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mysql数据库 时间:2024-11-28 13:27:06
作者:文/会员上传
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1、查看MySQL是否安装方式1:[root@localhostusr]#yumlistinstalledmysql*Loadedplugins:fastestmirrorLoadingmirrorspeedsfromcachedhostfile*base:mirrors.yun-idc.com*ex
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1、查看MySQL是否安装
方式1:
[root@localhostusr]#yumlistinstalledmysql*Loadedplugins:fastestmirrorLoadingmirrorspeedsfromcachedhostfile*base:mirrors.yun-idc.com*extras:mirror.neu.edu.cn*updates:mirrors.yun-idc.comInstalledPackagesMySQL-client.x86_645.6.27-1.el6installedMySQL-devel.x86_645.6.27-1.el6installedMySQL-server.x86_645.6.27-1.el6installed[root@localhostusr]#
方式2( -i :不区分大小写):
[root@localhostusr]#rpm-qa|grep-imysqlMySQL-server-5.6.27-1.el6.x86_64MySQL-client-5.6.27-1.el6.x86_64MySQL-devel-5.6.27-1.el6.x86_64[root@localhostusr]#
2、卸载MySQL
卸载1:
[root@localhostusr]#yumremovemysqlmysql-servermysql-libscompat-mysql51[root@localhostusr]#rm-rf/var/lib/mysql[root@localhostusr]#rm/etc/my.cnf
如果装了mysql-devel(其他一样add command),卸载为:
[root@Tony_ts_tianinit.d]#yumremovemysqlmysql-develmysql-servermysql-libscompat-mysql51
注(例如):
mysql-5.5.39-1.el6.remi.x86_64
mysql-libs-5.5.39-1.el6.remi.x86_64
compat-mysql51-5.1.54-1.el6.remi.x86_64
mysql-server-5.5.39-1.el6.remi.x86_64
卸载2 {继续,1,2选择一种(此处为介绍):}:
[root@localhostmysql]#rpm-aq|grep-imysqlMySQL-server-5.6.27-1.el6.x86_64MySQL-client-5.6.27-1.el6.x86_64MySQL-devel-5.6.27-1.el6.x86_64[root@localhostmysql]#rpm-eMySQL-server-5.6.27-1.el6.x86_64[root@localhostmysql]#rpm-eMySQL-client-5.6.27-1.el6.x86_64[root@localhostmysql]#rpm-eMySQL-devel-5.6.27-1.el6.x86_64[root@localhostrc.d]#cd/var/lib/[root@localhostlib]#rm-rfmysql/
注:删除MySQL数据库目录(关键) ,否则password不更新(默认安装,如果自定义安装路径和链接路径ln -s ……请删除。)
rm-rf/var/lib/mysql
卸载3:
[root@localhostusr]#whereismysqlmysql:/usr/lib64/mysql[root@localhostusr]#rm-rf/usr/lib64/mysql
注:find / -name mysql
注:清空相关mysql的所有目录以及文件和其他配置和设置等。如果有,则删除。也必须考虑其他软件不去影响。
rm-rf/usr/lib/mysqlrm-rf/usr/share/mysql
卸载4:
[root@localhostusr]#rm–rf/usr/my.cnf[root@localhostusr]#rm-rf/root/.mysql_sercret
卸载5(自启服务):
[root@localhostusr]#chkconfig--list|grep-imysql[root@localhostusr]#chkconfig--delmysqld
此处删除看自己设置:mysql/mysqld
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