18th common Software Installation and usage guide in Linux environment

Reminder: If you want to install Virtualenvwrapper later, you can jump to the method of installing Virtualenvwrapper without having to install the Virtualenv installation virtualenv and build the virtual environment first.

• Installing virtualenv:yum-y Install Python-virtualenv
• To build a virtual environment:
• Switch to the directory under which you want to generate the virtual environment
• Generate Python2 Virtual Environment: VIRTUALENV Virtual Environment name, for example: Virtualenv test_py2
• Build Python3 Virtual Environment: Virtualenv-p Python3 's installation directory virtual environment name, for example: Virtualenv-p/usr/local/bin/python3.6 test_py3
• To start the virtual environment:
• Switch to the bin directory first: CD Test_py2/bin or CD Test_py3/bin
• To start a virtual environment using the source command: source Activate
• Exiting the virtual environment: deactivate

Quickly start a virtual environment (install virtualenvwrapper)

• Installing Vitualenvwrapper:pip install-i Https://pypi.douban.com/simple/virtualenvwrapper
• Use the Find command to find the location of virtualenvwrapper.sh: Find/-name=virtualenvwrapper.sh
• Locate the following path:/usr/local/bin/virtualenvwrapper.sh
• Configure the. bashrc file: Vim ~/.BASHRC
• Add the following 3 items:
• Export Workon_home= $HOME/.virtualenvs
• Export Virtualenvwrapper_python=/usr/bin/python3
• source/usr/local/bin/virtualenvwrapper.sh
• Save exit
• Refresh the configuration file so that the configuration takes effect: source ~/.BASHRC
• Recommended ways to generate a virtual environment:
• Build Python3 Virtual Environment: mkvirtualenv-p/usr/bin/python3 Virtual Environment name
• Build python2 Virtual Environment: mkvirtualenv-p/usr/bin/python2 Virtual Environment name
• All virtual environments are installed by default in the directory: ~/.virutalenvs
• View all virtual environments installed under the current system: Workon
• Fast access to the specified name of the virtual environment: Workon Virtual Environment name
• Quickly turn off virtual environments: Deactivate

Installing Python3.6

• Installation Environment Dependency Package: Yum-y Install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel
• Ways to remotely copy files from local to server: SCP python-3.6.1.tgz [Email protected]:/root/
• Unpacking: TAR-ZXF python-3.6.1.tgz
• Directory after unpacking: CD PYTHON-3.6.1/
• Check the configuration and specify the installation directory:./configure--prefix=/usr/local/
• You may be prompted to install the GCC compiler without the GCC compiler: yum-y install gcc gcc-c++
• Perform the check configuration again and specify the installation directory:./configure--prefix=/usr/local/
• Compile and install: Make && make install
• Installation Complete
• python3.6 was eventually installed in the/usr/local/bin/
• Switch to/usr/bin
• To create a soft connection: Ln-s/usr/local/bin/python3.6/usr/bin/python3
• The python file used in the production environment needs to be added at the beginning: #!/usr/bin/python3 Specify interpreter

Installing Pycharm

• Find a downloaded installation package in a Windows-ready environment
• Send the installation package to Linux: SCP pycharm-professional-2018.1.4.tar.gz [Email protected]:/root/downloads
• Decompression: TAR-ZXF pycharm-professional-2018.1.4.tar.gz
• Place the extracted files under the/opt directory: MV pycharm-professional-2018.1.4/opt/
• Switch to/opt:cd/opt
• Enter PYCHARM-PROFESSIONAL-2018.1.4:CD pycharm-professional-2018.1.4
• Go to Bin directory: CD bin
• Start pycharm:./pycharm.sh

Quick Start Pycharm

• Edit configuration file: Vim ~/.BASHRC
• The shortcut key shift+g to the last line, inserting the following: alias pycharm= "bash/opt/pycharm-2018.1.4/bin/pycharm.sh"
• Run the source command to make the configuration file effective: source ~/.BASHRC
• Then enter Pycharm directly to start the pycharm quickly.

Installing Nginx

• Install software dependency Package: yum-y install gcc gcc-c++ openssl-devel pcre-devel httpd-tools
• Unpacking: TAR-ZXF nginx-1.12.0.tar.gz
• CD nginx-1.12.0/
• Create Nginx User: Useradd nginx
• Configuration check and specify the installation directory:./configure--prefix=/usr/local/nginx--user=nginx--group=nginx--with-http_ssl_module--with-http_mp4 _module--with-http_flv_module
• Compiling: Make
• Install: Make install #注: Make && make install install directly
• To create a soft connection: Ln-s/usr/local/nginx/sbin/nginx/usr/sbin/
• Start Nginx Service: Nginx
• To view Nginx operating port number: NETSTAT-ANPTU | grep nginx
• Stop Nginx service: nginx-s stop

installing MARIADB (mysql)

• Yum-y Install Mariadb-server
• Start database: Systemctl start Mariadb.service
• Set boot up: Systemctl enable Mariadb.service
• Modify database server password: mysqladmin-uroot password "root"
• Log on to the database server: Mysql-uroot-proot
• \s View database Server Basic Configuration
• \q exiting the database server
• Modify MySQL configuration file: vim/etc/my.cnf
• Modify the character encoding in the configuration file to Utf8:character-set-server=utf8
• Restart database server: Systemctl restart Mariadb.service

Create a database and import data

• Log on to the database server: Mysql-uroot-proot
• Creating a database: Create DB movie; (Note semicolon)
• Enter the created database: Use movie;
• Import data: Source/root/desktop/movie.sql;
• View tables in the database: show tables;
• s delete a database: Drop DB Jie;

install dependency packages with dependencies specified by TXT file

• Pip install-i https://pypi.douban.com/simple/--trusted-host pypi.douban.com-r req.txt

18th common Software Installation and usage guide in Linux environment