INIT TAB

What’s a run-level? A runlevel is a preset operating state on a Unix-like operating system.   The are differences in the runlevels according to the operating system. Seven runlevels are supported in the standard Linux kernel (i.e., core of the operating system). They are: 0 - System halt.1 - Single user.2 - Multiple users with no NFS.3 - Multiple users under the command line.4 - User-definable.5 - Multiple users under a GUI.6 - Reboot  Details::::::::::::::: ...

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SAMBA SERVER CONFIGURATION

 SAMBA SERVER  WHAT IS SAMBA SERVER?           Samba is used to allow users to share and use files, folders and printers between Linux and Windows systems. In this hashrootz tutorial let us see how to install and configure samba server.          Resource sharing, like file systems and printers,...

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FTPSERVER CONFIGURATION IN REDHAT/CENT OS

  FTP SERVER CONFIGURATION IN REDHAT/CENT OS   What Is Ftp? The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files from a server to a client using the Client–server model on a computer network.   How FTP works Step a: Client connects to server on port 21. Step b: Server responds and ask for authentication. Step...

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Disk management

1>  FDISK COMMAND                DISPLAY PARTITIONS                CREATE PARTITION                DELETE PARTITION 2>  FORMATING/CREATE...

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GROUP MANAGEMENT

     Group information is stored in the /etc/group file. Each record has the following format [Group name]:[Group password]:[GID]:[Group members]     [Group name] is the name of group.     An x in [Group password] indicates group passwords are not being used.     [GID]: same as in /etc/passwd.    ...

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TRickZ And TipS

# grep --color 'jishnus account ' /etc/passwd : show the selected colour in colour   pkill -KILL -u {username:: logout any user    The /etc/rc.d/rc.local : To add startup programs   script is executed by the init command at boot time or when changing runlevels. Adding commands to the bottom of this script is an easy way to perform necessary tasks like starting special services or initialize devices without writing complex initialization...

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Linux Basic File Permissions

Viewing Ownership and Permissions In Linux, each and every file is owned by a single user and a single group, and has its own access permissions. Let's look at how to view the ownership and permissions of a file. The most common way to view the permissions of a file is to use ls with the long listing option, e.g. ls -l myfile. If you want to view...

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Swap Memory Management

5.1. What is Swap Space? Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. While swap space can help machines with a small amount of RAM, it should not be considered a replacement for more RAM. Swap space is located...

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