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1、查看mysql是否安裝
?方式1:
[root@localhost?usr]#?yum?list?installed?mysql*?? Loaded?plugins:?fastestmirror?? Loading?mirror?speeds?from?cached?hostfile?? ?*?base:?mirrors.yun-idc.com?? ?*?extras:?mirror.neu.edu.cn?? ?*?updates:?mirrors.yun-idc.com?? Installed?Packages?? MySQL-client.x86_64???5.6.27-1.el6????installed?? MySQL-devel.x86_64????5.6.27-1.el6????installed?? MySQL-server.x86_64???5.6.27-1.el6????installed?? [root@localhost?usr]#
方式2(?-i? :不區(qū)分大小寫)：
[root@localhost?usr]#?rpm?-qa?|?grep?-i?mysql?? MySQL-server-5.6.27-1.el6.x86_64?? MySQL-client-5.6.27-1.el6.x86_64?? MySQL-devel-5.6.27-1.el6.x86_64?? [root@localhost?usr]#
2、卸載MySQL
卸載1：
[root@localhost?usr]#?yum?remove?mysql?mysql-server?mysql-libs?compat-mysql51?? [root@localhost?usr]#?rm?-rf?/var/lib/mysql?? [root@localhost?usr]#?rm?/etc/my.cnf
如果裝了mysql-devel(其他一樣add command)，卸載為：
[root@Tony_ts_tian?init.d]#?yum?remove?mysql?mysql-devel?mysql-server?mysql-libs?compat-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
卸載2{繼續(xù)，1，2選擇一種（此處為介紹）：}:
[root@localhost?mysql]#?rpm?-aq?|?grep?-i?mysql?? MySQL-server-5.6.27-1.el6.x86_64?? MySQL-client-5.6.27-1.el6.x86_64?? MySQL-devel-5.6.27-1.el6.x86_64?? [root@localhost?mysql]#?rpm?-e?MySQL-server-5.6.27-1.el6.x86_64?? [root@localhost?mysql]#?rpm?-e?MySQL-client-5.6.27-1.el6.x86_64?? [root@localhost?mysql]#?rpm?-e?MySQL-devel-5.6.27-1.el6.x86_64?? [root@localhost?rc.d]#?cd?/var/lib/?? [root@localhost?lib]#?rm?-rf?mysql/
注:刪除MySQL數(shù)據(jù)庫目錄(關(guān)鍵) ，否則password不更新（默認(rèn)安裝，如果自定義安裝路徑和鏈接路徑ln -s ……請刪除。）
??rm -rf /var/lib/mysql
卸載3：
[root@localhost?usr]#?whereis?mysql?? mysql:?/usr/lib64/mysql?? [root@localhost?usr]#?rm?-rf?/usr/lib64/mysql
注：find / -name mysql
注：清空相關(guān)mysql的所有目錄以及文件和其他配置和設(shè)置等。如果有，則刪除。也必須考慮其他軟件不去影響。
rm -rf /usr/lib/mysql
rm -rf /usr/share/mysql
卸載4：
[root@localhost?usr]#?rm?–rf?/usr/my.cnf?? [root@localhost?usr]#?rm?-rf?/root/.mysql_sercret
卸載5（自啟服務(wù)）：
[root@localhost?usr]#?chkconfig?--list?|?grep?-i?mysql?? [root@localhost?usr]#?chkconfig?--del?mysqld
此處刪除看自己設(shè)置:mysql/mysqld
以上就是MySQL之——CentOS下徹底卸載MySQL的內(nèi)容，更多相關(guān)內(nèi)容請關(guān)注PHP中文網(wǎng)（www.php.cn）！
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