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    • 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 Backup Unix

      How to Backup Unix

      Most Unix systems come with several basic backup software options, including dd, cpio, tar, and dump. If the basic backup software included with Unix does not meet your needs, you may want to look at some of the more comprehensive software packages designed to backup Unix and Windows systems. Built-in Unix Backup Software tar tar

    • Where to Download Unix

      Where to Download Unix

      Free derivatives of Unix can be easily downloaded via the Internet. This sets Unix apart from other proprietary operating systems like Microsoft Windows. The different Unix versions and Unix-like operating systems available for download include FreeBSD, OpenBSD, Red Hat Fedora Linux, Debian Linux, Ubuntu Linux, and Sun Solaris. Those who are new to Unix or

    • How to Find Out CPU Utilization in UNIX

      How to Find Out CPU Utilization in UNIX

      Keeping track of your CPU’s performance is extremely important. In UNIX, you can accomplish this task by using the system utilities and commands. For those who would like to find out their CPU utilization, one command is extremely important. It is called SAR – System Activity Reporter. The SAR commands make accessing CPU performance quite

    • How to Change a Unix Password

      How to Change a Unix Password

      To change your Unix password, use the `passwd` command.  Unless you are the “root” user, you will need to know your current password to set a new one.  If you have forgotten your current password, you will need to contact the “root” user to have your password reset. Here is an example of the user

    • Sudo

      Sudo

      `Sudo` is an enhanced alternative to the Unix `su` command. Sudo stands for “su do,” and means “do something as the supervisor.” Sudo’s Capabilities Sudo allows system administrators to control who can run some (or all) commands as root. This ability to restrict users can be configured on a per-host basis, and is a much

    • How to Tell what Shell You’re Using

      How to Tell what Shell You’re Using

      Whatever operating system you choose, a shell will be an important part of it. A shell is usually defined as software that provides the end user with an interface. In technical terms, the shell is the part of the software that gives you access to the kernel. The term shell is used freely and can

    • How to Use the Unix Sort Command

      How to Use the Unix Sort Command

      The Unix sort command is a command for the Unix family of operating systems. It is designed to sort whatever information you give it. The command can be used for a variety of purposes, but it is most frequently employed when there are a number of different files which need to be ordered in some

    • How to Change an IP Address on Solaris

      How to Change an IP Address on Solaris

      To change an IP address on a Solaris system immediately, use the `ifconfig` command. The syntax for `ifconfig` is: ifconfig <interface> <ip address> <netmask> <broadcast address> If the user does not know his/her network interface names, he/she should use the `ifconfig -a` command to list all of the available network interfaces. Permanently Change an IP

    • LinuxCAD

      LinuxCAD

      CAD programs can be an exciting and helpful tool when designing blueprints for a house, vehicle, or electrical circuit. One of these programs is the popular LinuxCAD software that allows you to edit and create a number of blueprints and schematics under the Linux operating system. LinuxCAD comes with many features that other CAD programs

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