Archive for the ‘Advanced Level Linux Professional (LPIC-2)’ category

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Installation and Development of LDAP (Lightweight Directory Access Protocol)

November 3rd, 2009

LDAP is a protocol that helps us to access the database on different types of platforms. To implement LDAP on a Linux server, you need to download OpenLDAP Software. It is open source software. OpenLDAP Software comprises mainly two basic daemons:

  • slapd (Stand-alone LDAP daemon)
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Posted in Advanced Level Linux Professional (LPIC-2), Linux Professional, Senior Level Linux Professional (LPIC-3)

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What is chage command?

September 10th, 2009

The chage command is used for changing user password expiry information.

Syntax:

chage [-m mindays] [-M maxdays] [-d lastday] [-E expireday] [-I inactive] [-W warndays] [-l] user

The functions of the switches are as follows:

Switch Meaning
-m Minimum number of days between each successive password change.
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Posted in Advanced Level Linux Professional (LPIC-2), CIW Professional, Junior Level Linux Professional (LPIC-1), Linux Professional, Master CIW Administrator, Master CIW Web Site Manager, UCP

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What is chage command?

July 17th, 2009

The chage command is used for changing user password expiry information.

Syntax:

chage [-m mindays] [-M maxdays] [-d lastday] [-E expireday] [-I inactive] [-W warndays] [-l] user

The functions of the switches are as follows:

Switch Meaning
-m Minimum number of days between each successive password change.
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Posted in Advanced Level Linux Professional (LPIC-2), CIW Professional, Junior Level Linux Professional (LPIC-1), Linux Professional, Master CIW Administrator, Master CIW Web Site Manager, UCP

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Installation and Development of LDAP (Lightweight Directory Access Protocol)

July 13th, 2009

LDAP is a protocol that helps us to access the database on different types of platforms. To implement LDAP on a Linux server, you need to download OpenLDAP Software. It is open source software. OpenLDAP Software comprises mainly two basic daemons:

  • slapd (Stand-alone LDAP daemon)
This is a preview of Installation and Development of LDAP (Lightweight Directory Access Protocol). Read the full post (729 words, 15 images, estimated 2:55 mins reading time)
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Posted in Advanced Level Linux Professional (LPIC-2), Linux Professional, Senior Level Linux Professional (LPIC-3)

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How to install LDAP?

July 13th, 2009

To implement LDAP on a Linux server, you need to download the OpenLDAP software. It is open source software. The OpenLDAP software comprises mainly two basic daemons: slapd and slurpd. OpenLDAP can be installed in either of the following two ways:

  1. Use apt-get/dpkg to install the binary package:

This is a preview of How to install LDAP?. Read the full post (88 words, 3 images, estimated 21 secs reading time)
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Posted in Advanced Level Linux Professional (LPIC-2), Linux Professional, Senior Level Linux Professional (LPIC-3)

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What is 3DES?

July 9th, 2009

3DES, also referred to as triple DES, is a mode of the Data Encryption Standard (DES) encryption algorithm. 3DES uses three 64-bit keys to encrypt data thrice. Primarily, it encrypts data with a 64-bit key. Then, the output data is again encrypted with the second 64-bit key. Finally, the third 64-bit key is used for encryption. DES uses the block cipher method to break a data file into 64-bit blocks, which are then encrypted.

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Posted in Advanced Level Linux Professional (LPIC-2), Linux Professional

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What is a hot spare disk?

July 8th, 2009

A hot spare disk is a hard disk drive that is flagged for use in case another drive in the RAID array fails. If a hot spare disk is configured with a RAID array, and a disk in the RAID fails, the hot spare disk is immediately available for the RAID to start rebuilding the RAID data. As soon as the rebuild is completed, the RAID array becomes fully functional without affecting the performance. All the RAIDS (0, 1, 3, 5, etc.) support hot spare disks.

Pass LPI 117-201 - Advance Level Linux Professional (LPIC-2) Download practice question and study guide for XK0-002 for exam.
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Posted in Advanced Level Linux Professional (LPIC-2), Linux Professional, Linux+

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What is /dev directory?

June 29th, 2009

The /dev directory contains files that represent access points to the devices installed on a Linux computer. These devices include terminal devices, floppy disk drives, hard disk drives, RAM, CD-ROMs, etc.

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Posted in Advanced Level Linux Professional (LPIC-2), CIW Certified Security Analyst, CIW Professional, Linux Professional, Linux+, Master CIW Administrator

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What is IFCONFIG command?

June 29th, 2009

IFCONFIG is a command-line tool, which is used for network interface management. Following are some of the options used with the command:

  • up: This option is used to activate the specified interface.

  • down: This option is used to deactivate the specified interface.

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Posted in Advanced Level Linux Professional (LPIC-2), CIW Professional, Junior Level Linux Professional (LPIC-1), Linux Professional, Master CIW Administrator, Master CIW Web Site Manager, UCP

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What is INETD daemon?

June 29th, 2009

Linux uses INETD daemon to control most of the network services. INETD handles communication for these services by listening on their specific TCP/IP ports. When a request comes in, INETD enables the services required for processing the request. The /etc/inetd.conf configuration file is used to keep the configuration information of the services.

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Posted in Advanced Level Linux Professional (LPIC-2), CIW Certified Security Analyst, CIW Professional, Junior Level Linux Professional (LPIC-1), Linux Professional, Master CIW Administrator, Master CIW Web Site Manager, UCP

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