Cloud Applications

How to add a hard disk overview to linux: add a 15 GB hard disk 170fdisk-l to list all hard disks. 171 sudopvcreate/dev/sdb ---------- sdb is the newly added physical disk, which is ready for lvm to use 172sudovgcreate12c... how to add a hard disk

Vim sets the font and encoding formats. it usually works in a Linux environment and only windows is available when it returns home. But I am a little used to vim, so I plan to use gvim to write code on windows. There are some unpleasant places in

The strace debugging tool is used to track system calls during process execution and received signals, including parameters, return values, and execution time. In Linux, to access system devices, user programs must switch from user mode to kernel

Linux_004 _ disk and file system Linux_003 _ system settings and Vim http://www.2cto.com/os/201304/205465.html 1. basic Concept of disk cylinder (cylindrical) sector (sector) head (head)/dev directory, the IDE device starts with hd, usb, sata, SCSI,

The network configuration after centOS is installed on the VM took some time to study the network configuration of the linux virtual machine on the VM. 1. environment host: winXPSP2, home broadband, Lan connected to the router, IP address: 192.168.1.

Ubantu cannot access the internet. Solution: network configuration: first, if it is the first time that the network can be accessed, it will not be able to be accessed after being disconnected. you just need to restart the network, there are no

SVN frees some files of the project from version control @ echoOn @ Rem deletes the SVN version control Directory @ PROMPT [Com] @ for/r. % ain (.) do @ ifexist & quot; % \. svn & quot; rd/s/q & quot; % \. svn & quot; @ Remfor/r. % ain (.) SVN frees

In Linux, it is recommended to modify the IP address vi/etc/sysconfig/network-scripts/ifcfg-eth0DEVICEeth0BOOTPROTOnoneBROADCAST192.168.1.255IPADDR192.168.1.33NETMASK255.255.25 in Linux by modifying the nic ip address and gateway by using terminal

Description of linuxnc command parameters and usage 1. function description: powerful network tool netcat 2. Syntax: nc [options] [options]-d background mode-eprog program redirection, once connected, run the [dangerous!] command. -G & lt; gateway &

In Linux, view the process script that occupies swap 01 #! /Bin/bash0203 #################################### ######################################## #04 # Script functions: list the processes that are occupying swap. 05 ################### Linux

Linux shell change: recently, due to an attempt, I installed and set the highly recommended zsh, replacing the default bash. after a while, I found a lot of problems, but the same problem is also exposed, for example, there is a problem with

Install the partition tool GParted64-bit RHEL5 on the RHEL5 server to install the GParted partition tool. the server cannot connect to the Internet or be installed online from an Internet image. Gparteddepends on many yumpackets. for details, see

Differences between Linux $ () and $ {} may occur to beginners ~ The usage of $ () is the same as that of the back quotes '', which indicates the command that is preferentially executed, such as ls-l $ (locatebuild. xml), indicating that the build

View the Linux Version method rpmCentOSLinuxrelease # lsb_release-aLSBVersion: core-4.0-amd64: core-4.0-ia32: core-4.0-noarch: graphics-4.0-amd64: graphics-4.0-ia32: graphics-4.0-noa view Linux Version method rpmCentOSLinuxrelease # lsb_release-aLSB

Create a CentOS boot disk. use UltralISO to make boot disk burn CentOS-5.9-x86_64-bin-1of9.iso (1) File-> open select ISO file (2) boot-> write hard disk image... (3) write mode, select USB-HDD +... create a CentOS boot disk. use UltralISO to make

Set command parameters and usage description linuxset command function description: set shell. Syntax: set [+-abCdefhHklmnpPtuvx] Supplement: you can use the set command to set various shell options or list shell variables. set common features for a

Linux package command. tar unpack: tarxvfFileName.tar package: tarcvfFileName.tar DirName (note: tar is packed, not compressed !) Unzip 1: gunzipFileName.gz unzip 2. linux folder package command. tar unpack: tar xvf FileName.tar package: tar cvf

Ssh, solution for scp error reporting: linuxunixscpssh @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTEHOSTIDENTIFICATIONHASCHANGED! @ Ssh, solution for scp error reporting: linuxunixscpssh @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING:

CentOS adds users to the sudoer list CentOS by default, linux does not include the current user in the sudoer list (the most common in the linux release of the redhat series ), if you use sudo to execute some commands, you will be prompted that the

Batch deployment of ssh authentication I think that when we build a hadoop cluster, everyone will encounter a problem. manually configure ssh two-way authentication. when the cluster size is very small, we can still endure it, but should I manually