Linux

The linux awk Array Operation details the use of awk for text processing, which is ultimately its array processing. What are the features of the awk array? What about common operations. Let's take a look at some of the following introductions. Let's

CentOS cluster automatic synchronization time a method before there is a log is manual synchronization time http://www.bkjia.com/ OS /201304/202456.html the reason for doing so, because our laboratory LAN only a part of the IP can access the

Linux Disabled touchpad install xinput list using Virtual core pointer id = 2 [master pointer (3)] Using using Virtual core XTEST pointer id = 4 [slave pointer (2)] export slave USB Optical Mouse id = 12 [slave pointer (2)] export slave PS/2 Generic

The cat command function example in linux has three main functions: 1. display the entire file at a time. $ Cat filename 2. Create a file from the keyboard. $ Cat> filename can only create new files and cannot edit existing files. 3. combine several

My linux commands and miscellaneous linux cainiao record the linux commands and miscellaneous that I commonly use for your reference. Some useful shortcut keys Jump cursor to end of command Jump cursor to command start Clear all

You do not have to have the write permission for this file to delete a file by using the sticky bit in linux, but you must have the write permission for the file's parent directory. That is to say, even if you do not have the write permission for a

Linux core File Settings 1. A brief introduction to the core file when a program crashes, it generally generates a core file under the specified directory. The core file is only a memory image (with debugging information added) and is mainly used

Concepts of Linux soft links and hard links 1. the Linux Link concept is divided into two types: Hard Link and Symbolic Link ). By default, the ln command generates a hard link. [Hard connection] Hard connection refers to the connection through the

The scenario of backing up data scripts from multiple remote servers is as follows: there are more than 10 foreign servers and several domestic servers, deployment requires that you have to back up the previous version before ant code. After logging

Linux rsync configuration and installation, yum installation 2. Check whether xinetd is installed, not installed, and yum installation 3. open the port required by rsync in firewall, modify/etc/sysconfig/iptablesShell code-a input-m state -- state

Linux_002 _ basic operations on files and folders 1. the root of viewing and opening the folder file system is "/". The file system is strictly case sensitive and the name can contain a maximum of 255 characters. Except for the forward slash, all

RedHat sets Yum source Linux: RedHat AS 6.2. 1. Delete the original yum: rpm-aq | grep yum | xargs rpm-e-nodeps 2. Install the new yum rpm-ivh http://mirrors.163.com/centos/6/ OS /x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm. Note:

Ubuntu13.04 was stolen before CUDA5.0 was installed. Recently I bought a new notebook with Win8 pre-installed. However, I still have some work that requires support from win7 and ubuntu, so I bought win7, besides, Windows 7 and win8 are installed in

Install the RTL8188CE NIC Driver (Mercury MW150U) in linux)First, describe my system:Ubuntu 11.10Kernel: 3.0.0-32-genericI bought a wireless network card Mercury 150 Mbit/s MW150U series today. I found that I can use it without installing a driver

A network startup error occurred when copying fedora16 from vmware. Today, we made an experiment to copy the fedora16 system installed in vmware. As a result, the system started the replication and found that the ora16 operating system could not be

Display variables and set the display format of variables: # echo $... # echo $ variable # echo $ PATH or echo $ {PATH} # myname = tian # echo $ myname can be enclosed in double quotation marks or single quotation marks if there is any space in the

Step-by-step implementation of DHCP server in linuxEnvironmentRedhat. Enterprise. Linux.5.8Dhcp-3.0.5-31.el5Content:DHCP service IntroductionDHCP service configuration fileDHCP Service case1. DHCP service IntroductionDHCP operation mode: the client

Use VI to edit the binary file 1. open the file in binary mode # vi-B file. For example, the file content is originally hello world! 2. Switch to binary display. In vi command mode, enter: %! Xxd 000000: 6865 6c6c 6f20 776f rjc 6420 210a hello world

Ubuntu repairs the super block of the ext partition. Sometimes, the super block of the ext4 partition (The information in this section is the partition size and the remaining space) will be damaged. The specific manifestation is that it cannot be

Introduction to Mtr (My traceroute) usage: mtr [-hvrctglspni46] [-- help] [-- version] [-- report] [-- report-cycles = COUNT] [-- curses] [-- gtk] [-- raw] [-- split] [-- no-dns] [-- address interface] [-- psize = bytes/-s bytes] [-- interval =