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# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \

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Option 1 - Use This Bitcoin Fast Sync Command

There is no torrent which would be faster than just using the Bitcoin network "hive" - which is huge. There may be a way to sync using local or low-latency nodes nearby, but any time you specify which nodes you sync from - it introduces risk.

Very good to have a fast CPU and lots of RAM, SSD is not as important as RAM.

With this command I was able to download the entire blockchain and create all indices in almost exactly 24 hours:

bitcoind --datadir=<path-to-external-ssd> -blockfilterindex=1 -txindex=1 -coinstatsindex=1 -dbcache=16384 -daemon If you have 32GB of RAM, you can use 32768 for dbcache

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Override Order

host > stage > group > all > defaults

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rpcuser=$1
rpcpass=$2
url=$3 #should be http://localhost:8332 for mainnet or http://localhost:38332 for signet 
curl --user $rpcuser:$rpcpass --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getblockchaininfo", "params": []}' -H 'content-type: text/plain;' $URL

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# Install docker repo and setup docker on ubuntu / debian with `docker compose` plugin
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \

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This is how you can use a config.d directory in your ssh config so that you will have versatility, portability, and customization of your ssh env and commands to connect to servers using simple shortcuts from VS Code and Terminal. Manage multiple identities, keys, servers, everything.

example: ssh prototype or ssh user1@prototype

1. Make sure you have a .ssh dir with permissions 755 for the dir
2. Create an SSH key and give it permissions 600
3. Make an ssh config file by typing nano ~/.ssh/config and put in the line Include config.d/* hit cntrl + x then y when you're done editing
4. Create a config.d directory mkdir ~/.ssh/config.d
5. In there, you can add in ssh config files for various projects - for exmaple, personal or work
6. Let's create one for work cd ~/.ssh/config.d && nano work

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global
  log /dev/log  local0
  log /dev/log  local1 notice
  chroot /var/lib/haproxy
  stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners
  stats timeout 30s
  user haproxy
  group haproxy
  daemon
  maxconn 4096

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Steps to get eosio.wrap working:

Generated a JSON of all producers and their perms - alphabetized:

[
    {
        "actor": "amsterdam",
        "permission": "active"
    },
    {

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There are 2 parts - a filter and a jail config:

nginx-access-erriez.conf

[Definition]
#^<HOST> .*"\\x.*"$
failregex = ^<HOST>.*"CONNECT leakix.*"$
#            ^<HOST>.*"HTTP.*"$
            ^<HOST>.*"MGLNDD.*"$

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#!/bin/bash
# may need to specify a diff path to syslog if you want older log files
cat /var/log/syslog | grep kernel | rev | cut -d"]" -f1  | rev | awk '{ print $3, $4, $5, $8 }' | grep '^[0-9].*[a-zA-Z]' | perl -MData::Dumper -p -e 'BEGIN { $db = {}; } ($total_vm, $rss, $pgtables_bytes, $name) = split; $db->{$name}->{total_vm} += $total_vm; $db->{$name}->{rss} += $rss; $db->{$name}->{pgtables_bytes} += $pgtables_bytes; $_=undef; END { map { printf("%.1fG %s\n", ($db->{$_}->{rss} * 4096)/(1024*1024*1024), $_) } sort { $db->{$a}->{rss} <=> $db->{$b}->{rss} } keys %{$db}; }' | tail -n 10 | tac