shell脚本实列学习

# cd 到root主目录
cd ~
vim .vimrc
# 添加如下内容
:set number
# 保存退出即可

 1 tar -xzvf ./apollo.tar.gz -C /opt/   # 解压该压缩包到opt/目录下
 2 
 3 # 使用sed -i 命令修改配置文件的第十九行，修改为：spring.datasource.password = Kuaiye*2021
 4 sed -i '19c spring.datasource.password = Kuaiye*2021' /opt/apollo/portal/config/application-github.properties
 5 sed -i '19c spring.datasource.password = Kuaiye*2021' /opt/apollo/admin/config/application-github.properties
 6 sed -i '19c spring.datasource.password = Kuaiye*2021' /opt/apollo/config/config/application-github.properties
 7 
 8 # $a：在配置文件最后一行添加内容：[client]
 9 sed -i '$a [client]' /etc/my.cnf
10 sed -i '$a password= Kuaiye*2021' /etc/my.cnf
11 # 操作数据库,这种对数据库的操作方式是对配置文件：my.cnf修改来完成的，实际中不建议操作，因为密码直接写在了my.cnf文件中，稍微厉害的人就能发现密码，从而对数据库产生安全威胁。
12 mysql -u root << EOF
13 create database ApolloConfigDB;
14 create database ApolloPortalDB;
15 use ApolloConfigDB;
16 source ./../apolloconfigdb.sql;
17 use ApolloPortalDB;
18 source ./../apolloportaldb.sql;
19 EOF
20 
21 # 启动
22 /opt/apollo/config/scripts/startup.sh && /opt/apollo/admin/scripts/startup.sh  && /opt/apollo/portal/scripts/startup.sh

 1 # data:2022.1.10
 2 # author:liudongdong
 3 # content:mysql and java
 4 # version:mysql-5.7+java-openjdk.1.8.0
 5 
 6 # install java
 7 rpm -ivh jdk-8u311-linux-x64.rpm
 8 java -version
 9 
10 
11 # install mysql
12 yum localinstall -y ./mysql-community-common-5.7.35-1.el7.x86_64.rpm
13 yum localinstall -y ./mysql-community-libs-5.7.35-1.el7.x86_64.rpm
14 yum localinstall -y ./mysql-community-client-5.7.35-1.el7.x86_64.rpm
15 yum localinstall -y ./mysql-community-server-5.7.35-1.el7.x86_64.rpm
16 
17 systemctl start mysqld
18 systemctl enable mysqld
19 systemctl status mysqld
20 
21 #sed -i '$a [client]' /etc/.my.cnf
22 #sed -i '$a password= Kuaiye*2021' /etc/.my.cnf
23 
24 password=$(cat /var/log/mysqld.log |grep "generated"|cut -d : -f 4|cut -d' ' -f 2)
25 echo "请及时修改mysql密码，修改语句为：ALTER USER 'root'@'localhost' IDENTIFIED BY 'Kuaiye*2021';"
26 echo "mysql初始密码为：${password}"
27 mysql -u root -p

 1 #! /bin/bash
 2 
 3 rpm -ev --nodeps mysql-community-common-5.7.35-1.el7.x86_64
 4 rpm -ev --nodeps mysql-community-client-5.7.35-1.el7.x86_64
 5 rpm -ev --nodeps mysql-community-server-5.7.35-1.el7.x86_64
 6 rpm -ev --nodeps mysql-community-libs-5.7.35-1.el7.x86_64
 7 
 8 rpm -qa|grep mysql
 9 
10 rm -rf /usr/lib64/mysql
11 rm -rf /usr/share/mysql
12 
13 echo "complete!"