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hostsed is a simple python tool for editing hosts file(default /etc/hosts), you can add or delete a DNS entry via command line shell(e.x. bash). Editing hosts file with hostsed would be a more idemponent command line experience, i.e., add/del the same record won’t result duplicated or missing entries in the hosts file. hostsed will check the validity ip address for both IPV4 and IPV6.


You may install hostsed via pip. Python3 is preferred:

sudo pip3 install hostsed

Or on system default pip command:

sudo pip install hostsed


Display the hosts file content

sudo hostsed
# specify a location other than /etc/hosts
hostsed --file hosts.example

Add an entry

sudo hostsed add <ip address> <hostname1> <hostname2> ...


sudo hostsed add gateway
sudo hostsed add mongo-store-1 mysql-02
hostsed --file hosts.exmaple add

Delete an entry

rm/delete/remove are all alias for del:

sudo hostsed del <ip address> <hostname>


sudo hostsed remove gateway
hostsed --file hosts.exmaple rm ::1 localhost

Drop lines with specified ip or hostname

sudo hostsed drop <ip or hostname>


sudo hostsed drop
sudo hostsed drop
hostsed --file hosts.exmaple drop ::1

Get the ip address of a docker container

sudo hostsed docker <docker-container-name>


Thanks for @noahfx provide some awesome improve for hostsed.

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