Programmer Think

1. Management facts 1.1 describe ansible facts The fact that ansible is a variable that ansible automatically detects on the managed host. It can be directly referenced in the playbook The facts include the following data: Host nameKernel versionnetwork interfaceIP addressOperating system versionVarious environmental variablesNumber of CPU ...

ls Abbreviation of common parametersFull name of parameterdescribe-a--allList all files in the directory, including "." Implied file at the beginning-lIn addition to the file name, the file permission, owner, file size and other information are listed in detail-h--human-readableList file sizes in an easy to understand format-tSor ...

1, Tomcat directory structure (taking version 8.5 as an example) Bin directory. The bin directory is mainly used to store tomcat commands. There are two main categories. One is based on sh (linux command), and the other is with bat (windows command). Many environment variables are set here, For example, you can set JDK path and tomcat path st ...

1: Building git and github under linux 1. Registered gihub account: github official website: https://github.com/ You can create it yourself. Log in, create repository, create a new warehouse, and create a test library test. The creation is complete. 2. linux Installation git environment yum -y install git 3. Generate ssh key The SSH key ...

1. pod life cycle init container Case: when the service monitored by the init container is not configured, the main container and init container cannot start normally apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busyboxplus command: ['sh', ' ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Reading catalog 1, Introduction to firewall2, Introduction to IPtables3, iptables package filtering process iptables workflow 4, 4 Table 5 chain ...

Memory Forensics Forensics file suffix raw,. vmem,. imgCommon commands (imageinfo, pslist, dumpfiles, memdump)Suspicious process (notepad, cmd)Combined with disk ForensicsUnderstand some operating system principlesCommon file suffixes dmg, img Volatile basic commands You can use the - h parameter to get the usage method and plug-in introduct ...

This article introduces the thread synchronization and mutex mechanism under Linux - mutex lock. When multiple threads are concurrent, multiple consumers will get data. In this case, the data needs to be protected. For example, like the train ticket system and the bus ticket system, the total number of tickets is fixed, but there are many ticke ...

1. Environment configuration (it is best to use CentOS7, and you can try 8 if you want) docker is usually installed in linux environment, so it is useless to visit Alibaba cloud servers. Watch the activity and find a cheap or free white whoring. Reset next password Open XShell Enter the account and password just now Just connect. ( ...

catalogue 1, Introduction to Nginx 2, Manual installation and deployment 1, Introduction to Nginx The even version of Nginx is a stable version; Odd is the development test version Nginx high-performance, safe and stable WEB server software is installed by default and only one set of websites are published. In the enterprise production en ...