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30 lines
557 B
Markdown
30 lines
557 B
Markdown
5 years ago
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# MySQL
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## SSH Tunneling
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* to connect to db via SSH tunnel
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```shell
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$ ssh -L [local port]:[database host]:[remote port] [username]@[remote host]
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// example
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$ ssh -L 3307:rr-zf81fzm6ija52q623.mysql.kualalumpur.rds.aliyuncs.com:3306 tenghieyik@172.22.4.252
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```
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* dump
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```mysql
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sql> database_name < dump.sql
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$ mysqldump db_name > backup.sql
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// improve export speed
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$ mysqldump --add-drop-table --add-locks --database db > db.sql
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$ mysql --init-command="SET SESSION FOREIGN_KEY_CHECKS=0;SET UNIQUE_CHECKS=0;" -u root -p < Backup_Database.mysql
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```
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