Programmer Group

Installation and use of VIM compiler vim editor installation In CentOS, execute: yum -y install vim Common mode h: Move one character left j: Move down one line k: Move up one line l: One character to the right PageDown (or Ctrl+F): next screen PageUp (or Ctrl+B): flip up one screen ...

1. Create keystone database and authorize [root@controller ~]# mysql -uroot CREATE DATABASE keystone; GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'KEYSTONE_DBPASS'; GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY 'KEYSTONE_DBPASS'; 2. Install ke ...

centos 7 kubernetes cluster deployment Host (virtual machine) information: [root@k8s-master ~]# cat /etc/redhat-release CentOS Linux release 7.7.1908 (Core) Node name IP k8s-master 192.168.1.86 k8s-node1 192.168.1.87 Note: 1. k8s version can be selected by yourself. Take 1.16.2 as an ex ...

Docker installs the latest version of Mysql (Mysql8.0) Docker environment configuration Mysql8.0 configuration Note: Note 1 Note 2 Last Congratulations, docker MySQL has been built successfully! If you think the writing is good, please click below to give a reward, thank you!! Original: product R ...

Blog Outline: 1. Introduction to Nginx2. Set up Nginx server3. Upgrade version of Nginx service to 1.24. Modify Nginx Service Header Information5. Detailed explanation of location Option in nginx main configuration file6. Configure https to access Nginx7. Open Nginx Access Certification 1. Introduction to Nginx Nginx is developed for perform ...

1. Install Jenkins #Preparing the Java environment tar xvf  jdk-8u231-linux-x64.tar.gz -C /usr/local/ cd /usr/local/ ln -s jdk1.8.0_231 java cat  /etc/profile.d/java export JAVA_HOME=/usr/local/java export PATH=$PATH:$JAVA_HOME/bin source  /etc/profile.d/java java  -version yum -y install wget wget -O /etc/yum.repos.d/jenkins.repo http:// ...

Configure corosync Install corosync pacemaker in both server5 and server6 yum install corosync pacemaker -y Edit the corosync configuration file in server5 mv /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf vim /etc/corosync/corosync.conf # Please read the corosync.conf.5 manual page compatibility: whitet ...

1, nginx introduction 1.nginx service function: 2. Advantages of nginx service: 2, nginx service web deployment 1. Installation Preparation 2. Compile and install nginx 3. Start nginx preparation 3.1 configure environment variables 3.2 check syntax 3.2 boot 4. Turn off firewall, SE 5. Web access 6. Deploy a site 6.1 ...

1. Use yum to download the necessary packages in a directory: yum install --downloaddir ./ --downloadonly nvidia-detect 2. Making script files: The script file needs unix format (only 0A line breaks, no 0D carriage return) and cannot be in window format.The last must be the end of 0A."Must be"######## End install.sh"before the ...

The meaning of creating a file system is to format a hard disk partition and create different file systems in different formats. Format: Low-level formatting: Performs before partitioning, mainly partitioning tracks of hard disks, etc. Advanced formatting: partitioned and executed to create a file system What you do when you create a file s ...