Category: Linux

Setting Up Infiniband in Centos 6.7

Installing Infiniband Drivers In Centos/RHEL, software support for Mellanox infiniband hardware is found in the package group “Infiniband Support”, which can be installed with yum: $yum -y groupinstall “Infiniband Support” This will install the required kernel modules, and the infiniband subnet manager opensm. Several optional packages are also available that make configuring and trouble shooting the network easier: $yum -y install infiniband-diags perftest gperf inifiniband-diags is a network diagnostic package containing useful analysis tools such as ibping and ibstat. perftest...


How to Check Memory on Linux machines

This article will outline how to check memory on linux and unix based machines. I’ll demonstrate a couple of useful commands that check memory on the hard drive on your machine. df -h df -h, which stands for disk free, checks for the space left on the drive in a human friendly format. It’s very useful to see the overall disk space left on the device. df -h   du -hs The opposite of disk free is disk usage. du...