Category: Linux

Ubuntu 18.04 to 20.04 Upgrade Notes

Upgrading might break your local resolver, DNSMasq. When you issue the command systemctl status dnsmasq, you might get an error that looks something like, dnsmasq: cannot access /etc/dnsmasq.d/lxd: No such file or directory. DNSMasq does not start because it cannot find this file. This file is simply a dangling symlink that needs to be removed,…

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Fix DNS after upgrading to Ubuntu Server 20.04

The way DNS is configured in Ubuntu has become overly complicated in the last few versions. Insteadof configuring /etc/network/interfaces, it is now configured using Netplan. But sometimes thatdoesn’t even work because DNS is ultimately controlled by systemd-resolv. systemd-resolvgenerates /etc/resolv.conf and the default stub DNS uses a local resolver to resolve DNShostnames. For some reason, after…

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Install PowerDNS with PowerDNS-Admin

There are several places where you will need to choose a custom value, such as password. Pleasekeep that in mind. Update Ubuntu Install MariaDB Run MySQL security Login to MySQL as root We will now create the powerdns table. Use the following commands within the MySQL console line byline. Disable systemd-resolved. Replace resolv.conf. Install PowerDNS…

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