Das ssh-tools-Paket Bei den ssh-tools handelt es sich um einen Satz von Shellskripten, die den Umgang mit ssh ergaenzen oder vereinfachen. Homepage: https://github.com/vaporup/ssh-tools/ -------------------------------------------------------------------------------- ssh-ping ======== Check if host is reachable using ssh_config Outputs Reply from when server is reachable but login failed Outputs Pong from when server is reachable and login was successful $ ssh-ping -c 3 kim SSHPING kim Reply from kim: ssh_seq=1 time=109 ms Reply from kim: ssh_seq=2 time=136 ms Reply from kim: ssh_seq=3 time=141 ms --- kim ping statistics --- 3 requests transmitted, 3 requests received, 0% request loss ssh-version =========== Shows version of the SSH server you are connecting to $ ssh-version kim Remote protocol version 2.0, remote software version OpenSSH_7.2p2 Ubuntu-4ubuntu2.6 ssh-diff ======== Diff a file over SSH $ ssh-diff /etc/hosts kim Comparing kim:/etc/hosts (<) with /etc/hosts (>) 1,2c1,2 < 127.0.0.1 localhost < 127.0.1.1 kim --- > 127.0.0.1 localhost > 127.0.1.1 blinky ssh-facts ========= Get some facts about the remote system $ ssh-facts kim OS=ubuntu OS_VERSION=16.04 UPTIME=7 days, 22 hours, 25 minutes LAST_REBOOT=Dec 20 19:34:27 2018 CPU_CORES=2 CPU_SOCKETS=2 HOSTNAME=kim KERNEL_NAME=Linux MACHINE=x86_64 MACHINE_TYPE=virtual_by_kvm MEMORY=4045996 INIT=systemd LSB_CODENAME=xenial LSB_DESCRIPTION=Ubuntu 16.04.5 LTS LSB_ID=Ubuntu LSB_RELEASE=16.04 ssh-hostkeys ============ Prints server host keys in several formats $ ssh-hostkeys kim (ECDSA) 256 MD5 3d:8e:49:6e:40:34:c6:e4:c8:5f:60:d9:ad:bf:1f:b9 (ECDSA) 256 SHA256 txYpmPENBWolKBaA5EkCM/y1Hm2DP81jtABFrWUBf/c (ED25519) 256 MD5 a8:93:71:f9:13:d0:32:02:c0:e5:1e:f6:b9:db:8c:b0 (ED25519) 256 SHA256 JZMLzNS2ifdGYv2SrqDodz7+/qaRCTBPukaCnMQqbX8 (RSA) 2048 MD5 8b:37:63:cd:58:fd:9c:18:93:08:3a:4c:84:64:87:91 (RSA) 2048 SHA256 WkOzD8BaeljejgTTAwECkByyb4kHdI0pnJB2/gcS1Lk ssh-keyinfo =========== Prints keys in several formats $ ssh-keyinfo ~/.ssh/*.pub (RSA) 2048 MD5 40:52:aa:14:a5:9a:fe:b5:96:c0:d2:dc:99:f1:a5:77 /home/vaporup/.ssh/id_rsa.pub (RSA) 2048 SHA256 V4F6ipY4gG83sQGM0eRk0+g1RWE9K4asDUj1jFpCa48 /home/vaporup/.ssh/id_rsa.pub ssh-certinfo ============ Shows validity and information of SSH certificates $ ssh-certinfo ~/.ssh/*.pub /home/vaporup/.ssh/id_rsa-cert.pub SSH_CERT_VALID forever -> forever /home/vaporup/.ssh/test1-cert.pub SSH_CERT_INVALID 2038-01-19T04:14:07 -> 2038-01-19T04:14:07 /home/vaporup/.ssh/test2-cert.pub SSH_CERT_EXPIRED 1988-11-14T13:36:40 -> 1991-08-11T14:36:40 $ ssh-certinfo -v ~/.ssh/*.pub /home/vaporup/.ssh/id_rsa-cert.pub: Type: ssh-rsa-cert-v01@openssh.com user certificate Public key: RSA-CERT SHA256:Mm7o312345YEaWetVshTBslX48h0XJceLWzxx3RugDg Signing CA: RSA SHA256:4fcOpOm/Xk12345mYnihk0cr6SdjghPgONxriMJex+A Key ID: "vaporup" Serial: 0 Valid: forever Principals: (none) Critical Options: (none) Extensions: permit-X11-forwarding permit-agent-forwarding permit-port-forwarding permit-pty permit-user-rc ssh-force-password ================== Enforces password authentication (as long as the server allows it). It became quite annoying googling the SSH options for this every time. e.g. used to skip key-based login for password testing. $ ssh-force-password kim vaporup@kim's password: -------------------------------------------------------------------------------- Marcus Roeckrath, 2021-12-30