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    • How to Use the Grep Command

      How to Use the Grep Command

      The grep command is a search command built into a variety of Unix based operating systems. This command line utility, whose name stems from the original Unix term which means “search globally for lines matching the regular expression, and print them,” can be accessed using the command line or terminal from anywhere in the Unix

    • How to Use the Unix Top Command

      How to Use the Unix Top Command

      Top is a small, but powerful program on both Unix and Linux systems. Its purpose is to allow users to monitor processes on their system. It has two main sections. The first displays general information such as the load averages, number of running and sleeping tasks, and overall CPU and memory usage. The second main

    • How to Create a Cron Job

      How to Create a Cron Job

      Unix users write, edit, list, and remove cron jobs using the `crontab` command. `crontab -e` takes users into their default editor to edit their crontab entries. `crontab -l` lists their crontab. `crontab -r` removes their crontab. crontab Security If the cron.allow file exists, then the user must be listed in that file in order to

    • How to Install Linux on an Xbox

      How to Install Linux on an Xbox

      For hardcore gamers, the Microsoft Xbox is one of the top consoles ever created. The hardware itself is on par with many desktop computers of just a few years ago, which gave many hackers the great idea of actually making their Xbox into a computer fully equipped with a DVD ROM drive, keyboard, mouse, and

    • How to Use the Unix Find Command

      How to Use the Unix Find Command

      The Unix find command, as the name implies, is a command that you can enter into the command line, or terminal, of a Unix operating system, allowing you to process any given set of files or directories. It is a highly useful command that you can take advantage of on Unix based operating system, making

    • Bootable Linux Distributions

      Bootable Linux Distributions

      Bootable distributions of the Linux operating system are becoming very popular for use in securing networks, testing network security, and conducting forensics after suspected intrusions. Local Area Security Linux Local Area Security Linux is a ‘Live CD’ distribution with a small footprint. Containing over 200 information security and administration related tools, as well as a

    • How to Change a Hostname on Solaris

      How to Change a Hostname on Solaris

      Solaris makes it unreasonably difficult to change an installed server’s hostname. To change the hostname on a Solaris system, edit all of these files: /etc/hosts /etc/nodename /etc/hostname.* /etc/inet/ipnodes When file editing is complete, reboot the server to test the changes and ensure that they operate correctly. Note that changing the hostname only changes the name

    • Linux

      Linux

      Linux is a free, open source operating system that competes with the Windows Operating Systems and Mac OS X. Linux is widely used on a number of devices such as servers, desktops, laptops, smartphones, PDAs, game consoles, tablet computers, supercomputers, and mainframes. Linux controls only about 4.9% of the market share of desktop computers while

    • Configuring a Linux DHCP Server

      Configuring a Linux DHCP Server

      DHCP is the dynamic host configuration protocol. In other words, it describes how your computer is connected to networks. Assigning an IP address dynamically is a basic task assigned to DHCP along with domain name, name server, gateway, host name and net mask. DHCP can provide other information like time server and has a capability

    • Unix Shell Scripting Tutorials

      Unix Shell Scripting Tutorials

      Unix Shell Scripting Tutorials This Unix shell scripting tutorial provides samples and instructional materials that are easy to understand and useful for Unix shell scripting. It also offers illustrated samples that will helps users explore different avenues of Unix shell scripting.   Bourne Shell Programming Tutorial Learn how to use the Unix shell with this

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