Category: Linux
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Backing up to gcloud storage from Linux/Virtualmin
Using Google Cloud Storage as backup for your linux server is inexpensive if you use the nearline storage option. This is cheaper that Amazon Web Services (at the time of writing) The process I use is as follows. Backup locally Create storage bucket / folders, set lifecycle Script to move backups find way to execute […]
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Find all the name servers of domain in Virtualmin
This script should find all the name servers of domains in virtualmin for dom in $(virtualmin list-domains –with-feature web –name-only); do host -t ns $dom done
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Linux command to create a tar gzip archive
To create a tar compressed archive, i.e. tar gzip from the linux commend line tar -cvzf myarchive.tar.gz directory
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no valid signature found: BIND DNS log error CENTOS
Getting validating @0x7f42bc0b1220: domainame A: no valid signature found: 1 Time(s) in my bind logs Apparently this is due to a config issue in /etc/named.conf change this line dnssec-validation yes; to auto dnssec-validation auto; and restart source of solution https://jackson-brain.com/bind-configuration-and-dnssec-validating-no-signature-found/
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error (unexpected RCODE REFUSED) resolving – BIND / Centos / Webmin
Whilst investing this error I found You’d definitely want to limit recursive queries to your local server, and not allow it for any user on the internet. That’s done with the “allow-recursion” directive, or there’s also an edit box in Webmin’s BIND module for it. So you should set “Do fully recursive lookups” to “Default” […]
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error (network unreachable) resolving – BIND issues on Webmin / Centos
I was getting error (network unreachable) resolving messages in my bind log. After investigation this appears to be due to IPv6 addresses. Do you use IPv6 on your server? If not, you can instruct BIND to only use IPv4 by adding the option “-4″ to its startup parameters. My server is CENTOS based and I […]