日本語

Show differece of remote command output.

May be useful for server migration.

1. Download release executable
2. Place executable on /usr/local/bin or somewhere
3. Set permission to rwxr-xr-x (755)

$ sshdiff server1 server2 ls

run ls in server1 and server2 by ssh, then show difference of ls output.

$ sshdiff yuriko@server1 yuriko@server2 ls

$ sshdiff yuriko@server1 yuriko@server2 'rpm -ql|sort'

If command has args, must quote it.

If ports(22) or keys(id_rsa, id_ecdsa, etc..) are different from default, please specify on your ~/.ssh/config like below

Host server1
HostName server1.example.com
Port 8022
IdentityFile ~/.ssh/id_ecdsa_server1

Host server2
HostName server2.example.com
Port 1022
IdentityFile ~/.ssh/id_ecdsa_server2