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How Do I Use Sudo With Wq In Vim To Save Protected Files?
2025-09-07 04:29:38
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3 Answers
Hannah
2025-09-08 14:13:06
I get annoyed when I forget to sudo and then try to :w and get blocked — luckily there's a slick rescue: from normal mode type :w !sudo tee % >/dev/null and then follow with :q. It’s short, reliable, and I use it whenever I realize mid-edit that I don’t have write permission. The way I explain it to friends is this: you’re piping the buffer into a root-owned write tool ('tee') instead of letting vim try to write the file directly.
If you prefer not to rely on that trick, try running sudoedit filename (or sudo -e) next time; it creates a temporary editable file that gets moved into place after you save, which avoids running the whole editor as root. For repetitive use, put a small command in your vimrc like command! Wsudo execute 'w !sudo tee % >/dev/null' | execute 'edit! %' — that keeps your buffer in sync. And a heads-up: opening GUI versions or running sudo vim can sometimes mess with your environment or plugins, so I tend to stick with sudoedit or the tee trick unless I absolutely need to run the editor as root.
If you prefer not to rely on that trick, try running sudoedit filename (or sudo -e) next time; it creates a temporary editable file that gets moved into place after you save, which avoids running the whole editor as root. For repetitive use, put a small command in your vimrc like command! Wsudo execute 'w !sudo tee % >/dev/null' | execute 'edit! %' — that keeps your buffer in sync. And a heads-up: opening GUI versions or running sudo vim can sometimes mess with your environment or plugins, so I tend to stick with sudoedit or the tee trick unless I absolutely need to run the editor as root.
Violet
2025-09-10 09:41:04
Totally hit this snag before — you open a file in vim, make your edits, and then bam: permission denied when you try to save. The neat little trick I use most often is this one-liner from inside vim: :w !sudo tee % >/dev/null
What that does is write the buffer to the sudoed 'tee' command, which will overwrite the original file as root. The % expands to the current filename, so the full flow is: vim hands the file contents to sudo tee, tee writes it with elevated rights, and the >/dev/null part hides the tee output so your buffer stays as-is. After that you can do :q to quit. I like this because it’s fast and doesn’t require reopening the file as root.
If you want a slightly cleaner approach, consider using sudoedit (sudo -e) to open files with your preferred editor as a temporary safe copy — it edits a temp file and then installs it as root, which is safer from a security perspective. For convenience I sometimes create a vim command or mapping, like cnoremap W!! w !sudo tee % >/dev/null, so typing :W!! saves without fuss. Also, if you frequently need root saves, the plugin 'sudo.vim' (provides commands like :SudoWrite) is worth installing. Each method has trade-offs: the tee trick is quick, sudoedit is safer, and opening vim with sudo from the start (sudo vim file) works but bypasses some safety models.
What that does is write the buffer to the sudoed 'tee' command, which will overwrite the original file as root. The % expands to the current filename, so the full flow is: vim hands the file contents to sudo tee, tee writes it with elevated rights, and the >/dev/null part hides the tee output so your buffer stays as-is. After that you can do :q to quit. I like this because it’s fast and doesn’t require reopening the file as root.
If you want a slightly cleaner approach, consider using sudoedit (sudo -e) to open files with your preferred editor as a temporary safe copy — it edits a temp file and then installs it as root, which is safer from a security perspective. For convenience I sometimes create a vim command or mapping, like cnoremap W!! w !sudo tee % >/dev/null, so typing :W!! saves without fuss. Also, if you frequently need root saves, the plugin 'sudo.vim' (provides commands like :SudoWrite) is worth installing. Each method has trade-offs: the tee trick is quick, sudoedit is safer, and opening vim with sudo from the start (sudo vim file) works but bypasses some safety models.
Xavier
2025-09-13 18:08:18
Quick tip that saved me more times than I’d like to admit: if you forgot to open the file with root permissions, inside vim run :w !sudo tee % >/dev/null then :q. It writes the buffer through sudo, so the file gets replaced with your changes. Alternatively, use sudoedit (sudo -e filename) up front — it edits a temp copy and is generally safer than running the entire editor as root. For convenience I sometimes create a short command or mapping in my vimrc to avoid typing the whole thing, but be mindful of sudo prompts in GUI terminals. Either way, the tee trick is the fastest recovery when you’re in the middle of an edit and don’t want to lose changes.
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