Programmer Group

Dockerfile customized in work java:8.0 jenkins-slave:8.0 nodejs:v10.15.0 maven:8.0 httpd:7.5 newman:5.0.0 sonar:6.7.4 The intranet is used by the company, so the installation packages used in some dockerfiles can be easily transferred to the intranet under the external network. The installation packages are place ...

kubernetes cluster deployment Three official deployment methods1.minikubeminikube is a tool that can run a single point of kubernetes quickly locally, only for testing K8S or daily developmentDeployment address: https://kubernetes.io/docs/setup/minkube/2.kubeadmKubeadm is also a tool that provides kubeadm init and kubeadm join for rapid deploy ...

abstract OpenLdap can provide powerful centralized account management and authorization, but its powerful function depends on the integration of multiple plug-ins. In order to facilitate the compilation and deployment of OpenLdap, I made a docker image and recorded its usage through this article. Document environment Test environment for t ...

11, Application practice of for loop statement (1) , for loop syntax 1) General grammar for variable name in variable value list do Command... done 2) c-type for loop syntax for(( exp1;exp2;exp3)) do Command... done (2) Example 1 Use for to print 1, 2, 3, 4 and 5 numbers vertically. [root@centos6-kvm3 scripts]# cat 11-01.sh #!/bin/bash ...

6. Conditional testing and comparison of shell scripts (1) Common syntax for conditional expressions 1. Six ways to write conditional expressions (if, while) Syntax 1:test<test expression> Syntax 2: [<Test Expression>] #Both ends of brackets must have spaces Syntax 3: [[[<Test Expression>] #Spaces are required at both ends Syn ...

Ansible playbook Vault encryption details and use cases   Host Planning   Add user account Explain: 1. Login accounts used by operations and maintenance personnel; 2. All businesses are placed under / app / in the "home directory of yun users" to avoid the disorder of business data; 3. This user is also used by ansible because almo ...

Preface For a long time, the mastery of linux is the state of half bucket of water. Usually, you can load something from yum and rely on a bunch of things as a result. Then you can load something from the source code. You only know make and make install. What's behind it is unclear and it's inconvenient to unload. These days, I need to write ...

Simply say the value of OPENLDAP to operation and maintenance management, and support the development of enterprise technology, such as GIT, ZABBIX, jmpserver, OA and other large and small systems, as well as the authentication and login of Windows and Linux systems. If each platform needs to maintain a user management system, then if an emplo ...

Introduction and advantages Using this script, you can judge whether the system memory usage exceeds the set percentage It can restart the program when the warning value is exceeded It can record the restart process and send the specific LOG mail to the designated addressee Crontab schedule can be set to run every other period of time prepara ...

access function and mkdir function These two functions are used when creating a new folder to store data locally std::string file_path1 = "./image_data/front_middle/" + std::to_string(time_stamp_) + ".jpg"; if(access(file_path1,0)==-1) // this dir is not exist . if(mkdir(file_path1,0744)==-1) std::c ...