hosty

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System-wide ad blocker for Linux.

Hosty aims to block annoying things designed to steal time like ads, dangerous software such as spyware and things that harms user privacy. By default it works by downloading a predefined list of domains to block and adding them to the hosts file of your system (keeping the existing rules intact).

In the predefined list we don’t accept political censorship or paternalistic goals like blocking porn or gambling, we DON’T accept anything that harms user FREEDOM.

Comparison of total memory usage

Installation

Requirements

Install the requirements

Install hosty

Just run:

$ curl -L git.io/hosty | sh

The installer will ask you if you want to always run the latest version of hosty code, to achieve this, code updates are downloaded from this repository in each execution. A verification mechanism is included, hosty will make sure automatically that the updates are signed by me.

Still, you may not like to trust me, you can also install hosty without automatic code updates and manually check if updates are available.

You will also be asked if you want to automatically run hosty every so often to update your hosts file with latest domains list.

Run hosty

Enable system-wide ad blocking with:

$ sudo hosty

You probably want to run it periodically to update your hosts file with latest domains list.

Automatic run configuration

Hosty can be configured to periodically update your hosts file with:

$ sudo hosty --autorun

It will ask how often you want to execute it. A hosty file in /etc/cron.daily, /etc/cron.weekly or /etc/cron.monthly will be created.

Blacklist

Hosty will keep your hosts file modifications if you don’t write them below the indicated line, but you can also use a blacklist.

Add the domains to block editing the file /etc/hosty/blacklist (with root permissions), one domain name per line:

facebook.com
wwww.facebook.com

Whitelist

You can include exceptions editing the file /etc/hosty/whitelist (with root permissions), one domain name per line:

astrolince.com
www.astrolince.com

Custom sources

If you want to add additional custom sources from the internet, create a text file in:

/etc/hosty/blacklist.sources for files with domains to block

or/and

/etc/hosty/whitelist.sources for files with domains to unblock

and write in them one url per line:

https://www.malwaredomainlist.com/hostslist/hosts.txt

Hosty will take all domains separated by some symbol, space or new line, so it supports hosts-style files and files with just domains.

ABP, uBlock Origin, Brave and AdGuard files are accepted too, but take in account that ANY not-commented domain will be used, so it’s safer to use them in whitelists than in blacklists (a website that you don’t want to block can end up blocked if exists in the file).

You can also run hosty using ONLY your custom sources with:

$ sudo hosty --ignore-default-sources

and you can config autorun to run that way too:

$ sudo hosty --autorun --ignore-default-sources

Keep in mind that this is an advanced function that we do not recommend using, hosty is designed and tested to be used with the default configuration and in that way we believe that it will give you the best experience.

Restore your original hosts file

If you want to disable hosty ad blocking:

$ sudo hosty --restore

Read the modified hosts without modifying your system

You can debug what hosty will do to your system with:

$ hosty --debug

Uninstalling hosty

If you don’t use it anymore:

$ sudo hosty --uninstall

If your want to restore your original hosts file, run that option first.

License

Hosty is MIT licensed.