https://ethereum.stackexchange.com/questions/3229/geth-what-happened-to-logfile
geth 2> file
Example：
geth –dev –rpcapi “db,personal,eth,net,web3” –rpc –rpcaddr “0.0.0.0” –rpccorsdomain “*” –mine 2>eth_output.log
．Dockfile
RUN geth –dev –rpcapi “db,personal,eth,net,web3” –rpc –rpcaddr “0.0.0.0” –rpccorsdomain “*” –mine 2>eth_output.log
===========
Have console & log & mining
./geth –datadir ./node2/data/ –networkid 55555 –port 30303 –rpcapi=db,eth,net,web3,personal,web3 –rpc –rpccorsdomain=* –password password.txt –mine –minerthreads=1 –verbosity 3 console 2» /var/log/geth.log
PS：–rpccorsdomain=* or –rpccorsdomain “*” is ok, –rpcorsdomain * is bad
Have console & log & mining & unlock
https://qiita.com/hm0429/items/224d420364b36cf43e85
http://yutianx.info/2017/10/07/2017-10-07-docker-ethereum/
https://github.com/Capgemini-AIE/ethereum-docker
1、close hyper-v
https://ugetfix.com/ask/how-to-disable-hyper-v-in-windows-10/
2、install Virtualbox
3、install git
4、https://docs.docker.com/machine/install-machine/#install-machine-directly
git-bash
base=https://github.com/docker/machine/releases/download/v0.14.0 && mkdir -p “$HOME/bin” && curl -L $base/docker-machine-Windows-x86_64.exe > “$HOME/bin/docker-machine.exe” && chmod +x “$HOME/bin/docker-machine.exe”
5、
git-bash
docker-machine create –driver=virtualbox machine1
docker-machine -s d:\docker create –driver=virtualbox machine1
docker-machine list
docker-machine ssh machine1
docker run hello-world
docker-machine env machine1
https://hk.saowen.com/a/00c8a80e4a74fcf80111ba570f4db601e204c12f61e3109fec92cac8a15456ae
docker-machine -s d:\docker create --driver=virtualbox --virtualbox-memory=2048 --virtualbox-cpu-count=2 --engine-opt dns=8.8.8.8 machine_name_ooxxooxx
=====
http://sueboy.blogspot.com/2018/11/docker-machine-ssh-login-use-xshell-or.html
user: docker
id_rsa
1、geth
https://blog.fukuball.com/ethereum-%E9%96%8B%E7%99%BC%E7%AD%86%E8%A8%98-22geth-%E5%9F%BA%E7%A4%8E%E7%94%A8%E6%B3%95%E5%8F%8A%E6%9E%B6%E8%A8%AD-muti-nodes-%E7%A7%81%E6%9C%89%E9%8F%88/
2、Ganache one click blockchain
https://truffleframework.com/ganache
https://truffleframework.com/
3、MetaMask wallet
1、Authenticator
old：Authenticator: func(userId string, password string, c *gin.Context)
New：
============================
`` type login struct { Username string `form:"username" json:"username" binding:"required"` Password string `form:"password" json:"password" binding:"required"` } Authenticator: func(c *gin.Context) (interface{}, error) { var loginVals login if err := c.ShouldBind(&loginVals); err != nil { return "", jwt.ErrMissingLoginValues } userID := loginVals.Username password := loginVals.Password `` 2、authMiddleware
old：
authMiddleware := jwt.GinJWTMiddleware{
New：
authMiddleware, err := jwt.New(&jwt.GinJWTMiddleware{
