记录一次在linux环境下安装mysql 一、下载安装包
下载地址:mysql安装包下载地址
二、解压下载的mysql压缩包1、通过ftp工具将压缩包上传到linux服务器,下面是我存放的位置,你自己选择存放位置 2、解压
cd /usr/local #切换到安装包所在目录 tar -zxvf mysql-5.7.30-linux-glibc2.12-x86_64.tar.gz解压后: 3、给文件目录中文件移动到mysql文件夹中
mv mysql-5.7.30-linux-glibc2.12-x86_64 /usr/local/mysql 三、添加用户组和用户,并赋予权限 groupadd mysql useradd -r -g mysql mysql 四、在根目录创建mysql数据目录,并赋予权限 mkdir -p /data/mysql chown mysql:mysql -R /data/mysql 五、配置my.cnf记得备份这个文件 切换到这个文件所在目录:/etc cp my.cnf my.cnf.default
vi /etc/my.cnf下面的配置仅供参考
[client] port = 3306 [mysqld] bind-address=0.0.0.0 port=3306 user=mysql basedir=/usr/local/mysql datadir=/data/mysql socket=/tmp/mysql.sock log-error=/data/mysql/mysql.err pid-file=/data/mysql/mysql.pid #character config character_set_server=utf8mb4 explicit_defaults_for_timestamp=true # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 # Settings user and group are ignored when systemd is used. # If you need to run mysqld under a different user or group, # customize your systemd unit file for mariadb according to the # instructions in http://fedoraproject.org/wiki/Systemd sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION [mysqld_safe] log-error=/var/log/mariadb/mariadb.log pid-file=/var/run/mariadb/mariadb.pid # # include all files from the config directory # !includedir /etc/my.cnf.d 六、初始化数据库切换到mysql安装目录的bin目录下
cd /usr/local/mysql/bin ./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initializeps:如果在初始化出现问题,如: 解决办法: 1、查看这个是不是存在:
rpm -qa|grep libaio2、不存在的话安装一下
yum install libaio-devel.x86_64 七、启动mysql1、先将mysql.server放置到/etc/init.d/mysql中
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql2、启动mysql
service mysql startps:启动会报错,因为找不到配置文件中的文件 下面是报错内容 解决办法: 创建文件并赋予权限
touch /var/log/mariadb/mariadb.log chown -R mysql:mysql /var/log/mariadb/接着启动mysql
service mysql start 八、修改密码1、查看默认密码:
cat /data/mysql/mysql.err2、切换到mysql的bin目录下,登录mysql
./mysql -u root -pps:注意复制下面命令的时候,结尾的“;”需要手动输入
SET PASSWORD = PASSWORD('123456'); ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER; FLUSH PRIVILEGES;3、navicat远程登录
use mysql update user set host = '%' where user = 'root'; FLUSH PRIVILEGES;– 有帮助的小伙伴评论区留个脚印👣
参考博文:https://blog.csdn.net/qq_37598011/article/details/93489404
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标签: #Linux #mysql57安装 #usrlocal #切换到安装包所在目录tar #zxvf