How to upgrade the MySQL version of wdCP panel

The wdCP panel was installed before mainly to build a WordPress personal blog. Then I went to the WordPress official website and found that the system requirements are PHP7.3 version and MySQL5.6 or above. Therefore, the editor will introduce the process of upgrading the versions of PHP and database.

I installed the wdCP panel before mainly to build a WordPress personal blog. Then I went to the WordPress official website and found that the system requirements are PHP7.3 version and MySQL5.6 or above.

So, I immediately upgraded the PHP version (very convenient and not troublesome), and then it toHow to upgrade the MySQL version of 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 the MySQL version of 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 in copied form into the Linux terminal. 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.

How to upgrade the MySQL version of wdCP panel. Close the mysql service, back up the data, and put in the new my.cnf; to upgrade the MySQL version of wdCP panel>

service mysqld stop
mkdir -p /www/wdlinux/mysql_bk
cp -pR /www/wdlinux/mysql/data/* /www/wdlinux/mysql_bk
mv /www/wdlinux/etc/my.cnf /www/wdlinux/etc/my_old.cnf

2. Install the required components for compilation Environmental components

yum install cmake gcc gcc-c++ make zlib-devel ncurses-devel bison -y

3. Go to the official website to download the corresponding source code package and compile and install it. It should be noted that mysql5.5 and later use cmake for compilation

wget https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel.tar.gz
tar -zxvf mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel.tar.gz
cd mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel
cmake -DCMAKE_INSTALL_PREFIX=/www/wdlinux/mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel -DMYSQL_DATADIR=/www/wdlinux/mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel/data -DDOWNLOAD_BOOST=How to upgrade the MySQL version of wdCP panel -DWITH_BOOST=boost/boost_How to upgrade the MySQL version of wdCP panel_59_0/ -DSYSCONFDIR=/www/wdlinux/etc -DWITH_INNOBASE_STORAGE_ENGINE=How to upgrade the MySQL version of wdCP panel -DWITH_PARTITION_STORAGE_ENGINE=How to upgrade the MySQL version of wdCP panel -DWITH_FEDERATED_STORAGE_ENGINE=How to upgrade the MySQL version of wdCP panel -DWITH_BLACKHOLE_STORAGE_ENGINE=How to upgrade the MySQL version of wdCP panel -DWITH_MYISAM_STORAGE_ENGINE=How to upgrade the MySQL version of wdCP panel -DWITH_EMBEDDED_SERVER=How to upgrade the MySQL version of wdCP panel -DENABLE_DTRACE=0 -DENABLED_LOCAL_INFILE=How to upgrade the MySQL version of wdCP panel -DDEFAULT_CHARSET=utf8mbHow to upgrade the MySQL version of wdCP panel -DDEFAULT_COLLATION=utf8mbHow to upgrade the MySQL version of wdCP panel_general_ci -DEXTRA_CHARSETS=all
make && make install

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

How to upgrade the MySQL version of wdCP panel. Modify the mysql folder hyperlink in wdcp**

rm -f /www/wdlinux/mysql
ln -sf /www/wdlinux/mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of wdCP panel /www/wdlinux/mysql

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

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**

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 the MySQL version of wdCP panel needs to be executed in the /www/wdlinux/mysql-5.6.How to upgrade the MySQL version of wdCP panelHow to upgrade the MySQL version of 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/mysqlHow to upgrade the MySQL version of wdCP panel
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**

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

Finally saw this, tears...

Related learning recommendations: mysql tutorial(video)

The above is the detailed content of How to upgrade the MySQL version of wdCP panel. For more information, please follow other related articles on the PHP Chinese website!