Posts Tagged ‘Linux’

How to configure auto locking screen in Ubuntu

If you step away from your Ubuntu desktop for a short while it will automatically lock the screen to prevent others from accessing your files or programs. This feature is included for security reasons. Auto locking is security feature. The lock screen prevents unauthorized access. It is useful in public settings. But when you’re alone […]

Extract tar files in Linux

Many of beginners dont know how to extract tar files in Linux. What is tar file? TAR actually stands for tape archive. This is a standard format in Unix/Linx. TAR files are the most popular form of archive used on a Unix/Linux system. The extension is .tar.gz or .tar.bz2 Extract tar files in Linux:

How to Create Virtual Machine

Virtual machine (VM) is an emulation of a computer system. Virtual machines are based on computer architectures and provide functionality of a physical computer. Their implementations may involve specialized hardware, software, or a combination.

How to get list of users in Linux

The /etc/passwd file is used to keep track of every registered user that has access to a system. Sometimes, we want to know the list of local users. If we want to get list of users in terminal, run below command. cut -d: -f1 /etc/passwd If we want to save this output in file, then […]

Putty installation and configuration

PuTTY is a open source software application for windows. Which is used to make an SSH connection to the server. 1) Download the putty from 2) Double click on putty-xx-installer.exe

Difference between Windows and Unix

Windows Unix It is graphical User Interface It is Command Line Interface This is thread based concept This is processs based concept To boot Windows operating system 12MB RAM is required To boot Unix operating system 2MB RAM is required In Windows if any user process killed, it effects all. In Unix,if any user process […]

Differences between hard link and soft link

What is link Unix: To give a pointer to the source file called as a link. In Unix/Linux there are two types of links 1. Soft link and 2. Hard link. Soft Links Hard Links The inode number for the source file and link file are different Source file and link file has same inode […]

Install PostgreSQL on Linux

PostgreSQL is open source RDBMS. Please follow below steps to Install PostgreSQL on Linux. We are installing on Redhat Linux. 1. Download from EnterpriseDB. 2. Copy the tar file and unzip it by running following commands. gunzip ppasmeta- tar xf ppasmeta-

How to find ip address on Linux

This is basic tutorial for unix/linux administrators to findout the ip address of Linux machine/host. Following are the different commands to findout the ip address. 1. Using /sbin/ifconfig

Sybase Installation on Linux

Sybase ASE is RDBMS database. Most of finance institutions are using sybase as their database product. Sybase Installation on Linux Step by Step guide: Download Sybase ASE software from SAP Site, then unzip the ase160_linuxx86-64.tgz. 1. Open the terminal and navigate to Sybase ASE extracted file. 2. Then, run the setup.bin file to start Sybase […]

Powered by k2schools