![]() ![]() It seems to return a series of errors regarding 'failure to fetch' archive files due to being unable to resolve 'us. Solution: This issue can occur if the host name is not updated or incorrect in the /etc/hosts file. ![]() I ran the command sudo apt update to try and update the app repository, I think that is the correct term. (note the us-west-2 in the second block versus the us-west-1 in the first), and I no longer got the "unable to resolve host" error. The issue I am having, is that my Ubuntu server does not seem to be able to access the internet. A '0' return means it finished without error, anything else(we see it returned 1 in the original error) means there was an exception, if there wasnt an. This has mostly fallen into disuse these days, but it was a way to keep the same sudoers file identical across multiple servers without having to tweak it for every single host. if grep -q (hostname) /etc/hosts then next else sudo sed -i 's/127.0.0.1 localhost/127.0.0.1 localhost (hostname)/g' /etc/hosts fi The if grep -q says to return the status of the command. Longer explanation: As man sudoers explains, there is room in a sudoers entry for a 'host' specification. # DO NOT EDIT THIS FILE BY HAND - YOUR CHANGES WILL BE OVERWRITTENĪfter creating a new DHCP option set with domain= and applying that to my VPC, once I restarted my EC2 instance, the nf file looked like this # Dynamic nf(5) file for glibc resolver(3) generated by resolvconf(8) 1 TL DR: Almost certainly none, but mind the qualifier. The error means there is a missing, wrongly configured or inactive nf file. As a result, when the machine was started, the EC2 scripts that set up the machine were putting this into my nf file # Dynamic nf(5) file for glibc resolver(3) generated by resolvconf(8) If your situation is like mine, you will see the nameservers for your main internet adapter, but NOT the nameservers from the VPN adapter above. ![]() There should be a block for your VPN connection that contains one or more DNS Servers. host is a simple utility to perform Domain Name System (DNS) lookups, which involve translating human-readable hostnames into IP addresses and vice versa. The DHCP Option Set for my VPC was pointing at us-west-1 but my new VPC was in us-west-2. Steps to fix: Run ipconfig /all on Windows. These have been addressed at the time then, but it's not impossible that they have been reintroduced by some recent changes in Synology or by that process wrapper you are using.I had this issue when I copied settings from one availability zone to another. The siteName is the host / site name portion of the domain ( my. The errors you show maybe linked to an older issue, with some leads to the kernel Synology was running on at that time and to the Linux Pluggable Authentication Modules missing some compile-time options, see GitHub for complete coverage. hostname, you may pass the hostname to the link command. Is it normal for Synology Docker installations to wrap Docker images like that, or is that your own customisation? Linux servers setting Hostname and -sudo: unable to resolve host- solution. In addition, it seems that your are not running the Pi-hole docker image directly, but rather through some kind of process wrapper (presumably, s6 overlay?), as standard Docker Pi-hole wouldn't know or need many of the environment variables shown. I tried everything, like adding my localhost, as specified in /etc/hostna. Those above screenshots of yours are not showing Pi-hole's UI, and neither is the log produced by Pi-hole. Hi, I recently started to get this error: rootlocalhost: sudo true sudo: unable to resolve host localhost but I think when I first installed the bash it worked. Wondering if anyone could shed some light on 2 errors I'm getting in my Pi-Hole log? ![]()
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