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--- products:software:ubios:start [2020/12/01 11:41] – Updated with old job posting description (removing fluff) riy-en
+++ products:software:ubios:start [2025/05/12 13:37] (current) – external edit 127.0.0.1
@@ Line 4: / Line 4: @@
 Technologies used: Buildroot, C, C++, various linux tools and daemons
+===== UDM Pro =====
+=== Internal Disk Layout ===
+<code>
+Units: sectors of 1 * 512 = 512 bytes
+Sector size (logical/physical): 512 bytes / 512 bytes
+I/O size (minimum/optimal): 512 bytes / 512 bytes
+Disklabel type: gpt
+Device       Start      End  Sectors  Size Type
+/dev/sdb1     2048   133119   131072   64M Linux filesystem
+/dev/sdb2   133120  2230271  2097152    1G Linux filesystem
+/dev/sdb3  2230272  4327423  2097152    1G Linux filesystem
+/dev/sdb4  4327424  4589567   262144  128M Linux filesystem
+/dev/sdb5  4589568  4655103    65536   32M Linux filesystem
+/dev/sdb6  4655104 30777310 26122207 12.5G Linux filesystem
+</code>
+=== FS details ===
+^ Partition  ^ Mount point      ^
+| /dev/sdb1  |                  |
+| /dev/sdb2  |                  |
+| /dev/sdb3  | root             |
+| /dev/sdb4  | /mnt/persistent  |
+| /dev/sdb5  |                  |
+| /dev/sdb6  | /mnt/data        |
+Swap is in a ~7G zram disk. Memory limit is set to around ~3G
+=== Boot Sequence ===
+Built upon Alpine v2 but using BusyBox for init
+== Bootloader ==
+== Kernel ==
+== Init ==
+Init process via BusyBox
+  * ''init'' process reads ''⁄etc⁄inittab'' for ''sysinit'' entires
+  * ''init'' calls ''⁄etc⁄init.d⁄rcS''
+  * ''rcS'' executes Start scripts in ''⁄etc⁄init.d'' in order
+== Startup Scripts ==
+^ File Name    ^ Description                ^
+| S95unifi-os  | Starts Unifi OS Container  |