Nginx DNS resolver配置实例,本文讲解在proxy_pass 和 upstream server 通信的时候需要手动指定 resolver,本文就给出了配置实例. nginx 通过 proxy_pass 和 upstream server 通信的时候需要手动指定 resolver.某些时候 DNS 解析失败就会出现这个错误: domain.com could not be resolved. 可以指定多个 DNS 并重置域名 TTL 延长 nginx 解析缓存来保障解析成…
安装和配置好ansible,执行命令时报错如下 [root@test01 ansible-install]# ansible test -m shell -a 'w' >> Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint t…
Centos7.5 ansible第一次使用模块报错 问题: [root@m01 ~]# ansible webservers -m ping -i ./hosts 172.16.1.7 | FAILED! => { "msg": "Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support…
http://www.2cto.com/database/201211/169504.html ERROR 1130 (HY000):Host'localhost'解决方法 ERROR 1130 (HY000): Host 'localhost' is not allowed to connect to this MySQL server www.2cto.com 出现原因: mysql只有一个root用户,修改root密码后选了MD5,提交后,重新 登陆出现“Host 'l…
环境:linux,mysql5.5.21 错误:Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 原因: 同一个ip在短时间内产生太多(超过mysql数据库max_connection_errors的最大值)中断的数据库连接而导致的阻塞: 解决方法: 1.提高允许的max_connection_errors数量(治标不治本): ① 进入Mysql数据库查看max_con…
转自:http://www.cnblogs.com/susuyu/archive/2013/05/28/3104249.html 环境:linux,mysql5.5.21 错误:Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 原因: 同一个ip在短时间内产生太多(超过mysql数据库max_connection_errors的最大值)中断的数据库连接而导致的阻塞: 解…
出现场景: 正常调试是没有问题的,但是在Archive的时候,报出了这个错误. 问题详情: (null): URGENT: all bitcode will be dropped because ‘xxxx’ was built without bitcode. You must rebuild it with bitcode enabled (Xcode setting ENABLE_BITCODE), obtain an updated library from the vendor, or…
错误:Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 原因: 同一个ip在短时间内产生太多(超过mysql数据库max_connection_errors的最大值)中断的数据库连接而导致的阻塞: 解决方法: 1.提高允许的max_connection_errors数量(治标不治本): ① 进入Mysql数据库查看max_connection_errors: show…
用如下方法获取UserId报空引用异常 public class BaseController : Controller { protected SiteContext db = new SiteContext(); protected Guid userId; public BaseController() { userId = Guid.Parse(User.Identity.GetUserId()); } } 由于Controller未初始化完成,User为空,重写初始化方法,在初始化…