• system info
• system
  • setup hostname
  • disable guest user
  • enable root user
  • system integrity protection
  • disable/enable gatekeeper
• apps
  • java
• xcode
  • downlaod xcode by wget
  • developer tools
  • appendix
  • accpet license from cmd
  • commandline tools and compoents
  • enable dev mode
  • troubleshooting
• security
  • backup security

system info

• production version

  [!NOTE] issue in fetchScreen

  $ sw_vers
  ProductName    : macOS
  ProductVersion : 11.1
  BuildVersion   : 20C69
  

  • or

    $ /usr/libexec/PlistBuddy -c "Print:ProductName" \
      ->                         -c "Print:ProductVersion" \
      ->                         -c "Print:ProductBuildVersion" /System/Library/CoreServices/SystemVersion.plist
    macOS
    11.0.1
    20B29
    

• hardware

  $ /usr/sbin/system_profiler SPHardwareDataType
  Hardware:
  
      Hardware Overview:
  
        Model Name: MacBook Pro
        Model Identifier: MacBookPro15,1
        Processor Name: 6-Core Intel Core i7
        Processor Speed: 2.2 GHz
        Number of Processors: 1
        Total Number of Cores: 6
        L2 Cache (per Core): 256 KB
        L3 Cache: 9 MB
        Hyper-Threading Technology: Enabled
        Memory: 16 GB
        Boot ROM Version: 1037.0.78.0.0 (iBridge: 17.16.10572.0.0,0)
        Serial Number (system): C02XFGWEJG5H
        Hardware UUID: 4EA008BF-9B36-5F1D-9151-AD4F64808AAB
        Activation Lock Status: Enabled
  
  $ system_profiler SPCameraDataType
  Camera:
  
      FaceTime HD Camera (Built-in):
  
        Model ID: UVC Camera VendorID_1452 ProductID_34068
        Unique ID: 0x8020000005ac8514
  

• grahics & display

  $ system_profiler SPDisplaysDataType
  Graphics/Displays:
  
      Intel UHD Graphics 630:
  
        Chipset Model: Intel UHD Graphics 630
        Type: GPU
        Bus: Built-In
        VRAM (Dynamic, Max): 1536 MB
        Vendor: Intel
        Device ID: 0x3e**
        Revision ID: 0x00**
        Automatic Graphics Switching: Supported
        gMux Version: 5.0.0
        Metal Family: Supported, Metal GPUFamily macOS 2
        Displays:
          Color LCD:
            Display Type: Built-In Retina LCD
            Resolution: 3072 x 1920 Retina
            Framebuffer Depth: 24-Bit Color (ARGB8888)
            Main Display: Yes
            Mirror: Off
            Online: Yes
            Automatically Adjust Brightness: Yes
            Connection Type: Internal
  
      AMD Radeon Pro 5500M:
  
        Chipset Model: AMD Radeon Pro 5500M
        Type: GPU
        Bus: PCIe
        PCIe Lane Width: x8
        VRAM (Total): 8 GB
        Vendor: AMD (0x1002)
        Device ID: 0x73**
        Revision ID: 0x00**
        ROM Revision: 113-******-***
        VBIOS Version: 113-********-***
        Option ROM Version: 113-********-***
        EFI Driver Version: 01.A1.190
        Automatic Graphics Switching: Supported
        gMux Version: 5.0.0
        Metal Family: Supported, Metal GPUFamily macOS 2
  

• cpu

  $ sysctl -n machdep.cpu.brand_string
  Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
  

  • or

    $ sysctl machdep.cpu
    machdep.cpu.max_basic: 22
    machdep.cpu.max_ext: 2147483656
    machdep.cpu.vendor: GenuineIntel
    machdep.cpu.brand_string: Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
    machdep.cpu.family: 6
    machdep.cpu.model: 158
    machdep.cpu.extmodel: 9
    ...
    

system

setup hostname

$ HNAME='iMarsloPro'
$ sudo scutil --set HostName "${HNAME}"
$ sudo scutil --set LocalHostName "${HNAME}"
# Optional
$ sudo scutil --set ComputerName "${HNAME}"
# Flush the DNS Cache
$ dscacheutil -flushcache
$ sudo shutdown -r now

• or

  $ HNAME='iMarsloPro'
  $ sudo /usr/libexec/PlistBuddy -c "Add :ProgramArguments: string --no-namechange" /System/Library/LaunchDaemons/com.apple.discoveryd.plist
  $ sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.discoveryd.plist
  $ sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.discoveryd.plist
  
  $ sudo scutil --set ComputerName "${HNAME}"
  $ sudo scutil --set HostName "${HNAME}"
  $ sudo scutil --set LocalHostName "${HNAME}"
  $ hostname -f
  iMarsloPro
  

disable guest user

$ sudo dscl . delete /Users/Guest
$ sudo defaults write /Library/Preferences/com.apple.AppleFileServer guestAccess -bool NO
$ sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server AllowGuestAccess -bool NO
$ sudo defaults write /Library/Preferences/com.apple.loginwindow GuestEnabled -bool FALSE

# remove Other
$ sudo defaults write /Library/Preferences/com.apple.loginwindow SHOWOTHERUSERS_MANAGED -bool FALSE

• or

  $ sudo /usr/sbin/sysadminctl -deleteUse Guest
  

• check status

  $ sysadminctl -guestAccount status
  2020-12-30 20:27:59.524 sysadminctl[45327:844298] Guest account disabled.
  $ sudo sysadminctl -guestAccount off
  2020-12-30 20:28:39.645 sysadminctl[45479:846930] Guest account is already disabled
  

• list all accounts

  [!TIP] location of plists: /var/db/dslocal/nodes/Default/users

  $ dscl . list /Users
  
  # or
  $ dscl . -list /Users GeneratedUID
  

  

  • or

    $ dscacheutil -q user
    

create Guest and enable

[!NOTE] scripts: https://github.com/sheagcraig/guestAccount/blob/master/guest_account

$ dscl . -create /Users/Guest

# keychain
$ keychain='/Users/Guest/Library/Keychains/login.keychain'
$ security create-keychain -p '' $keychain
$ security login-keychain -s $keychain

enable root user

system integrity protection

$ csrutil disable
Successfully disabled System Integrity Protection. Please restart the machine for the changes to take effect.
$ csrutil clear
Successfully cleared System Integrity Proteciton. Please restart the machine for the changes to take effect.
$ sudo chflags restricted /usr/local

turn off the Rootless System Integrity Protection

$ csrutil status
System Integrity Protection status: enabled.

$ sudo csrutil disable
csrutil: failed to modify system integrity configuration. This tool needs to be executed from the Recovery OS

• reboot and command + r

• go to Utilities -> Terminal

  

• disable

  -bash-3.2# csrutil status
   System Integrity Protection status: enabled
   -bash-3.2# csrutil disable
   Successfully disabled System Integrity Protection. Please restart the machine for the changes to take effect.
  

remove file lock (uchg) flag

$ chflags -R nouchg *
# or
$ chflags -R nouchg <PATH of folder>

• example

  $ find /usr -flags +sunlnk -print
  /usr/libexec/cups
  find: /usr/sbin/authserver: Permission denied
  /usr/local
  /usr/share/man
  /usr/share/snmp
  
  $ /bin/ls -lO /usr
  total 0
  drwxr-xr-x  976 root  wheel  restricted 31232 Oct 28 19:17 bin/
  drwxr-xr-x  292 root  wheel  restricted  9344 Oct 28 10:04 lib/
  drwxr-xr-x  234 root  wheel  restricted  7488 Oct 28 19:17 libexec/
  drwxr-xr-x   16 root  wheel  sunlnk       512 Oct 28 19:26 local/
  drwxr-xr-x  246 root  wheel  restricted  7872 Oct 28 09:55 sbin/
  drwxr-xr-x   46 root  wheel  restricted  1472 Oct 28 09:55 share/
  drwxr-xr-x    5 root  wheel  restricted   160 Oct  3 13:48 standalone/
  
  $ csrutil status
  System Integrity Protection status: enabled.
  
  $ sudo csrutil disable
  csrutil: failed to modify system integrity configuration. This tool needs to be executed from the Recovery OS
  
  $ cat /System/Library/Sandbox/rootless.conf
  $ /bin/ls -lO /Applications | grep firefox
  22:drwxr-xr-x   3 marslo  staff  -           96 Dec  7 03:14 Firefox.app
  $ sudo chflags restricted Firefox.app
  $ /bin/ls -lO /Applications | grep firefox
  drwxr-xr-x   3 marslo  staff  restricted  96 Dec  7 03:14 Firefox.app
  

disable/enable gatekeeper

• disable

  $ sudo spctl --master-disable
  

  

• enable

  $ sudo spctl  --master-enable
  

• check status

  $ spctl --status
  assessments disabled
  

apps

java

• setup java home

  $ /usr/libexec/java_home -v 1.8.0.162 -exec javac -versioin
  

xcode

downlaod xcode by wget

• get cookies.txt

  • install google chrome extension from official website
  • login developer.apple.com
  • select cookies.txt and download

  

• get xcode download url and right click and select Copy Link Address:

  

• download xcode (inspired from here and here)

  $ wget --cookies=on \
         --load-cookies=cookies.txt \
         --keep-session-cookies \
         --save-cookies=cookies.txt \
         https://download.developer.apple.com/Developer_Tools/Xcode_11.2_beta_2/Xcode_11.2_beta_2.xip
  

  • exmaple

    $ wget --cookies=on \
    >          --load-cookies=cookies.txt \
    >          --keep-session-cookies \
    >          --save-cookies=cookies.txt \
    >          https://download.developer.apple.com/Developer_Tools/Xcode_11.2_beta_2/Xcode_11.2_beta_2.xip
    --2019-10-15 07:55:18--  https://download.developer.apple.com/Developer_Tools/Xcode_11.2_beta_2/Xcode_11.2_beta_2.xip
    Resolving download.developer.apple.com (download.developer.apple.com)... 17.253.17.207, 17.253.17.211
    Connecting to download.developer.apple.com (download.developer.apple.com)|17.253.17.207|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 7805079698 (7.3G) [application/octet-stream]
    Saving to: ‘Xcode_11.2_beta_2.xip’
    
    100%[===========================================================================================================>] 7,805,079,698  112MB/s   in 70s
    
    2019-10-15 07:53:07 (106 MB/s) - ‘Xcode_11.2_beta_2.xip’ saved [7805079698/7805079698]
    
    $ ls -altrh Xcode_11.2_beta_2.xip
    -rw-rw-r-- 1 devops devops 7.3G Oct  9 13:27 Xcode_11.2_beta_2.xip
    

developer tools

[!NOTE]

• Install Ansible on Mac OSX

$ pkgutil --pkg-info=com.apple.pkg.CLTools_Executables

• already installed

  $ pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
  package-id: com.apple.pkg.CLTools_Executables
  version: 14.3.1.0.1.1683849156
  volume: /
  location: /
  install-time: 1688011857
  

• not been installed

  $ pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
  No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.
  

appendix

xcode

command line tool

additional tools

• additional info

accpet license from cmd

$ sudo xcodebuild -license accept

commandline tools and compoents

• installation

  $ xcode-select -p
  
  $ for pkg in /Applications/Xcode.app/Contents/Resources/Packages/*.pkg; do
      sudo installer -pkg "$pkg" -target /;
  done
  

• upgrade

  $ softwareupdate --all --install --force
  
  # or
  $ sudo rm -rf /Library/Developer/CommandLineTools
  $ sudo xcode-select --install
  

  more details

  $ defaults read /Library/Preferences/com.apple.SoftwareUpdate
  {
      AutomaticallyInstallMacOSUpdates = 1;
      LastAttemptBuildVersion = "10.15.7 (19H2)";
      LastAttemptSystemVersion = "10.15.7 (19H2)";
      LastBackgroundSuccessfulDate = "2020-10-10 06:15:40 +0000";
      LastCatalogChangeDate = "2020-10-10 14:13:29 +0000";
      LastFullSuccessfulDate = "2020-10-10 14:14:38 +0000";
      LastRecommendedMajorOSBundleIdentifier = "";
      LastRecommendedUpdatesAvailable = 0;
      LastResultCode = 2;
      LastSessionSuccessful = 1;
      LastSuccessfulDate = "2020-10-10 14:14:38 +0000";
      LastUpdatesAvailable = 0;
      PrimaryLanguages =     (
          "en-CN",
          en
      );
      RecommendedUpdates =     (
      );
      SkipLocalCDN = 0;
  }
  

enable dev mode

$ DevToolsSecurity -enable

troubleshooting

xcode-select: error: tool 'xcodebuild' requires Xcode

$ sudo xcode-select -s /Library/Developer/CommandLineTools
$ xcodebuild -version
xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance

$ sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
$ xcodebuild -version
Xcode 15.2
Build version 15C500b

security

backup security

[!NOTE|label:references:]

• How to make Python use CA certificates from Mac OS TrustStore?

• export

  $ security export -t certs -f pemseq -k /System/Library/Keychains/SystemRootCertificates.keychain -o bundleCA.pem
  $ security export -t certs -f pemseq -k /Library/Keychains/System.keychain -o selfSignedCAbundle.pem
  

• merge

  $ cat bundleCA.pem selfSignedCAbundle.pem >> allCAbundle.pem
  $ export REQUESTS_CA_BUNDLE=/path/to/allCAbundle.pem