The automatic update function of WordPress is very useful, but sometimes it is troublesome when the update is interrupted due to network problems. When updating again, there will be a prompt that "another update is in progress", and it will stop. The answers found on the Internet are basically to delete the core_updater.lock lock file of the database, but it is still a difficult problem for novices to find this problem, so this article mainly talks about how to find core_updater.lock.
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WordPress Manual Upgrade Update Method
Resolve the problem that WordPress plug-in updates "require access to your web server"
in any case Be sure to back up, backup, and backup the database before you start Say important things three times.
Open phpmyadmin, click wp options on the left, and the default number of displayed lines is 25, so core_updater.lock cannot be found.
Change the number of lines to 500, and then search again to find it. Click Delete to finish.
Finally, return to the WordPress online upgrade interface and click Normal Upgrade.
The online upgrade of WordPress will be very slow because it is connected to foreign servers. Wait patiently until the display upgrade is completed. If the link fails, go to the next step.
