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How to debug DNS errors: DNSSEC validation failed Browser error This site can’t be reached monitoring.mattionline.lan’s server DNS address could not be found.DNS_PROBE_FINISHED_NXDOMAIN Curl output mathias@workstation:~$ curl -v https://monitoring.mattionline.lan* Rebuilt URL to: https://monitoring.mattionline.lan/* Could not resolve host: monitoring.mattionline.lan* Closing connection […]
Ubuntu: How to completely remove the gui. Desktop to server version. I just had to remove the package xserver-xorg-core. $ apt-get remove xserver-xorg-core Then you should do a complete system reboot. $ reboot Now your system will start into the
Die Aktualisierung wurde abgebrochen. – freien Speicherplatz auf /boot Lösung: Alte Kernel löschen cd /boot Get your actual kernel: uname -a Remove the old kernels: (grep for 4.2.0-36 and remove everything # dpkg -l | grep 4.2.0-36) apt-get remove –purge
Aktualisierung abgebrochen – Speicherplatz /boot Weiterlesen »
If you want to upgrade a LTS version you must do this manually, because the LTS version just updates itself to another LTS version. (not to normal updates/upgrades) vim /etc/update-manager/release-upgrades # Prompt=lts # change to Prompt=normal do-release-upgrade -d
Error message: sign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey,keyboard-interactive). Solution ssh-add .ssh/id_rsa
Here you can find my Postfix – SSL/TLS Configuration file for ssl-tools.net. With this postfix main.cf config file every point is green under the website ssl-tools. Just add the following lines of code to the file: vim /etc/postfix/main.cf ##### TLS
My carbon process broke down a while ago. I figured out that my grafana wasn’t showing the actual data. So i made a icinga2 check if my carbon service is running. root@monitoring:/etc/icinga2/zones.d/master/hosts# vim monitoring.conf in the object host declaration: vars.process[„carbon“]
Icinga2 – check if the carbon service is running Weiterlesen »
As you can see on the image, grafana has no more data received. After a bit of debugging I found out that also the whisper files were correctly received (up to date). #whisper file root@monitoring:/var/lib/graphite/whisper/icinga2/pisensoren_mattionline_lan/services/ds18b20-28-0116106adaee/ds18b20/perfdata/temp# ls -la insgesamt 196 drwxr-xr-x
In the version 1.29 you could watch in the Frame tab why the event was triggered (red outline). With 1.30 this was removed. Now you can only see why zoneminder triggered the alarm in the Stills tab.
Den minidlna standard Port findet ihr in der Datei /etc/minidlna.conf Diese Datei könnt ihr durch den Texteditor nano oder vim bearbeiten und den Port ändern. vim /etc/minidlna.conf port=8200