Resume Ubuntu Normal Boot Live CD/USB File System Repair Once the file system check and repair is complete, direct your system to resume normal boot. Choose Yes when asked whether to remount your OS root file system. Select Recovery Mode and choose the fsck option from the resulting list of menu options. Restart your machine, press or and select Advanced Options on the resulting boot menu. In this case, we have the options of using a live CD/bootable usb drive or checking and repairing the Linux file system on boot (For installed Linux systems). On a running machine, it is not possible to simultaneously check and repair your Linux file system while using the OS. The final step is to re-mount your device once the fsck file system check and repair is complete.

The -p command option is for automatic repair without any user intervention. The third step is to check and possibly repair the device’s file system using FSCK. The second step is to unmount the device whose file system you want to check and repair. The first step is to identify the device partition that holds the Linux file system you would like to check and repair. It is not recommended to use the fsck command with mounted partitions as there is a high likelihood of permanent file system damage. The column for the (/) and (ext4) is set to 1 because its file system checks and repair are prioritized. It references the /etc/fstab file when a user does not provide as a command argument.You need to be a sudoer user or have sudo privileges to effectively use the FSCK tool. The standard syntax for fsck command-line utility is as follows: # fsck Most of the time, it is these corrupt files that are responsible for failed system boots and partition mounts. It is a prepackaged file system check toolkit that interactively checks and repairs corrupted files that might affect the performance of your operating system. The Linux operating system handles file system issues through the fsck command-line utility. It is because this file system is responsible for the performance consistency of your Linux operating system and any slight modification to its hierarchy or file system structure can be a nightmare for any user. The Linux file system is a maze that most users hesitate to enter. The user impact of such challenges depends on the operating system flavor or distribution you are under.įor Linux users, you might think you are facing an impossible challenge only to realize that there are multiple valid solutions for every single OS problem faced. An operating system user that is still a learner in the OS world can never escape the challenges the current elite users have overcome.

Check for corrupted files linux