11 | | 4. Install necessary additional software on both nodes |
| 11 | 4. Install the right kernel and setup the CPU governor |
| 12 | |
| 13 | {{{ |
| 14 | apt-get update |
| 15 | version=3.17 |
| 16 | wget -r -e robots=off --accept-regex "(.*lowlatency.*amd64)|(all).deb" http://kernel.ubuntu.com/~kernel-ppa/mainline/v${version}-utopic/ |
| 17 | dpkg -i kernel.ubuntu.com/*/*/*/*deb |
| 18 | }}} |
| 19 | |
| 20 | At this point the node will require a reboot. When the node is again available |
| 21 | |
| 22 | {{{ |
| 23 | I#nstall cpufrequtils: |
| 24 | apt-get install cpufrequtils |
| 25 | |
| 26 | #Then edit the following file (if it doesn't exist, create it): |
| 27 | nano /etc/default/cpufrequtils |
| 28 | |
| 29 | #And add the following line to it: |
| 30 | GOVERNOR="performance" |
| 31 | }}} |
| 32 | |
| 33 | 5. Install necessary additional software on both nodes |