Introduction
In this article, we will explain to you tweaks for CentOS 6 and 7 KVM VPS. These configurations will help you to get the best performance for your VPS by following this article.
Prerequisites
You will need:
- VPS running CentOS
CentOS 6 x64
- Install tuned service by running this command:
yum -y install tuned
- Use chkconfig to turn on tuned service:
chkconfig tuned on
- Now configure the tuned service to optimize systems running as a virtual guest:
tuned-adm profile virtual-guest
Mount Options
- Add the following options to your root partition in /etc/fstab:
noatime,discard,barrier=0
Packaging
- Install the epel-release package in order to allow installation of common packages not including within the default repositories:
yum -y install epel-release
CentOS 7 x64
- Install the tuned service by running this command:
yum -y install tuned
- Start and enable tuned service:
systemctl enable tuned
systemctl start tuned
- Now configure the tuned service to optimize systems running as a virtual guest:
tuned-adm profile virtual-guest
Mount Options
- Add the following options to your root partition in /etc/fstab:
noatime,discard,barrier=0
Packaging
- Install the epel-release package in order to allow installation of common packages not including within the default repositories:
yum -y install epel-release
Conclusion
You have successfully tweaked your CentOS KVM VPS. This should boost your disk I/O speed 4-5 times more than the default installation allows.
