https://developer.apple.com/documentation/http-live-streaming/using-apple-s-http-live-streaming-hls-tools Using Apple’s HTTP Live Streaming (HLS) Tools | Apple Developer Documentation Segment your video stream and create media playlists for successful transmission with Apple’s provided tools. developer.apple.com

/usr/libexec/java_home -V Matching Java Virtual Machines (2): 14.0.1 (x86_64) "Oracle Corporation" - "Java SE 14.0.1" /Library/Java/JavaVirtualMachines/jdk-14.0.1.jdk/Contents/Home 1.8.0_362 (x86_64) "Amazon" - "Amazon Corretto 8" /Users/OOO/Library/Java/JavaVirtualMachines/corretto-1.8.0_362/Contents/Home /Library/Java/JavaVirtualMachines/jdk-14.0.1.jdk/Contents/Home

로지텍 유니파잉 소프트웨어, Logitech Unifying Software 2023년 7월 10일 다운로드 버전(Mac OSX) https://support.logi.com/hc/ko/articles/360025297913 Unifying Software Unifying Software More support.logi.com

특수키 Command (or Cmd) ⌘ Shift ⇧ Option (or Alt) ⌥ Control (or Ctrl) ⌃ Caps Lock ⇪ Function Fn Return ↩ 한문 Option(⌥) + Return(↩) 이모티콘 Option(⌥) + Command(⌘) + T 파일/폴더 경로 복사 Command(⌘) + Option(⌥) + C Finder 하위폴더 모두 펼치기 Option(⌥) + 폴더열기 아이콘 (>) ----------

개발자도구(Xcode) 디렉토리의 경로를 출력하거나 변경 # -p --print-path : 활성화된 개발자도구의 경로를 출력 > xcode-select -p /Applications/Xcode.app/Contents/Developer # -s --switch : 활성화시킬 개발자도구의 경로 설정 > xcode-select --switch /Applications/Xcode.app/Contents/Developer xcode-select: error: --switch must be run as root (e.g. `sudo xcode-select --switch `). > sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer Pass..

# OpenSSL 이용 echo | openssl s_client -showcerts -connect {domain:port} echo | openssl s_client -showcerts -connect google.com:443 CONNECTED(00000005) depth=1 C = US, O = Google Trust Services LLC, CN = GTS CA 1C3 verify return:1 depth=0 CN = *.google.com verify return:1 --- Certificate chain 0 s:CN = *.google.com i:C = US, O = Google Trust Services LLC, CN = GTS CA 1C3 -----BEGIN CERTIFICATE----..