neontorrent

apt update
apt install tinyproxy
echo 'BasicAuth myuser mypassword
Allow 0.0.0.0' >> /etc/tinyproxy/tinyproxy.conf
systemctl enable tinyproxy
systemctl restart tinyproxy
systemctl status tinyproxy

FILELIST=$(curl -sL https://github.com/shadowsocks/shadowsocks-rust/releases/download/v1.22.0/shadowsocks-v1.22.0.x86_64-unknown-linux-gnu.tar.xz | tar xvJ -C /tmp)
echo "To uninstall, remove these file under /usr/bin:

neontorrent

sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/CentOS-*.repo
sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/CentOS-*.repo
sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/CentOS-*.repo

neontorrent

# install dependencies
yum install epel-release -y
yum install gcc gettext autoconf libtool automake make pcre-devel asciidoc xmlto udns-devel libev-devel -y
yum config-manager --set-enabled PowerTools
yum update

yum install tinyproxy -y
#vi /etc/tinyproxy/tinyproxy.conf
echo 'BasicAuth myuser mypassword
Allow 0.0.0.0' >> /etc/tinyproxy/tinyproxy.conf

neontorrent

## Netcat server command 
nc -l -p <unused port # > /dev/null
eg:
  nc -l -p 1122 > /dev/null

## Netcat Client command 
dd if=/dev/zero bs=100M count=1 | nc <netcat server> <netcat port>
eg:
  dd if=/dev/zero bs=100M count=1 | nc 10.0.1.251 1122

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awk 'NR==FNR{a[$0]=1;next}!a[$0]' B A
# or better memory usage:
awk 'NR==FNR{a[$0];next} !($0 in a)' B A

grep -Fvx -f B.txt A.txt

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inside: 

~/Library/Preferences/com.apple.LaunchServices/com.apple.launchservices.secure.plist

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EXECFILE="$(readlink "$0" || echo "$0")"
EXECPATH="$( cd -- "$(dirname "$EXECFILE")" >/dev/null 2>&1 ; pwd -P )"
cd "$EXECPATH"

neontorrent

In /etc/ssh/sshd_config

IPQoS cs0 cs0

In /etc/fstab

UUID=XXXX   /media/pi/Data  auto    rw,user,auto 0       0

```
sudo setfacl -b /media/pi

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#!/bin/sh

# Pump
sudo pmset -a disablesleep 1
sudo pmset -a sleep 0
caffeinate -di

#Sleep
kill `ps -ef | grep caffeinate | grep -v grep | awk '{print $3}'`
sudo pmset -a disablesleep 0

neontorrent

def permutationRecursion(a: List[Int]) = {
  import scala.collection.mutable
  val results = mutable.ListBuffer[List[Int]]()
  
  def p(curr: List[Int], remaining: List[Int]): Unit = {
     if (remaining.isEmpty) {
       results += curr
     }
     else {
      for (i <- remaining) {