Category:Linux

  • Kubernetes k8s basic overview, design architecture and design philosophy

    Time:2021-5-6

      Kubernetes k8s overview, features and architecture description, as well as core technical concepts and API object details   Kubernetes overview Kubernetes is an open source, which is used to manage containerized applications on multiple hosts in the cloud platform. The goal of kubernetes is to make the deployment of containerized applications simple and efficient. […]

  • Linux system loading RAID driver tutorial

    Time:2021-5-6

    Linux system is often used by our company. Sometimes we use it as a RAID driver, but when we do the system, it prompts that we can’t find the raid. At this time, we need to load the RAID driver to do the system. 1. Start the CD to enter the installation interface, enter Linux […]

  • Query method of RPM command under Linux

    Time:2021-5-6

    [ [email protected] /]#RPM – QA // view all installed packages [ [email protected] /]#RPM – QA | grep VIM // query the installed package + package name [ [email protected] /]#RPM – Qi libattr devel // query package installation information Name : libattr-devel Relocations: (not relocatable) Version : 2.4.44 Vendor: CentOS Release: 7.el6 build date: 02:54:00, Saturday, […]

  • What if CentOS can’t access the Internet by cable?

    Time:2021-5-5

    If you can’t access the Internet by cable after installing CentOS, please execute this command:lspci | grep -i eth,The result displayed on my terminal is:02:00.0 Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet (rev 08),Then execute the following command:ifconfg,There is no connection in the terminal displayeth0perhapsethx(x stands for 1 to…),If your computer terminal displays a similar […]

  • How to install and uninstall RPM package on Linux

    Time:2021-5-5

    The methods to install and uninstall RPM package on Linux are as follows: 1. How to install RPM package The installation of RMP package can be completed by using program rpm. Execute the following command rpm -i your-package.rpm Where your-package.rpm is the file name of the RPM package you want to install, which is usually […]

  • One of the ways to prevent SSH violent attacks: using denyhosts tool (attachment: mistakenly sealing IP)

    Time:2021-5-4

    Recently, when logging in to the server, the system prompts that there were XXX failed login attempts since the last successful login As Xiaobai, I met him for the first time. Although there was no loss, I also took this opportunity to learn how to deal with it. For the convenience of later use, make […]

  • How to install KVM virtual machine in Linux system

    Time:2021-5-4

    KVM is a virtual machine, mainly used in Linux system, so how to install KVM in Linux system? The following Editor takes centos5.5 as an example to introduce the installation method of KVM. Steps: 1. Check whether the CPU supports virtualization and execute the command # cat / proc / cpuinfo | grep flags The […]

  • Shell script cuts Tomcat’s log file

    Time:2021-5-4

    Since the file cutting of logback and log4j has not been successful in debugging, we can write a script with the shell to cut the log file under Tomcat (if you have successfully used the file cutting in logback or log4j, you can leave the usage, thank you first) 1: Cut the crap and paste […]

  • Restart failed git pull / push operation with expect

    Time:2021-5-3

    Raising of the problem Recently, when I use GitHub to upload and download project code, I often get stuck for a long time. Sometimes I hit git push on the command line and then go to the toilet. As a result, when I came back, I found that the push had already failed and had […]

  • Full analysis of CVS installation configuration and operation command under Linux

    Time:2021-5-3

    Before introducing the CVS command, let’s talk about something elseAs previously said, in addition to the Leyuan file, the warehouse also includes a series of management files. Located at $cvsroot / cvsrootModify the management file method is equivalent to the source code file, using CVS command extraction and modificationThe purpose of each file is described […]

  • How to solve the problem of unable to connect to the network after installing centos6.5 for VMware

    Time:2021-5-3

    VMware is a virtual machine, supporting a variety of popular systems. We can install other systems in VMware virtual machine to meet personal needs, but after installing centos6.5 for VMware, we can’t connect to the network. What’s the reason? Here is a brief introduction to the solution of centos6.5 unable to connect to the network […]

  • Regular expression of Linux shell script programming

    Time:2021-5-3

    A regular expression and wildcard 1 regular expression is used to match qualified strings in files. Regular expression includes matching. Grep, awk, SED and other commands can support regular expression 2. Wildcards are used to match qualified file names. Wildcards are exact matches. Ls, find and CP do not support regular expressions, so they can […]