install ethereum -> Client go & ethconsole set up and running

migration scripts not working, manually remove port

sudo rm -rf /opt/local \

>     /Applications/DarwinPorts \

>     /Applications/MacPorts \

>     /Library/LaunchDaemons/org.macports.* \

>     /Library/Receipts/DarwinPorts*.pkg \

>     /Library/Receipts/MacPorts*.pkg \

>     /Library/StartupItems/DarwinPortsStartup \

>     /Library/Tcl/darwinports1.0 \

>     /Library/Tcl/macports1.0 \

>     ~/.macports

reinstal homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

 /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

for install 

npm install -g ethereum-console

ethconsole

gyp ERR! configure error 

gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/ethereum-console/node_modules/scrypt/build'

gyp ERR! System Darwin 17.6.0

gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"

gyp ERR! cwd /usr/local/lib/node_modules/ethereum-console/node_modules/scrypt

gyp ERR! node -v v8.11.3

gyp ERR! node-gyp -v v3.7.0

gyp ERR! not ok 

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! scrypt@6.0.3 install: `node-gyp rebuild`

npm ERR! Exit status 1

npm ERR! 

npm ERR! Failed at the scrypt@6.0.3 install script.

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:

npm ERR!     /Users/jing/.npm/_logs/2018-08-15T04_11_21_497Z-debug.log

sudo npm install -g ethereum-console --unsafe-perm=true --allow-root

got:

   except ImportError as e:

                        ^

SyntaxError: invalid syntax

gyp ERR! configure error 

gyp ERR! stack Error: `gyp` failed with exit code: 1

gyp ERR! stack     at ChildProcess.onCpExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:345:16)

gyp ERR! stack     at emitTwo (events.js:126:13)

gyp ERR! stack     at ChildProcess.emit (events.js:214:7)

gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:198:12)

gyp ERR! System Darwin 17.6.0

gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"

gyp ERR! cwd /usr/local/lib/node_modules/ethereum-console/node_modules/scrypt

gyp ERR! node -v v8.11.3

gyp ERR! node-gyp -v v3.7.0

gyp ERR! not ok 

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! scrypt@6.0.3 install: `node-gyp rebuild`

npm ERR! Exit status 1

cd '' && '/usr/bin/pythonw'  '<your script here>'  && echo Exit status: $? && exit 1

force linked to python3.7

brew link --overwrite python

python3 failed

gyp ERR! configure error 

gyp ERR! stack Error: Python executable "/usr/local/bin/python" is v3.7.0, which is not supported by gyp.

brew install python2 && cp /usr/local/bin/python2 /usr/local/bin/python

and  use the other terminal, it will work

brew install python2 && cp /usr/local/bin/python2 /usr/local/bin/python

sudo npm install -g ethereum-console --unsafe-perm=true --allow-root

then finished

ethconsole

ETHEREUM CONSOLE

Connecting to node at /Users/jing/Library/Ethereum/geth.ipc

ERROR

Error: CONNECTION ERROR: Couldn't connect to node on IPC.

Exit due to error.

brew tap ethereum/ethereum

brew install cpp-ethereum

brew linkapps cpp-ethereum

https://github.com/ethereum/homebrew-ethereum