Hosts File Guides
Everything you need to edit, understand, and troubleshoot the hosts file, organized by platform and use case.
How to Edit the Host File
Step-by-step guide for Windows, macOS and Linux with admin tips, DNS flush, and FAQ.
Read guide →Most searched guides
Flush DNS on macOS 26 Tahoe
Tahoe-specific flush command, verification, and browser cache.
Read guide →Edit Hosts File on Windows 10 & 11
Notepad, PowerShell, VS Code — same path on Win 10 and 11.
Read guide →mkcert SSL Local on Mac
Trusted HTTPS for localhost, .test domains, Vite and Next.js.
Read guide →Flush DNS Cache on Mac
Copy the macOS flush DNS command after hosts or DNS changes.
Read guide →Edit Hosts File on Mac
Terminal vs GUI, sudo nano, and DNS flush.
Read guide →By platform
Edit Hosts File on Windows 10 & 11
Notepad, PowerShell, VS Code — same path on Win 10 and 11.
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 →Edit Hosts on Windows 11 24H2
Smart App Control, Controlled Folder Access, and 24H2 DNS flush.
Read guide →DNS & local HTTPS
Flush DNS Cache on Mac
Copy the macOS flush DNS command after hosts or DNS changes.
Read guide →Flush DNS on macOS 26 Tahoe
Tahoe-specific flush command, verification, and browser cache.
Read guide →Flush DNS on macOS 15 Sequoia
Sequoia flush command with dscacheutil and browser cache fixes.
Read guide →mkcert + Vite & Next.js HTTPS
Wire mkcert into Vite and Next.js dev servers.
Read guide →mkcert SSL Local on Mac
Trusted HTTPS for localhost, .test domains, Vite and Next.js.
Read guide →Flush DNS Cache on Linux
systemd-resolved, NetworkManager, and Ubuntu 24.04 commands.
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 →