jberkus

Potential ordering for F27 Blog Posts

Tuesday: Release announcement/summary

Tuesday: 26->27 Migration post

Wednesday: Migrating Kubernetes post

Thursday: Multi-arch (both on blog and on Magazine)

jberkus

FROM fedora:25

MAINTAINER Josh Berkus "josh@agliodbs.com"

LABEL Usage="docker run -d -P --tmpfs /run --tmpfs /tmp -v /sys/fs/cgroup:/sys/fs/cgroup pgadmin4"

ENV container=oci

# install packages
RUN dnf install -y https://download.postgresql.org/pub/repos/yum/9.6/fedora/fedora-25-x86_64/pgdg-fedora96-9.6-3.noarch.rpm && \

jberkus

As an example, let's say that we have a Fedora Atomic host which is on the default ref.  That ostree will now be updated every two weeks, and only every two weeks:

```
-bash-4.3# date
Fri Feb 10 21:05:27 UTC 2017

-bash-4.3# rpm-ostree status
State: idle
Deployments:
● fedora-atomic:fedora-atomic/25/x86_64/docker-host

jberkus

#!/user/bin/env python

import psycopg2
import datetime
import random
import time
import sys

def randuser():
    return (int(random.random() * 100) + 1)

jberkus

#!/usr/bin/env python

# Usage: download_issues.py owner repo postgres_dsn github_token

# simple script for downloading all issues from the given repository
# requires you to set up an API token with no special permissions
# also requires a PostgreSQL database with the following tables:

"""
create table issues (

jberkus

Nov 22 22:06:57 ip-172-31-36-35.us-west-2.compute.internal oci-systemd-hook[9680]: systemdhook <debug>: Skipping as container command is /usr/local/bin/kube-controller-manager, not init or systemd
Nov 22 22:06:57 ip-172-31-36-35.us-west-2.compute.internal kubelet[8942]: I1122 22:06:57.998626    8942 factory.go:111] Using factory "docker" for container "/system.slice/docker-ba0c74e340d3795cd0d490cbad0b4135
Nov 22 22:06:58 ip-172-31-36-35.us-west-2.compute.internal systemd[1]: libcontainer-9684-systemd-test-default-dependencies.scope: Scope has no PIDs. Refusing.
Nov 22 22:06:58 ip-172-31-36-35.us-west-2.compute.internal systemd[1]: libcontainer-9684-systemd-test-default-dependencies.scope: Scope has no PIDs. Refusing.
Nov 22 22:06:58 ip-172-31-36-35.us-west-2.compute.internal kubelet[8942]: I1122 22:06:58.046995    8942 server.go:608] Event(api.ObjectReference{Kind:"Pod", Namespace:"kube-system", Name:"kube-controller-manager
Nov 22 22:06:58 ip-172-31-36-35.us-west-2.compute.internal kernel: XFS (dm-8): Mounti

jberkus

containers & databases
======================

databases
---------

* postgres
* mysql & mariadb
* oracle
* redis

jberkus

install
reboot
lang en_US.UTF-8
keyboard us
timezone --utc America/Los_Angeles
selinux --enforcing
zerombr
clearpart --all --initlabel
bootloader --location=mbr --boot-drive=sda
reqpart --add-boot

jberkus

```
# install Fedora Atomic and then reboot automatically
install
reboot

# set language, keyboard and timezone
lang en_US.UTF-8
keyboard us
timezone --utc America/Los_Angeles

jberkus

-- For documentation on these functions, please see blog post at:
-- http://www.databasesoup.com/2012/10/determining-furthest-ahead-replica.html

-- determines current xlog location as a monotonically increasing numeric.
CREATE OR REPLACE FUNCTION xlog_location_numeric(vcloc text default NULL)
RETURNS numeric
LANGUAGE plpgsql
as $f$
DECLARE cloc text;
        floc text[];