How to Fix ‘Failed to connect to system scope bus’ Error in Linux

Posted by linuxer on Sep 7, 2025 4:17 PM CST
linuxconfig.org; By Lubos Rendek
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When working with systemd commands like hostnamectl, timedatectl, or systemctl, you might encounter the error message “Failed to connect to system scope bus via local transport: No such file or directory”. This error indicates that systemd cannot communicate with the D-Bus system message bus, which is essential for inter-process communication in modern Linux systems. This tutorial will guide you through diagnosing and resolving this issue on Debian-based systems, though the concepts apply to other distributions as well.

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