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About Swarm: Swarm is a cluster management tool officially provided by Docker. Its main function is to abstract several Docker hosts as a whole, and manage all kinds of Docker resources on these Docker hosts through a single portal. Swarm and kubernetes are similar, but lighter, and have fewer functions than kubernetes Experime ...

I. download and installation of relevant software #Docker installation wget  -O /etc/yum.repos.d/docker-ce.repo   https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo y ...

CentOS Six.Five install MySQL 5.6 1. View system status [root@itzhouq Three 2 tools]# cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m [root@itzhouq32 tools]# uname -a Linux itzhouq32 2.6.32-Four 31.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux 2. Create a directory to download rpm package [root@itz ...

Currently, Python 2 is installed by default in the latest CentOS 7.3, and Python 3 installation package is not provided in the default official yum source. Recently, we need to install awscli on the machine. We need python2.6.5 + or python3.3 +. I install python3 through source compilation.My machine version: cat /etc/redhat-release #CentOS Lin ...

During the period of double 11, we started a cloud server, which took a week or two for filing, and finally passed the filing. So we installed Docker containers on the personal server for deployment projects, and prepared to pack all services into containers as much as possible, so as to facilitate unified management and operation and maintenan ...

Experimental environment A CentOS 7.3 virtual machine with minimal installation Configure the base environment 1. Install apache yum install -y httpd 2. Establish the root directory of the virtual host mkdir /var/wwwroot mkdir /var/wwwroot/site1 mkdir /var/wwwroot/site2 echo -e "site1" >> /var/wwwroot/site1/index.html echo -e "site2" &g ...

Network virtualization technologyOpenVSwitch: virtual switchVLAN, VXLANVirtual router What is VLAN?Virtual LAN: LAN refers to the range from broadcast frame to node, that is, the range of direct communication; VLAN: MAC address basedPort implementation based on switchImplementation based on IP addressUser based implementation Type of switch in ...

Record (≫); 1. Copy binary files and locations; 2. Master-slave copy based on GTID: (test environment is CentOS 7.3) I. based on binary log file (traditional way) (1) working principle: 1. Master records the database operation to Binary log and sends it to Slave I/O thread; 2. Slave's I/O thread stores the received Binary log to the local Rela ...

Flume collects Log4j logs and sends them to Kafka for storage Environmental preparation Download Flume: http://flume.apache.org/ Install: extract the download package to the custom path Configure agent # Function: filter json information storage kafka agent.sources = s1 agent.channels = c1 agent.sinks = k1 agent.sources.s1.type = avro agen ...

The server environment is CentOS 6.8, and Python is the default version 2.6.6 1. Upgrade python Upgrade python2.6.6 to python2.7.14, which will not be described herePlease refer to the following documents for upgrading:https://blog.csdn.net/see_you_see_me/article/details/78550977 2.Python makes pip command unavailable Upgrading Python 2.7 resu ...