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HomeDatabaseMysql TutorialHow to upgrade MySQL version to 5.6 in wdCP panel

This article will introduce to you how to upgrade the MySQL version of wdCP panel to 5.6. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

How to upgrade MySQL version to 5.6 in wdCP panel

Preface

The main purpose of installing the wdCP panel before was to build a WordPress personal blog. Then I went to the WordPress official website and found that the system required PHP7.3 version. and MySQL5.6 or above.

How to upgrade MySQL version to 5.6 in wdCP panel

So, I immediately upgraded the PHP version (very convenient and not troublesome), and then it toHow to upgrade MySQL version to 5.6 in wdCP panel me a long time to upgrade the database (I believe you can read it in this article to my twists). Finally, when the blog I wrote toHow to upgrade MySQL version to 5.6 in wdCP panel a screenshot of the official WordPress website, I found the sentence "But these are not necessary..." and my mentality collapsed.

Server environment

System: CentOS7.7

Panel: wdCP v3.3.9

wdCP built-in database: MySQL 5.5.62

MySQL upgrade steps

In order to reduce the possibility of errors, it is best to enter the following commands into the Linux terminal in copied form. Because the article has an original statement (shameless), you can copy the command to Notepad first, and then copy it into the terminal. In order to facilitate troubleshooting, I also copied some running results.

Because some commands have path problems during the process, I don’t know if I can directly write them into a .sh file and then run them directly. I saw many blogs saying it was possible, but I was skeptical and wouldn’t recommend it for a novice like me to try.

1. Close the mysql service, back up the data, and put in the new my.cnf; to upgrade MySQL version to 5.6 in wdCP panel>
wget https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel.tar.gz
tar -zxvf mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel.tar.gz
cd mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel
cmake -DCMAKE_INSTALL_PREFIX=/www/wdlinux/mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel -DMYSQL_DATADIR=/www/wdlinux/mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel/data -DDOWNLOAD_BOOST=1 -DWITH_BOOST=boost/boost_1_59_0/ -DSYSCONFDIR=/www/wdlinux/etc -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_EMBEDDED_SERVER=1 -DENABLE_DTRACE=0 -DENABLED_LOCAL_INFILE=1 -DDEFAULT_CHARSET=utf8mbHow to upgrade MySQL version to 5.6 in wdCP panel -DDEFAULT_COLLATION=utf8mbHow to upgrade MySQL version to 5.6 in wdCP panel_general_ci -DEXTRA_CHARSETS=all
make && make install

There are many commands in this step, so be sure not to copy and omit them! ! ! At the same time, the waiting time will be relatively long, so you need to maintain a certain amount of patience.

How to upgrade MySQL version to 5.6 in wdCP panel

How to upgrade MySQL version to 5.6 in wdCP panel. Modify the mysql folder hyperlink in wdcp**to upgrade MySQL version to 5.6 in wdCP panel>
rm -f /www/wdlinux/mysql
ln -sf /www/wdlinux/mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel /www/wdlinux/mysql

How to upgrade MySQL version to 5.6 in wdCP panel

Note: If you There is a problem with the execution, which means that the copy of make install may have been missed in the previous step (don't ask, it's just me who made a mistake).

5. Initialize mysql and grant permissions to upgrade MySQL version to 5.6 in wdCP panel>

The command for this step is executed in the /www/wdlinux/mysql directory, please pay attention to switching.

scripts/mysql_install_db --user=mysql --basedir=/www/wdlinux/mysql --datadir=/www/wdlinux/mysql/data
chown -R mysql.mysql /www/wdlinux/mysql/data
6. Operation data restoration**to upgrade MySQL version to 5.6 in wdCP panel>

This step is quite tricky. It is best to copy the commands step by step! Because after executing the first line of the cp command (you have to press y many times), you will be asked whether to overwrite it, so all the commands you copied later will be gone.

The cp command in lines 3 and How to upgrade MySQL version to 5.6 in wdCP panel needs to be executed in the /www/wdlinux/mysql-5.6.How to upgrade MySQL version to 5.6 in wdCP panelHow to upgrade MySQL version to 5.6 in wdCP panel directory using the cd command. I am talking about my own directory. You can adjust it according to your own situation. (It’s all my fault)

mv /www/wdlinux/mysql/data/mysql /www/wdlinux/mysql/data/mysql1
cp -pR /www/wdlinux/mysql_bk/* /www/wdlinux/mysql/data/
cp support-files/mysql.server /www/wdlinux/init.d/mysqld
cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /www/wdlinux/init.d/mysqld
chmod 755 /etc/init.d/mysqld
7. Start mysql and use mysql_upgrade to repair the structural errors after mysql upgrade**to upgrade MySQL version to 5.6 in wdCP panel>

If your mysql_upgrade command reports an error in this step, it means If there is a problem with the previous step, you can execute the command in step 6 again.

service mysqld start
mysql_upgrade -u root -p

When I finally saw this, I burst into tears...

How to upgrade MySQL version to 5.6 in wdCP panel

Related recommendations: "mysql tutorial"

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