jamesdube

$ genisoimage  -output seed.iso -volid cidata -joliet -rock user-data meta-data

jamesdube

- hosts: all
  name: get group ips in one line
  gather_facts: false
  vars:
      all_servers_ip: "{{groups['all'] | map('extract',hostvars,['ansible_ssh_host']) | join(',') }}"

  tasks:
  - debug: 
      msg: "{{all_servers_ip}}"

jamesdube

package main

import (
	"fmt"
	"time"

	"github.com/tsenart/vegeta/lib"
)

func testRate(rate int, sla time.Duration) bool {

jamesdube

Envoy TCP Proxy

This is an example of Envoy TCP Proxy from localhost:10000 to www.google.com:80. See also https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/listeners/tcp_proxy.

To run a proxy:

% docker run --rm getenvoy/envoy:stable --version

jamesdube

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE