Programmer Group

1. Preface The logs mainly include system logs and application logs. Operations and developers can use the logs to understand information about hardware and software in the server, check for application or system failures, and understand the cause of the failure in order to solve the problem.Analyzing the logs gives you a clearer picture of th ...

1, Environment introduction Two centos7.4 system machines: machine host name 10.1.31.36 kubernetes master 10.1.31.24 kubernetes node1 2, Preparations The following steps are to be performed on both hosts.You need to pull docker image. Please install docker first. 1. Relationship between K8s and docker version [`https://github.com/ku ...

1. Install pip based on python [root@mysql ~]# yum -y install python-pip python-devel [root@mysql ~]# crul https://bootstrap.pypa.io/get-pip.py -o get-pip.py [root@mysql ~]# python get-pip.py # Don't worry if yellow words or similar words appear in this command. It's not an error. It's just a warning that Python version is lower than ...

Preface During this period of time, I concentrated on studying docker, wanted to write something out, and finally wrote a wordpress running in container. I packed the image and script, and hung them on my server. If you have time, you can download them to play. docker I put the packed files on the server. The downlo ...

2, mysql installation and startup 1. How to install mysql 1.RPM, Yum: easy to install, fast to install, unable to customize 2. Binary: it does not need to be installed, can be used after decompression, and cannot be customized 3. Compile and install: customizable, slow to install. Before 5.5:. / configure make make install After 5.5: cmakegm ...

1. Build os basic mirror 1) Make your own os mirror Dockerfile, note that the first letter "D" of the Dockerfile name must be capitalized, otherwise it will not be recognized when you build it [root@k8s centos7.6]# cat Dockerfile #Basic Mirror Source, download centos:7.6.1810 in dockerhub beforehand FROM centos:7.6.1810 ...

Here I choose the official website to download the source package, compile and install Reference 1: when linux is configured, how do you choose to install it by compilation or by yum Reference 2: mysql installation under linux 1, Preparation: Download address on Mysql official website 2, Pit summary: 2.1 about i ...

Get ready    prepare three Linux machines that can access each other. Take Centos 7 as an example: node1-192.168.22.117 node2-192.168.22.118 node3-192.168.22.119    turn off the firewalls of these three machines: systemctl disable firewalld.service systemctl stop firewalld.service install    etcd nee ...

1,EOF  In Shell, EOF is usually used in combination with < to indicate that the subsequent input is used as the input of subcommand or subshell, until EOF is encountered, and then returned to the calling Shell. EOF can be replaced by something else, meaning that content is passed to the program as standard input. Review the use of <. W ...

CentOS 7.4 basic environment configuration Add third party source yum There are two common third-party sources: EPEL and IUS. You can see the latest installation methods at https://ius.io/GettingStarted/ Automatic installation curl -L https://setup.ius.io | sh Manual installation (if automatic installation is used, this will be omitted) ...