Operating Systems
OS's Other than Windows
Command line tools to find your Public IP
curl ifconfig.me curl ip.me
ESXi
iOS
K3S
Contains information related to the K3S and the application system
Get Statefulsets
sudo k3s kubectl get statefulsets -A | grep "ix-"
get user names and passwords for applications
Use this script in a .sh format to get application passwords #!/bin/bash # get namespacesnam...
K3S applications certificates guide
sudo k3s kubectl get challenges -n ix-appname sudo k3s kubectl describe challenge CHALLENGENAME ...
K3S Commands
k3s crictl pull <imageName> k3s kubectl get pods -n <ix-appname> k3s kubectl get pods --all-nam...
Start and Stop using HeavyScript
Start: heavyscript app -s <applicationName> Stop: heavyscript app -x <applicationName>
Linux
5 Linux commands to check free disk space
Linux df command The df command stands for "disk-free," and shows available and used disk space ...
6 tcpdump network traffic filter options
https://www.redhat.com/sysadmin/tcpdump-part-one 1. Option -D tcpdump with -D provides a list o...
DHCP on Linux
renew ip address - sudo dhclient -r
dmidecode -t memory
dmidecode -t memory Shows status of installed memory
How to Change Passwords in Linux
https://www.tomshardware.com/how-to/change-passwords-in-linux How to Change your Password in Lin...
How To Configure Firewall with UFW on Ubuntu 20.04 LTS
https://www.cyberciti.biz/faq/how-to-configure-firewall-with-ufw-on-ubuntu-20-04-lts/ How do I s...
How to Install NTP Server and Client(s) on Ubuntu 22.04 LTS
https://vitux.com/how-to-install-ntp-server-and-client-on-ubuntu/ NTP or Network Time Protoc...
How to Set Time, Timezone and Synchronize System Clock in Linux
The ‘timedatectl‘ command is a new utility for RHEL-based and Debian-based distributions. It is a...
How to Symlink a Directory in Linux
Symlink, also known as a symbolic link in Linux, creates a link to a file or a directory for easi...
LN Command - Create Links
https://linuxize.com/post/how-to-create-symbolic-links-in-linux-using-the-ln-command/ Links Type...
Sysadmins Networking Cheat Sheet
Using Cert Bot to get a Valid SSL certificate
This guide will detail how to get a valid SSL cert using certbot on Linux operating systems Cert...
Using Netplan to set a static IP address
https://www.linux.com/topic/distributions/how-use-netplan-network-configuration-tool-linux/ Ma...
Using S.M.A.R.T to check disk health
https://linuxconfig.org/how-to-check-an-hard-drive-health-from-the-command-line-using-smartctl s...
Show used disk space on Linux
sudo du -h -x -d1 /
Clean Archive Cache
Run this after doing an apt upgrade sudo apt-get clean
Expand LVM Volume
Expanding the Logical Volume Check Available Space: Before expanding, check how much free sp...
Ubuntu 20.04: How to Extend Partition (For Noobs)
https://forum.cloudron.io/topic/6086/ubuntu-20-04-how-to-extend-partition-for-noobs/2 Our Ubuntu...
Live resize root partition on Linux Server (VM)
https://www.clouvider.com/knowledge_base/live-resize-root-partition-on-linux-server/ Most virtua...
Mount SMB Share on boot
# SMB share//<SMBSharePath> <local path> cifs username=,password=,uid=,gid=,iocharset=utf8,file_m...
How to enable Swap on Linux
https://azdigi.com/blog/en/linux-server-en/linux-fundementals/how-to-enable-swap-on-linux/ Step ...
How To Check Swap Usage Size and Utilization in Linux
https://www.cyberciti.biz/faq/linux-check-swap-usage-command/ Check swap usage size and utilizat...
Mount an SMB Share in Linux
https://www.linode.com/docs/guides/linux-mount-smb-share/ Determining how to share files and dir...
MacOS
PC Upgrade - Clone HDD to SSD
Setting up Software Location: Any utility meant for cloning disks will work. I prefer Acro...
pFsense
Samba Conf
https://www.samba.org/samba/docs/current/man-html/smb.conf.5.html#SERVERSIGNING Name smb.conf —...