SSH – close terminal instantly
Here is a shortcode to close the linux terminal instantly: STRG + D
Im Test: LG 49UH620V – 49 Zoll UHD/4K TV
Seit einiger Zeit besitze ich den LG 49UH620V. Mein vorheriger 42 Zoll TV hatte einen extrem dicken Rand und auch nur Full HD. Nachdem bei dem TV Reciever noch die Fernbedienung kaputt ging war dies ein perfekter Zeitpunkt um auf
pfsense – virsh startup error
I have removed the virtual network interface „brtsbot“ which was the own subnet for my teamspeak 3 music bot. Because of that my pfsense firewall (virtual machine) doesn’t came up. So i had to remove the network interface brtsbot from
Fritzbox – Telefonnummern sperren
In der Fritzbox Telefonnummern sperren: Telefonie -> Rufbehandlung -> Rufsperren -> Neue Rufsperre Bereich: Rufnummer Rufnummer: 06887123456 -> OK
pgp/gpg – encrypt attachments (list key ids)
How to manually encrypt attachments via gpg on the linux command line: # list of every key which is saved locally gpg –list-key # captures all of the updated keys from the keyserver gpg –refresh-keys # encrypt attachments with gpg gpg –output newfilename.gpg –encrypt
tshark – filter mac address
How to filter a mac address with tshark: I received a lot of errors trying to find the filter: That string looks like a valid display filter; however, it isn’t a validcapture filter (syntax error). Note that display filters and
systemd – DNSSEC validation failed: no-signature
systemd-resolve – resolve call failed: DNSSEC validation failed: no-signature Solution: vim /etc/systemd/resolved.conf [Resolve] DNS=192.168.2.134 DNSSEC=off
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resolved.conf / network auf systemd umstellen
sudo apt-get –purge autoremove network-manager network-manager-gnome vim /etc/systemd/resolved.conf [Resolve] DNS=192.168.2.134 DNSSEC=off #backwards compatiblity vim /etc/resolv.conf nameserver 192.168.2.134 domain mattionline.lan apt-get remove –purge resolvconf systemctl disable dhcpcd systemctl disable networking cd /etc/ ln -s /run/systemd/resolv/resolv.conf resolv.conf systemctl enable systemd-resolved.service systemctl restart
linux – run active commands in the background
If you want to run commands in the background in linux you can use screen or tmux. But what is with started processes like a long update/upgrade command. It is bad to abort it so you can put this running
grafana – {{alert.title}} Docs Support Plans
Grafana displayed an error message: Error message grafana – {{alert.title}} Docs Support Plans Community Grafana v3.1.1 (commit: a4d2708) New version available! Solution After the upgrade grafana needed a manual restart root@monitoring:~# systemctl restart grafana-server