Hosts File Guides
Everything you need to edit, understand, and troubleshoot the hosts file — organized by platform and use case.
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How to Edit the Host File
Step-by-step guide for Windows, macOS and Linux with admin tips, DNS flush, and FAQ.
Read guide →By platform
Edit Hosts File on Windows 10
Notepad as administrator, UAC, and save fixes.
Read guide →Edit Hosts File on Windows 11
Three methods for Windows 11 including PowerShell.
Read guide →Edit Hosts File on Mac
Terminal vs GUI, sudo nano, and DNS flush.
Read guide →Edit Hosts File on Linux
/etc/hosts with nano or vim and DNS flush.
Read guide →Edit Hosts File on Ubuntu
Ubuntu-specific steps with systemd-resolved.
Read guide →Troubleshooting
Edit Hosts File as Administrator
Why admin rights are required and how to fix permission errors.
Read guide →Hosts File Changes Not Working
DNS cache, browser cache, and DNS blockers.
Read guide →Hosts File Permission Denied
Fix access denied on Windows, Mac and Linux.
Read guide →Is Editing the Hosts File Safe?
Risks, backups, and when to use hosts vs DNS.
Read guide →