GIT_TRACE=1 GIT_TRANSFER_TRACE=1 GIT_CURL_VERBOSE=1 git clone https://github.com/github/debug-repo /tmp/debug-repo-http
GIT_TRACE=1 GIT_TRANSFER_TRACE=1 GIT_CURL_VERBOSE=1 git clone git@github.com:github/debug-repo /tmp/debug-repo-ssh
ping -c 10 github.com
traceroute github.com
curl -s -o/dev/null -w "downloadspeed: %{speed_download} | dnslookup: %{time_namelookup} | connect: %{time_connect} | appconnect: %{time_appconnect} | pretransfer: %{time_pretransfer} | starttransfer: %{time_starttransfer} | total: %{time_total} | size: %{size_download}\n" https://github.com