❯ ssh -A steph@seahawk.local
ssh: Could not resolve hostname seahawk.local: Name or service not known
❯
❯ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp3s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether f4:a8:0d:f8:97:87 brd ff:ff:ff:ff:ff:ff
inet 172.20.0.8/16 brd 172.20.255.255 scope global dynamic noprefixroute enp3s0f0
valid_lft 11814sec preferred_lft 11814sec
inet6 2607:f380:80f:f830:3690:c4f2:ba37:36a3/64 scope global temporary dynamic
valid_lft 602214sec preferred_lft 83644sec
inet6 2607:f380:80f:f830:2b4d:2bca:34b1:8f80/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 2591984sec preferred_lft 604784sec
inet6 fe80::39a3:a291:617f:982e/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlp6s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 20:2b:20:2c:f2:61 brd ff:ff:ff:ff:ff:ff
inet 172.28.14.176/20 brd 172.28.15.255 scope global dynamic noprefixroute wlp6s0
valid_lft 1617sec preferred_lft 1617sec
inet6 fe80::a326:5ab9:efd1:7131/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 02:42:63:e6:d9:99 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
❯ nmap 172.20.0.0/24
Starting Nmap 7.80 ( https://nmap.org ) at 2024-05-03 11:37 PDT
Nmap scan report for _gateway (172.20.0.1)
Host is up (0.00076s latency).
Not shown: 998 closed ports
PORT STATE SERVICE
1720/tcp open h323q931
5060/tcp open sip
Nmap scan report for 172.20.0.4
Host is up (0.00055s latency).
Not shown: 999 closed ports
PORT STATE SERVICE
22/tcp open ssh
Nmap scan report for steph-ThinkPad-L14-Gen-3 (172.20.0.8)
Host is up (0.00045s latency).
All 1000 scanned ports on steph-ThinkPad-L14-Gen-3 (172.20.0.8) are closed
Nmap scan report for 172.20.0.14
Host is up (0.00054s latency).
Not shown: 999 closed ports
PORT STATE SERVICE
22/tcp open ssh
Nmap scan report for 172.20.0.53
Host is up (0.00035s latency).
Not shown: 984 filtered ports
PORT STATE SERVICE
53/tcp open domain
80/tcp open http
88/tcp open kerberos-sec
135/tcp open msrpc
139/tcp open netbios-ssn
389/tcp open ldap
445/tcp open microsoft-ds
464/tcp open kpasswd5
593/tcp open http-rpc-epmap
636/tcp open ldapssl
1688/tcp open nsjtp-data
2179/tcp open vmrdp
3268/tcp open globalcatLDAP
3269/tcp open globalcatLDAPssl
3389/tcp open ms-wbt-server
5405/tcp open pcduo
Nmap done: 256 IP addresses (5 hosts up) scanned in 21.81 seconds
❯ ssh -A steph@172.20.0.14
The authenticity of host '172.20.0.14 (172.20.0.14)' can't be established.
ED25519 key fingerprint is SHA256:IOJmfLt7jUIcktHe/v/qYFgDGFydfw5HMVeGeSsItMw.
This host key is known by the following other names/addresses:
~/.ssh/known_hosts:16: [hashed name]
~/.ssh/known_hosts:19: [hashed name]
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '172.20.0.14' (ED25519) to the list of known hosts.
Welcome to Ubuntu 22.04.4 LTS (GNU/Linux 5.15.0-1050-raspi aarch64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/pro
System information as of Fri May 3 18:37:42 UTC 2024
System load: 0.0
Usage of /: 12.8% of 58.43GB
Memory usage: 7%
Swap usage: 0%
Temperature: 41.4 C
Processes: 141
Users logged in: 0
IPv4 address for docker0: 172.17.0.1
IPv4 address for eth0: 172.20.0.14
IPv6 address for eth0: 2607:f380:80f:f830:da3a:ddff:fe4a:9b83
* Strictly confined Kubernetes makes edge and IoT secure. Learn how MicroK8s
just raised the bar for easy, resilient and secure K8s cluster deployment.
https://ubuntu.com/engage/secure-kubernetes-at-the-edge
Expanded Security Maintenance for Applications is not enabled.
0 updates can be applied immediately.
21 additional security updates can be applied with ESM Apps.
Learn more about enabling ESM Apps service at https://ubuntu.com/esm
Last login: Fri May 3 01:20:11 2024 from 172.20.0.8
steph@seahawk:~$
What happened
We were unable to connect to the Raspberry Pi using the following command for over 5 minutes.
It was later determined that the pi was up, however the connection did not register as
seahawk.localConditions
Log