• Mar 20, 2023 •C S
0 likes • 1 view
// 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
• Jan 12, 2023 •LeifMessinger
0 likes • 4 views
#!/bin/bash #Originally made by Isaac Cook https://gist.github.com/icook/5400173 #Modified by Leif Messinger #upload_key.sh [server_ip [server2_ip [...]]] #To be run locally on a linux computer if [ -e ~/.ssh/id_rsa.pub ]; then echo "SSH Key already exists on local machine" else echo "Generating SSH key on local machine" ssh-keygen -t rsa #generates id_rsa and id_rsa.pub chmod -R 700 ~/.ssh #Sets permissions of ssh folder ssh-add #Adds keys (and passwords?) to ssh_agent. (hopefully doesn't require password) fi echo "Loading client public key into memory" pubKey=$(<~/.ssh/id_rsa.pub) for server do echo "Adding client public key to $server remote server authorized keys" #Idiot Isaac Cook didn't know about ssh-copy-id #ssh-copy-id even checks if your key already exists #In fairness, I didn't either until researching ssh-add ssh-copy-id -i ~/.ssh/id_rsa.pub $server #In theory, this should prompt for a username #ssh $server "mkdir -p ~/.ssh; #Make the folder if not already made # echo \"$pubKey\" >> ~/.ssh/authorized_keys; #Append your public key to the server's authorized_keys # chmod 700 ~/.ssh && chmod 600 ~/.ssh/authorized_keys" #Set the correct permissions of those files #echo "Adding server public key to local authorized keys" #ssh $server "ssh-copy-id -i ~/.ssh/id_rsa.pub \$SSH_CLIENT" #this might need some awk, as $SSH_CLIENT spits out clientip portnumber echo "Displaying server public key" ssh $server "cat ~/.ssh/id_rsa.pub" #Though, he did give me a good idea echo "Displaying keys authorized on $server (you can paste them in your authorized_keys file)" ssh $server "cat ~/.ssh/authorized_keys" #echo "Appending keys authorized on $server to your local authorized_keys" #ssh $server "cat ~/.ssh/authorized_keys" >> ~/.ssh/authorized_keys done echo "SSH keys schronized successfully!"
• Apr 1, 2026 •C S
0 likes • 2 views
#!/bin/bash # Get days parameter (default 7) DAYS=${1:-7} echo "" echo "📊 Commits from the last $DAYS days:" echo "" # Extract commits with format: [hash] date - author: subject git log --since="$DAYS days ago" --format="%h|%ad|%an|%s" --date=short | while IFS='|' read -r hash date author subject; do echo "[$hash] $date - $author: $subject" done
• Sep 9, 2023 •LeifMessinger
0 likes • 3 views
#!/bin/bash #Changes the remote url from https to ssh. #Only works for github, because I'd have to store a dictionary of every https to ssh url otherwise. #Made using Bing Chat # Get the remote URL from the console REPO_URL=$(git config --get remote.origin.url) # Check that REPO_URL contains https://github.com if [[ $REPO_URL == *"https://github.com"* ]]; then # Replace https with ssh in the URL REPO_URL=${REPO_URL/https:\/\/github.com\//[email protected]:} # Change the remote URL to the SSH version git remote set-url origin "$REPO_URL" else echo "Error: REPO_URL does not contain https://github.com" >&2 exit 1 fi
• Jul 29, 2024 •AustinLeath
0 likes • 10 views
for region in `aws ec2 describe-regions --output text | cut -f4` do echo -e "\nListing Instances in region:'$region'..." aws ec2 describe-instances --query 'Reservations[*].Instances[*].{Instance:InstanceId,Subnet:SubnetId}' --region $region done #This script is to be used with any AWS CLI configured environment, it will list any EC2 instances and their associated subnet network ID's in JSON format
• Apr 3, 2025 •LeifMessinger
0 likes • 8 views
#!/usr/bin/env bash #Splits a command across a number of CELL machines user=$(whoami) if [[ -z $user ]]; then echo "whoami failed. Exiting..." exit 1 fi command="$1" if [[ -z $command ]]; then echo "Need to put in a command." exit 1 fi shift array=("$@") let start=8 let stop=18 for ((i = $start; i <= $stop; i++)); do extraZero=$(if [[ "$i" -lt 10 ]]; then echo "0"; fi) domain="CELL${extraZero}${i}-CSE.ENG.UNT.EDU" let "index = i - start" echo ${#array[@]} if [[ ${#array[@]} != 0 ]] && [[ $index -ge ${#array[@]} ]]; then echo "$index > ${#array[@]}" break fi ssh -o StrictHostKeyChecking=accept-new "${user}@${domain}" -t "$command ${array[$index]}" & done