banjin

# Ubuntu
sudo apt-get -y install git gcc make libpcap-dev
git clone https://github.com/robertdavidgraham/masscan
cd masscan/
make
sudo make install

banjin

忽略抛出的异常：

常用的写法：

try:
    os.remove('somefile.tmp')
except OSError:
    pass
   
   

banjin

  1 [user]
  2     email = ''
  3     name = ''
  4     emal = ''
  5 [core]
  6     excludesfile = ~/.gitignore_global
  7 [difftool "sourcetree"]
  8     cmd = opendiff \"$LOCAL\" \"$REMOTE\"
  9     path =

banjin

所有的操作都是在root权限下进行

硬件环境

    一台master
      内存: 14G
      操作系统 ubuntu 16.04 xenial
      硬盘: 500G

banjin

1. 卸载Cloudera-Manager


sudo /usr/share/cmf/uninstall-cloudera-manager.sh 一直选择Yes 就好

卸载完成后，它会问你是否要将database里的数据清理，选择Yes

2. 如果没有uninstall-cloudera-manager.sh

banjin

 
    upstream back_server{
        ip_hash;
        server 127.0.0.1:8000;
    }
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

banjin

#!/bin/sh

# install PPA
sudo add-apt-repository ppa:deadsnakes/ppa

# update and install
sudo apt update
sudo apt install python3.8 python3.8-dev python3.8-venv

# setup alternatives