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How To List Linux Pci Devices Using lspci Command

Peripheral component interface is a computer bus used for attaching the hardware devices in a computer. “lspci” command is used in Linux operating system to display all the information about these PCI buses of the system and devices which are attached to the system. By this lspci command, we can get the full detailed information like […]

April 23, 2011 | By
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Step by Step to Create LVM Mirroring in Linux

In the computer world, storage is the most important factor. If data is lost, then everything is lost for the organization or company. Initially, data is stored in normal disks, it does not have the flexibility to manage the data and it is very complicated and disaster for recovery management. To achieve flexibility and goal of the […]

April 23, 2011 | By
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How To Use Screen And Script Command In Linux

The screen is a terminal multiplexer. Using this, you can run any number of console-based-applications, interactive command shells, course-based applications, etc. You can use screen to keep running program after you accidentally close the terminal, or even after you log out and later resume right wherever you are. You can start screen just by typing screen at […]

April 23, 2011 | By
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12 Different Options of Rsync Command in Linux With Examples

For organizations and companies, data is the most important factor. Especially for E-commerce business, data is very critical for them. Rsysnc is a tool or software which helps taking backup of critical data over the network. It is also used to network protocol for Unix-like and Windows systems that synchronizes files and directories from one system […]

April 23, 2011 | By
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How To Use Linux Route Add Command

Routing is the way that computers communicate on a local network or over internet. When you want to talk to someone, you need to know his position and how you can join it. To communicate over a network (big or not), computers need to know the path to take and this is possible with routers […]

April 23, 2011 | By
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Few Netstat Command Example Useful For Daily Usage

In Linux operating system, many services are running. All services are client and server architecture based; hence networking is must to communicate with another system or to external world through internet. To monitor the network, we use netstat to get statistic of the network and information such as connection, routing tables and interface statistics. Most of the Linux […]

April 23, 2011 | By
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How To Use df Command To List Filesystem Mount Points

In linux df command is used to display the amount of total and free disk space available on the mounted file systems. Using df options you can find used blocks, inodes and free space available in the file system. In Linux, there are lots of others tools like ncdu, crusader, KDiskFree, Gnome Disk utility to […]

April 23, 2011 | By
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Move User Accounts From Linux Server To Another Linux server

In Linux, user administration is very important because every process in Linux is owned by a user. Users can be people, accounts tied to physical users or accounts which exist for specific application. Linux user can be divided to two types, one is system users and another one is normal user or application users. The […]

April 23, 2011 | By
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Can Linux sfdisk Tool Used Instead Of Fdisk

sfdisk is a partition table manipulator for Linux. The uses of sfdisk main are list the size of the partition, list the partition on a device and check the portions on a device and repartition a device. sfdisk utility will read from the standard input if any commands have to perform. You can copy a […]

March 20, 2011 | By
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Network Traffic Capture In Linux - Tcpdump Examples

tcpdump is a tool used for network packet capturing or packet analyzer that works for most of the unix-like operating systems. Also you can call as packet sniffer that operates on packet level. It allows users to capture and display TCP/IP and other packets being transmitted or receive over network to which computer is attached. Tcpdump tools […]

March 20, 2011 | By
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How To Find Network Interface Details Using Linux Mii-Tool

Both mii-tool and ethernet tool allow linux system administrator to modify or change or check the network interface card. Both the tools can be used for diagnostic and identification of ethernet devices. Even you can control the links, set the auto negotiation mode, set the simlex, halfduplex or fullduplex mode. (Simplex, half duplex and full duplex […]

March 20, 2011 | By
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How To Extend LVM Partition Online In Linux

For some reasons, sometimes we need to extend our storage. If you are using LVM on your Linux, here are some tips to extend your LVM partition online. We are using Oracle Linux 6.5 and RHEL 3 & RHEL 4. Please note, that all this command must be run using root privileges. 1. Scenario 1: Extend storage […]

March 20, 2011 | By
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Linux Scan for New Scsi Device to Detect New Lun Without Reboot

This will scan the scsi host and there is no need to reboot to make devices (luns) visible. echo "- - -" > /sys/class/scsi_host/host#/scan Verify fdisk -l tail -f /var/log/message Replace host# with actual value such as host0. You can find scsi_host value using the following command: # ls /sys/class/scsi_host Now, type the following to […]

March 20, 2011 | By
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Linux Install Network Or Ethernet Card In Linux

How to install a Network card in linux. There are different ways of installing a network card in linux- and that too depending on the linux distribution that you are using. I will explain each one of these methods here. 1) The Manual method First open the computer case and insert the network card into […]

March 20, 2011 | By
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