commit f7bff8aece724fb52c3686f28cda8763fb1e6014
parent 292a7ee17584bfa04d9ebb98159b99daa9ad4acb
Author: pyratebeard <root@pyratebeard.net>
Date: Thu, 18 May 2023 09:27:05 +0100
Merge branch 'pull_my_finger'
Diffstat:
1 file changed, 76 insertions(+), 0 deletions(-)
diff --git a/entry/20230518-pull_my_finger.md b/entry/20230518-pull_my_finger.md
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+The other day I read a blog post by drkhsh about [using fingerd](https://drkhsh.at/2023-05-15_finger.html){target="_blank" rel="noreferrer"} to display contact details in the terminal.
+
+This looked pretty cool, and is geeky in a retro Unix way, so of course I had to do it as well.
+
+You can now finger me remotely! To do so incant
+```
+finger pyratebeard@pyratebeard.net
+```
+
+If you don't have `finger` installed you can also use `nc` (netcat)
+```
+echo pyratebeard | nc pyratebeard.net 79
+```
+
+While drkhsh's post shows the setup on OpenBSD I am using Devuan so it was a little different. These steps should also work on Debian or any other deb package system.
+
+I needed to install the `fingerd` daemon, the `finger` command, and `xinetd`, which will run the daemon
+```
+sudo apt -y install fingerd finger xinetd
+```
+
+Then created an `xinetd` service config file under /etc/xinetd.d/
+```
+service finger
+{
+ socket_type = stream
+ protocol = tcp
+ wait = no
+ user = nobody
+ server = /usr/sbin/in.fingerd
+ server_args = -u -p /home/pyratebeard/finger
+ disable = no
+}
+```
+
+The `server_args` option tells `fingerd` to require a username to finger and use an alternative script, in my case /home/pyratebeard/finger.
+
+The script I point to is what outputs when you `finger` me
+```
+#!/bin/sh
+cat <<EOF
+ __ __ __
+ .-----.--.--.----.---.-| |_.-----| |--.-----.---.-.----.--| |
+ | _ | | | _| _ | _| -__| _ | -__| _ | _| _ |
+ | __|___ |__| |___._|____|_____|_____|_____|___._|__| |_____|
+ |__| |_____|
+
+ ----------------------------------------------------------------
+ |
+ web | https://pyratebeard.net
+ |
+ address | root@pyratebeard.net
+ irc | pyrate > unix.chat | pyratebeard > {darkscience,libera,oftc}
+ |
+ pgp id | 0x5113a16d
+ pgp fp | 7a8e 129d be67 9dab aeb3 37c5 c787 7c71 5113 a16d
+ pgp dl | https://pyratebeard.net/pgp.pub
+ |
+ ssh key | ssh-ed25519 aaaac3nzac1lzdi1nte5aaaaicsluiy54h5flgxnnxqifwpnfvknih1/f0xf0ycthdqv
+ |
+ id proof | https://keyoxide.org/7a8e129dbe679dabaeb337c5c7877c715113a16d
+ |
+ ----------------------------------------------------------------
+
+ finger ring:
+
+ * drkhsh@drkhsh.at
+
+EOF
+```
+
+The script has to be executable, then I restarted the `xinetd` service.
+
+If you try this also make sure port 79 is allowed through your firewall, this is the default `fingerd` port.
+
+A few of us on IRC have now started a "finger ring", so if you think this is fun and want to join in let me know using the contact details on my [homepage](https://pyratebeard.net){target="_blank" rel="noreferrer"}, or `finger` me, or jump into the #unix channel on [unix.chat](https://unix.chat){target="_blank" rel="noreferrer"} and post your finger link.
