Programmer Group

1, Preparations 1.1 server preparation Operating system: centos 7.x 1.2. Install the text editing tool nano # yum -y install nano 2, Turn off SELinux 2.1. View SELinux status 2.1.1. First method: view SELinux status # /usr/sbin/sestatus SELinux status:                 enabled SELinuxfs mount:                /sys/fs/selinux SELinux root director ...

1. Install php Current system environment [root@localhost ~]# cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core) [root@localhost ~]# uname -sr Linux 4.16.11-1.el7.elrepo.x86_64 Install yum source php 7 has two yum sources to choose from, one is webmatic and the other is remi. Add webmatic source (not accessib ...

Version control gitlab Version control definition: It refers to the management of changes of various program codes, configuration files, instruction documents and other files in the process of software development Version control function 1. Tracking document changes 2. Parallel development 3. Effectively solve the ...

Install nginx Kafka plug-in nginx can directly write data into kafka. 1. install git yum install -y git 2. Switch to the directory / usr/local/src, and then clone the c client source code of kafka to local cd /usr/local/src git clone https://github.com/edenhill/librdkafka 3. Enter librdkafka and compile ...

1.Ruby installation. Note: do not use the latest 2.2 or 2.3 version of ruby. Some components may not be installed yum -y install openssl-devel gcc wget https://ruby.taobao.org/mirrors/ruby/2.1/ruby-2.1.7.tar.gz tar zxf ruby-2.1.7.tar.gz cd ruby-2.1.7 ./configure --prefix=/usr/local/ruby2.1.7 make && make install echo ...

This chapter summarizes the points of knowledge: Docker Compose container arrangementBuilding an Autodiscover Docker Service ArchitectureImplement container services to automatically join the Nginx cluster **Docker Compose Container Layout Function** Docker compose, predecessor of Fig, is a tool for defining and running multiple docker conta ...

After the server 1 (Master) is pushed to the minion, the minion will save the push information for 24 hours. However, in order to view the push information in the future, we should store the information for a long time, which is a good choice in the database. Now we use two methods to store the information, the latter is more c ...

Last time we used Nginx for reverse proxy TCP, we found that the number of links in the test was still a few K, so we hung up. According to the official recommendation, we used Haproxy for testing. install Installation command: yum install haproxy The configuration file of haproxy is located in / etc/haproxy /. To prevent ...

Custom virtual machine installation 1, Create a virtual switch Principle: call dnsmasq to provide DNS, DHCP and other functions Create configuration file / etc/libvirt/qemu/networks/vbr.xml <network> <name>vbr</name> <bridge name="vbr"/> <forward mode="nat"/> <ip address="192.168.1.2 ...

1. Restore environment: [server1] [root@server1 _modules]# salt-key -L Accepted Keys: server1 server2 server3 server4 Denied Keys: Unaccepted Keys: Rejected Keys: [root@server1 _modules]# salt-key -d server4 The following keys are going to be deleted: Accepted Keys: server4 Proceed? [N/y] y Key for minion server4 deleteed. ...