Created
August 15, 2017 02:11
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Find Linux Root drive and partition
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| rootdev=`findmnt --target / -o SOURCE -n` | |
| echo $rootdev | |
| rootdrivename=`lsblk -no pkname $rootdev` | |
| rootdrive="/dev/"$rootdrivename | |
| echo $rootdrive | |
| majorminor=`lsblk $rootdev -o MAJ:MIN | tail -1` | |
| echo $majorminor | |
| part_number=${majorminor#*:} | |
| echo $part_number |
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Output is:
[glennswest@gswone ~]$ ./x.sh
/dev/sda2
/dev/sda
8:2
2