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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchStart by separating a Chrome launch failure from a screenshot that is missing, blank, or incomplete. Run a basic capture from a known writable directory, check the exit status and output file, then investigate page readiness, the installed Headless version, GPU configuration, or sandboxing only when the symptoms point there. The exact browser version, command, and error output matter: there is no single VPS flag that fixes every failure.
1. Check whether Chrome launches and writes the screenshot
Chrome documents chrome --headless --screenshot URL as a basic capture command. By default, it writes screenshot.png to the process’s current working directory. Run it from a directory the Chrome process can write to, and use a URL you can access from the VPS.
mkdir -p /tmp/chrome-shot-test
cd /tmp/chrome-shot-test
chrome --headless --screenshot https://example.com
status=$?
printf 'Exit status: %sn' "$status"
ls -l screenshot.pngReplace chrome with the executable name or path used by your installation if necessary. A successful-looking command is not enough: check the exit status and whether the file exists. If it does not, collect Chrome’s terminal output and establish whether the browser failed to start or failed while loading the page. Chrome’s documented command and output behavior are at Chrome for Developers: Headless mode.
Set a predictable viewport
For a controlled screenshot size, Chrome’s command-line reference shows --window-size with width and height in pixels:
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chrome --headless --window-size=412,892 --screenshot https://example.comThe viewport controls the browser window dimensions; it does not by itself guarantee that a page has finished loading or that every image is visible. See the Headless documentation for the example syntax.
2. If the file exists but the page is blank or incomplete
A generated image means the problem may be when Chrome captures the page, rather than whether it can launch. The command-line reference documents --timeout as a maximum wait in milliseconds before Chrome proceeds with capture even if the page is still loading. Try a longer bounded wait when the page is simply not ready at capture time:
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chrome --headless --timeout=10000 --screenshot https://example.comThis is a wait limit, not a guarantee that the page will be ready after that interval. If the screenshot remains incomplete, compare runs with different waits and inspect the page and Chrome output. Do not treat a blank image as proof that the GPU or sandbox is at fault. Flag behavior is documented in the Chrome Headless command-line reference.
3. Check whether your command depends on old Headless
Get the installed browser version and review the exact command, especially if it includes --headless=old. Chromium states that as of M132, the old Headless implementation is no longer part of the Chrome binary and --headless=old has no effect. Users who specifically need old Headless functionality are directed to the separate chrome-headless-shell binary. This is a version-specific compatibility issue, not a general fix for missing or blank screenshots.
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Record the browser version, command, exit status, and whether the output file is absent, blank, or merely incomplete before changing binaries. See Chromium’s Headless README for the implementation change.
4. Treat GPU errors as a configuration question
Do not add GPU flags just because Chrome runs on a VPS. Chromium documents that --enable-gpu disables forced software rendering. It also notes that Linux’s default OpenGL driver autodetection requires an X11 server and DISPLAY; forcing Vulkan has worked on some Linux configurations, but that is not a universal VPS remedy.
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If logs specifically point to GPU initialization, compare a minimal default Headless run with the GPU-enabled configuration rather than changing several options at once. Check whether the server actually has the display and driver setup required by the path you are trying. Chromium’s guidance is at Chromium GPU documentation.
5. Do not use --no-sandbox as a routine fix
Only investigate sandbox settings when the launch error indicates a sandbox problem. Chrome’s Headless documentation says, “--no-sandbox is not needed if you properly setup a user in the container.” Chromium describes Linux sandboxing as using multiple mechanisms, with the selected mechanisms depending on available kernel features.
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Before changing sandbox protections, identify whether Chrome runs in a container, which user launches it, and what the kernel and error output show. Disabling the sandbox without evidence can reduce security while leaving the actual failure untouched. See Chrome’s Headless guidance and Chromium’s Linux sandbox documentation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.6. Diagnose by symptom
| What you observe | First check | Next step |
|---|---|---|
| No screenshot file | Exit status, terminal output, current directory, and directory write access | Prove the basic command from a known writable directory before changing rendering options. |
| Screenshot exists but is blank or incomplete | Whether the page is still loading when capture proceeds | Test a bounded --timeout wait and compare the result. |
Command uses --headless=old |
Chrome version | For M132 and later, the old implementation is not part of the Chrome binary; see whether chrome-headless-shell is appropriate. |
| Logs point to GPU initialization | Whether GPU acceleration was explicitly enabled and whether the Linux display/driver path is available | Compare against a minimal default Headless run; treat Vulkan as configuration-specific. |
| Logs point to sandbox initialization | Container, launching user, kernel context, and exact error | Investigate the sandbox setup before considering any change to sandbox protections. |
The official guidance does not establish that a particular library, shared-memory limit, font package, or VPS provider explains a failure. Do not assume one of those causes without evidence from the machine and its logs.
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What information should I include when asking for help with a VPS screenshot failure?
Include the Chrome or Chromium version, exact command, exit status, terminal error output, and whether the file is missing, blank, or incomplete. Also identify whether Chrome runs inside a container and which user launches it.
Does a VPS need a GPU for Chrome Headless screenshots?
The cited Chromium guidance does not establish that a GPU is required for ordinary Headless screenshot capture. GPU behavior depends on the chosen rendering path and the Linux display and driver configuration.
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