ethicnology

ufw

sudo bash << EOF
ufw --force reset
ufw default deny incoming
ufw default deny outgoing
ufw limit 22                  # ssh
ufw allow out 53              # dns
ufw allow out 80 # http

ethicnology

```
mdadm --detail /dev/mdX
```

```
mdadm --stop /dev/mdX
```

```
mdadm --assemble --force /dev/mdX /dev/sda /dev/sdb /dev/sdc /dev/sdd

ethicnology

#!/bin/bash
sudo apt install git
cd
git clone https://github.com/ElementsProject/elements.git

sudo apt-get update
sudo apt-get install build-essential libtool autotools-dev autoconf pkg-config libssl-dev
sudo apt-get install libboost-all-dev
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler imagemagick librsvg2-bin
sudo apt-get install libqrencode-dev autoconf openssl libssl-dev libevent-dev

ethicnology

gnuplot

plot multiple files

plot for [i=0:5] 'degree_distribution_step:'.i.'_delta:5' title 'Degree step '.i ps 2

ps=point size

plot file to gif/png/svg script

ethicnology

#!/bin/bash
echo Setup bitcoin full node.
echo Specify bitcoin version, e.g. 22.0: 
read version
echo Install bitcoin-core version $version
#Download bitcoin-core:
wget https://bitcoincore.org/bin/bitcoin-core-$version/bitcoin-$version-x86_64-linux-gnu.tar.gz
#Download the list of cryptographic checksums:
wget https://bitcoincore.org/bin/bitcoin-core-$version/SHA256SUMS
#Download the signatures attesting to validity of the checksums:

ethicnology

# inspired by https://selivan.github.io/2020/02/25/removing-bloatware-from-xiaomi-miui-android.html
pm uninstall --user 0 com.xiaomi.mipicks #GetApps - app store like Google Play from Xiaomi. The most annoying one, periodically shows advertisement.
pm uninstall --user 0 com.miui.msa.global #MIUI Ad Services - also responsible for showing ads.
pm uninstall --user 0 com.miui.cloudservice #Cloud
pm uninstall --user 0 com.miui.cloudbackup #Cloud Backup
pm uninstall --user 0 com.xiaomi.glgm #Games
pm uninstall --user 0 com.xiaomi.payment #Mi Credit
pm uninstall --user 0 cn.wps.xiaomi.abroad.lite #Mi DocViewer(Powered by WPS Office)
pm uninstall --user 0 com.xiaomi.midrop #Mi ShareMe
pm uninstall --user 0 com.miui.yellowpage #Mi YellowPages

ethicnology

/*
 *		 __________________________________________________________________________________________________________________
 *		|														   |															                                                           |
 *		|  ________  ___       ________  ________  ___  __    ___  ___  ___        ___  ________  ________  ___  __        |
 *		| |\   __  \|\  \     |\   __  \|\   ____\|\  \|\  \ |\  \|\  \|\  \      |\  \|\   __  \|\   ____\|\  \|\  \      |
 *		| \ \  \|\ /\ \  \    \ \  \|\  \ \  \___|\ \  \/  /|\ \  \\\  \ \  \     \ \  \ \  \|\  \ \  \___|\ \  \/  /|_    |
 *		|  \ \   __  \ \  \    \ \   __  \ \  \    \ \   ___  \ \   __  \ \  \  __ \ \  \ \   __  \ \  \    \ \   ___  \   |
 *		|   \ \  \|\  \ \  \____\ \  \ \  \ \  \____\ \  \\ \  \ \  \ \  \ \  \|\  \\_\  \ \  \ \  \ \  \____\ \  \\ \  \  |
 *		|    \ \_______\ \_______\ \__\ \__\ \_______\ \__\\ \__\ \__\ \__\ \__\ \________\ \__\ \__\ \_______\ \__\\ \__\ |
 *		|     \|_______|\|_______|\|__|\|__|\|_______|\|__| \|__|\|__|\|__|\|__|