How To Install knot-resolver on Debian 12
Introduction
In this tutorial we learn how to install knot-resolver on Debian 12.
What is knot-resolver
knot-resolver is:
The Knot Resolver is a caching full resolver implementation written in C and LuaJIT, including both a resolver library and a daemon. Modular architecture of the library keeps the core tiny and efficient, and provides a state-machine like API for extensions. There are three built-in modules - iterator, cache, validator, and many external.
The Lua modules, switchable and shareable cache, and fast FFI bindings makes it great to tap into resolution process, or be used for your recursive DNS service. It’s the OpenResty of DNS.
The server adopts a different scaling strategy than the rest of the DNS recursors - no threading, shared-nothing architecture (except MVCC cache that may be shared). You can start and stop additional nodes depending on the contention without downtime.
There are three methods to install knot-resolver on Debian 12. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install knot-resolver Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install knot-resolver using apt-get by running the following command:
sudo apt-get -y install knot-resolver
Install knot-resolver Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install knot-resolver using apt by running the following command:
sudo apt -y install knot-resolver
Install knot-resolver Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install knot-resolver using aptitude by running the following command:
sudo aptitude -y install knot-resolver
How To Uninstall knot-resolver on Debian 12
To uninstall only the knot-resolver package we can use the following command:
sudo apt-get remove knot-resolver
Uninstall knot-resolver And Its Dependencies
To uninstall knot-resolver and its dependencies that are no longer needed by Debian 12, we can use the command below:
sudo apt-get -y autoremove knot-resolver
Remove knot-resolver Configurations and Data
To remove knot-resolver configuration and data from Debian 12 we can use the following command:
sudo apt-get -y purge knot-resolver
Remove knot-resolver configuration, data, and all of its dependencies
We can use the following command to remove knot-resolver configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge knot-resolver
Dependencies
knot-resolver have the following dependencies:
- adduser
- debconf
- dns-root-data
- lua-sec
- lua-socket
- debconf
- libc6
- libdnssec9
- libedit2
- libfstrm0
- libgcc-s1
- libgnutls30
- libjemalloc2
- libknot13
- liblmdb0
- libluajit-5.1-2
- libnghttp2-14
- libprotobuf-c1
- libstdc++6
- libsystemd0
- libuv1
- libzscanner4
References
Summary
In this tutorial we learn how to install knot-resolver package on Debian 12 using different package management tools: apt, apt-get and aptitude.
