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执行 [root@localhost yum.repos.d]# yum install bind-utils时,报centos-release-scl-rh Could not resolve host: mirrorlist.centos.org; Unknown error 1. 先备份 Ce 阅读全文
posted @ 2025-09-25 15:16
codetodo
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[root@localhost ~]# rpm -qa|grep -i openjdk java-11-openjdk-headless-11.0.23.0.9-2.el7_9.x86_64 java-11-openjdk-devel-11.0.23.0.9-2.el7_9.x86_64 java- 阅读全文
posted @ 2025-09-19 10:22
codetodo
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1.安装java11 [root@localhost ~]# yum install -y java-11-openjdk-devel [root@localhost ~]# java --version openjdk 11.0.23 2024-04-16 LTS OpenJDK Runtime 阅读全文
posted @ 2025-09-18 17:04
codetodo
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mysql> select @@version; + + | @@version | + + | 8.0.34 | + + 1 row in set (0.01 sec) mysql> SHOW VARIABLES LIKE 'collation%'; + + + | Variable_name | 阅读全文
posted @ 2025-09-16 11:11
codetodo
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mysqldump参数详解 **–all-databases , -A ** 导出全部数据库 mysqldump -uroot -p –all-databases –all-tablespaces , -Y 导出全部表空间 mysqldump -uroot -p –all-databases –al 阅读全文
posted @ 2025-09-03 18:18
codetodo
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修改my.cnf [root@daihatestdb12178 ~]# vi /etc/my.cnf 在[mysqld]下增加 skip-grant-tables # For advice on how to change settings please see # http://dev.mysql 阅读全文
posted @ 2025-09-02 17:31
codetodo
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可以用下面几种方式来查找 第一种方式 查找mysql在哪 [root@daiha12147 bin]# which mysql /usr/bin/mysql 开始查找mysql的配置文件所在位置 [root@daiha12147 bin]# /usr/bin/mysql --verbose --he 阅读全文
posted @ 2025-09-02 17:07
codetodo
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