复制文件到远程服务器

scp -r directory_name root@your_ip:directory_name

ssh免密码登陆

ssh-keygen -t rsa -P "your_password"

scp -p ~/.ssh/id_rsa.pub root@<server ip>:/root/.ssh/authorized_keys

NPM

设置代理

npm config set proxy=http://127.0.0.1:1087

取消代理

npm config delete proxy

Mac

sudo免密码

sudo vi /etc/sudoers

%admin ALL=(ALL) NOPASSWD: NOPASSWD: ALL

查看指定端口运行的程序及其pid

losf -i tcp:3000

kill pid

nginx

重启

nginx -s reload

查看端口使用情况

netstat -anp

查看内存、CPU使用情况

top

Mysql数据库

文件迁移

参考mysqldump导出数据库 (opens new window)

导出：mysqldump -u root -p --databases db_name --tables table_name > your_directory

导入：mysql -u root -p db_name < your_sql_file

Sequelize连接数据库出错

• 错误：Unhandled rejection SequelizeConnectionError: Client does not support authentication protocol requested by server; consider upgrading MySQL client

• 解决：

  • 进入mysql
  • use your_db_name;
  • alter user 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your_password';
  • flush privileges;

创建用户与授权

• CREATE USER 'username'@'host' IDENTIFIED BY 'password';

• GRANT ALL ON *.* TO 'username'@'host';

Docker

安装命令前升级apt-get

apt-get update

如果不update，就会报Unable to locate package错误

安装curl命令

apt install curl

安装ping命令

apt-get install inetutils-ping

安装ifconfig命令

apt-get install net-tools

安装ssh

apt-get install openssh-server service ssh start

tag镜像

docker tag image username/repository:tag

其中tag代表镜像的版本

发布镜像

docker push username/repository:tag

拉取镜像

docker run -p 4000:80 username/repository:tag