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...
I have encountered some bottlenecks recently. I always feel that I don t know how to improve my level. I want to see what level you think the three-year php should have ...
java.sql.SQLException: Unknown character set index for field 255 received from server. at com.mysql.jdbc.Connection.getCharsetNameForIndex(Connection.java:1679) at com.mysql.jdbc.Field.<init>(Field.java:161) at com.mysql.jdbc.MysqlI...
from fake_useragent import UserAgent class RandomUserAgent(object): def __init__(self, crawler): super(RandomUserAgent, self).__init__() self.ua = UserAgent(verify_ssl=False) self.ua_type = crawler.settings.get( RANDOM_UA_T...
problem description has been developed and uploaded to npm, and uploaded to my own install. After registration to componts, it can only be used under vue.use (). Without use, it cannot be rendered. I think some components don t need vue.use. How do ...
<template> <div> <div class="form-group"> <label >< label> <input type="text" class="form-control" v-model="k"> < div> <div class="form-gr...