noushi

#!/bin/sh

sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
sudo yum -y install libvirt-daemon-kvm libvirt-client vagrant gcc-c++ make libstdc++-devel libvirt-devel
sudo systemctl enable --now libvirtd
vagrant plugin install vagrant-libvirt
sudo usermod -a -G libvirt $( id -un )

noushi

GPU demos with OpenShift using Caffe2

Environment

The RHPDS catalog item you provisioned is a single-node OpenShift environment that is backed by an Amazon P-type EC2 instance which has 1 NVIDIA GPU. It is a 100% vanilla/standard OpenShift Container Platform 3.10 installation. Post-install, there were a few additional things done consuming Ansible content from the https://github.com/redhat-performance/openshift-psap

noushi

#!/usr/bin/env bash
# Runs a command wrapped in ZFS pre-post snapshots. The whole data pool is recursively snapshotted.
# Analogous to my snp script for BTRFS: https://gist.github.com/erikw/5229436
# Usage: $ znp <commands>
# e.g.: $ znp pgk upgrade
# e.g.: $ znp portmaster -aG
# e.g.: $ znp freebsd-upgrade install

zfs_pool=zroot

noushi

#!/bin/bash

[ -e $XDG_RUNTIME_DIR/OVMF_VARS.fd ] || cp /usr/share/OVMF/OVMF_VARS.ms.fd  $XDG_RUNTIME_DIR/OVMF_VARS.fd


kvm  -smp 2 \
     -m 4096 \
     -cpu host \
     -M q35 \
     -drive if=pflash,format=raw,readonly,file=/usr/share/OVMF/OVMF_CODE.fd \

noushi

Kerberos + Apache + SVN
=======================

I did this on Ubuntu server 10.10. Based on this: https://help.ubuntu.com/community/Kerberos

1) Make sure the server has appropriate DNS info, e.g.: (/etc/hosts)

10.0.1.147	draco.madebysofa.com 
127.0.0.1	localhost ubuntu

noushi

My Openshift Cheatsheet

Examine the cluster quota defined for the environment:

$ oc describe AppliedClusterResourceQuota

Install pkgs using yum in a Dockerfile

noushi

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

noushi

#!/bin/sh
# https://bit.ly/2L80Ojm

POD=$( oc get pod -n glusterfs | grep heketi | cut -f1 -d' ' )

eval $(oc rsh $POD set | grep -i heketi )

oc rsh $POD heketi-cli --server $SERVER --user admin --secret $HEKETI_ADMIN_KEY

noushi

package memcached

import (
	"context"
	"reflect"

	cachev1alpha1 "github.com/example-inc/memcached-operator/pkg/apis/cache/v1alpha1"

	appsv1 "k8s.io/api/apps/v1"

noushi

### KERNEL TUNING ###

# Increase size of file handles and inode cache
fs.file-max = 2097152

# Do less swapping
vm.swappiness = 10
vm.dirty_ratio = 60
vm.dirty_background_ratio = 2