Programmer Group

A basic concept helm is similar to package manager under Linux system, such as yum/apt, which can deploy yaml files packaged before into kubernetes quickly and conveniently for management and maintenance. helm: A command-line client tool for creating/packaging/publishing kubernetes application charts that have been created and managed and rem ...

Paramiko is a Python SSHv2 protocol that provides client and server functionality. Although it uses a Python C to extend low-level encryption paramiko itself is a pure Python interface around the concept of SSH networking. Install Paramiko pip3 ins ...

There is log rotate in Linux system. It can cut and archive old logs according to our expectation. It can also compress the cut logs and define the retention time of old logs. The requirement of this case is to use shell script to implement logrotate-like functions. Specific requirements are as follows: 1) The log path to be processed: / data/ ...

Uninstall older versions of docker Older versions of docker are called docker or docker-engine.If these are installed, uninstall them and their associated dependencies. sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ ...

Articles Catalogue Resources brief introduction fread, fwrite Basic Knowledge 3.1 Nutx configuration options 3.2 Definition of Nutx File Handles and File Descriptors 3.2.1 file_struct file structure 3.2.2 file_opcreation framework 3.2.3 Standard ...

Catalog Docker container and KVM virtualization Installation and Use of Docker The Use of Vulhub in Vulhub Vulhub Based on Docker Docker container and KVM virtualization Docker Container is an open source application container engine that a ...

Timer Implementation Code introduction Timer scheduling Examples of timer structure Timer Accuracy Error Test results Complete test code Code introduction Learning TDengine ttimer.c Code in. First, look at the data structures used. #define ...

Absrtact: This paper mainly studied how to configure firewall in Linux system. iptables command Iptables is not exactly a firewall, the real firewall is a Netfilter running in the system kernel, and iptables is only a tool to operate netfilter. Its main function is to interact with users, get the user's requirements, and convert them into inf ...

Yesterday the project came online, and after verification, I took a deep breath and went online perfectly without any problems.However, half an hour later, I received an alert from the Operations and Maintenance Team that several ports of a serve ...

How do Java virtual machines load Java classes? This is the Java class loading mechanism that is often asked in interviews. After the interview at the beginning of the year, the newbie magpie can also reverse this process. However, it's just a literal recitation, just like an endorsement test in school. tonight! Let's map it to the real world ...