[GH-ISSUE #6567] Firejail + tmux: tmux windows are labeled "firejail" instead of the actual application #3306

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opened 2026-05-05 09:54:08 -06:00 by gitea-mirror · 0 comments

gitea-mirror commented

2026-05-05 09:54:08 -06:00

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Originally created by @jovial-snyder on GitHub (Dec 15, 2024).
Original GitHub issue: https://github.com/netblue30/firejail/issues/6567

Description

This is a continuation of an issue that was closed in 2018 by @chiraag-nataraj with no particular reason (the other issue he mentions discusses a completely different topic that was also never resolved). I am creating this new one because the problem still persists. I can't be the only one who uses tmux and firejail, so I am hoping that someone found a workaround.

Problem: When using firejail inside tmux, the tmux window takes the name "firejail" instead of the actual application executed by firejail:

If this problem is not for firejail to solve, then feel free to close this issue.

Steps to Reproduce

Open any terminal emulator
Start tmux
Start an application with firejail (e.g. firejail ngrok)
See that the tmux window title is now labeled "firejail" as long as the application is running
Now do the same with other applications in other tmux windows, and you end up with many windows labeled "firejail" instead of the actual application ("ngrok"). See screenshot above. This makes it hard to find a window.

Expected behavior

See that the tmux window title is now "ngrok" and not "firejail"

Environment

Name/version/arch of the Linux kernel (uname -srm): Linux 6.11.0-12-generic x86_64
Name/version of the Linux distribution (e.g. "Ubuntu 20.04" or "Arch Linux"): Ubuntu 24.10
Version of Firejail (firejail --version): 0.9.72

Originally created by @jovial-snyder on GitHub (Dec 15, 2024). Original GitHub issue: https://github.com/netblue30/firejail/issues/6567 ### Description This is a continuation of an [issue](https://github.com/netblue30/firejail/issues/281) that was closed in 2018 by @chiraag-nataraj with no particular reason (the other issue he mentions discusses a completely different topic that was also never resolved). I am creating this new one because the problem still persists. I can't be the only one who uses tmux and firejail, so I am hoping that someone found a workaround. Problem: When using firejail inside tmux, the tmux window takes the name "firejail" instead of the actual application executed by firejail: ![image](https://github.com/user-attachments/assets/845f9e95-fa48-43b0-a42f-84ee0241be58) If this problem is not for firejail to solve, then feel free to close this issue. ### Steps to Reproduce 1. Open any terminal emulator 2. Start tmux 3. Start an application with firejail (e.g. `firejail ngrok`) 4. See that the tmux window title is now labeled "firejail" as long as the application is running 5. Now do the same with other applications in other tmux windows, and you end up with many windows labeled "firejail" instead of the actual application ("ngrok"). See screenshot above. This makes it hard to find a window. ### Expected behavior 4. See that the tmux window title is now "ngrok" and not "firejail" ### Environment - Name/version/arch of the Linux kernel (`uname -srm`): Linux 6.11.0-12-generic x86_64 - Name/version of the Linux distribution (e.g. "Ubuntu 20.04" or "Arch Linux"): Ubuntu 24.10 - Version of Firejail (`firejail --version`): 0.9.72

gitea-mirror

2026-05-05 09:54:08 -06:00

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Reference: github-starred/firejail#3306

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