CentOS7 双机搭建互相
两台机器互推文件
Connecting to 192.168.150.134:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
WARNING! The remote SSH server rejected X11 forwarding request.
Last login: Thu Feb 17 21:19:16 2022 from 192.168.150.134
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[root@Fort ~]# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Created directory '/root/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:jdb+Oagpz+yf1Ewv6LIIq3xirPnuhJZ7i5bww9r4xt8 root@Fort
The key's randomart image is:
+---[RSA 2048]----+
| |
| |
| |
| + |
| S o . |
|... . . = . |
|oBo . +.+ . |
|.O%..+.+.+.o.o |
|*%XB+ E+O=+ o. |
+----[SHA256]-----+
[root@Fort ~]# rsync -auvz /root/.ssh/id_rsa.pub [email protected]:/root/.ssh/authorized_keys
The authenticity of host '192.168.150.128 (192.168.150.128)' can't be established.
ECDSA key fingerprint is SHA256:uLTfPtgfAO1fpKBJkgPvjnnmsTPPGf0pJ0ktcHSXql0.
ECDSA key fingerprint is MD5:db:2e:75:cb:d3:aa:10:21:e7:5d:91:1d:17:2c:ff:b7.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.150.128' (ECDSA) to the list of known hosts.
[email protected]'s password:
sending incremental file list
id_rsa.pub
sent 421 bytes received 35 bytes 60.80 bytes/sec
total size is 391 speedup is 0.86
[root@Fort ~]# rsync -auvz /root/.ssh/id_rsa.pub [email protected]:/root/.ssh/authorized_keys
sending incremental file list
sent 49 bytes received 12 bytes 122.00 bytes/sec
total size is 391 speedup is 6.41
您在 /var/spool/mail/root 中有邮件
[root@Fort ~]# rsync -auvz /root/.ssh/id_rsa.pub [email protected]:/root/.ssh/authorized_keys
sending incremental file list
sent 49 bytes received 12 bytes 122.00 bytes/sec
total size is 391 speedup is 6.41
[root@Fort ~]#
指令记录
ssh-keygen -t rsa # 生成公私钥
rsync -auvz /root/.ssh/id_rsa.pub [email protected]:/root/.ssh/authorized_keys
rsync -auvze 'ssh -p 220' /root/liuzonglin/ [email protected]:/root/liuzonglin/authorized_keys # 同步公钥到指定机器并改名为authorized_keys
ssh -p 22 [email protected]
/etc/init.d/keepvlied stop
/etc/init.d/keepvlied start
keep 做负载浮动IP keep在A B定时器检测Akeep是否正常，如果不正常 B就启动keep
rsync 出错
问题一：rsync 推数据的时候，被推送的机器上必须要有rsync指令
问题二：rsync推送清理原本缓存数据
