Programmer Group

1. Download mysql binary installation package and dependency package wget http://mirror.centos.org/centos/7/os/x86_64/Packages/libaio-devel-0.3.109-13.el7.x86_64.rpm wget http://mirror.centos.org/centos/7/os/x86_64/Packages/libaio-0.3.109-13.el7.x86_64.rpm wget https://mirrors.tuna.tsinghua.edu.cn/mysql/downloads/MySQL-5.7/mysql-5.7.25-linux-g ...

MySQL installation (4, 5, 6 can be omitted) Declaration: CentOS version is 7.6, MySQL version installed is 8.0.17 1. First, uninstall mysql, including MariaDB. rpm -pa | grep mysql #Use 'rm -rf file name' to delete the found results, and skip if not rpm -pa | grep mariadb #Use 'rm -rf file name' to delete the found results, and skip if not fi ...

1. Stop mysql service first ​[root@CentOS ~]# ps -ef | grep mysql root 5365 1 0 15:47 pts/0 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/CentOS.pid mysql 5452 5365 4 15:47 pts/0 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --d ...

yum source configuration is often used in work, especially when installing databases, it is time-consuming to install dependency packages one by one, so it is enough to configure yum installation directly. 1. yum configuration instructions (reprinted in this section) The configuration file for yum is divided into two parts: main and repositor ...

os: centos 7.6 db: oracle 19.3 Preparation data Create table -- drop table tmp_t0; create table tmp_t0 ( id VARCHAR2(100), name VARCHAR2(100), memo VARCHAR2(100) ) ; -- drop table tmp_t1; create table tmp_t1 ( id VARCHAR2(100), name VARCHAR2(100) ) ; insert data insert into tmp_t0 val ...

Purpose of this chapter: Client Centos7-1 can enjoy the YUM repository of remote server Centos7 This chapter environment: a server Centos7, a client Centos7-1, VM Virtual Machine 1. Install vsftpd service [root@localhost ~]# yum install vsftpd -y Loaded plug-ins: fastest mirror, langpacks Loading mirror speeds from cached hostfile * base: m ...

1,Oracle Linux(Download address) (1)OracleLinux-Release6-Update0-x86_64-dvd.iso(2)OracleLinux-Release6-Update1-x86_64-dvd.iso(3)OracleLinux-Release6-Update2-x86_64-dvd.iso(4)OracleLinux-Release6-Update3-x86_64-dvd.iso(5)OracleLinux-Release6-Update4-x86_64-dvd.iso(6)OracleLinux-Release6-Update5-x86_64-dvd.iso(7)OracleLinux-Release6-Update6-x86 ...

I. demand Base new to 300 servers, need to install the operating system version 7.6 of CentOS, choose to use PXE for batch installation. II. Preparations Use the layer-2 switch to connect the server without the operating system installed, so as to avoid affecting the normal server of the current network. Upload the operating system image to ...

Environmental Science: 192.168.205.37: as master server 192.168.205.47: as slave server Edition: OS: centos 7 1810 with mini install mysql-5.7.26-el7-x86_64.tar.gz Purpose: GTID(global transaction ID) global transaction identifier, MySQL 5.6 version began to support, GTID replication, unlike traditional replication (asynchronous delayed re ...

Write on the premise that you can use it 1. Determine the type of all files in / var / directory [root@linux1 scripts]# cat filetype.sh #!/bin/bash for i in $(find /var);do if [ -b $i ];then echo "$i It's a block device." elif [ -c $i ];then echo "$i It's a character device." elif [ -f $i ];then echo "$i It's an or ...