Programmer Group

1, YUM overview 1.1 introduction to yum warehouse yum is a software update mechanism based on RPM package (short for red hat package manager), which can automatically solve the dependencies between packages. It solves a lot of time for finding and installing dependent packages in daily work Why does dependency occur? Because linux itself ...

1, Experimental purpose (1) Familiar with terminal and shell   Command format (2) Master the method of getting help and the use of common commands 2, Experimental content be careful: The experimental operations are carried out in the normal user mode, and the super user root is not used; Notice that there are spaces between each line ...

Network Configuration for Linux Linux Gets Network Configuration Automatically It is easy to get the network configuration automatically, but each time you start Linux, the ip addresses may be assigned differently. All of them, getting the network configuration automatically is not suitable as a server The first step is to configure a f ...

2.10.1 Network Parameter Configuration 1. Configure Static Host Name -Profile/etc/hostname - Fixed saved host name, valid for this machine - Permanently configure host name [root@localhost03 ~]# echo svr7.tedu.cn > /etc/hostname [root@localhost03 ~]# cat /etc/hostname #Do not affect the current hostname, need to restart the computer ...

Article references: Installing firewall in Centos7 https://www.cnblogs.com/anxminise/p/9650104.html Firewalls (firewalld and iptables) https://blog.csdn.net/weixin_40658000/article/details/78708375 Operation commands of CentOS7 firewall https://www.cnblogs.com/leoxuan/p/8275343.html https://blog.csdn.net/wangleiqqaaaaa/article/details/1034086 ...

I. overview of YUM 1. Introduction to Yum warehouse Software update mechanism of YuMe... za ● software update mechanism based on RPM package ● dependencies can be resolved automatically ● all software packages are provided by the centralized YUM software warehouse yum is a software update mechanism based on RPM package (short for red hat ...

Linux text file reading describe Text viewing and reading of any operating system is the most basic function; There are mainly seven commands (cat/tac/nl/more/less/head/tail) involved in text reading in linux system cat command Command purpose Read all information from the fileLink and print the contents of multiple files to standa ...

CentOS 7 RPM installs Elasticsearch 7.14.1 and common plug-ins Installing JDK 1.8 Install jdk: Open the official website to download: https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.htmlDownload the Linux x64 RPM Package: jdk-8u301-linux-x64.rpmInput password, 2696671285@qq.com /Oracle123 (if it fails, you can search th ...

Practice content 1. Install centos VI / etc / sysconfig / network scripts / ifcfg-ens33 modify the network configuration file BOOTPROTO=static IPADDR=192.168.100.128~200 Virtual machine IP Address. The last bit is between 128 and 200 NETMASK=255.255.255.0 Subnet mask GATEWAY=192.168.100.2 Default gateway ...

introduce The Linux kernel was originally written by Finnish Linus Torvalds as a hobby when he was studying at the University of Helsinki. Linux is a UNIX like operating system that is free to use and spread. It is a multi-user, multi task, multi thread and multi CPU operating system based on POSIX and UNIX. Linux can run the main UNIX tools, ...