Linux supports SCSI, IDE and old floppy based tape devices. Each device has unique name just like hard disk drives. Digital Data Storage (DDS), Digital Audio Tape (DAT) and Digital Linear Tape (DLT) all are supported by Linux and widely used in industry for backup purpose. SCSI tape device names The st driver provides the [...]
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Q. Can you explain the role of the system administrator? A. The person who is responsible for setting up and maintaining the system is called as the system administrator. System administrators may be members of an information technology department. Most of the following discussion also applies to network and Windows system admins. Duties of a [...]
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Q: Sometime when I use chmod command under Suse Linux, I am getting following error message: changing permissions of ‘FILENAME’: Operation not permitted A: If you are using UNIX you will get error as follows: chmod: Not owner. Remember, only the owner of a file or directory can set its permissions. Use ls -l to [...]
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Can you specify rules for naming file and directory names under Linux and UNIX operating systems?
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Q. What happens when a hard disk fails in RAID 5? How many hard drive can fail in RAID 5?
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To send an email from console you need to use mail command, which is an intelligent mail processing system which has a command syntax reminiscent of ed with lines replaced by messages. To send an email to somewhere@domain.com you need to type following command: $ mail somewhere@domain.comOutput: Subject: Hello Hai, How are you? Hope so [...]
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Q. How do I delete user Password under Linux? I’d like to disable a password for an account. A. All user encrypted passwords are stored in /etc/shadow file. The quick way to remove/delete a user password is pass –delete option to passwd command. First, login in as a root user. Command to delete user password [...]
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