Clear history of QuickTime Player on Mac OS X








  • To clear recent items, File>Open Recent>Clear Menu
  • To prevent the history from being created, run the following commands in Terminal:
    defaults write com.apple.QuickTimePlayerX NSRecentDocumentsLimit 0
    defaults delete com.apple.QuickTimePlayerX.LSSharedFileList RecentDocuments
    defaults write com.apple.QuickTimePlayerX.LSSharedFileList RecentDocuments -dict-add MaxAmount 0
    



Clear history of MplayerX for Mac








Open Terminal and type the following command:
defaults delete org.niltsh.MPlayerX.LSSharedFileList RecentDocuments
To prevent history from being created:
defaults write org.niltsh.MPlayerX NSRecentDocumentsLimit 0



Ubuntu: system wide proxy settings








  • edit /etc/bash.bashrc
    export http_proxy=http://192.168.1.100:8000/
    export https_proxy=http://192.168.1.100:8000/
    export ftp_proxy=http://192.168.1.100:8000/
    export no_proxy=localhost,127.0.0.0/8,192.168.0.0/16,*.somedomain.org,172.23.65.*