CentOS

1. View existing MySQLRpm-qa | grep MySQL2. Uninstall#yum-y-Remove mysql-libs-5.1.66-2.el6_3.x86_64Check and delete the old version of MySQL development header files and librariescommand: #Rm-fr/usr/lib/mysql#rm-fr/usr/include/mysqlNote: the data

# Rpm-qa |grep MySQL # # to see if the MySQL database is already installed on the operating system, if so, by RPM-e command or RPM-E--nodeps command to uninstall out # yum install MySQL-server MySQL mysql-devel# service mysqld start# chkconfig--list

Download the source installation filewget http://repo.mysql.com//mysql57-community-release-el7-8.noarch.rpmwget https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpmInstall RPM packages locally (configure MySQL installation

1. Ensure that the project has a JDK installedPlease enter java-version in the system to see if the command existsIf the JDK is not installed, please go to the JDK installation under Centos/linux2. Download maven　　wget

1, although CentOS and Ubuntu are the kernel of Linux, but the use of commands still differ2, such as in CentOS with the new plug-in is: Yum-y (yum followed by a space)In Ubuntu with the new plugin is: Apt-get (note is connected)3. For example, use

1. Create a Java directory under the/usr/directory[Email protected] ~]# Mkdir/usr/java[Email protected] ~]# Cd/usr/java2. Copy jdk1.8 to the Java directory, unzip to the current directory[Email protected] java]# TAR-ZXVF jdk-8u131-linux-x64.tar.gz3.

1 Downloadswget https://nodejs.org/dist/v6.9.5/node-v6.9.5-linux-x64.tar.xz 2 DecompressionTar xvf node-V6. 9.5-Linux-x64. Tar. XZ 3 Creating soft links to make node and NPM commands globally valid by creating a soft link method, you

The CentOS 7 system turns on the firewall by default and does not open ports such as 80 and 8080.Therefore, after configuring Tomcat and Nginx today, they will not be able to access each other properlyAccess 80 and 8080 ports are reported: 502 error.

VI filename (vi,visual Editor, Visual editor) opens the filename file with the Vim text editor.The Vim text editor has three modes: command mode, insert mode , and bottom command mode (last linemode).Command mode: Just enter vim is the command mode,

Today is the Dragon Boat Festival, wish you a happy Dragon Boat festival! There are lots of FUN commands on the Linux system, but most of them are available on the Ubuntu/debian series release, and there are few installed on Red Hat systems; today,

First, the installation environment check if the package is installedYum Install GCCYum Install Zlib-develYum Install makeYum Install-y OpenSSL Openssl-develIi. Start installation of python3.6wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.

Basic EnvironmentYum-y install wget gcc xz tar Install zlib (if not installed zlib Setuptools may error "Compression requires the (missing) zlib module")1. wget http://prdownloads.sourceforge.net/libpng/zlib-1.2.11.tar.gz?download2. TAR-XVF zlib-1.2.

1. Install some of the dependencies I have encountered (if there are dependencies on the prompts to install):Yum install xz gcc zlib zlib-devel2. Download the source package on official websiteAddress: Https://www.python.org/ftp/python/3.6.1/Python-3

Vim/etc/profileAdd after finding exportExport lang= "ZH_CN. UTF-8 "Export PATH USER LOGNAME MAIL HOSTNAME histsize histcontro LANG: WqRe-enter confirm view after switching[Email protected] ~]# localeLang=zh_cn. UTF-8Lc_ctype= "ZH_CN. UTF-8

1, under the/usr/local/src/Get the python3.5 Packagewget HTTPS://WWW.PYTHON.ORG/FTP/PYTHON/3.5.1/PYTHON-3.5.1.TAR.XZ2. Tar.xz Decompression Method:Xz-d MPFR-3.1.2.TAR.XZGenerates a Mpfr-3.1.2.tar file and then executesTAR-XVF Mpfr-3.1.2.tarxz -d

Description: CentOS 7 minimized installation, default Python 2.7, development requires installation of python3.6.1.1. Check Python version[Email protected] ~]# python-vPython 2.7.5[Email protected] ~]#2. Install the necessary library files# yum-y

NFS server side setting is ignored.Main questions about permissions:Windows7 NFS Client, after you mount the NFS service using the Mount command, the file system is read-only to Win7, unable to write to the file, and cannot create a new folder

Description: The company moved to the site, the computer with the past, the CentOS system connected to the VM with Xshell always fail to connect, and then consider the company moved to the situation, I first suspect that the problem is IP, and then

Centos#会列出所有正在使用的端口及关联的进程/-nap#portnumber to use a specific port number instead, you can directly list the port to listen to the process /--lnp| grep theWin7Lists all ports in the case. In the list we observe the occupied portsNetstat-anoView the

The Hgfs folder in MNT is the default folder on the Linux system where shared files are mounted. Some people follow the steps to share a file that is not shared in mnt, possibly because your mnt lacks shared support. You can now enter in Terminal: