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sshdiff

日本語

Show differece of remote command output.

May be useful for server migration.

Install

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

Usage

Simple usage

$ sshdiff server1 server2 ls

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

Specify ssh username

$ sshdiff yuriko@server1 yuriko@server2 ls

Multiple command args

$ 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