= 2024-05-15 =

== macOS ==

* 不確定是什麼 Other Data 非常大，縱使砍了 /User 底下的資料，還是沒辦法釋放出足夠的空間來升級 macOS
{{{
jazzwang:~$ mount 
/dev/disk1s5s1 on / (apfs, sealed, local, read-only, journaled)
devfs on /dev (devfs, local, nobrowse)
/dev/disk1s4 on /System/Volumes/VM (apfs, local, noexec, journaled, noatime, nobrowse)
/dev/disk1s2 on /System/Volumes/Preboot (apfs, local, journaled, nobrowse)
/dev/disk1s6 on /System/Volumes/Update (apfs, local, journaled, nobrowse)
/dev/disk1s1 on /System/Volumes/Data (apfs, local, journaled, nobrowse)
map auto_home on /System/Volumes/Data/home (autofs, automounted, nobrowse)
map -fstab on /System/Volumes/Data/Network/Servers (autofs, automounted, nobrowse)
jazzwang:~$ cd /System/Volumes/Data/System/Library/Caches/
jazzwang:/System/Volumes/Data/System/Library/Caches$ sudo du -sh com.apple.coresymbolicationd/
Password:
 40G	com.apple.coresymbolicationd/
jazzwang:/System/Volumes/Data/System/Library/Caches$ sudo su -
~ root# cd /System/Volumes/Data/System/Library/Caches/com.apple.coresymbolicationd/
com.apple.coresymbolicationd root# 
ISTWLAPAPPLE1909:com.apple.coresymbolicationd root# du -s *
84738896	data
ISTWLAPAPPLE1909:com.apple.coresymbolicationd root# du -sh *
 40G	data
}}}
* 參考 - 看起來是可以刪除的
  * https://apple.stackexchange.com/questions/83978/what-is-com-apple-coresymbolicationd-in-caches
  * https://discussions.apple.com/thread/7175297?sortBy=best

----

* 用指令查 macOS 硬體規格跟序號
* https://support.apple.com/en-us/102767
{{{
~$ system_profiler SPHardwareDataType
Hardware:

    Hardware Overview:

      Model Name: MacBook Air
      Model Identifier: MacBookAir7,2
      Processor Name: Dual-Core Intel Core i5
      Processor Speed: 1.8 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 3 MB
      Hyper-Threading Technology: Enabled
      Memory: 8 GB
      System Firmware Version: 430.140.3.0.0
      SMC Version (system): 2.27f2
      Serial Number (system):
      Hardware UUID: 
      Provisioning UDID: 
}}}