mirror of https://github.com/CrimsonTome/tldr.git
commit
ac75bbf85d
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@ -12,15 +12,15 @@
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- mark disk as failed
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`mdadm {{/path/to/raid_device_file}} -f {/path/to/disk_device_file{}}`
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`mdadm {{/path/to/raid_device_file}} -f {{/path/to/disk_device_file}}`
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- remove disk
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`mdadm {{/path/to/raid_device_file}} -r {/path/to/disk_device_file{}}`
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`mdadm {{/path/to/raid_device_file}} -r {{/path/to/disk_device_file}}`
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- add disk to array
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`mdadm {{/path/to/raid_device_file}} -a {/path/to/disk_device_file{}}`
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`mdadm {{/path/to/raid_device_file}} -a {{/path/to/disk_device_file}}`
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- show RAID info
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@ -0,0 +1,19 @@
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# shuf
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> generate random permutations
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- randomize the order of lines in a file and output the result
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`shuf {{filename}}`
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- only output the first n entries of the result
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`shuf -n {{n}} {{filename}}`
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- write output to another file
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`shuf -o {{another_filename}} {{filename}}`
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- generate random numbers in range
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`shuf -i {{low}}-{{high}}`
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