# reg Docker registry v2 client. > **NOTE:** There is a way better, _maintained_ version of this @ > [`docker-ls`](https://github.com/mayflower/docker-ls) **Auth** `reg` will automatically try to parse your docker config credentials, but if not present, you can pass through flags directly. **List Repositories and Tags** ```console # this command might take a while if you have hundreds of images like I do $ reg -r r.j3ss.co ls Repositories for r.j3ss.co REPO TAGS ab latest android-tools latest apt-file latest atom latest audacity latest awscli latest beeswithmachineguns latest buttslock latest camlistore latest cathode latest cf-reset-cache latest cheese latest chrome beta, latest, stable ... ``` **Usage** ```console $ reg NAME: reg - Docker registry v2 client. USAGE: reg [global options] command [command options] [arguments...] VERSION: v0.2.0 AUTHOR(S): @jfrazelle COMMANDS: delete delete a specific reference of a repository list, ls list all repositories manifest get the json manifest for the specific reference of a repository tags get the tags for a repository help, h Shows a list of commands or help for one command GLOBAL OPTIONS: --debug, -d run in debug mode --username value, -u value username for the registry --password value, -p value password for the registry --registry value, -r value URL to the provate registry (ex. r.j3ss.co) --help, -h show help --version, -v print the version ``` **Known Issues** `reg` does not work to: * output image history