KTUTIL(8)

💅 ktutil(8) — manage Kerberos keytabs 💅

okay so this is the ktutil(8) page from the System Manager's Manual, and it's literally your keytab-manager bestie. no cap, the vibe is “we are managing Kerberos keytabs” and the facts are staying put. 💖

✨ NAME ✨

ktutil — manage Kerberos keytabs. periodt. 🎀

🌀 SYNOPSIS 🌀

ktutil [-k keytab | --keytab=keytab] [-v | --verbose] [--version]
       [-h | --help] command [args]

💖 DESCRIPTION 💖

ktutil is a program for managing keytabs. Supported options:

• -v, --verbose — verbose output, bestie. That's the one the page explicitly describes under “Supported options.”

The synopsis also shows -k keytab / --keytab=keytab, --version, and -h / --help — keep those exact, iykyk. 💅

🎀 Commands 🎀

command can be one of the following:

🌸 add 🌸

add [-p principal] [--principal=principal] [-V kvno] [--kvno=kvno] [-e
            enctype] [--enctype=enctype] [-w password]
            [--password=password] [-r] [--random] [-s] [--no-salt] [-H]
            [--hex]

Adds a key to the keytab. Options that are not specified will be prompted for. This requires that you know the password or the hex key of the principal to add; if what you really want is to add a new principal to the keytab, you should consider the get command, which talks to the kadmin server. 💖

🧚 change 🧚

change [-r realm] [--realm=realm] [--a host] [--admin-server=host] [--s
            port] [--server-port=port]

Update one or several keys to new versions. By default, use the admin server for the realm of a keytab entry. Otherwise it will use the values specified by the options.

If no principals are given, all the ones in the keytab are updated. ✨

🐚 copy 🐚

copy keytab-src keytab-dest

Copies all the entries from keytab-src to keytab-dest. slay. 🫶

🌈 get 🌈

get [-p admin principal] [--principal=admin principal] [-e enctype]
            [--enctypes=enctype] [-r realm] [--realm=realm] [-a admin
            server] [--admin-server=admin server] [-s server port]
            [--server-port=server port] principal ...

For each principal, generate a new key for it (creating it if it doesn't already exist), and put that key in the keytab.

If no realm is specified, the realm to operate on is taken from the first principal. 💜

🌟 list 🌟

list [--keys] [--timestamp]

List the keys stored in the keytab. cute. 💅

💀 remove 💀

remove [-p principal] [--principal=principal] [-V -kvno] [--kvno=kvno]
            [-e -enctype] [--enctype=enctype]

Removes the specified key or keys. Not specifying a kvno removes keys with any version number. Not specifying an enctype removes keys of any type.

🎀 rename 🎀

rename from-principal to-principal

Renames all entries in the keytab that match the from-principal to to-principal. yes bestie, that’s the wording. 🦋

🍓 purge 🍓

purge [--age=age]

Removes all old versions of a key for which there is a newer version that is at least age (default one week) old. 🔥

👀 SEE ALSO 👀

kadmin(8) — go say hi, bestie. 💖

mwah 💋 — this iconic page is from HEIMDAL, dated April 14, 2005, and it's the KTUTIL(8) page. slay and goodbye. 🌈