MohamedElashri

⚠️ Fixing Electron App Crashes Caused by amdgcn-- Triple Errors on Linux

🧩 Problem

Electron-based applications (e.g., 1Password, VSCode, Discord, etc.) crash on Linux systems where AMD's ROCm or amdgpu-install driver stack is present. A representative error message looks like this:

Cannot find target for triple amdgcn-- Unable to find target for this triple (no targets are registered)
...
[ERROR:gpu_process_host.cc(981)] GPU process exited unexpectedly: exit_code=139

MohamedElashri

Condor _q Cheatsheet

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1. View & Summarize Jobs

Command	What it Does	Example
condor_q	Batched summary (one line per cluster)	condor_q
condor_q -nobatch	Per‑job listing (one line per proc)	condor_q -nobatch 195

MohamedElashri

Cron Jobs Cheat Sheet

1. Cron Time Format (Crontab Syntax)

Field	Allowed Values	Special Characters	Meaning	Example
Minute	0–59	* , - /	Minute of the hour	0 = top of the hour
Hour	0–23	* , - /	Hour of the day	5 = 5 AM
Day	1–31	* , - /	Day of the month	15 = 15th

MohamedElashri

ROOT Cheat Sheet

1. Interactive work

Command	Description
root -h	show help for root command
root [-l]	open ROOT
root [-l] file.root	open ROOT and load a file
.?	show help in interactive ROOT

MohamedElashri

INSPIRE HEP-PH Top Papers Analysis

This script fetches and analyzes the top cited High Energy Physics - Phenomenology (HEP-PH) papers from 2024 using the INSPIRE API. It focuses on papers with 10 or fewer authors and generates a detailed table of the most cited papers.

Requirements

• Python 3.7+
• Required packages:

  pip install requests pandas tabulate

MohamedElashri

Setup ROOT Environment Script

This script automates the creation of a Conda environment for working with ROOT and Python, including optional configuration for additional packages, Conda channels, and Python versions. It also sets up environment variables for seamless integration with tools like VSCode and Jupyter Notebook.

Features

• Automates Environment Creation: Creates a Conda environment with ROOT and Python.
• Customizable Options: Allows specifying additional packages, Conda channels, and Python versions.
• Jupyter Kernel Integration: Automatically registers the environment as a Jupyter kernel.
• Environment Variable Management: Dynamically sets up and cleans up ROOT-specific environment variables.

MohamedElashri

What is this?

This is a simple Bash script designed to help easily create and manage swap files on a Linux system. It also allows easily configure kernel parameters vm.swappiness and vm.vfs_cache_pressure.

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How to Use

MohamedElashri

OpenSnitch Manager Script

A bash script to manage OpenSnitch installation, uninstallation, and repair on Linux systems. This script provides automated installation of both the OpenSnitch service and UI components, with proper desktop integration and autostart configuration.

Supported Distributions

• Debian-based systems (Debian, Ubuntu, Linux Mint, Pop!_OS)
• RHEL-based systems (CentOS, Fedora)
• Arch Linux

MohamedElashri

List of Linux commands in tables categorized by tool types. source

File and Directory Operations

Command	Description
cp	Copy files to another location
mv	Move or rename files or directories
rm	Remove files

MohamedElashri

List of macOS commands in tables categorized by tool types. source

File and Directory Operations

Command	Description
cp	Copy files to another location
mv	Move or rename files or directories
rm	Remove files
mkdir	Create new folders