richardevs

Keybase proof

I hereby claim:

• I am richardevs on github.
• I am r4ds (https://keybase.io/r4ds) on keybase.
• I have a public key whose fingerprint is 330C DE83 C333 7CEA DA44 CE70 BB18 0B94 15CD C81B

To claim this, I am signing this object:

richardevs

export LE_WORKING_DIR="/root/.acme.sh"
alias acme.sh="/root/.acme.sh/acme.sh"

[ -d /root/acme_logs ] || mkdir /root/acme_logs

for i in $(/root/.acme.sh/acme.sh --list | sed 1d | awk '{print $1}'); do
    touch /root/acme_logs/$i.$(date +%Y%m%d)
    # If you do not have ecc certificate, remove the "--ecc" option below
    /root/.acme.sh/acme.sh --renew -d $i --ecc >> /root/acme_logs/$i.$(date +%Y%m%d)
done

richardevs

#!/bin/bash
## ScriptName: CentOS7_YUM_UPDATE_IPv6_ENABLE_BBR

set -x

main_script() {
  yum clean all
  yum -y install yum-plugin-fastestmirror
  yum -y update

richardevs

import base64

def base64_decode(strg):
	res = base64.urlsafe_b64decode(strg + '=' * (-len(strg) % 4))
	print(str(res.decode('utf-8')))
	print("")

while True:
	strg = input()
	if strg == "exit":

richardevs

Keybase proof

I hereby claim:

• I am richardevs on github.
• I am r4ds (https://keybase.io/r4ds) on keybase.
• I have a public key whose fingerprint is 8C09 5E60 0D83 C696 586E 0BAA F41C 815A CDD2 2938

To claim this, I am signing this object:

richardevs

# run all these on the bastion vm
# iptables can not directly route traffic to public ip ( in my test )
# so I insert a socat here to help get the job done

iptables -t nat -F # flush all the current NAT rule ( be careful )
iptables -t nat -A PREROUTING -s 1.1.1.1 -p tcp --dport 443 -j DNAT --to-destination :4433 # all traffic to port 443 from 1.1.1.1 get routed to port 4433
iptables -t nat -A POSTROUTING -j MASQUERADE # let iptables do the NAT work
iptables -t nat -nL # double check if iptables are correctly showing the rules

nohup socat TCP4-LISTEN:4433,reuseaddr,fork TCP4:2.2.2.2:443 & # use socat to forward traffic to final destination, in the demo here, 2.2.2.2:443

richardevs

'''
Quick Python script to extract my Uber Eats' fee from my banking CSV exports
'''

import csv
import glob

'''
List all csv files under current directory
'''