lookaround/README.md

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# LookAround
"I want SSH into my laptop, but I keep forgetting its IP!!"
_Has this ever happened to you?_
LookAround is a Rust program for looking up your computers' MAC and IP addresses
within a LAN. There's no central server, so it's not a look-up, it's a look-around.
```text
$ lookaround client
Found 3 peers:
11:11:11:11:11:11 = 192.168.1.101:9040 # Your laptop
22:22:22:22:22:22 = 192.168.1.102:9040 # Your desktop
33:33:33:33:33:33 = 192.168.1.103:9040 # Your home server
# Claimed MAC IP address
```
The LookAround client uses IP multicast to find LookAround servers within the
same multicast domain.
## Installation
Use the Cargo package manager from [Rust](https://rustup.rs/) to install LookAround.
```bash
cargo install lookaround
```
To run the server as a normal user all the time,
put this systemd unit in `~/.config/systemd/user/lookaround.service`:
```ini
[Unit]
Description=LookAround
[Service]
ExecStart=lookaround server
[Install]
WantedBy=default.target
```
Then start the service, check that it's running okay, and enable it for
auto-start:
```bash
systemctl --user start lookaround
systemctl --user status lookaround
systemctl --user enable lookaround
```
## Usage
Run the server manually: (If you haven't installed it with systemd yet)
```bash
lookaround server
```
Run a client to ping all servers in the same multi-cast domain:
```bash
lookaround client
```
## Contributing
Pull requests are welcome. This is a hobby project, so I may reject
contributions that are too big to review.
Use the [kazupon Git commit message convention](https://github.com/kazupon/git-commit-message-convention)
## License
[AGPL-3.0](https://www.gnu.org/licenses/agpl-3.0.html)
## This Git repo
This repo's upstream is https://six-five-six-four.com/git/reactor/lookaround.