Linux

First, the preparatory work:1, query the system installed MySQL related software package[[email protected] ~]# rpm-qa|grep-i MySQL2. If MySQL is turned on, stop running MySQL server[[Email protected] ~] #service mysqld Stop3. Uninstalling the System

Tar-zcvf/home/xahot.tar.gz/xahotTAR-ZCVF the directory to be packaged when the file name full path is generated after packagingExample: Package the/xahot folder into a/home/xahot.tar.gz file.Zip compression method:Compresses the current folder Zip-r.

First, what is the inode?To understand the inode, start with the file storage.The file is stored on the hard disk, and the minimum storage unit for the hard disk is called "Sector" (Sector). Each sector is stored 512 bytes (equivalent to 0.5KB).When

1) Forwarding (fib_table) is an index table that records IP forwarding information, and each record (node) that is forwarded is a description of which output device the IP packet with a certain type of destination address should use to which

Modify Time Zone :1>Locate the appropriate time zone file/usr/share/zoneinfo/asia/shanghaiReplace the current/etc/localtime file with this file.Or find a server that you think is standard time, and then#scp [Email

Work for several years, has been engaged in the development of Linux kernel drive. From the touch of Linux to now, read a lot of Linux books, now think very good part of the list to share with you.Introductory classIt has been assumed that before

The CP command is used to copy files or directories and is one of the most commonly used commands in a Linux system. In general, the shell sets an alias, and when the file is copied at the command line, if the destination file already exists, it

The MV command is the abbreviation for move, which can be used to move files or rename files (rename), which is a common command under Linux, often used to back up files or directories.1. Command format:MV [option] source file or directory

Linux awk command DetailsIntroductionAwk is a powerful text analysis tool, with the search for grep and the editing of SED, which is especially powerful when it comes to analyzing data and generating reports. To put it simply, awk reads the file

1. PWD: Show working directory path -P: Show actual physical path -L: Show link path 2. CD: Change the working directory path CD: Go to User's home directory cd~: Go to User's home directory cd-: Returns the

1. View several CPU and CPU cores# Cat/proc/cpuinfo2. View system load, load averageW,top the average load in 1 minutes, 5 minutes, 15 minutes.Meaning of R/b/si/so/bi/bo in 3.vmstatR the number of processes running and waiting for CPU time slices is

A detailed description of compression decompression commands under LinuxZip-r myfile.zip./*All files and folders under the current directory are compressed into myfile.zip files, and-R indicates that all files in the subdirectory are compressed

Bird Brother Linux Server Chapter learning SummaryDanbo Time: 2015-7-17The network mount (AUTOFS) mechanism is started by default at the Runlevel3 startup level, and we can turn it off by command: Chkconfig autofs off or/etc/init.d/autofs stop.Query

[[email protected] ~] #reboot// RestartPress any key to enter650) this.width=650, "style=" Border-bottom: #ddd 1px solid;border-left: #ddd 1px solid;background:url ("/e/u261/lang/ Zh-cn/images/localimage.png ") no-repeat center;border-top: #ddd 1px

First, the classification and characteristics of equipment1. Character devicesA character device is a data-oriented device that does not have a request buffer, and access to the device can only be accessed sequentially by byte, not randomly.Most of

This section details the awk built-in functions, which are divided into the following 3 types: arithmetic functions, String functions, other general functions, time functionsFirst, arithmetic function:The following arithmetic function performs the

1,echo "AA" > Test.txt and Echo "BB" >> test.txt> empties the original file and writes the contents to the file,>> the end of the file 2,chmod go+w-r/home/zhangyAdd Write permissions to group users and other users 3,TAR-TZVF test.tar.gzList archived

Correct use posture of the Javadoc command javadoc -d apidoc -windowtitle Testing -doctitle ‘The API of javadoc‘ -header ‘My class‘ -charset UTF-8 -author -version *.java Attention -author and-version are used because Javadoc does not

Linux Command find (2), linux Command find The previous article has introduced the test of expressions, which is the core of the find command. Now we will introduce the options and actions of expressions.(1) options -D,-depth: the two serve the

Install the tool bmon for real-time network bandwidth detection in CentOS First download the rpmforge-release extension rpm package32-bit operating system: wget http://www.sudu.us/Tools/bmon/rpmforge-release-0.3.6-1.el5.rf.i386.rpm 64-bit