Linux

How to add a hard disk overview to linux: Add a 15 GB hard disk 170 fdisk-l to list all hard disks 171 sudo pvcreate/dev/sdb ---------- sdb is the newly added physical disk, prepare for lvm to use 172 sudo vgcreate 12c/dev/sdb ----------------- to

Install and configure the XEN Virtual Machine Under centos 5: The original installation media is centos 5, the software package is not updated, and all files are installed with the DVD. The initial installation is minimal installation. The software

Understanding ipvs Performance Understanding ipvs performance is a black box for many application developers. The developer wants a short time span between data entry and output. You don't need to be a DBA. Here there are some data that can be

Special variable $0 Script Name in shell $1 Location Parameter #1 $2-$9 location parameter #2-#9 $ {10} location parameter #10 $ # Number of location parameters "$ *" All location parameters (as a single string) "$ @" All location parameters (each

Install the partition tool GParted in RHEL5The 64-bit RHEL5 server installs the GParted partition tool, which cannot be connected to the Internet or be installed online from an Internet image.Gparteddepends on many yumpackets. For details, see the

In shell scripts, the $ default variable contains some internal variables, which are a special type of variables provided by Linux. These variables are used to make judgments in programs. In a shell program, the values of such variables cannot be

Nginx configuration round-robin shunting-achieve Load Balancing [pass test] preparations, 3 servers, or open a virtual machine! I implement it on a virtual machine. The ip addresses are 192.168.1.10 192.168.1.11 192.168.1.12 (Environment: ngixn is

Linux: mount and umount simply learn to mount an iso image: mkdir/media/oelmount/dev/cdrom/media/oel uninstall image: umonut/media/oel supplement: umount prompts that device busy is because a program is using the device you detach. For example, your

The Rewrite rules of Nginx and the commands related to the Nginx Rewrite Rules of the Instance include if, rewrite, set, return, and break. The most important of these commands is rewrite. A simple Nginx Rewrite rule syntax is as follows: rewrite

How to fix Linux failure [html] failure to start properly without an operating system can ensure 100% reliability. One day, even Linux cannot start. This article provides you with some policies used when the Linux workstation cannot start normally.

The distributed log system (Scribe) is compiled, installed, and recently prepared to integrate logs from multiple systems. Therefore, to build a distributed log storage system, the first consideration is Scribe, however, it takes a lot of time to

Ubuntu cannot update ICEauthority solves the fault description: during use, the start column and the sidebar disappear. After restart, the graphic desktop cannot be accessed on the logon interface. The error message "cannot update ICEauthority" is

Ubuntu and ubuntu-like linux systems (close the graphic interface) for linux, the old bird uses debian, but more people use ubutnu or derivative version of ubuntu, for example, linuxmint and linuxdeepin made in China are mostly about how to

Linux Startup Process, daemon process, and other systems: ubuntu server 12.041, linux Startup Process 2, SysV-style Startup Mode 3, runlevel running level 0: system shutdown status, the default running level of the system cannot be set to 0.

Syntax of the common read command in Shell: [python] read-p "Prompt" variable1 variable2 variableN-p "Prompt": displays the Prompt information (displayed in the same line as the user input) variable1: the first value entered by the user will be

Commands related to linux User Permissions 1. Create group groupadd test modify group groupmod-n test2 test change name to test2 Delete Group groupdel test view group groups root 2. user operation: -B: set the basic path as the user's login

Shell sed filter explanation 1. Sed introduction sed is an online editor that processes a line of content at a time. During processing, the currently processed rows are stored in the temporary buffer, called the pattern space. Then, the sed command

Installation and Use of linux peanut shells * reminder * you only need to install peanut shells on the server, and do not need to install peanut shells on the computer that initiates the access. 1. Install and log on. Take centos as an example:

LinuxMint13 to build a gitolite Server 1. First, read LinuxMint13 to install and access git without a password. In this blog post, we will talk about the client's id_rsa.pub running ssh-copy-id-I ~ /. Ssh/id_rsa.pub git @ localhost, The id_rsa.pub

Use git 3 branch (study note 3) branch git branch new // create a new branch to merge directly (merge) git checkout-B alternate master // directly create the alternate branch and go to the branch. Create a New gti add about.html on the alternate