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ssh 实现服务器端文件同步

Last updated at Posted at 2020-02-18

#主题

  • ubuntu服务器端添加其他成员的ssh访问
  • 简单实现本地目录文件和服务器目录同步

##SSH用公开键和私密键生成

$ ssh-keygen -t rsa -b 4096 -C "your comments"

命令行执行后会提示,输入要保存的文件名
输入文件名回车后,会要求输入密码串,密码串可以为空(直接打回车)

密码串关联内容参照以下连接
https://qiita.com/shukan0728/items/e654953c89aab6f847a4

##服务器的publickeys登陆
本地的公开键上传到服务器(需要已存在的管理员用户来操作)

$ scp your-private-key.pub user@host:~/.ssh/
$ cat your-private-key.pub >> authorized_keys
$ chmod 600 authorized_keys

##本地ssh的config设定
默认路径一般在
/home/username/.ssh/config
config文件不存在的话可以新建一个
touch config

#对外公开直连方式
Host aws_proxy_server
  HostName xx.xx.global.ip
  User ubuntu
  Port 22
  IdentityFile /home/username/your-private-key

#通过对外公开ip连接内部其他服务器
Host proxy_aa
  HostName xx.xx.global.innerip
  User ubuntu
  Port 22
  IdentityFile /home/username/your-private-key
  ProxyCommand ssh aws_proxy_server -W %h:%p

改变本地私密键的权限许可

$ chmod 600 your-private-key

测试一下可否能连接上

ssh aws_proxy_server

连接成功后直接会显示服务器控制台

##把本地文件同步更新到服务器

本地目录结构

hello_world/
-Makefile
-src/
-conf/
-test/
-tmp/
-.gitignore
-README.md
-requirements.txt

all:
	@echo "deploy"

#ssh config中定以的服务器名
HOST := aws_proxy_server


deploy:
	@read -p "HOST: $(HOST)? [y,N]:" ans; \
	if [ "$$ans" = y ]; then  \
	rsync -C --filter=":- .gitignore" -av --exclude "tmp/*" --delete -e ssh ./ $(HOST):/home/username/dev/hello_world; \
	fi

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