swap
First create a 2 GB file
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1 |
dd if=/dev/zero of=/swapfile bs=1M count=4096 |
For 8 GB, use count=8192. You can also use fallocate command instead of dd.
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fallocate -l 8G /swapfile |
Make it swap
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mkswap /swapfile chmod 0600 /swapfile swapon /swapfile |
Add it to /etc/fstab
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echo "/swapfile swap swap defaults 0 0" >> /etc/fstab |