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Tobias
2026-06-07 12:27:27 +01:00
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@@ -2,15 +2,17 @@
## Motivation ## Motivation
Due to hosting my Nginx webserver at home my IP is subject to change as my ISP does not afford me a static one Due to hosting my Nginx webserver at home my IP is subject to change, as my ISP does not grant me a static one
Said webserver hosts tobiastime.xyz and the pages you are currently viewing Said webserver hosts tobiastime.xyz and the pages you are currently viewing
Initially I wanted to create a Bash script to interact with Namecheap's API allowing me to automatically update my A record when needs be Initially I wanted to create a Bash script to interact with Namecheap's API allowing the automatic update of the A record for the root of my domain when needs be
However Namecheap charges $50 to interact with their API, and I have heard even if you cough up the money it is very poor and limited However Namecheap charges $50 to interact with their API, and I have heard even if you cough up the money it is quite poor and limited
Consequently I began to run my own nameservers (ns1/2.tobiastime.xyz) on two headless Debian virutal private servers affording me full autonomy and control over my domain, utilizing PowerDNS as the backend Consequently I began to run my own nameservers on two headless Debian virtual private servers with PowerDNS and a SQLite3 database serving as the backend
This granted me full autonomy and control over my domain
## Dependencies ## Dependencies
@@ -57,7 +59,7 @@ Create jaileduser as a system user
useradd -r -s /usr/sbin/nologin jaileduser useradd -r -s /usr/sbin/nologin jaileduser
``` ```
If it hasn't been automatically created, then create jaileduser's home directory and give root ownership If it has not been automatically created, then create jaileduser's home directory and give root ownership
Root must be given ownership due to chroot modifications we will make in the SSH config Root must be given ownership due to chroot modifications we will make in the SSH config
@@ -93,7 +95,7 @@ Lastly we generate the SSH key for jaileduser so it can be used to authenticate
And create the appropriate files within jaileduser's home directory And create the appropriate files within jaileduser's home directory
The private key will need to be transfered and stored onto the Nginx server The private key will need to be transferred and stored onto the Nginx server
``` bash ``` bash
mkdir /home/jaileduser/.ssh mkdir /home/jaileduser/.ssh
@@ -240,7 +242,7 @@ On the master nameserver in /etc/crontab place:
Assuming your system has logrotate installed (as most modern distros do Assuming your system has logrotate installed (as most modern distros do
And you don't want a giant wall of text singular log file for all bashddns actions on the master nameserver And you don't want a giant wall of text singular log file for all BashDDNS actions on the master nameserver
### A log rotate entry can be made as follows: ### A log rotate entry can be made as follows:
@@ -262,4 +264,4 @@ nano /etc/logrotate.d/bashddns
} }
``` ```
This will keep logs for a week, rotate them daily, compress old ones, and ensure the log file is readable and writebale by your user This will keep logs for a week, rotate them daily, compress old ones, and ensure the log file is readable and writable by your user