IPFS跨域配置

1、首先安装完成之后运行
     ipfs help
出现相关提示说明运行成功
2、接着运行如下命令
      ipfs init
3、运行成功后出现如下命令运行
    ipfs cat /ipfs/QmQPeNsJPyVWPFDVHb77w8G42Fvo15z4bG2X8D2GhfbSXc/readme
4、运行如下
sysctl -w net.core.rmem_max=2500000
5、运行
ipfs daemon 启动节点

6、运行
     ipfs swarm peers | wc -l 查看连接节点数
     ipfs swarm peers


ipfs config --json API.HTTPHeaders.Access-Control-Allow-Methods '["PUT", "GET", "POST", "OPTIONS"]'
ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["*"]'
ipfs config --json API.HTTPHeaders.Access-Control-Allow-Credentials '["true"]'
ipfs config --json API.HTTPHeaders.Access-Control-Allow-Headers '["Authorization"]'
ipfs config --json API.HTTPHeaders.Access-Control-Expose-Headers '["Location"]'
ipfs config --json Addresses.API '"/ip4/0.0.0.0/tcp/5001"' 
ipfs config --json Addresses.Gateway '"/ip4/0.0.0.0/tcp/8080"'



sysctl -w net.core.rmem_max=2500000


 git clone https://hub.fastgit.org/Kubuxu/go-ipfs-swarm-key-gen.git

 ipfs bootstrap add /ip4/192.168.1.162/tcp/4001/ipfs/12D3KooWCRuDWrEzRJR1CcGhYzHgPMPF1KrdttWsCARfpb2Y8yLj

 ipfs bootstrap add /ip4/192.168.1.161/tcp/4001/ipfs/12D3KooWJTCaKhMkaqWrpMUaWY6PTNAeEyjvCEEiCLvQtWkUZeKe


wget http://192.168.1.161:8080/ipfs/QmTMMVMX45d2UwcePRphFEqAW5NhcB7a66LRveNDJyifmz

 git clone https://hub.fastgit.org/Kubuxu/go-ipfs-swarm-key-gen.git


ipfs daemon > ipfs.log &
ipfs bootstrap rm --all







#后台运行，关闭不停止
 nohup ipfs daemon

#查看节点数
 ipfs stats bitswap


echo "lll" >> hello1.txt
ipfs add hello1.txt 
ipfs cat QmZyxoXZNAgPeDDVC3jnkhuqkB8aYZeVWkpMXCQGJL1XAV


https://cloud.tencent.com/developer/article/1362604?from=15425  学习好网址
ipfs swarm peers | wc -l 查看连接节点数

git clone https://github.com/ipfs/go-ipfs.git
cd go-ipfs 
make install 
下载

# 下载
$ cd /home
$ wget https://download.fastgit.org/ipfs/go-ipfs/releases/download/v0.9.1/go-ipfs_v0.9.1_linux-amd64.tar.gz
# 解压缩
$ tar xvfz go-ipfs_v0.9.1_linux-amd64.tar.gz
# 安装
$ cd go-ipfs/
$ ./install.sh 


图片传输到ipfs节点然后将生成的ipfs访问链接存到区块链
https://learnblockchain.cn/article/3712


ipfs bootstrap add /ip4/192.168.22.136/4001/ipfs/上一步查询到的136节点ID
/ip4/192.168.1.161/tcp/4001/p2p/12D3KooWQqT2sDKk4r2yeYrz9azUP4rQRsVWm22dZAYbDv9zXF2h