zramctl

Setup and control zram devices. Use mkfs or mkswap to format zram devices to partitions. More information: <https://manned.org/zramctl>.

Install

All systems
curl cmd.cat/zramctl.sh
Debian Debian
apt-get install util-linux
Ubuntu
apt-get install util-linux
Alpine
apk add util-linux
Arch Arch Linux
pacman -S util-linux
image/svg+xml Kali Linux
apt-get install util-linux
CentOS
yum install util-linux
Fedora
dnf install util-linux
Windows (WSL2)
sudo apt-get update sudo apt-get install util-linux
OS X
brew install util-linux
Raspbian
apt-get install util-linux
Docker
docker run cmd.cat/zramctl zramctl powered by Commando

Setup and control zram devices. Use mkfs or mkswap to format zram devices to partitions. More information: <https://manned.org/zramctl>.

  • Check if zram is enabled:
    lsmod | grep -i zram
  • Enable zram with a dynamic number of devices (use `zramctl` to configure devices further):
    sudo modprobe zram
  • Enable zram with exactly 2 devices:
    sudo modprobe zram num_devices=2
  • Find and initialize the next free zram device to a 2 GB virtual drive using LZ4 compression:
    sudo zramctl --find --size 2GB --algorithm lz4
  • List currently initialized devices:
    zramctl

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