kazulog@sv2:~$ cat /etc/os-release | head -2
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
kazulog@sv2:~$ sudo apt install -y tftp-hpa | cat
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

Reading package lists...
Building dependency tree...
Reading state information...
Solving dependencies...
Installing:
  tftp-hpa

Summary:
  Upgrading: 0, Installing: 1, Removing: 0, Not Upgrading: 96
  Download size: 19.8 kB
  Space needed: 55.3 kB / 63.1 GB available

Get:1 http://archive.ubuntu.com/ubuntu resolute/main amd64 tftp-hpa amd64 5.3+20251209-2 [19.8 kB]
Fetched 19.8 kB in 1s (24.6 kB/s)
Selecting previously unselected package tftp-hpa.
(Reading database ... 91448 files and directories currently installed.)
Preparing to unpack .../tftp-hpa_5.3+20251209-2_amd64.deb ...
Unpacking tftp-hpa (5.3+20251209-2) ...
Setting up tftp-hpa (5.3+20251209-2) ...
Processing triggers for man-db (2.13.1-1build1) ...
Scanning processes...
Scanning linux images...

Running kernel seems to be up-to-date.

No services need to be restarted.

No containers need to be restarted.

No user sessions are running outdated binaries.

No VM guests are running outdated hypervisor (qemu) binaries on this host.
kazulog@sv2:~$ cd /tmp && tftp -v 192.168.100.10 -c get hello.txt
Connected to 192.168.100.10 (192.168.100.10), port 69
getting from 192.168.100.10:hello.txt to hello.txt [netascii]
Received 28 bytes in 0.1 seconds [2524 bit/s]
kazulog@sv2:/tmp$ cat /tmp/hello.txt
hello from tftp server sv1