<pre><code class="lang-plaintext">sudo fallocate -l 128G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon --show
</code></pre>
<h1 id="heading-resize-existing-swap">resize existing swap</h1>
<pre><code class="lang-plaintext">sudo swapoff /swapfile
sudo fallocate -l 128G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon --show
</code></pre>
<h1 id="heading-persitence-etcfstab">persitence /etc/fstab</h1>
<pre><code class="lang-plaintext">/swapfile swap swap defaults 0 0
</code></pre>


```plaintext
sudo fallocate -l 128G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon --show
```

# resize existing swap

```plaintext
sudo swapoff /swapfile
sudo fallocate -l 128G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon --show

```

# persitence /etc/fstab

```plaintext
/swapfile swap swap defaults 0 0
```

swap file

resize existing swap

persitence /etc/fstab