###校验文件
md5sum mysql-8.0.30-linux-glibc2.12-x86_64.tar.xz
2469b1ae79e98110277d9b5bee301135 mysql-8.0.30-linux-glibc2.12-
x86_64.tar.xz
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[root@mysql01 ~]# rpm -qa|grep -i mysql
[root@mysql01 ~]# rpm -qa|grep -i mariadb
mariadb-libs-5.5.68-1.el7.x86_64
[root@mysql01 ~]# rpm -e mariadb-libs-5.5.68-1.el7.x86_64
error: Failed dependencies:
libmysqlclient.so.18()(64bit) is needed by (installed) postfix-
2:2.10.1-9.el7.x86_64
libmysqlclient.so.18(libmysqlclient_18)(64bit) is needed by
(installed) postfix-2:2.10.1-9.el7.x86_64
#------------先卸载postfix,然后再卸载mariadb-----------------
[root@mysql01 ~]# rpm -e postfix-2:2.10.1-9.el7.x86_64
[root@mysql01 ~]# rpm -e mariadb-libs-5.5.68-1.el7.x86_64
[root@mysql01 ~]# rpm -qa|grep -i mariadb
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cd /opt
###解压xz文件
unxz mysql-8.0.30-linux-glibc2.12-x86_64.tar.xz
###解压tar文件
tar -xvf mysql-8.0.30-linux-glibc2.12-x86_64.tar
###移动至/usr/local/mysql下
mv mysql-8.0.30-linux-glibc2.12-x86_64 /usr/local/mysql
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