diff --git a/docker-30/kanidm/readme.md b/docker-30/kanidm/readme.md
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+## add user to k8s group
+
+based on: https://blog.kammel.dev/post/k8s_home_lab_2025_06/
+
+```bash
+export GROUP_NAME=k8s_users
+kanidm group create ${GROUP_NAME}
+kanidm group add-members ${GROUP_NAME} novakj
+
+
+export OAUTH2_NAME=k8s
+kanidm system oauth2 create-public ${OAUTH2_NAME} ${OAUTH2_NAME} http://localhost:8000
+kanidm system oauth2 add-redirect-url ${OAUTH2_NAME} http://localhost:8000
+kanidm system oauth2 update-scope-map ${OAUTH2_NAME} ${GROUP_NAME} email openid profile groups
+kanidm system oauth2 enable-localhost-redirects ${OAUTH2_NAME}
+
+
+kubectl oidc-login setup \
+  --oidc-issuer-url=https://idm.home.hrajfrisbee.cz/oauth2/openid/k8s \
+  --oidc-client-id=k8s
+
+
+
+kubectl config set-credentials oidc \
+  --exec-api-version=client.authentication.k8s.io/v1 \
+  --exec-interactive-mode=Never \
+  --exec-command=kubectl \
+  --exec-arg=oidc-login \
+  --exec-arg=get-token \
+  --exec-arg="--oidc-issuer-url=https://idm.home.hrajfrisbee.cz/oauth2/openid/k8s" \
+  --exec-arg="--oidc-client-id=k8s"
+
+kubectl create clusterrolebinding oidc-cluster-admin \
+  --clusterrole=cluster-admin \
+  --user='https://idm.home.hrajfrisbee.cz/oauth2/openid/k8s#35842461-a1c4-4ad6-8b29-697c5ddbfe84'
+
+```
+## commands
+
+```bash
+# recover admin password
+# on the docker host
+docker exec -i -t kanidmd  kanidmd recover-account admin
+docker exec -i -t kanidmd  kanidmd recover-account idm_admin
+
+# kanidm mangement commands (could be run on any logged in client)
+kanidm person credential create-reset-token novakj
+kanidm person get novakj | grep memberof
+kanidm group get  kanidm group get 
+kanidm group get idm_all_accounts
+kanidm group get idm_all_persons
+kanidm group account-policy credential-type-minimum  idm_all_accounts any
+kanidm person get novakj | grep memberof
+kanidm group get idm_people_self_name_write
+```
+
+
+
+```bash
+
+docker run -d --name=kanidmd --restart=always \
+  -p '8443:8443' \
+  -p '3636:3636' \
+  --volume /srv/docker/kanidm/data:/data \
+  docker.io/kanidm/server:latest
+
+docker run --rm -i -t -v --restart=always \
+  -p '8443:8443' \
+  -p '3636:3636' \
+  --volume /srv/docker/kanidm/data:/data \
+  docker.io/kanidm/server:latest \
+  kanidmd cert-generate
+
+```
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diff --git a/docker-30/kanidm/server.toml b/docker-30/kanidm/server.toml
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+# The server configuration file version.
+version = "2"
+
+#   The webserver bind address. Requires TLS certificates.
+#   If the port is set to 443 you may require the
+#   NET_BIND_SERVICE capability. This accepts a single address
+#   or an array of addresses to listen on.
+#   Defaults to "127.0.0.1:8443"
+bindaddress = "0.0.0.0:8443"
+#
+#   The read-only ldap server bind address. Requires
+#   TLS certificates. If set to 636 you may require the
+#   NET_BIND_SERVICE capability. This accepts a single address
+#   or an array of addresses to listen on.
+#   Defaults to "" (disabled)
+# ldapbindaddress = "0.0.0.0:3636"
+#
+#   The path to the kanidm database.
+db_path = "/data/kanidm.db"
+#
+#   If you have a known filesystem, kanidm can tune the
+#   database page size to match. Valid choices are:
+#   [zfs, other]
+#   If you are unsure about this leave it as the default
+#   (other). After changing this
+#   value you must run a vacuum task.
+#   - zfs:
+#     * sets database pagesize to 64k. You must set
+#       recordsize=64k on the zfs filesystem.
+#   - other:
+#     * sets database pagesize to 4k, matching most
+#       filesystems block sizes.
+# db_fs_type = "zfs"
+#
+#   The number of entries to store in the in-memory cache.
+#   Minimum value is 256. If unset
+#   an automatic heuristic is used to scale this.
+#   You should only adjust this value if you experience
+#   memory pressure on your system.
+# db_arc_size = 2048
+#
+#   TLS chain and key in pem format. Both must be present.
+#   If the server receives a SIGHUP, these files will be
+#   re-read and reloaded if their content is valid.
+tls_chain = "/data/chain.pem"
+tls_key = "/data/key.pem"
+#
+#   The log level of the server. May be one of info, debug, trace
+#
+#   NOTE: this can be overridden by the environment variable
+#   `KANIDM_LOG_LEVEL` at runtime
+#   Defaults to "info"
+# log_level = "info"
+#
+#   The DNS domain name of the server. This is used in a
+#   number of security-critical contexts
+#   such as webauthn, so it *must* match your DNS
+#   hostname. It is used to create
+#   security principal names such as `william@idm.example.com`
+#   so that in a (future) trust configuration it is possible
+#   to have unique Security Principal Names (spns) throughout
+#   the topology.
+#
+#   ⚠️  WARNING ⚠️
+#
+#   Changing this value WILL break many types of registered
+#   credentials for accounts including but not limited to
+#   webauthn, oauth tokens, and more.
+#   If you change this value you *must* run
+#   `kanidmd domain rename` immediately after.
+domain = "idm.home.hrajfrisbee.cz"
+#
+#   The origin for webauthn. This is the url to the server,
+#   with the port included if it is non-standard (any port
+#   except 443). This must match or be a descendent of the
+#   domain name you configure above. If these two items are
+#   not consistent, the server WILL refuse to start!
+#   origin = "https://idm.example.com"
+#   # OR
+#   origin = "https://idm.example.com:8443"
+origin = "https://idm.home.hrajfrisbee.cz"
+
+#   HTTPS requests can be reverse proxied by a loadbalancer.
+#   To preserve the original IP of the caller, these systems
+#   will often add a header such as "Forwarded" or
+#   "X-Forwarded-For". Some other proxies can use the PROXY
+#   protocol v2 header. While we support the PROXY protocol
+#   v1 header, we STRONGLY discourage it's use as it has
+#   significantly greater overheads compared to v2 during
+#   processing.
+#   This setting allows configuration of the list of trusted
+#   IPs or IP ranges which can supply this header information,
+#   and which format the information is provided in.
+#   Defaults to "none" (no trusted sources)
+#   Only one option can be used at a time.
+# [http_client_address_info]
+# proxy-v2 = ["127.0.0.1", "127.0.0.0/8"]
+#   # OR
+# [http_client_address_info]
+# x-forward-for = ["127.0.0.1", "127.0.0.0/8"]
+#   # OR
+# [http_client_address_info]
+# # AVOID IF POSSIBLE!!!
+# proxy-v1 = ["127.0.0.1", "127.0.0.0/8"]
+
+#   LDAPS requests can be reverse proxied by a loadbalancer.
+#   To preserve the original IP of the caller, these systems
+#   can add a header such as the PROXY protocol v2 header.
+#   While we support the PROXY protocol v1 header, we STRONGLY
+#   discourage it's use as it has significantly greater
+#   overheads compared to v2 during processing.
+#   This setting allows configuration of the list of trusted
+#   IPs or IP ranges which can supply this header information,
+#   and which format the information is provided in.
+#   Defaults to "none" (no trusted sources)
+# [ldap_client_address_info]
+# proxy-v2 = ["127.0.0.1", "127.0.0.0/8"]
+#   # OR
+# [ldap_client_address_info]
+# # AVOID IF POSSIBLE!!!
+# proxy-v1 = ["127.0.0.1", "127.0.0.0/8"]
+
+[online_backup]
+#   The path to the output folder for online backups
+path = "/data/kanidm/backups/"
+#   The schedule to run online backups (see https://crontab.guru/)
+#   every day at 22:00 UTC (default)
+schedule = "00 22 * * *"
+#    four times a day at 3 minutes past the hour, every 6th hours
+# schedule = "03 */6 * * *"
+#   We also support non standard cron syntax, with the following format:
+#   sec  min   hour   day of month   month   day of week   year
+#   (it's very similar to the standard cron syntax, it just allows to specify the seconds
+#   at the beginning and the year at the end)
+#   Number of backups to keep (default 7)
+# versions = 7
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diff --git a/docker-30/readme.md b/docker-30/readme.md
index e69de29..221a428 100644
--- a/docker-30/readme.md
+++ b/docker-30/readme.md
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+# docker-30
+
+## taiscale
+
+```bash
+# Add signing key
+curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/$(lsb_release -cs).noarmor.gpg | sudo tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
+
+# Add repo
+echo "deb [signed-by=/usr/share/keyrings/tailscale-archive-keyring.gpg] https://pkgs.tailscale.com/stable/ubuntu $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/tailscale.list
+
+# Install
+sudo apt update && sudo apt install tailscale
+
+# Start
+sudo tailscale up
+```
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