apt-get action via http proxy 2017-09-15 hw-1 apt-get action via http proxy12sudo apt-get -o Acquire::http::proxy="http://127.0.0.1:8118" updatesudo apt-get -o Acquire::socks::proxy="socks://127.0.0.1:7070" update Code Signing Error: XXX does not support provisioning profiles. XXX does not support provisioning profiles, but provisioning profile NO_SIGNING/ has been manually specified. Set the provisioning profile value to “Automatic” in the build settings editor. How do you use posix_spawn to replace the deprecated ‘system’ to launch opendiff in Objective-C?