Linux

Yum (full name Yellow dog Updater, Modified) is a shell front end package Manager in Fedora and Redhat and CentOS. Based on RPM package management, the ability to automatically download RPM packages from specified servers and install them

Shell scripts, special variables, declare, arithmetic operations, exit states, conditional tests, brackets differencesShell Script Basics (i)650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/89/B0/wKiom1gZw96zZT_hAADwqQMOrjg477.jpg-wh_500x0-

Original: Http://jingyan.baidu.com/article/3c343ff7039de20d37796306.html and http://blog.sina.com.cn/s/blog_670918940102wcqt.htmlAfter a day of doing it, it's really troublesome to build SVN on Linux. There are many ways to build online, but most of

The first RPM package upgrade:Rpm-qa | grep Jdkjdk-1.7.0_37-fcs.x86_64rpm-qa | grep gcjlibgcj-4.4.7-4.el6.x86_64rpm-e--nodeps jdk-1.7.0_37-fcs.x86_64rpm-e--nodeps libgcj-4.4.7-4.el6.x86_64Check the JDK version again to uninstall the

Move command: MVMove, moving filesMV [OPTION] ... [-T] SOURCE DESTMV [OPTION] ... SOURCE ... DIRECTORYMV [OPTION] ...-t DIRECTORY SOURCE ...650) this.width=650; "Src="

Head and tail are as simple as their name, which is used to display the beginning or end of a number of chunks of text, the head is used to display the beginning of the file to the standard output, and tail to see the end of the file.1. Command

1. Defining Board Devices 1: struct spi_board_info { 2: / * The device name and module name is coupled, like platform_bus; 3: * "Modalias" is normally the driver name. 4: * 5: * Platform_data goes to

1. In the Linux kernel, the production will see the call to align Align, common such as page alignment in memory management, Net_device, the acquisition of private data, this article is a simple analysis of align macros.1.1. Kernel call: In E100.C,

MPEG (Fast Forward MPEG) is a set of open-source computer programs that can be used to record, transform, and convert digital audio and video into streams.FFmpeg is developed under the Linux platform and can be compiled and run in OS environments

Original address: Http://www.cnblogs.com/ants/p/5732337.html#_label5Installing NginxCurl-o nginx.rpm http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpmRPM-IVH nginx.rpmYum Install NginxInstallation is

I. Management of the file systemTips: Use the TAB key when entering commands to completeLS View directory information (LS/)Ls-l equivalent to LLPWD View the path that is currently in placeCD switch directory (CD/), switch to user home directory if

We often hear the word port number, but there are still a lot of trained it people don't know what the port is. Well, I did, too.It's okay, I heard it coming!For example, we connect to the server via an IP address, so what are we going to do? What

Dns??? What kind of thing? We must be familiar with such a configuration in Windows:650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/89/9E/wKiom1gYSHOTnd_tAAB4v7eNl4s534.png-wh_500x0-wm_3 -wmp_4-s_2695112311.png "title="

# # #时间的同步 # # Service side Yum Install Chrony-y # #安装服务vim/etc/chrony.conf # #主配置文件#Allow NTP Client access from the local network.Allow 172.25.0.0/24 # #允许谁去同步我的时间#Serve time even if not synchronized to any NET serverStratum local

, there are multiple files with different suffixes, but their prefixes are "qc_tz.impute."When you want to bulk copy the files in the diagram, you can consider using the command lineCP qc_tz.impute.*/your/destination/Where CP means copy, * denotes a

Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html1. The openjdk of the Linux system comes first[Email protected] ~]# Rpm-qa |grep

Threading BasicsBecause the address space of the process is private, the system overhead is greater when the context switchesThreads created in the same process share the Process's address spaceTypically threads are worth multiple tasks that share

Notes for using Docker for the first time and notes for using docker for the first time I. Preface Docker containers have been released for a long time, but as a programmer, it is a sin to come into contact with them now ......Before that, I have

Build an SVN code version server and an svn code The company needs to build a SVN code version management server to manage all code assets; Project Architecture   1. Environment Installation [Root @ host_centos ~] # Yum-y install subversion mod_dav_

I recently learned about common linux commands ., Learn common linux commands. I. File System ManagementTips: when you enter a command, you must use the tab key to complete it. Ls view directory information (ls /)Ls-l is equivalent to llPwd: view