update

docker_proxy_ipv6.md

@@ -0,0 +1,98 @@
+# Proxy-Einstellungen mit Docker
+
+## System
+```bash
+sudo nano /etc/profile.d/proxy.sh
+# Add
+export ftp_proxy=ftp://user:password@host:port
+export http_proxy=http://user:password@host:port
+export https_proxy=https://user:password@host:port
+export socks_proxy=https://user:password@host:port
+```
+## Apt
+```bash
+sudo nano /etc/apt/apt.conf
+# Enter the following line
+Acquire::http::Proxy "http://proxyserver.some.at:3128";
+```
+## WGet
+```bash
+sudo nano /etc/wgetrc
+# enable the proxy-lines and enter the server accordingly.
+https_proxy = http://proxyserver.some.at:3128/
+http_proxy = http://proxyserver.some.at:3128/
+ftp_proxy = http://proxyserver.some.at:3128/
+```
+## Docker Daemon
+>Benötigt, um Images zu pullen.
+```bash
+sudo nano /etc/systemd/system/docker.service.d/http-proxy.conf
+# Contents
+[Service]
+Environment="HTTP_PROXY=http://proxyserver.some.at:3128"
+Environment="HTTPS_PROXY=http://proxyserver.some.at:3128"
+# This is the place for proxy-exceptions...
+Environment="NO_PROXY=localhost,127.0.0.1,docker-registry.example.com,.corp"
+##########
+
+# Then restart the docker daemon
+sudo systemctl daemon-reload docker
+sudo systemctl restart docker
+```
+## Docker Container
+> Von innerhalb der erzeugten Container.
+```bash
+# Docker-user may be your main user or root.
+sudo nano ~/.docker/config.json
+# Contents
+{
+  "proxies": {
+    "default": {
+      "httpProxy": "http://username:[email protected]",
+      "httpsProxy": "http://username:[email protected]"
+    }
+  }
+}
+##########
+```
+## DNS & IPv6
+```bash
+# Create an IPv6 network:
+docker network create --ipv6 --subnet 2001:0DB8::/112 --gateway 2001:db8::1 ip6net
+# And use it in the containers like so:
+    ports:
+      - "8080:8080"
+      - "8443:8443"
+    networks:
+      - default
+      - proxy
+    environment:
+      - HTTP_PORT=8080
+# and at the end of the compose-file:
+networks:
+  default:
+    external:
+      name: ip6net
+  proxy:
+    external:
+      name: proxy_default
+
+# Enable IPv6 for docker in general:
+sudo nano /etc/docker/daemon.json
+# Contents:
+{
+  "experimental": true,
+  "ip6tables": true,
+  "dns": ["2001:67c:1434:1:195:149:240:141"]
+}
+```
+## Test from inside container
+```bash
+# proxy config
+env
+# dns
+ping google.at
+dig google.at
+curl google.at
+wget google.at
+```

keycloak_update_from_pre_13.md

@@ -160,7 +160,9 @@ Then restart Keycloak. After startup go to the following URL and see the debug-o
 KEYCLOAK_BASE_URL/realms/master/hostname-debug
 ```
 [Documentation](https://www.keycloak.org/server/hostname#_troubleshooting)
-
+## User Federation an errors
+If you've used user federation, the chances are that your setup won't be migrated gracefully. The most common error is that `validateUserPolicy` is enabled or that `writeMode` is not set.
+In that case you'll have to go to the database and query the table `components` for `ldap` and then search for the fields in `component_config` and set them correctly.
 ## Useful Commands
 Save/Reload Database:
 ```bash