juliandunn

Known Issues in Chef Client 12.0 & AIX

• Our standard bootstrap procedure doesn't work (not that I think many folks on AIX will use it). A couple problems:
  • Omnitruck doesn't understand BFFs and has invalid syntax for uname: chef/omnitruck#72
  • Bootstrap SSH fails with SSH debug returns "cipher_init: EVP_CipherInit: set key failed for aes128-cbc (when running in -VV) -- it will also fail to negotiate other cipher suites like 3des-cbc
    • Only fix I've found so far is to installp -u security.pkcs11. The one suggested by IBM does not work: http://www-01.ibm.com/support/docview.wss?uid=isg3T1019142
    • Maybe there's a patch for this. My LPAR is 7100-02-04-1341 which isn't the latest SP.
    • security.pkcs11 is safe to remove as it has to do with hardware encryption devices (a rare use case). Customers can contact IBM if they have a hardware crypto device and need this package
  • Bootstrap assumes bash is available on the system so you get something like `k

justinredd

Lean Coffee

• 60 - 90 minutes
• 5 - 11 people

Materials

• Table + chairs
• PostIts and Pens
• Timer

kracekumar

Writing better python code

---

Swapping variables

Bad code

postmodern

Do your part to resist Government surveillance and take back your privacy:

• Browser Privacy: HTTPS Everywhere, AdBlock Plus + EasyList, Disconnect, NoScript (FireFox), NotScript (Chrome)
• VPNs: Private Internet Access (US), BTGuard (Canada), ItsHidden (Africa), Ipredator (Sweden), Faceless.me (Cyprus / Netherlands)
• Internet Anonymization: Tor, Tor Browser Bundle, I2P
• Disk Encryption: TrueCrypt (Windows / OSX / Linux), File Vault

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

lucaspiller

#!/bin/zsh
# computer activity data collection for http://jehiah.cz/one-two/
# Originally by Jehiah Czebotar. This verison by Luca Spiller.

FILE="$HOME/Dropbox/activity_log/`hostname`-`date +%Y%m%d`.log"

function log_activity()
{
    local TIME=`date "+%Y-%m-%dT%H:%M:%S%z"`
    local IDLE=$((`/usr/sbin/ioreg -c IOHIDSystem | sed -e '/HIDIdleTime/!{ d' -e 't' -e '}' -e 's/.* = //g' -e 'q'` / 1000000000 ))

jehiah

#!/bin/sh
# computer activity data collection for http://jehiah.cz/one-two/
# by Jehiah Czebotar

FILE="activity_log/`date +%Y%m%d`.log"

function log_activity()
{
    local UTC=`date "+%s,%Z"`
    local IDLE=$((`/usr/sbin/ioreg -c IOHIDSystem | sed -e '/HIDIdleTime/!{ d' -e 't' -e '}' -e 's/.* = //g' -e 'q'` / 1000000000 ))

jehiah

#!/bin/sh
# This script takes a photo if the computer has not been idle for longer than a period of time
# it uses isightcapture from https://www.macupdate.com/app/mac/18598/isightcapture

[ -z "$USER" ] && echo "missing variable \$USER " && exit 1
if [ ! -d /Users/$USER/daily_photo ]; then
    mkdir -p $/Users/$USER/daily_photo
fi
IDLE=$((`/usr/sbin/ioreg -c IOHIDSystem | sed -e '/HIDIdleTime/!{ d' -e 't' -e '}' -e 's/.* = //g' -e 'q'` / 1000000000 ))
export SUDO_ASKPASS=/Users/$USER/bin/get_pass.sh

jtimberman

# Knife Configuration File.
#
# This is a Ruby DSL to set configuration parameters for Knife's
# general options. The default location for this file is
# ~/.chef/knife.rb. If multiple Chef repositories are used,
# per-repository configuration files can be created. A per repository
# configuration file must be .chef/knife.rb in the base directory of
# the Chef repository. For example,
#
#     ~/Development/chef-repo/.chef/knife.rb