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content/blog/robustdd.md

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+---
+title: "Robustdd"
+date: 2019-09-27T22:45:56-04:00
+draft: false
+---
+
+This blog post is going to assume that we're writing to `/dev/sdX`. Please change this to whatever disk you're actually trying to write to. I bear no responsibility if you accidentally write to your OS drives.
+
+Make sure the disk you wish to write to is unmounted. 
+
+```bash
+sudo umount /dev/sdX
+```
+
+For good measure check `lsblk`....
+
+Then perform the writing operation
+
+```bash
+sudo dd bs=4M if=/path/to/distro.iso of=/dev/sdX conv=fdatasync status=progress
+```
+
+`fdatasync` will wait until the data is physically written into the drive before finishing.
+
+Once that operation is done we can check to see if it is performed properly. This step will only work for ISOs that have prepared a file similar to `md5sum.txt` that Ubuntu provides....
+
+```bash
+sudo mount /dev/sdX /mnt
+cd /mnt
+md5sum -c md5sum.txt
+```
+
+Hopefully you'll see all `OK` and we're good to go!