when using keepalive, it is found that the vrrp_scrpt script has not been executed. The configuration is as follows: by configuration, when etc keepalived down exists, the priority of MASTER drops to 80, but the script never triggers. MASTER ...
there are two servers, and the following software is installed at the same time: 1.mysql 2.nginx 3.keepalived Q: how to achieve high availability of mysql and nginx respectively through keepalived? ...
the company has a very basic, very important function. Now want to turn it into a service, so the question is how to make the service highly available. Because the foundation is important, it must not be hung up because it is important, and there must be...
automatic upload is enabled. After uploading 5 images, you cannot choose to upload pictures again. How to break the limit of 5 pictures? ...
in < Effective CPP >, there is a clause like this: Modern CPP programming principles do not recommend the application of macro definition constants or function macros. You should use-sharpdefine as little as possible and, if possible, use const variabl...
pictures are: let image = new Image () Audio has: let audio = new Audio () what about video objects? let audio = new Video () will not find Video ...
using re-form with value is not valid. How can you make the form controlled? ...
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