https://github.com/bAndie91/libnss_homehosts

Linux NSS library supports ~/.hosts
https://github.com/bAndie91/libnss_homehosts

Last synced: 16 days ago
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Linux NSS library supports ~/.hosts

• Host: GitHub
• URL: https://github.com/bAndie91/libnss_homehosts
• Owner: bAndie91
• License: agpl-3.0
• Created: 2016-10-19T10:10:48.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2021-12-15T10:58:28.000Z (almost 3 years ago)
• Last Synced: 2024-08-01T03:29:10.381Z (3 months ago)
• Language: C
• Size: 48.8 KB
• Stars: 29
• Watchers: 5
• Forks: 6
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# libnss_homehosts

Linux NSS library supporting per-user hosts resolution using `${XDG_CONFIG_HOME}/hosts` or `~/.hosts`

# Install

* Compile the code:

```bash

$ make

```

* Install the resulting library:

```bash

$ sudo make install

```

* Preprend the NSS module to the hosts line of `/etc/nsswitch.conf`:

```text

hosts: homehosts files dns

```

# Uninstall

* Uninstall the library:

```bash

$ sudo make uninstall

```

* Remove the added module from `/etc/nsswitch.conf`.

# Usage

* Create `~/.hosts` file and put some host names in it like `/etc/hosts`:

```text

127.0.0.1  myhost.example.net

```

* Check it

```bash

$ getent hosts myhost.example.net

$ ping myhost.example.net

```

Note that looking up the using `host` or `nslookup` will not work as these tools query DNS directly, sidestepping NSS.

# Performance

It is better to have FQDN as in `/etc/hosts`, as well in `~/.hosts` files, eg.

	  198.18.1.1 frodo.baggins.theshire

instead of

	  198.18.1.1 frodo

in order to avoid _dns suffix-list_ expansion by libresolv when unneccessary.

Refer to `ndots` option at resolv.conf(5).

# issues

Please submit issues via PR to some file `.txt` or `.md` on `issues` branch.