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Aug 7, 2023C S
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Bash Basics

Nov 19, 2022CodeCatch

0 likes • 1 view

name="John"
echo ${name}
echo ${name/J/j} #=> "john" (substitution)
echo ${name:0:2} #=> "Jo" (slicing)
echo ${name::2} #=> "Jo" (slicing)
echo ${name::-1} #=> "Joh" (slicing)
echo ${name:(-1)} #=> "n" (slicing from right)
echo ${name:(-2):1} #=> "h" (slicing from right)
echo ${food:-Cake} #=> $food or "Cake"

diskRipper.sh

Apr 21, 2021LeifMessinger

0 likes • 6 views

#diskRipper.sh by Leif Messinger
#For use on debian, where your cds aren't immediately mounted
wall "CD inserted boss"
set -x #echo on
cdDrivePath=$(ls -l /dev/cdrom | awk '{print $NF}')
#CD could have no label, so that's why I need awk
cdLabel=$(lsblk -n "/dev/$cdDrivePath" -o label)
if [[ ! -z "$cdLabel" ]]; then #CD has label
folderName=$cdLabel
echo "The cd label is ${folderName}"
if mkdir ./cds/"${folderName}"; then #Folder didn't exist before
sudo mount /dev/cdrom ./.cdmountpoint
sudo cp -r ./.cdmountpoint/* "./cds/${folderName}"
sudo chmod -R 777 "./cds/${folderName}"
sudo umount ./.cdmountpoint
eject
wall "CD done and ejecting"
else
wall "Already read that cd, skipped"
fi
else
wall "CD had no label, skipped"
fi

Useful NVM Commands

Mar 20, 2023C S

0 likes • 0 views

// check version
node -v || node --version
// list installed versions of node (via nvm)
nvm ls
// install specific version of node
nvm install 6.9.2
// set default version of node
nvm alias default 6.9.2
// switch version of node
nvm use 6.9.1

unexpandDirectory.sh

May 13, 2023LeifMessinger

0 likes • 8 views

#!/bin/bash
# Turns 4 spaces into tabs.
# Mostly stolen from AI
# Define the directory to process
DIRECTORY=$1
TabCount=${2:-'4'} #Defaults to 4
# Check if directory is specified
if [ -z "$DIRECTORY" ]; then
echo "Error: Directory not specified."
exit 1
fi
# Check if directory exists
if [ ! -d "$DIRECTORY" ]; then
echo "Error: Directory does not exist."
exit 1
fi
# Find all files in directory and subdirectories
FILES=$(find "$DIRECTORY" -type f)
# Loop through each file and unexpand it
for FILE in $FILES; do
unexpand -t "$TabCount" "$FILE" > "$FILE.tmp"
mv "$FILE.tmp" "$FILE"
done
echo "Done!"

Nginx Serve Storybook

Oct 17, 2023C S

2 likes • 17 views

# ---------------- FIREWALL STEPS ----------------
# Check if firewalld is installed and running
sudo systemctl status firewalld
# If it's not running, you can start and enable it
sudo systemctl start firewalld
sudo systemctl enable firewalld
# Add a rule to allow traffic on port 6006. Port 6006 is the default port that storybook runs on.
sudo firewall-cmd --permanent --add-port=6006/tcp
# Reload the firewall for the changes to take effect
sudo firewall-cmd --reload
# Check the list of allowed ports
sudo firewall-cmd --list-ports
# ---------------- NGINX STEPS ----------------
# Install Nginx (if not already installed)
sudo yum install nginx
# Start and enable Nginx
sudo systemctl start nginx
sudo systemctl enable nginx
# Copy your storybook-static directory to a location that Nginx can serve from.
# The default web root directory for Nginx is /usr/share/nginx/html.
sudo cp -r /path/to/storybook-static /usr/share/nginx/html/
# Adjust file permissions if needed to ensure that Nginx can read the files
sudo chown -R nginx:nginx /usr/share/nginx/html/storybook-static
# Put the following server block in /etc/nginx/conf.d/storybook.conf
server {
listen 6006;
server_name your_domain.com;
location / {
root /usr/share/nginx/html/storybook-static;
index index.html;
}
}
# Test the Nginx configuration for syntax errors
sudo nginx -t
# If there are no errors, reload Nginx to apply the changes
sudo systemctl reload nginx

codecatch.sh

Nov 14, 2021LeifMessinger

0 likes • 0 views

#!/bin/bash
#Takes all the c and h files in the current directory and prints them
#Yup, it's that easy
for file in *.h *.hpp *.c *.cpp; do
#If it exists
if [ -f "$file" ]; then
echo "//===============$file==============="
cat $file
fi
done