# Konfiguration

<header class="entry-header" id="bkmrk-gr%C3%B6%C3%9Fe-von-%2Fvar%2Flog%2Fj">#### Größe von /var/log/journal begrenzen

</header>Über die Zeit wächst das Verzeichnis /var/log/journal deutlich an. Gerade auf kleinen vServern ist das unangenehm. Dies kann schnell auf mehrere Gigabyte anwachsen. Dies kann man in der Datei /etc/systemd/journald.conf begrenzen:

```
[Journal]
SystemMaxUse=32M

```

Einmalig kann dies auch mit folgenden Befehl aufgeräumt werden.

```
journalctl --vacuum-size=32M
```

#### Add User to sudoers:

```
usermod -aG sudo username
```

#### Automatische Updates:

Alternativ ist im Anacron bereits ein entsprechender Mechanismus implementiert: */etc/cron.daily/apt* .  
Nach Erstellen der Datei /etc/apt/apt.conf.d/02periodic sollte eine tägliche Systemaktualisierung starten. Hier der Inhalt der Datei *02periodic*:

```
APT::Periodic::Enable "1";
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";
APT::Periodic::Verbose "2";
APT::Periodic::RandomSleep "11";
```

<p class="callout info">[https://www.cyberciti.biz/faq/how-to-keep-debian-linux-patched-with-latest-security-updates-automatically/](https://www.cyberciti.biz/faq/how-to-keep-debian-linux-patched-with-latest-security-updates-automatically/ "Link")</p>

#### Owncloud-Client ist nicht in den Repos:

wget -nv https://download.owncloud.com/desktop/ownCloud/stable/latest/linux/Debian\_11/Release.key -O - | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/owncloud.gpg &gt; /dev/null

  
 echo 'deb https://download.owncloud.com/desktop/ownCloud/stable/latest/linux/Debian\_11/ /' | sudo tee -a /etc/apt/sources.list.d/owncloud.list

  
 apt-get update -y

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#### Teamviewer Debian 12

apt-get update  
apt install curl apt-transport-https  
 curl -fSsL https://download.teamviewer.com/download/linux/signature/TeamViewer2017.asc | sudo gpg --dearmor | sudo tee /usr/share/keyrings/teamview.gpg &gt; /dev/null  
   
echo "deb \[arch=amd64 signed-by=/usr/share/keyrings/teamview.gpg\] http://linux.teamviewer.com/deb stable main" | sudo tee /etc/apt/sources.list.d/teamviewer.list

apt-get update

#### Armbian - WIFI

<div class="ipsComment_meta ipsType_light ipsFlex ipsFlex-ai:center ipsFlex-jc:between ipsFlex-fd:row-reverse" id="bkmrk-"><div class="ipsType_reset ipsResponsive_hidePhone"><time data-short="2 Jr." datetime="2020-06-21T00:42:47Z" title="06/21/20 02:42 "></time>** Network Manager CLI **</div></div>use NMCLI

```
$ nmcli device status
DEVICE  TYPE      STATE         CONNECTION         
enp1s0  ethernet  connected     Wired connection 1 
wlp2s0  wifi      disconnected  --                 
lo      loopback  unmanaged     --  
```

to check radio

```
$ nmcli radio
WIFI-HW  WIFI     WWAN-HW  WWAN    
enabled  enabled  enabled  enabled 
```

Let's see what's out there... scan for AP's

```
$ nmcli dev wifi list
SSID                  MODE   CHAN  RATE       SIGNAL  BARS  SECURITY 
MYSSID         Infra  11    54 Mbit/s  100     ▂▄▆█  WPA2     
MYSSID         Infra  132   54 Mbit/s  100     ▂▄▆█  WPA2     
SOMEOTHERSSID  Infra  52    54 Mbit/s  49      ▂▄__  WPA2     
MYSSID         Infra  149   54 Mbit/s  45      ▂▄__  WPA2     
MYSSID         Infra  11    54 Mbit/s  42      ▂▄__  WPA2     
SOMEOTHERSSID  Infra  1     54 Mbit/s  27      ▂___  WPA2
```

Now, let's connect to WiFi (note, one must be root or sudo access)

Connecting to an open AP

```
$ nmcli device wifi connect <SSID|BSSID>
```

For a password protected AP, see below

```
$ nmcli device wifi connect <SSID|BSSID> password <password>
```

To set up a device as an AP - this assumes that WLAN0 is the wireless interface...

```
$ nmcli dev wifi hotspot ifname wlan0 <SSID> password "<password>"
```

\---------------------------------------------------------------------------------------------------------

#### Mutimedia Repository einbinden

1. Add the following line to /etc/apt/sources.list: ```
    deb http://www.deb-multimedia.org trixie main
    ```
2. Update the package index: ```
    ＄ sudo apt-get update -oAcquire::AllowInsecureRepositories=true
    ```
3. Install GPG key of the repository: ```
    ＄ sudo apt-get install deb-multimedia-keyring
    ```
4. Install deb-multimedia-keyring deb package: ```
    ＄ sudo apt-get install deb-multimedia-keyring
    ```

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