Differences

This shows you the differences between two versions of the page.

--- linux:notes:drive_wipe [2025/12/19 13:23] – Sean Rhone
+++ linux:notes:drive_wipe [2026/06/22 10:44] (current) – [Notes] Sean Rhone
@@ Line 6: / Line 6: @@
   * https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-XFCE-Live-x86_64-Current.iso
+  * https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-XFCE-Live-x86_64-Current.iso.sha256
   https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-XFCE-Live-x86_64-Current.iso
@@ Line 12: / Line 13: @@
   * [[linux:notes:ufs_freebsd_mount|FreeBSD UFS mount]] (from Linux LiveUSB)
-  * [[linux:notes:disk_gpt_format|Disk Format (GPT)]]
   * [[linux:notes:rsync_nas|Drive-to-drive rsync]]
+====== LiveUSB Maintenance ======
+****
+  sudo umount '/dev/sda'* | sudo dosfsck -a -w -v '/dev/sda2' && sudo e2fsck -D -E 'discard,optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda3'
 ====== Tools ======
@@ Line 82: / Line 88: @@
 <code>sudo dd if='/dev/zero' of='/dev/nvme0n1' count='1024'</code>
+===== mmcblk =====
+<code>sudo blkdiscard --force --verbose '/dev/mmcblk0'</code>
+  sudo umount '/dev/mmcblk'* || sudo wipefs -a -f '/dev/mmcblk0' && sudo blkdiscard --force --verbose '/dev/mmcblk0'
 ===== sda USB=====
@@ Line 109: / Line 121: @@
 ****
-<code>sudo blkdiscard --force --verbose '/dev/sda' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase 'x' '/dev/sda' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sda' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>
+<code>sudo blkdiscard --force --verbose '/dev/sda' && sleep '0.5' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sleep '0.5' && sudo hdparm --user-master u --security-erase 'x' '/dev/sda' && sleep '0.5' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sleep '0.5' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sda' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>
 === Individual ===
@@ Line 121: / Line 133: @@
 <code>sudo wipefs --all --force '/dev/sda'</code>
-<code>sudo dd if='/dev/zero' of='/dev/sda' count='1024'</code>
+<code>sudo dd if='/dev/zero' of='/dev/sda' count='18096'</code>
 ==== sdb ====