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October 4, 2020 18:26
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Upgrade MySQL 5.5 to 5.7 on CentOS 6
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# Make sure yum is up-to-date | |
yum update yum | |
# Install yum-utils (it provides yum-config-manager) | |
yum install yum-utils | |
# Backup: dump all databases to all_dbs.sql | |
mysqldump --lock-all-tables --all-databases -uroot -ped8a5f47cbf39f0b5eda6715c85c0ae0 >/root/all_dbs.sql | |
# Stop MySQL daemon | |
service mysqld stop | |
# Download latest MySQL for CentOS 6 | |
wget https://dev.mysql.com/get/mysql80-community-release-el6-2.noarch.rpm | |
sudo rpm -Uvh mysql80-community-release-el6-2.noarch.rpm | |
yum repolist all | grep mysql | |
sudo yum-config-manager --enable mysql57-community | |
sudo yum-config-manager --disable mysql80-community | |
yum update mysql | |
# Start MySQL | |
service mysqld start | |
# If you get any errors you have to remove deprecated variables in etc/my.cnf | |
# Upgrade existing databases | |
mysql_upgrade -uroot -p | |
# Test: | |
mysql -v | |
Welcome to the MySQL monitor. Commands end with ; or \g. | |
Your MySQL connection id is 460 | |
Server version: 5.7.25 MySQL Community Server (GPL) | |
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. | |
Oracle is a registered trademark of Oracle Corporation and/or its | |
affiliates. Other names may be trademarks of their respective | |
owners. | |
Reading history-file /root/.mysql_history | |
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. |
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