Webserver, Datenbanken, Mailserver, Verschlüsselung
Content Security Policy (CSP) im nginx Webserver konfigurieren (Tutorial). CSP wird verwendet um Webanwendungen sicherer zu machen. Dort kann man definieren welche Inhalte von Drittseiten geladen werden dürfen. Dies ist der Fall bei externen CSS Dateien, JS Dateien, Bootstrap, Youtube […]
Content Security Policy nginx Tutorial Deutsch Weiterlesen »
Heres an Ansible playbook to update and upgrade Linux servers. Picture: Update six hosts at once.
What should you do when Ubiquiti Unifi is eating all of the disk space? Webinterface -> Settings -> Maintenance -> Historical Data Retention -> 90 days -> apply -> compact database Further reading: https://community.ui.com/questions/UNIFI-Eating-all-disk-space-or-Mongodb/0d35538e-16e9-45d4-a1e4-c1d8a4c0fc65 https://community.ui.com/questions/Unifi-Controller-5-4-11-on-Ubuntu-Eats-All-Disk-Space/f15b3db7-4e72-455e-8070-1585a91591e8
Configure port forwarding in pfsense Firewall -> NAT -> Port forward -> Add Protocol: TCP Destination port range: HTTPS Redirect target ip: 192.168.2.130 Redirect target port: HTTPS Description: Allow HTTPS -> Save Check if it’s working Mathiass-MacBook-Pro:~ mathias$ curl -k
How to hide the apache2 server version number root@homeserver:~# nano /etc/apache2/apache2.conf #add at the bottom of the file ServerTokens ProductOnly ServerSignature Off systemctl restart apache2 Before Mathiass-MacBook-Pro:~ mathias$ curl -k –head https://DOMAIN.TLDHTTP/1.1 401 UnauthorizedDate: Sun, 11 Jun 2017 13:18:20
I found out that my grafana had no data points in the 7 days view. My new icinga2 check worked correctly and produced the right data. The problem nano /etc/icinga2/zones.d/master/services/disks.conf import „10minute-service“ In my apply service declaration i defined the
Uhrzeit automatisch aktualisieren durch ntpdate und cron Zeitzone einstellen Durch folgenden Befehl könnt ihr eure Zeitzone einstellen (in meinem Fall Deutschland) dpkg-reconfigure tzdata -> Europa -> Berlin ntpdate installieren apt-get install ntpdate cronjob einrichten Folgender cronjob aktualisiert jede Stunde die
How to forward an email to an external domain in postfix (linux): Configure postfix like a normal mailserver. In the config you can use virtual_alias_maps to create a mapping table for the delivery of the emails. In this file you
Linux – forward email to external domain (postfix) Weiterlesen »
I wanted to disable a specific host (the services/checks). My raspberry pi is currently without an sd-card and it should not be monitored anymore. I found out that there is a check command „dummy“ which is saying that the service
How to hide/remove the x-powered-by header in nginx/hhvm. When you want to hide some details about the used software and version numbers. # curl –head https://mattionline.de X-Powered-By: HHVM/3.19.1 # nano /etc/hhvm/php.ini hhvm.server.expose_hphp = false # systemctl restart hhvm # curl