The first: make changes to the wordpress URL in the background, resulting in not landing the background.
Solution:
1, first of all we log MySql database, this I do not teach it;
2, see the table "wp_options" of data (not necessarily your table is "wp" begins);
3, the address before modification "option_name" to "siteurl" and "home" in the two records (typically the first page and second page), the normal content to be used;
4. After saving the data, you can log in again and the background of the website.
The second: wordpress theme loss and the background can not enter.
symptom:
- Get in the background. When the input position of the spool file in the browser bar inside the 404 page error.
- Topic is missing. All styles of all the failures blog page, a page of text on the left of the page.
- Inside input browser either http://www.seonote.net/blog/wp-admin or http://www.seonote.net/wp-admin have been the same error: missing wp-login.php file .
the reason:
Set in the background a little, take seo notes to be an example, is put that back to the blog removed, has led to the above problem.
Solution:
Confirmed directory is wp-login.php this document, it should not be caused by the lack of documents, since the file is there, but the time said it was an error does not exist, then there is only one reason, the file wp-admin this page do not know wp-login.php where to find this file, the disappearance of another theme should also be because they do not know where to find the appropriate topic caused.
Because in the background the wrong settings caused the present situation, as long as that change should come back all right, but now is not get back, I can only think of a way from the database. Finding relevant information is later found to wordpress wp_options path information is stored in this table inside. Here say about specific solutions:
- Enter the phpmyadmin page via Cpanel panel.
- Select the blog you write database.
- Select wp_options this table, switch to Browse (browse) mode.
- The value of siteurl back to http://www.seonote.net/blog .
- So far, wordpress know how to find the appropriate theme and form, and the problem is solved.
Said bluntly the purpose of doing this is to make http://www.seonote.net/ can be automatically redirected to http://www.seonote.net/blog , this can be done with a 301 turn, specific methods online many, who are interested can look at Soso.
Third: wordpress upload server can only be opened after the Home link, the other link will not work, the background can be opened.
First fixed connection into default, delete the .htaccess file in the root directory;
then fixed to change it back, and this time it will automatically generate a .htaccess file.
Fourth: The front desk can show, not landing a blank background.
Solution:
Generally this is mainly wordpress plugin problem, first use your FTP tool to connect to your space, then enter the FTP to wordpress installation directory, the plugins files in the folder renamed wp-content directory, that is to say the "plugins "into a" plugin ", so the front desk to call those modules plug-in will appear" Database Results Error ". This time your wordpress backend will already landed. Login address is: http: // your blog address /wp-login.php, such as: HTTP:. // the WWW SEO note.net/wp-login.php, after landing you can plug-in management background columns, see all the plug-ins have been disabled, this time you will be able to "plugin" folder name back to its original name of "plugins", then you can find one by one to debug the problem plug-ins.
Fifth: upgrade wordpress causes a background can not login.
Go directly to the ftp, the object-cache.php under wp-content change of name or delete, and then into the background, OK.
Because of this "non-plug-in" object-cache can significantly reduce the query speed for still plays a significant role, who saw related articles webmasters are used. But in fact this has been classified as wp3.0 internal plug-in, and may lead to some unknown problems. I think sometimes, especially cache buffer will affect the database upgrade, inexplicable problem to install plug-ins. When these operations occur as strange, go check this.
PS: The object-cache good use, later renamed into the background. After successfully enabled or plug-in, and then change back test, no problem, it is estimated that the cache is updated.
Original link: https://blog.csdn.net/sweiseo/article/details/12267229