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saltstack efficient operation and maintenance   salt introduction saltstack is an open source project created by thomas Hatch in 2011. It is designed to implement a fast remote execution system. Is salt powerful System administrators do a lot of repetitive operations, such as installing software, modifying configuration files, cr ...

This series: Chapter 1: Nine analysis takes you easy to finish the installation of helm3 The second chapter: Nine analysis takes you to the public warehouse of helm3 The third chapter: Nine analysis takes you through the explosion of helm3 private warehouse easily The fourth chapter: Nine analysis takes you easy The fifth chapter: Nine analy ...

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. playbook cycle #vi/etc/ansible/while.yml //Add the following --- - hosts: yw02   user: root   tasks:     - name: change mode for files       file: path=/tmp/{{ item }} mode=600       with_items:         - 1.txt         - 2.txt         - 3.txt Description: A file module is used here, followed by a path, if it is a file, you can write/tmp/1. ...

This is a very simple question about sudo permission in Linux, at least it should be. Many times, I just want to append some content to / etc/hosts or similar files, but I can't do it in the end, because even if I use root, I can't use > and > > at the same time. Is there a way to make this work without su or sudo su becoming ro ...

Static route: the route entry written manually by a person is called static route, which is permanent and effective, with the highest priority and efficiency. What's a router for? Connect networks of different address segments. Block webcasts of different address segments. The router has multiple interfaces, at least two, one LAN on one side. ...

This series of articles: Chapter 1: Nine analysis takes you through helm3 installation easilyChapter II: Nine analyses take you through the helm3 public warehouse easily Chapter III: Nine analyses take you through the helm3 private warehouse easily Chapter IV: Nine analysis takes you through helm3 chart easily Chapter V: Nine analysis takes ...

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:// ...

ls #List all files starting with a and o [root@sh02-hap-bss-prod-consul03 ~]# ls anaconda-ks.cfg nss-pam-ldapd-0.9.8-1.gf.el7.x86_64.rpm openldap-clients-2.4.44-21.el7_6.x86_64.rpm original-ks.cfg tools [root@sh02-hap-bss-prod-consul03 ~]# ls [ao]* anaconda-ks.cfg openldap-clients-2.4.44-21.el7_6.x86_64.rpm original-ks.cfg #[0-9] for a ...

Heavy load for a while, heavy load for a long time. Recently, I read a book "Groovy in action" to review some of Groovy's syntax features. I am infatuated with the function of this overloaded operator, and I insist on the cool and don't want. Share a Demo. Because Groovy syntax is slightly different from Java syntax, but it is basic ...