Extend or create new swap file
I'm scared of dd, I use fallocate
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Create the swap file:
sudo fallocate -l XG /swapfileWhere X is the swapfile size in GB
sudo mkswap /swapfile sudo chmod 0600 /swapfile sudo swapon /swapfile -
Reboot:
sudo reboot -
There is a slight possibility of getting holes in a swapfile when creating it with fallocate. /var/log/syslog can be searched for the phrase
swapon: swapfile has holesto ensure there will be no data loss.