Linux Read-Only File System Error Fix

Overview

Fix "Read-only file system" error on Linux. The filesystem was remounted as read-only due to errors.

Key Details

• Error: Read-only file system
• Category: Linux Filesystem Error
• Filesystem remounted as read-only
• Cannot create, modify, or delete files

Common Causes

• Filesystem detected errors and went read-only
• Physical disk is failing
• Filesystem corruption from power loss
• Mount options set to read-only

Steps

1. 1Check mount: mount | grep " / "
2. 2Check logs: dmesg | tail -50 (look for I/O errors)
3. 3Remount rw: sudo mount -o remount,rw /
4. 4If errors persist, boot from live USB and run fsck
5. 5Check disk health: sudo smartctl -a /dev/sda

Tags

More in Linux Filesystem

Frequently Asked Questions