“2019年10月”存档文章有29

nginx: [emerg] open() “/etc/nginx/proxy_params” failed (2: No such file or directory) in /etc/nginx/sites-enabled/default:23

在配置nginx的时候,出现了如下错误:[emerg] open() “/etc/nginx/proxy_params” failed (2: No such file or directory) in /etc/nginx/sites-enabled/default:23具体配置如下:server{ listen 80; server_name r.xxx.com; locati...

Nginx Restart Error: emerg duplicate upstream

最近在重新配置Nginx的时候,出现了如下错误:nginx: [emerg] duplicate upstream "hellomvc" in /etc/nginx/sites-enabled/OAuth.xxx.com:1nginx: configuration file /etc/nginx/nginx.conf test failed出现问题的原因:有多个名称为“hellomvc”的名称。之...

解决@@GLOBAL.GTID_PURGED can only be set when @@GLOBAL.GTID_EXECUTED is empty.

今天在转移数据库的时候,出现了如下错误:ERROR 1840 (HY000) at line 24: @@GLOBAL.GTID_PURGED can only be set when @@GLOBAL.GTID_EXECUTED is empty.错误截图:出现问题的原因以及解决方案,这篇文章已经写的很清楚了,在此不多说。文章地址:解决@@GLOBAL.GTID_PURGED can only ...

Nginx SSL 安全配置最佳实践.

gistfile1.sh# 生成 dhparam.pem 文件, 在命令行执行任一方法: # 方法1: 很慢 openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048 # 方法2: 较快 # 与方法1无明显区别. 2048位也足够用, 4096更强 openssl dhparam -dsaparam -out /etc/nginx/...

SQLAlchemy order_by join查询方式

最近需要查询数据库,使用到了外键查询和排序,具体查询代码如下:get_all = db.session.query(P_List).join(AreaCode).order_by(P_List.id.asc())\ .paginate(page, per_page=current_app.config['FLASKY_POSTS_PER_PAGE'], error_out=Fal...