grapheneos: added link to configuration

wiki/adobe_acrobat.md

@@ -0,0 +1,15 @@
+# Adobe Acrobat 
+
+[Adobe Acrobat](https://get.adobe.com/reader/) is a PDF reader developed and distributed by
+[Adobe](https://www.adobe.com/).
+It is free.
+
+## Usage
+
+This section addresses the usage of Adobe Acrobat.
+
+### Adding Digital Signatures
+
+In many office applications digital signatures are used that verify a user using a smart card.
+To digitally sign first select `All tools` and `Use a certificate`.
+Then select `Digitally sign` and follow further on-screen instruction.

wiki/android.md

@@ -100,7 +100,8 @@ This app is available at [F-Droid](/wiki/android/f-droid.md) as
 
 Besides the stock-firmware of vendors there are also custom ROMs.
 These are alternative firmware variants made by third party providers.
-A well known custom ROM is [LineageOS](/wiki/android/lineageos.md).
+Well known custom ROMs [LineageOS](/wiki/android/lineageos.md) and
+[GrapheneOS](/wiki/android/grapheneos.md).
 
 It is possible that some custom ROMs require the user to
 [unlock the bootloader](#unlocking-the-bootloader) before the installation can happen.

wiki/android/grapheneos.md

@@ -0,0 +1,23 @@
+# GrapheneOS
+
+[GrapheneOS](https://grapheneos.org/) - or short Graphene - is a custom
+[Android](/wiki/android.md)-ROM and operating system for
+[Smartphones and Tablets](/wiki/smart_device.md#smartphones-and-tablet-computers) with mostly free
+and open-source software.
+
+## Compatible Devices and Installation
+
+Graphene is only available on specific devices that feature a maintained build of GrapheneOS.
+A list of compatible devices sorted by vendor can be found on the
+[official website](https://grapheneos.org/releases#devices).
+Note that currently only Google Pixel devices are supported.
+
+## Usage
+
+This section addresses the usage of GrapheneOS.
+
+### Configuration
+
+GrapheneOS features various settings and possibilities for configurations.
+A general overview of this was give in a
+[Reddit post by Tryptamine9](https://www.reddit.com/r/GrapheneOS/comments/18te8no/my_ride_through_grapheneos_what_works_and_guide/).

wiki/git_(general).md

@@ -25,9 +25,23 @@ A distinction can be made between
 Web interfaces for git are quite useful for easily showing code to other people.
 Additionally it is easy to collaborate together.
 
-- [Gitea](gitea.md) is an open-source and selfhosted and can be dockerized.
-- [GitHub](https://github.com) is the go to system for many people. Not
-  selfhosted, owned by microsoft ([cli-tool](https://github.com/github/hub)).
+- [Gitea](gitea.md) is an open-source and selfhosted git instance which can be dockerized.
+- [GitHub](https://github.com) is a popular git server. 
+  It is not selfhosted and owned by microsoft ([cli-tool](https://github.com/github/hub)).
+- [GitLab](https://gitlab.com) is a self-hostable git instance which also has a default version
+  available via their website.
+
+#### Git Apps
+
+Depending on the [specific server](#server-with-web-interface) used there are many different apps
+that can be used.
+
+- For [GitHub](https://github.com) there is app with the same name for
+  [Android](/wiki/android.md) devices and iOS devices.
+- For [Gitea](/wiki/gitea.md) and Forgejo there is an app called [GitNex](https://gitnex.com) which
+  is available for [Android](/wiki/android.md) devices.
+- For [GitLab](https://gitlab.com) there is an app called [LabNex](https://labnex.app) which is
+  available for [Android](/wiki/android.md) devices.
 
 #### Server without graphical interface
 

wiki/hailo.md

@@ -55,6 +55,16 @@ hailo optimize --use-random-calib-set <path-to-har-model>
 hailo compiler <path-to-optimized-har-model>
 ```
 
+If a calibration data set is available the following command can be used to optimize the model using
+this data set.
+`<data-set>` is the path of the data set.
+This is a directory containing `.npy` files that store single data points (for example images) in
+the input format.
+
+```sh
+hailo optimize --calib-set-path <data-set> <path-to-har-model>
+```
+
 Note that the user in the Docker container usually uses anothr UID and GID.
 To make the volume and files accessible inside the container the IDs of the files in the volume
 should be changed accordingly - for example as shown in the following example.

wiki/linux/git_(package).md

@@ -141,3 +141,20 @@ git config --global color.diff.old        "red bold"
 git config --global color.diff.new        "green bold"
 git config --global color.diff.whitespace "red reverse"
 ```
+
+### Save HTTPS Credentials
+
+The credentials used for HTTPS authorization can be saved with the following command.
+
+```sh
+git config --global credential.helper store
+```
+
+They can also be cached with the following command.
+
+```sh
+git config --global credential.helper cache
+```
+
+Both of these commands work globally.
+For local storing or caching of credentials the commands have to be adapted.

wiki/linux/proxmox.md

@@ -194,3 +194,16 @@ Find them with `find /etc -change '*eth0*'` and move them to the new name.
 After that `reboot` and the internet should be up again.
 (sources: [debian website](https://wiki.debian.org/NetworkInterfaceNames) and
 [proxmox forum](https://forum.proxmox.com/threads/upgrade-motherboard-reinstall.48630))
+
+### Balooning RAM and Resulting Problems
+
+When using a balooning device for RAM error messages - for example by [Docker](/wiki/docker.md) can
+be hidden.
+It is then more difficult to find the out-of-memory error that makes a program crash.
+Problems with balooning RAM can be found using the following command.
+
+```sh 
+journalctl -k
+```
+
+A typical error message for this type of issue is `Out of puff!`.