kpwzto.info

Tác giả: khoinv.kpwzto

  • set limit request nginx req zone

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    khoinv.kpwzto
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    config ở /etc/nginx/nginx.conf trong http{} limit_req_zone $binary_remote_addr zone=ip:50m rate=30r/s; In location của từng config: limit_req zone=ip burst=30 delay=10;   bài viết: https://vietnix.vn/huong-dan-cau-hinh-nginx-rate-limit/  

  • set too open many files nginx

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    khoinv.kpwzto
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    worker_rlimit_nofile 100000; events { worker_connections 5000; # multi_accept on; }

  • max connect php fpm

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    khoinv.kpwzto
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    This happens because the operating system rejects nginx’s attempts to connect to a unix socket. The reason is either the maximum number of socket connections or the maximum number of unhandled socket connections has been exceeded. Checking the limits: sysctl net.core We are interested in the lines: net.core.somaxconn = 128 net.core.netdev_max_backlog = 200 Because of…

  • iptables

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    khoinv.kpwzto
    in

    Show rule with line number: iptables -L –line-numbers DROP RULE: sudo iptables -D INPUT number   Accept port with special IP: Chèn lên đầu sudo iptables -I INPUT 1 -p tcp –dport 80 -s {IP} -j ACCEPT   DROP ALL A PORT: sudo iptables -I INPUT 7 -p tcp –dport 22 -j DROP DROP  …

  • docker-compose yarn dev with port export

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    khoinv.kpwzto
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    docker-compose run –rm –service-ports app yarn

  • Too many open files

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    khoinv.kpwzto
    in ,

    What Is the Too Many Open Files Error? Amongst its other gazillion jobs, the kernel of a Linux computer is always busy watching who’s using how many of the finite system resources, such as RAM and CPU cycles. A multi-user system requires constant attention to make sure people and processes aren’t using more of any given system resource than is appropriate. It’s…

  • php-fpm

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    khoinv.kpwzto
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    Với CentOS 7 – 8 Lệnh restart PHP-FPM trên CentOS 7 – 8 Sử dụng lệnh sau để restart PHP-FPM: $ sudo systemctl restart php-fpm Bạn cũng cần nắm những lệnh sau để sử dụng trong quá trình làm việc với PHP-FPM trên CentOS 7 & 8: Lệnh start PHP-FPM: $ sudo systemctl start php-fpm…

  • centos ERROR CONNECTION nginx add firewall

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    khoinv.kpwzto
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    sudo firewall-cmd –permanent –zone=public –add-service=http sudo firewall-cmd –permanent –zone=public –add-service=https sudo firewall-cmd –reload

  • create user linux

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    khoinv.kpwzto
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    adduser username passwd username visudo add this: (Có thể tạo 1 nhóm cho group sudo) %admin ALL=(ALL) ALL %sudo ALL=(ALL:ALL) ALL Rồi add user vào nhóm đó: groupadd sudo usermod -a -G sudo username   username ALL=(ALL) ALL su – username ssh-keygen touch ~/.ssh/authorized_keys chmod 600 ~/.ssh/authorized_keys chmod 700 ~/.ssh delete user: userdel -r username

  • command server

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    khoinv.kpwzto
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    Supervisor sudo systemctl start supervisor supervisorctl   Mysql /etc/mysql/conf.d/mysql.cnf /etc/init.d/mysql restart