cp -a squid-proxy-deployment-backup.sh /usr/bin/
chmod +x /usr/bin/squid-proxy-deployment-backup.sh
Update following in /usr/bin/squid-proxy-deployment-backup.sh
SQUID_DEPLOYMENT_DIR="${HOME}/squid-proxy-deployment"
SQUID_DEPLOYMENT_BACKUP_PATH="${HOME}/squid-proxy-deployment-backup"
cp squid-proxy-deployment-backup.timer squid-proxy-deployment-backup.service /etc/systemd/system/
systemctl daemon-reload
systemctl enable --now squid-proxy-deployment-backup.timer