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linux

Samba File Share Service

Install and start samba server: # yum install samba # service smb start # chkconfig smb on   Add users and group: # useradd user01 # passwd user01 # useradd user02 # passwd user02 #…


is

NIS : Network Information Service

An NIS system maintains and distributes a central directory of user and group information, hostnames, e-mail aliases and other text-based information in a network. Though not the core purpose, NIS can be used for centralized…


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Linux SWAP Memory

Listed delow is the procedure to create a swap space in Linux: # fdisk /dev/sda : Create a partition in Linux # mkswap -v1 /dev/sda10 : Make and format swap partition using this command #…


redhat

Redhat Linux User Administration

User ID = uid. The uid of root is 0. UID from 1 to 499 is reserved for system services such as the user apache, nagios, etc The first user created by root will always…


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Redhat Package Manager (RPM)

Set of binary files, which are compiled programs. This is similar to add/remove programs in windows. RPM is used to manage installation packages including installation and un-installation. The database that contains information of all rpms…


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Linux File Attributes

Listed below are few attributes that can be assigned to a file: # chattr +i /etc/passwd : i = immutable (cannot remove, edit, rename or move) # chattr -i /etc/passwd : Remove the above attribute…