Posts tagged as:

root user

How To Restart Networking Service In Linux

by lifeLinux on September 16, 2011

How to start/stop/restart networking service under Linux operating systems after making changes to IP configuration from a shell prompt ?

{ 1 comment }

Linux Shutdown Command

by lifeLinux on August 24, 2011

shutdown command brings the system down in a secure way. All logged-in users are notified that the system is going down, and login is blocked. It is possible to shut the system down immediately or after a specified delay. All processes are first notified that the system is going down by the signal SIGTERM. This […]


How To Display All Cron Jobs On Linux

by lifeLinux on August 22, 2011

Using cron is via the crontab command which allows you to view or edit your crontab file, which is a per-user file containing entries describing commands to execute and the time(s) to execute them.


How To Find Hard Drive Specifications

by lifeLinux on May 19, 2011

There are many tools to get hard drive information such as smartctl, hdparm, hwinfo… In this article, i will use hdparm command which provides a command line interface to various hard disk ioctls supported by the stock Linux ATA/IDE device driver subsystem.


How to install IPTables on RedHat / Centos Linux

by lifeLinux on April 24, 2011

iptables is a user space application program that allows a system administrator to configure the tables provided by the Linux kernel firewall (implemented as different Netfilter modules) and the chains and rules it stores. Different kernel modules and programs are currently used for different protocols; iptables applies to IPv4, ip6tables to IPv6, arptables to ARP, […]

{ 1 comment }