Added stuff for servers

arch-config/Dokumente/Server-setups/debian-fixterminal.md

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+# Fix the terminal
+
+*All commands assume being logged in as root user on the server unless noted otherwise.*  
+
+Appends the fix for termite to the .bashrc file. (run from home directory)  
+```bash
+echo 'export TERM=xterm-color' >> .bashrc
+```
+
+

arch-config/Dokumente/Server-setups/debian-nextcloud.md

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+# Nextcloud installation
+
+*All commands assume being logged in as root user on the server unless noted otherwise.*  
+
+Installing required packages  
+```bash
+apt install mlocate apache2 libapache2-mod-php mariadb-client mariadb-server wget unzip bzip2 curl php php-common php-curl php-gd php-mbstring php-mysql php-xml php-zip php-intl php-apcu php-redis php-http-request  
+```
+
+## Set up the database  
+Just press enter when asked for a root password this time, as it has not yet been set.  
+```bash
+mysql -u root -p  
+```
+
+The command prompt should have changed to something similar to `MariaDB [(none)]>`  
+
+```mysql
+CREATE DATABASE nextcloud;  
+```
+
+```mysql
+GRANT ALL ON nextcloud.* TO 'nextcloud'@'localhost' IDENTIFIED BY '<password>';  
+```
+
+```mysql
+FLUSH PRIVILEGES;  
+```
+
+Exit the MariaDB prompt.  
+```mysql
+\q  
+```
+
+## Nextcloud installation
+
+Change into the /var/www directory.  
+
+Download the latest Nextcloud version (19.0.2 at the time of writing).  
+```bash
+wget https://download.nextcloud.com/server/releases/nextcloud-<version>.zip  
+```
+
+Unzip Nextcloud  
+```bash
+unzip nextcloud-<version>  
+```
+
+Change owner and group of the nextcloud directory.  
+```bash
+chown -Rfv www-data:www-data nextcloud  
+```
+
+Create the apache2 site configuration for Nextcloud.   
+```bash
+vi /etc/apache2/sites-available/nextcloud.conf  
+```
+
+Copy this configuration into the newly created file.  
+
+```
+<VirtualHost *:80>  
+ServerAdmin webmaster@localhost  
+DocumentRoot /var/www/nextcloud  
+Alias /nextcloud "/var/www/nextcloud/"  
+    
+<Directory "/var/www/nextcloud/">  
+Options +FollowSymlinks  
+AllowOverride All  
+
+<IfModule mod_dav.c>  
+Dav off  
+</IfModule>  
+
+Require all granted  
+
+SetEnv HOME /var/www/nextcloud  
+SetEnv HTTP_HOME /var/www/nextcloud  
+</Directory>  
+
+ErrorLog ${APACHE_LOG_DIR}/nextcloud_error_log  
+CustomLog ${APACHE_LOG_DIR}/nextcloud_access_log common  
+</VirtualHost>  
+```
+
+Enable the nextcloud config and disable the default config.  
+```bash
+a2ensite nextcloud.conf && a2dissite 000-default.conf
+```
+```bash
+systemctl restart apache2 && systemctl status apache2
+```
+
+Final configuration has to be done in the Nextcloud webinterface.  
+
+## HTTPS setup
+
+
+
+
+

arch-config/Dokumente/Server-setups/debian-ssh.md

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+# ssh
+
+*All commands assume being logged in as root user on the server unless noted otherwise.*  
+
+```bash
+apt install openssh-server
+```
+
+```bash
+systemctl enable ssh
+```
+
+Permit root login (will be restricted again later).
+```bash
+vi /etc/ssh/sshd_config
+```
+Find `PermitRootLogin without-password` and change it to `PermitRootLogin yes`. Remove the `#` in front of it if there is one.  
+```bash
+systemctl restart ssh
+```
+
+## Add ssh-keys  
+
+*This command has to be run from the computer you want to have ssh access through keys later.*  
+```bash
+ssh-copy-id -i <file location> <user>@<ip/domain>
+```
+In <file location> the location of the ssh public keys has to be inserted. The default is ~/.ssh/id_rsa.pub.  
+In case you have not yet created an ssh-key, run the following command.  
+```bash
+ssh-keygen
+```
+
+## Disable password access  
+
+```bash
+vi /etc/ssh/sshd_config
+```
+Find `PasswordAuthentication yes` and change it to `PasswordAuthentication no`. Remove the `#` in front of it if there is one.  
+```bash
+systemctl restart ssh
+```
+
+
+