was created in 1988. The purpose of its creation was to manage a growing number of network elements in a computer network. Slowly, this protocol started becoming popular and it forms the basis of network management today. This article is the first part on our ongoing series [...]
Strip command is used mostly in situations where you want to produce a production quality object file which contains minimum required information so that it can be light weight. You can also use it if you don’t want your executable or object file to get reverse engineered. In this article, we will understand the usage [...]
Sometimes it is required to quickly determine details like kernel name, version, hostname, etc of the Linux box you are using. Even though you can find all these details in respective files present under the proc filesystem, it is easier to use uname utility to get these information quickly. The basic syntax of the uname [...]
lsof stands for List Open Files. It is easy to remember lsof command if you think of it as “ls + of”, where ls stands for list, and of stands for open files. It is a command line utility which is used to list the information about the files that are opened by various processes. [...]
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about