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Add swap to ubuntu 14.04
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| # Add a 1G swap to swapless ubuntu server. (Verify with: free -m) | |
| # Adapted from https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04 | |
| fallocate -l 1G /swapfile | |
| chmod 600 /swapfile | |
| mkswap /swapfile | |
| swapon /swapfile | |
| sysctl vm.swappiness=10 | |
| echo vm.swappiness=10 >> /etc/sysctl.conf | |
| sysctl vm.vfs_cache_pressure=50 | |
| echo vm.vfs_cache_pressure=50 >> /etc/sysctl.conf | |
| free -m |
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