服务器常用软件安装

服务器常用软件安装

1 mysql

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

yum -y install mysql57-community-release-el7-10.noarch.rpm

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

yum -y install mysql-community-server

systemctl start mysqld.service

systemctl status mysqld.service

grep "password" /var/log/mysqld.log
root@localhost: qU5N5N 

mysql -uroot -p

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123@Efzy';
开启mysql的远程访问

mysql>use mysql;
mysql>update user set host ='%' where user ='root';
mysql> flush privileges; 

mysql> exit

修改语言
vim /etc/my.cnf

[client]

default-character-set=utf8

[mysqld]

default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

２ 安装ｊａｖａ

yum -y install java-1.8.0-openjdk java-1.8.0-openjdk-devel

/etc/profile 中增加：

# java_home的路径可能不同，需要到你电脑里的位置，java_home的路径一般在/usr/lib/jvm/，文件的名字可能不同，改成你里面的名字就好，如下图所示
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.121-0.b13.el7_3.x86_64

export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
 
export PATH=$PATH:$JAVA_HOME/bin

source /etc/profile

java -version