tldr/pages/linux/zramctl.md

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2017-04-07 04:26:00 +01:00
# zramctl
> Setup and control zram devices.
> Use `mke2fs` or `mkswap` to format zram devices to partitions.
- Check if zram is enabled:
`lsmod | grep -i zram`
- Enable zram with 2 devices. Use `zramctl` to configure the devices further:
`sudo modprobe zram num_devices={{2}}`
- Find and initialise the next free zram device to a 2GB virtual drive using lz4 compression:
`sudo zramctl --find --size {{2GB}} --algorithm {{lz4}}`
- List currently initialised devices:
`zramctl`