ostechnix

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   dpkg-repo-query.sh
# Description:   Checks the availability of a package in official 
#                Debian and Ubuntu repositories via their websites.
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         chmod +x dpkg-repo-query.sh
#                ./dpkg-repo-query.sh

ostechnix

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

ostechnix

Useful Pandas Snippets

A personal diary of DataFrame munging over the years.

Data Types and Conversion

Convert Series datatype to numeric (will error if column has non-numeric values)
(h/t @makmanalp)

ostechnix

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   nmcli_remote_ip_changer.sh
# Description:   A Bash Script to Assign IP Address to a 
#                Remote Linux System via SSH using nmcli Command.
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         chmod +x nmcli_remote_ip_changer.sh
#                ./nmcli_remote_ip_changer.sh

ostechnix

import os
from collections import Counter

def get_history_file():
    shell = os.path.basename(os.getenv('SHELL'))

    if shell == 'bash':
        return os.path.expanduser('~/.bash_history'), 'bash'
    elif shell == 'zsh':
        return os.path.expanduser('~/.zsh_history'), 'zsh'

ostechnix

BashmasTree 🎄

Animated Christmas tree for your terminal!

Versions

🎄 2026 Version (RECOMMENDED)

• Fully responsive to terminal resizing
• Animated falling snow
• Enhanced decorations

ostechnix

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   showipaddr.sh
# Description:   A Bash Script to display Private and
#                Public IP address details in Linux and Unix.
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         chmod +x showipaddr.sh
#                ./showipaddr.sh

ostechnix

#!/usr/bin/env python

# ------------------------------------------------------------------
# Script Name:   showipaddr.py
# Description:   A Python Script to display Private and
#                Public IP address details in Linux and Unix.
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         python showipaddr.py
# ------------------------------------------------------------------

ostechnix

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   enablebackports.sh
# Description:   A Bash Script to check and enable Backports
#                repository in Debian Linux.
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         sudo ./enablebackports.sh
# ------------------------------------------------------------------

ostechnix

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   debupdate.sh
# Description:   An Interactive Bash Shell Script to 
#                Update a Debian-based System
# Website:       https://gist.github.com/ostechnix
# Version:       1.0
# Usage:         sudo ./debupdate.sh
# ------------------------------------------------------------------