blisabda

Libvirt

yum group install -y "Development Tools"
yum -y install qemu-kvm libvirt virt-install bridge-utils libvirt-devel  libxslt-devel libxml2-devel libvirt-devel libguestfs-tools-c

echo "net.ipv4.ip_forward = 1"|sudo tee /etc/sysctl.d/99-ipforward.conf
sysctl -p /etc/sysctl.d/99-ipforward.conf

Uber facts

Original posts/information

Migrating Uber from MySQL to PostgreSQL

Key points

~50GB MySQL Application
Main motivation: PostGis
Migration made with a custom tool(xml2pgcopy) and mysqldump on 45min

Open a webpage that uses the CA with Firefox
Click the lock-icon in the addressbar -> show information -> show certificate
the certificate viewer will open
click details and choose the certificate of the certificate-chain, you want to import to CentOS
click "Export..." and save it as .crt file
Copy the .crt file to /etc/pki/ca-trust/source/anchors on your CentOS machine
run update-ca-trust extract
test it with wget https://thewebsite.org

%title: Kubeception %author: @dghubble

// Youtube: https://www.youtube.com/watch?v=tlUiQa2JYQU

-> Kubeception

-> Experiments with QEMU/KVM on Kubernetes <-

I need a way to get a list of plugins so that I can use them with docker jenkins in the format <plugin>: <version>

1. get the jenkins cli.

The jenkins CLI will allow us to interact with our jenkins server from the command line. We can get it with a simple curl call.

curl 'localhost:8080/jnlpJars/jenkins-cli.jar' > jenkins-cli.jar

	# npm using https for git
	git config --global url."https://github.com/".insteadOf [email protected]:
	git config --global url."https://".insteadOf git://

	# npm using git for https
	git config --global url."[email protected]:".insteadOf https://github.com/
	git config --global url."git://".insteadOf https://

	#include <netinet/in.h>
	#include <string.h>
	#include <sys/socket.h>
	#include <sys/kern_control.h>
	#include <net/if_utun.h>
	#include <sys/ioctl.h>
	#include <sys/kern_event.h>

	int open_utun(int num) {
	int err;

	Edit '/etc/sysconfig/jenkins' and add 'prefix=/jenkins' to 'JENKINS_ARGS'
	**************************************************************************
	JENKINS_ARGS="--prefix=/jenkins"


	Comment out the default server config in '/etc/nginx/nginx.conf'
	and create following file

	'/etc/nginx/conf.d/domain.conf'
	*************************************************

	#!/bin/sh

	# POC to connect a libvirt VM to a Pod NIC created by CNI

	# Resources:
	# - rancher-vm networking https://github.com/rancher/vm/blob/master/docs/networking.md
	# - qemu-ifup https://gist.github.com/Wayt/26d25002d00d7cb4348499a145456999
	# - cni https://github.com/containernetworking/cni/blob/master/scripts/exec-plugins.sh

	# yum install -y macchanger

	#!/bin/bash

	if [ $# -ne 3 ]; then
	echo "usage: $0 <unix socket file> <host> <listen port>"
	exit
	fi

	SOCK=$1
	HOST=$2
	PORT=$3