Linux

Linux eth1 Nic cannot be activated. Solution: linux eth1 Nic cannot be activated. How can this problem be solved? Www.2cto.com our lab has a dedicated server for Internet management, which has eth0 and eth1 NICs. After you open "manage"-"network",

Use environment variables in crontab: (products, platforms, models, software versions, etc.) AIX5L www.2cto.com Problem description: shell scripts started in crontab cannot run normally, but there is no problem when using manual execution. In $ home

Centos installation setup tool centos cannot run setup? Installing setuptool can save a lot of system management time. Www.2cto.com # install setuptool yum install setuptool # You can find that the setup is incomplete, and then install a firewall

Hongqi linux6 was installed in to connect to the wireless routing system, and Hongqi 6 was unavailable in wireless network connection image configuration tools. Remember that during installation, it took several days because the wireless connection

CentOS 6.3 to install Maven3 (1) Maven requires a JDK environment, so first confirm that the JDK environment has been installed. You can run the java-version command on the terminal to check the installation. my options are: www.2cto.com java

Common Linux commands (6) -- network communication commands 1. Command name: write www.2cto.com execution permission: All Users Function Description: send information to another user, with CTRL + D as the end Syntax: write root sends information to

Common Linux commands (8) -- bash application skills view existing shell www.2cto.com [root @ localhost ~] # Cat/etc/shells/bin/sh/bin/bash/sbin/nologin/bin/tcsh/bin/csh [root @ localhost ~] # Common shortcut keys in bash: ctrl + l clear screen,

Linux Shell common conditions determine common system variables www.2cto.com $0 name of the current program $ n the nth parameter of the current program, n = 1, 2 ,... 9 $ * any parameters of the current program (excluding the program itself) $ #

In linux, how to use the sftp command sftp is an interactive file transfer program. It is similar to ftp, But it performs encrypted transmission, which is more secure than FTP. The following describes how to remotely connect to the host, upload and

CentOS 5.5 modify the yum source to the local disc and change the yum source to the local disc for installation: www.2cto.com/etc/yum. repos. d Two file CentOS-Base.repo (networked installation) CentOS-Media.repo (local source) Modify

The grep tool is not powerful enough. To put it bluntly, grep only implements the search function, but it does notYou can replace the search content. Previously, vim can be searched or replaced, but it is limitedThis operation is performed

[What is NFS] NFS = Network File System [count] Network File System www.2cto.comNFS is often used to share storage on the network. In this case, you may not know much about NFS.Here is an example of what NFS is used. If there are three machines A, B,

One linux Command every day (35): ln command link: One linux Command every day (1): ls command http://www.bkjia.com/ OS /201210/163049.html#linuxlinuxcommand every day (2): cd command serial (3 ): pwd command Export (4): mkdir command

The new centos iptables rule automatically saves www.2cto.com 1. redirection for example, I want to add an ip address to prohibit access # disable all ports/sbin/iptables-I input-s 5.39.67.46-p TCP-j DROP # disable port 80/sbin/iptables-I INPUT -s 18

Vim winmanager file browsing is automatically updated. Using the winmanger plug-in, it is found that the referenced fileexplorer cannot be automatically updated to the current folder. At www.2cto.com, run the fileexterner_start () function in

Ipvsadm command referenceSubmitted by wensong on ThursdayFor the command reference of ipvsadm, and based on your own experience, a simple translation is provided.It helps ipvsadm users.In order to better understand this command manual, we will

  You must use the third method to add permanent routes !! Remember I. Use the route command to add If you use the route entry added by the route command, the route becomes invalid after the machine is restarted or the NIC is restarted. The method

  1. locate ---> searches for the database generated in advance, fuzzy searches, and updatedb updates the locate database.-I: Ignore the case sensitivity of file names.-N: only show the first n rows. For example: locate-n 3 passwd2. find ---->

  1. cat tool for displaying the file connection content;   Cat is a tool for viewing and connecting text files. View the content of a file. It is easy to use cat, that is, the file name is directly followed by cat.   For example:   [Root @

  In this section, we will analyze the magical and NB handle_stripe. For version 2.6.21, raid5 and raid6 use the functions 'handle_stripe6 'and 'handle_stripe5, handle_stripe6, and handle_stripe5, respectively, as long as you understand the