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Fototrend
Amit érdemes tudni a Raspberry Pi-kről:
A legelső változat 2012-ben jelent meg. Pici, olcsó és nagyon alacsony fogyasztású, hobby-célú kártyagép. Felépítése ARM alapú, nem PC-architektúra, hanem kb. egy régi mobilhoz hasonló. Nagyon sok mindenre használható! A Linux-nak és a magas eladási mennyiségnek köszönhetően jelentős fejlesztőtáborral rendelkezik.
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Passz, én ebbe futottam bele még anno:
Installing on Ubuntu
Modern releases of Ubuntu (17.10+) includesystemd-resolvedwhich is configured by default to implement a caching DNS stub resolver. This will prevent pi-hole from listening on port 53. The stub resolver should be disabled with:sudo sed -r -i.orig 's/#?DNSStubListener=yes/DNSStubListener=no/g' /etc/systemd/resolved.conf
This will not change the nameserver settings, which point to the stub resolver thus preventing DNS resolution. Change the/etc/resolv.confsymlink to point to/run/systemd/resolve/resolv.conf, which is automatically updated to follow the system'snetplan:sudo sh -c 'rm /etc/resolv.conf && ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf'After making these changes, you should restart systemd-resolved usingsystemctl restart systemd-resolved
Once pi-hole is installed, you'll want to configure your clients to use it (see here). If you used the symlink above, your docker host will either use whatever is served by DHCP, or whatever static setting you've configured. If you want to explicitly set your docker host's nameservers you can edit the netplan(s) found at/etc/netplan, then runsudo netplan apply. Example netplan:network:
ethernets:
ens160:
dhcp4: true
dhcp4-overrides:
use-dns: false
nameservers:
addresses: [127.0.0.1]
version: 2
Note that it is also possible to disablesystemd-resolvedentirely. However, this can cause problems with name resolution in vpns (see bug report). It also disables the functionality of netplan since systemd-resolved is used as the default renderer (see man netplan). If you choose to disable the service, you will need to manually set the nameservers, for example by creating a new /etc/resolv.conf.
Users of older Ubuntu releases (circa 17.04) will need to disable dnsmasq.
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