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  • Flannel CrashLoopBackOff reason

    Flannel CrashLoopBackOff reason

    Syslog Feb 25 14:20:31 ubuntu systemd [1]: Started libcontainer container 15b23c11b8fee60349fd84e928d04d

    Shulou · 2022-06-03 08:47
  • Realize the function of writing log to file under linux and windows

    Realize the function of writing log to file under linux and windows

    Recently, I am doing the function of executing php under the dos command, in order to make the result of execution easy to record, so I need to add a function to generate log. It's very simple. Let's study it together. Windows is generated by date in order to satisfy the log file. Step 1: set the command for the current time (2

    Shulou · 2022-06-03 08:47
  • The influence of microelectronics and computers on electronics

    The influence of microelectronics and computers on electronics

    6.1 Electronic major in the past, electronics is the largest major in science and technology, but the volume has decreased in recent years, but it is still the largest major. I majored in electronics myself. I remember that at that time, the major in electronics was quite good, but these years with the rapid development of microelectronics and computers

    Shulou · 2022-06-03 08:47
  • One of the postfix mail gateways

    One of the postfix mail gateways

    1,58.215.76.168 (internal mail acceptance server) accept post office server [root@mail6 conf] # cat main.cfalias_database = hash:/usr/prima/po

    Shulou · 2022-06-03 08:47
  • GNS3 fourth bullet from scratch (using GNS3 to simulate the switch function)

    GNS3 fourth bullet from scratch (using GNS3 to simulate the switch function)

    Without saying much, we began to do the experiment. First add a device. Because what we are adding is a routing device, we need to replace it with a switch device. Click replace. In this way, our switch will be replaced successfully. There are only two interfaces, but do not use these two interfaces, which are used to receive and output.

    Shulou · 2022-06-03 08:47
  • I. basic concepts

    I. basic concepts

    The computer consists of five units: arithmetic unit, controller, memory, output device and input device. (figure) arithmetic unit: mainly responsible for program operation and logic judgment controller: mainly coordinate the working memory between the peripheral devices and each unit: mainly store the data and programs currently being executed

    Shulou · 2022-06-03 08:47
  • Conditional variables of unix thread synchronization and test examples of mutexes

    Conditional variables of unix thread synchronization and test examples of mutexes

    # include # define satisfy true# define u

    Shulou · 2022-06-03 08:47
  • Nginx Foundation

    Nginx Foundation

    About Nginx: engine X, started development in 2002, opened source in 2004, and on March 11, 2019, Nginx was acquired by F5 Network for $670 million. Nginx is free, open source, high-performance HTTP and reverse

    Shulou · 2022-06-03 08:47
  • Drop the specified process according to the keyword kill

    Drop the specified process according to the keyword kill

    Ps | grep "192.168.1.103" | grep-v grep | xargs kill-9

    Shulou · 2022-06-03 08:46
  • Tencent senior architect will explain the basic principles of kafka to you and take you to practice.

    Tencent senior architect will explain the basic principles of kafka to you and take you to practice.

    Preface Kafka, originally developed by Linkedin, is a distributed, partitioned (partition), multi-copy (replica), distributed messaging system based on zookeeper coordination. Its biggest feature is that it can be processed in real time.

    Shulou · 2022-06-03 08:46
  • Synchronize the SVN code base on Windows to the backup SVN machine

    Synchronize the SVN code base on Windows to the backup SVN machine

    Synchronize the SVN code base on Windows to the backup SVN machine SVN source library IP: 192.168.0.200SVN target library (backup library) IP:192.168.0.62visualSVN Server version: VisualS

    Shulou · 2022-06-03 08:46
  • Makefile writing rules

    Makefile writing rules

    1 makefile basic rules TARGET... : DEPENDENCIES...    COMMAND   ... Files produced by TARGET programs, such as executable files and object files; targets can also be actions to be performed, such as "cl"

    Shulou · 2022-06-03 08:46
  • The case of Unix Study-- configuring S under Solaris 10

    The case of Unix Study-- configuring S under Solaris 10

    The case of Unix Study-configuring SAMBASamba services under Solaris 10 can quickly realize file sharing between Unix and Windows environments. It is very easy to configure Samba under Solaris 10. Here are the specific configurations

    Shulou · 2022-06-03 08:46
  • Exchange2016 deployment and configuration (4)-Certificate Application and configuration

    Exchange2016 deployment and configuration (4)-Certificate Application and configuration

    After completing the certificate installation in the previous chapter, you need to complete the certificate application and configuration. First, open the EAC application certificate on the mailbox role server and navigate to: server-Certificate, create a new exchange certificate naming default select the server where the certificate is stored, and keep the virtual directory information related to the certificate.

    Shulou · 2022-06-03 08:46
  • Git learning

    Git learning

    First, install and configure Git (system: Windows 10 64-bit) 1. Go to the Git official website to download and install. two。 The Git configuration file for each warehouse is a .git / config file, and the current user's Git configuration file is .gitconfi under the user's home directory.

    Shulou · 2022-06-03 08:46
  • Cloud Computing Learning Roadmap material Courseware: Docker Container Application scenario Analysis

    Cloud Computing Learning Roadmap material Courseware: Docker Container Application scenario Analysis

    Docker container is an open source application container engine, which can automatically perform repetitive tasks, such as building and configuring the development environment. Users can easily create and use containers, as well as version management, replication, sharing, and modification. There are many beginners in cloud computing who don't know Docker.

    Shulou · 2022-06-03 08:46
  • Development Strategy of DM8127 for Image recognition-- Analysis and compilation of RDK Software Architecture

    Development Strategy of DM8127 for Image recognition-- Analysis and compilation of RDK Software Architecture

    The previous article "Image recognition DM8127 Development Strategy-Development Environment Building" introduced the construction of the development environment of DM8127, so this article begins to describe the architecture of the entire IPNC RDK. If you are not familiar with this IPNC RDK, the following migration work can not be carried out.

    Shulou · 2022-06-03 08:46
  • Kubeernetes binary cluster deployment one-- etcd components, f

    Kubeernetes binary cluster deployment one-- etcd components, f

    Main points: 1. Environment package preparation 2, deployment etcd storage 3, deployment flannel network components 1, environment preparation: software master (192.168.109.138) kube-apiserver, kube-cont that the host needs to install

    Shulou · 2022-06-03 08:45
  • Method of saving command line output information to log (valid under ubunut and arm-linux)

    Method of saving command line output information to log (valid under ubunut and arm-linux)

    Use the command script to type script xxx.log under the command line and generate the xxx.log file under the current directory. The next output information from the command line will be saved to the xxx.log file. When you want to end the save, type exit under the command line.

    Shulou · 2022-06-03 08:45
  • The difference between server port 443 and port 80

    The difference between server port 443 and port 80

    Today, I will explain to you that the biggest difference between these two ports lies in their different services: Port: 80 Service: HTTP description: for web browsing. Wood ma Executor open this port: 443 service: Https description: Web browsing port, can provide encryption

    Shulou · 2022-06-03 08:45