1. Create the 1GB swap file (takes a few seconds)
sudo fallocate -l 1G /swapfile
# Alternative if fallocate does not work: # sudo dd if=/dev/zero of=/swapfile bs=1024 count=1048576
# 2. Ensure correct permissions (root only) sudo chmod 600 /swapfile# 3. Format as swap area sudo mkswap /swapfile# 4. Enable the swap su
do swapon /swapfile# 5. Verify it is active sudo swapon –show free -h# 6. Make it permanent (add to /etc/fstab) echo ‘/
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