jdoss

#!/bin/bash
# Hacky fix for Google Chrome unstable (43.0.2342.2 dev) on a HiDPI screen.
# See https://code.google.com/p/chromium/issues/detail?id=469373 for more details

xprop -root -remove _NET_WORKAREA
google-chrome-unstable --force-device-scale-factor=2 > /dev/null 2>&1 &

jdoss

IPTABLES="ipt_REJECT ipt_tos ipt_TOS ipt_LOG ip_conntrack ipt_limit ipt_multiport iptable_filter iptable_mangle ipt_TCPMSS ipt_tcpmss ipt_ttl ipt_length ipt_state ip_nat_ftp ipt_recent ip_conntrack_ftp xt_mac ip_conntrack_irc ipt_owner ipt_REDIRECT iptable_nat, ip_tables"
IPTABLES_MODULES="$IPTABLES xt_connlimit nf_nat"

jdoss

http://stackoverflow.com/questions/985725/tools-for-jpeg-optimization
http://www.imagemagick.org/script/command-line-options.php#gravity
http://superuser.com/questions/275476/square-thumbnails-with-imagemagick-convert

# Convert with focus on north gravity of image
convert -define jpeg:size=800x600 image1.jpg -thumbnail 800x600^ -gravity north -extent 800x600 image1_thumb.jpg

# Convert from the center of image
convert -define jpeg:size=800x600 image2.jpg -thumbnail 800x600^ -gravity center -extent 800x600 image2_thumb.jpg

jdoss

# lspci |grep Wireless
04:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)


# uname -a
Linux 4.1.4-200.fc22.x86_64 #1 SMP Tue Aug 4 03:22:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

# /sbin/ethtool -i wlp4s0 |grep firm
firmware-version: 25.17.12.0

jdoss

This will allow you to use Open vSwitch with Libvirt to put your VMs on the same network as the host and not use the default NAT based bridge.

Install Packages

dnf install -y virt-install libvirt openvswitch

Services Prep Work

Disable NetworkManager :(

jdoss

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(2) do |config|

  config.vm.define :dev do |dev|

    dev.vm.box = "centos/7"
    dev.vm.hostname = "ansible"
    dev.vm.network :public_network, :dev => "ovsbr0", :ovs => true

jdoss

 awk '{ if (NR==1) {getroot = "blkid -s UUID /dev/fedora_server/root|cut -d: -f2"} {getroot |& getline root } {$1=root} \
 if (NR==2) {close("getroot")}{getboot = "blkid -s UUID /dev/mmcblk0p1|cut -d: -f2"} {getboot |& getline boot} {$1=boot} {close("getboot")} \
 if (NR==3) {close("getboot")}{getswap = "blkid -s UUID /dev/mmcblk0p2|cut -d: -f2"} {getswap |& getline swap} {$1=swap} } {close("getswap")}1' etc/fstab 

jdoss

---
- name: Gather EC metadata facts
  action: ec2_facts

- name: List tags on an instance
  ec2_tag:
    region: "{{ ansible_ec2_placement_region }}"
    resource: "{{ ansible_ec2_instance_id }}"
    state: list
  register: instance

jdoss

[root@localhost ~]# dkms build -m wireguard -v 0.0.20170907

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area...
make -j1 KERNELRELEASE=3.10.0-693.2.2.el7.x86_64 -C /lib/modules/3.10.0-693.2.2.el7.x86_64/build M=/var/lib/dkms/wireguard/0.0.20170907/build...(bad exit status: 2)
Error! Bad return status for module build on kernel: 3.10.0-693.2.2.el7.x86_64 (x86_64)
Consult /var/lib/dkms/wireguard/0.0.20170907/build/make.log for more information.
[root@localhost ~]# cat /var/lib/dkms/wireguard/0.0.20170907/build/make.log

jdoss

[Path]
PathChanged=/etc/systemd/network/wg0.network
PathChanged=/etc/systemd/network/wg0.netdev

[Install]
WantedBy=multi-user.target