mirror of https://github.com/CrimsonTome/tldr.git
26 lines
757 B
Markdown
26 lines
757 B
Markdown
# e2undo
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> Replay undo logs for an ext2/ext3/ext4 filesystem.
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> This can be used to undo a failed operation by an e2fsprogs program.
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> More information: <https://manned.org/e2undo>.
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- Display information about a specific undo file:
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`e2undo -h {{path/to/undo_file}} {{/dev/sdXN}}`
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- Perform a dry-run and display the candidate blocks for replaying:
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`e2undo -nv {{path/to/undo_file}} {{/dev/sdXN}}`
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- Perform an undo operation:
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`e2undo {{path/to/undo_file}} {{/dev/sdXN}}`
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- Perform an undo operation and display verbose information:
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`e2undo -v {{path/to/undo_file}} {{/dev/sdXN}}`
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- Write the old contents of the block to an undo file before overwriting a file system block:
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`e2undo -z {{path/to/file.e2undo}} {{path/to/undo_file}} {{/dev/sdXN}}`
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