Install Docker and deploy WordPress blogging system
View the system version
Docker requires 64-bit CentOS 7
The cat/etc/redhat – release
Check the kernel version. Docker requires that the Linux kernel version be higher than 3.10
Uname -r
Uninstall all relevant older versions on this machine
Yum remove docker \
Docker – client \
Docker – the client – latest \
Docker – common \
Docker – latest \
Docker – latest – logrotate \
Docker – logrotate \
Docker – selinux \
Docker – engine – selinux \
Docker – engine
Install the yum utility and the necessary Docker packages
Yum install – y yum – utils \
Device mapper – persistent – data \
lvm2
Configure domestic Docker image resources (University of Science and Technology of China)
Yum – config – manager \
— add-repo\mirrors.ustc.edu.cn/docker-ce/l…
Update the yum software source cache and install docker-CE
Yum makecache fast yum install-y docker-ce
Check the version of Docker
Docker – version
Start the Docker CE
Systemctl enable docker systemctl start docker
Add the current user to the Docker group
Usermod – aG docker $USER
Test whether Docker is installed correctly
Docker run the hello world
Mirror to accelerate
Docker China official image acceleration can be accessed at registry.docker-cn.com. Currently the library contains only popular public images, while private images still need to be pulled from the US library.
Write the following to /etc/docker-daemon. json (create a new file if it doesn’t exist)
{” registry – mirrors “:” registry.docker-cn.com “]}
Restarting the service
Systemctl restart docker
Update the system environment
Yum update – y
Restart the CentOS 7 OS
reboot
Start the Docker service
Systemctl start docker
Add the service to the boot option
Systemctl enable docker
Search lamp images for those with more than 10 “likes”
Docker search -s 10 lamp
Pull the selected image, in this case the tutum/lamp image
Docker pull docker. IO/tutum/lamp
Check whether the mirror is pulled successfully
Docker images
Create a blank directory locally for mounting a data volume
The mkdir/mysql_data
Create and start a container
Docker run-d–name=mylamp-p 8080:80-p 3306:3306-v/mysql_data:/var/lib/mysql docker. IO /tutum/lamp
Enter the container
Docker exec – it mylamp/bin/bash
Initialize the MySQL database
mysql_secure_installation
Follow the wizard to complete the initialization
Enter current password for root(Enter for None):< – Press Enter for the first time
Set the root password? [Y/n]< – Specifies whether to set a password for user root. Enter Y and press Enter or press Enter
New password:< – Set the password of user root
Re-enter new password:< — Enter your password again
Remove anonymous users? [Y/n]< – Press Enter to delete anonymous users
Disallow root login remotely? [Y/n]< – To disable root remote login, select n and press Enter
Remove test database and access to it? [Y/n]< – Whether to delete the test database, press Enter
Reload privilege tables now? [Y/n]< – Whether to reload the permission table, press Enter
Open the MySQL
Mysql -uroot-p Enter the password previously set
Creating a database
The create database wp.
Exit the mysql
\ q
Update APT Tools
Apt update
Switch to the Apache site home directory
CD/var/WWW/HTML
Install the WGET tool
Apt install wget – y
Use the wget tool to download the WordPress package from the official website
Wget cn.wordpress.org/wordpress-4…
Decompress the downloaded package to the current directory
Tar ZXF wordpress – 4.7.4 – zh_CN. Tar. Gz – C /
Out of the container
Ctrl + p
Ctrl + Q
Check your local IP for an address to access the WrodPress web site
The ifconfig
The WP installation and configuration page is displayed
http:// < IP address > : 8080 / wordpress
Configuration failure troubleshooting:
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Enter the container
Docker exec – it mylamp/bin/bash
Access the WP configuration directory
CD/var/WWW/HTML/wordpress
Creating a Configuration File
Vi wp – config. PHP
Copy and paste the page provisioning configuration information into this file
Note: In order to avoid garbled characters, Chinese annotations can be deleted in advance
<? php define(‘DB_NAME’,’wp’);
Define (‘ DB_USER ‘, ‘root’);
Define (‘ DB_PASSWORD ‘, ‘1111’);
Define (‘ DB_HOST ‘, ‘localhost’);
Define (‘ DB_CHARSET ‘, ‘utf8mb4’);
Define (‘ DB_COLLATE ‘, ‘);
Define (‘ AUTH_KEY ‘, ‘XfI2! &IN? sZJ]W>jMy):CRGP 2%ys-? dCAI.Bk lDPgoh8tj-SNO*D.I/wBgfvey’);
Define (‘ SECURE_AUTH_KEY ‘, ‘^ % H/yvk_F? B< Mk6LR; _1}Rk CI.M4i^jqQ:]c_~> [+P!eb9[czr B}6$8f3V4’);define(‘LOGGED_IN_KEY’,’x2M)5xUfiD/mDZBsXV?EHa>sRHNd$2NMQrz_{Z&M-Fddf{gk%*odMBm7l+uS#~BT’);
Define (‘ NONCE_KEY ‘, ‘6 ~ > X: j = j {SabQAO} s_; Oy! [rR + + < Fen2NS | j4V YVMzXj (9, 3 # AR & > 4 so6u8j | (~ ‘); define (‘ AUTH_SALT ‘, ‘TP: : 6. OWlTEM4Jnd2 ` x]; 2Cz6[,-YDr(-V5%l*kYFlr-<8h|<y1so pi7=(S/1=a’);
Define (‘ SECURE_AUTH_SALT ‘, ‘* (NNG. UntS0TFTpqwGpGf5O < ^ uhI,.. lI <FN? m^F&J=%DGTwjhOb:[:5fu9JPBv’);
Define (‘ LOGGED_IN_SALT ‘, ‘Fo? B6AQG%6O+-u]SR2asQ#h/BVB=h}XuS?? 2Ii^h^1xD5,; 52++5n td7qOZYUB7’);
Define (‘ NONCE_SALT ‘, ‘~ Vt4 ^ {Sgmxb / * oTeP > k > CjJm – N + ~ 3 vb0t [6 BCZGLFK – FRsEJsWCuf_iY5n % D) [F’); $table_prefix = ‘wp’;
Define (‘ WP_DEBUG, false); define(‘WP_ZH_CN_ICP_NUM’,true);
If (! defined(‘ABSPATH’))
Define (‘ ABSPATH ‘dirname (FILE).’/’);
Require_once (ABSPATH. ‘wp – Settings. PHP);
Username/password: ML /1111