2017-04-07 04:26:00 +01:00
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# zramctl
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> Setup and control zram devices.
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2020-02-28 13:34:55 +00:00
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> Use `mkfs` or `mkswap` to format zram devices to partitions.
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2021-10-04 05:00:39 +01:00
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> More information: <https://manned.org/zramctl>.
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2017-04-07 04:26:00 +01:00
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- Check if zram is enabled:
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`lsmod | grep -i zram`
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2020-02-28 13:34:55 +00:00
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- Enable zram with a dynamic number of devices (use `zramctl` to configure devices further):
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`sudo modprobe zram`
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- Enable zram with exactly 2 devices:
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2017-04-07 04:26:00 +01:00
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`sudo modprobe zram num_devices={{2}}`
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2021-08-15 18:59:09 +01:00
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- Find and initialise the next free zram device to a 2 GB virtual drive using LZ4 compression:
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2017-04-07 04:26:00 +01:00
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`sudo zramctl --find --size {{2GB}} --algorithm {{lz4}}`
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- List currently initialised devices:
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`zramctl`
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