# Install showcert with Homebrew, dnf

X.509 TLS certificate reader and creator. Version 0.4.16 via Homebrew; verified 2026-06-21. Also installable with dnf: sudo dnf install showcert.

## Install

```sh
sudo av install brew:showcert
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install showcert
```

  Evidence: local Homebrew formula metadata

### Linux

- dnf (92%):

```sh
sudo dnf install showcert
```

  Evidence: Fedora Rawhide package metadata: showcert from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

## Package facts

- **Package key:** brew:showcert
- **Package manager:** Homebrew
- **Version:** 0.4.16
- **Source summary:** X.509 TLS certificate reader and creator
- **Homepage:** <https://github.com/yaroslaff/showcert>
- **Repository:** <https://github.com/yaroslaff/showcert>
- **Last updated:** 2026-06-21T14:25:28Z
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- gencert (alias)
- showcert (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 0.4.16

## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals

## Other Package-Manager Records

- dnf - showcert - 0.4.14-3.fc45: normalized package name match | Fedora Rawhide package metadata: showcert from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | inspect TLS certificates presented by remote servers | https://github.com/yaroslaff/showcert


## Combined YAML source

View the package source record on GitHub. [combined/showcert.yml](https://github.com/mxcl/pkgdb/blob/main/combined/showcert.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph