两机之间不用密码传输文件
首先假定有两台linux机器，linux1和linux2。 你想从linux1向linux2拷贝机器时无需输入密码，或者是在ctontab中这样做。
1. 安装SSH
2. 创建两个用户，user1在linux1上，user2吱在linux2上。
3. On linux2, login as user2. do
ssh-keygen -P "" -trsa1 -f ~/.ssh/identity
4. Copy key file to linux1
scp /home/user2/.ssh/identity.pub user1@linux1:/home/user1/.ssh/authorized_keys
5. Change file permission
chmod 600 /home/user2/.ssh/authorized_keys
6. change ssh config file: /etc/ssh/ssh_config
Ad
Host *
ForwardX11 yes
IdentityFile ~/.ssh/identity
Protocol 1
7. Restart sshd
8. login to linux1 as user1.
9.Change file permission
chmod 600 /home/user1/.ssh/identity
10. Restart sshd
Now, you can ssh or secure copy filles by using user1 from linux1 to linux2 without prompt
1. 安装SSH
2. 创建两个用户，user1在linux1上，user2吱在linux2上。
3. On linux2, login as user2. do
ssh-keygen -P "" -trsa1 -f ~/.ssh/identity
4. Copy key file to linux1
scp /home/user2/.ssh/identity.pub user1@linux1:/home/user1/.ssh/authorized_keys
5. Change file permission
chmod 600 /home/user2/.ssh/authorized_keys
6. change ssh config file: /etc/ssh/ssh_config
Ad
Host *
ForwardX11 yes
IdentityFile ~/.ssh/identity
Protocol 1
7. Restart sshd
8. login to linux1 as user1.
9.Change file permission
chmod 600 /home/user1/.ssh/identity
10. Restart sshd
Now, you can ssh or secure copy filles by using user1 from linux1 to linux2 without prompt
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