CentOS
$ sudo yum install tuned
Fedora
$ sudo dnf install tuned
CentOS
$ sudo chkconfig tuned on
Fedora
$ sudo systemctl enable tuned.service
CentOS
$ sudo service tuned start
Fedora
$ sudo systemctl start tuned.service
$ sudo tuned-adm active Current active profile: virtual-guest
$ sudo tuned-adm list Available profiles: - balanced - latency-performance - powersave - throughput-performance - virtual-guest - virtual-host Current active profile: virtual-guest
KVMホストの場合
$ sudo tuned-adm profile virtual-host
KVMゲストの場合
$ sudo tuned-adm profile virtual-guest