IPv4 Subnet Calculator

February 14, 2021

I built an IPv4 subnet calculator:

https://gdonald.github.io/ipv4-sn/

calculator (1) subnet (1) ipv4 (1)

Console::Blackjack

January 23, 2021

Console Blackjack for Raku.

• Github Repo
• Latest Release
• Report Issues
• LICENSE

Current Version: v1.0.6

Install using zef:

zef install Console::Blackjack

raku (17) blackjack (13) console (10)

RetroPie Arcade

January 19, 2021

I built a RetroPie arcade machine. I didn't record video, but I did take a few pictures along the way.

raspberry-pi (2) arcade (1) retropi (1)

Apache Bench load testing

January 17, 2021

#!bash

N=100
C=15
AB=/usr/sbin/ab
URL=https://yahoo.com/

$AB -n $N -c $C $URL

test (1) apache (1)

Factorio on systemd

January 17, 2021

# adduser factorio
# systemctl enable factorio.service
# service factorio start

# /etc/systemd/system/factorio.service
[Unit]
Description=Factorio Server

[Service]
Type=simple
User=factorio
ExecStart=/factorio/bin/x64/factorio --start-server-load-latest --server-settings /factorio/data/server-settings.json
WorkingDirectory=/factorio
Restart=on-failure
KillSignal=SIGINT

[Install]
WantedBy=multi-user.target

linux (8) factorio (2) systemd (1)

Generate new Factorio map

January 17, 2021

#!bash

su -

service factorio stop

cd /factorio

bin/x64/factorio --create saves/my-save.zip \
                 --map-gen-settings data/map-gen-settings.json \
                 --map-settings data/map-settings.json
                 
chown -R factorio:factorio /factorio

service factorio start

linux (8) factorio (2)

Cisco CCNA Study :: Home Lab Notes

December 20, 2020

####################################################################

# R1
# Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.7(3)M5, RELEASE SOFTWARE (fc1)

# Factory reset

reload

# In minicom, hit: Ctrl A, F

confreg 0x2142  # skip loading startup-config
reset

lab (1) home (1) ccna (1) cisco (1)

Install and setup snmpd on RedHat Enterprise Linux

June 6, 2020

I wanted to access a RHEL machine from Cacti, so I needed to install and configure net-snmp on there first.

yum install net-snmp

After installing net-snmp the snmpd.conf needs to be configured:

vi /etc/snmp/snmpd.conf

snmpd (1) rhel (1) cacti (1)