sholloway

#create a gist
#setting up sshd on Ubuntu 10.10
sudo apt-get install openssh-client openssh-server

# create the keys
sudo ssh-keygen -b 1024 -t rsa1 -f /etc/ssh/ssh_host_rsa_key -N ""
sudo ssh-keygen -b 1024 -t dsa -f /etc/ssh/ssh_host_dsa_key -N ""
sudo ssh-keygen -b 521 -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ""

#give permissions to the key files

sholloway

sudo netstat -lnp --inet

sholloway

# some help
# http://www.linuxized.com/2010/05/switching-from-gnu-screen-to-tmux/
# http://blog.hawkhost.com/2010/07/02/tmux-–-the-terminal-multiplexer-part-2/#modifying-tab-color

# Set the prefix key to Cntrl+a
unbind C-b
set-option -g prefix "C-a"
bind-key "C-a" send-prefix

# Set status bar

sholloway

sudo dpkg --get-selections
# dpkg --list
# dpkg --info packageName
# apt-get remove packageName

sholloway

"Set up searching
set incsearch
set ignorecase
set smartcase

"Always have some padding on scrolling
set scrolloff=2

"turn on sytnax highlighing by default
syntax on

sholloway

ln -sf /usr/lib/python2.7/dist-packages/OpenSSL lib/python2.7

sholloway

sudo apt-get install python-software-properties
sudo add-apt-repository "deb http://build.discursive.com/apt/ lucid main"
sudo apt-get update
sudo apt-get install maven

sholloway

L1 cache reference                            0.5 ns
Branch mispredict                             5   ns
L2 cache reference                            7   ns             14x L1 cache
Mutex lock/unlock                            25   ns
Main memory reference                       100   ns             20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy              3,000   ns
Send 1K bytes over 1 Gbps network        10,000   ns    0.01 ms
Read 4K randomly from SSD               150,000   ns    0.15 ms
Read 1 MB sequentially from memory      250,000   ns    0.25 ms
Round trip within same datacenter       500,000   ns    0.5  ms

sholloway

framework "Quartz"

# Available Categories:
=begin
KCICategoryDistortionEffect - Distortion effects, such as bump, twirl, hole
KCICategoryGeometryAdjustment - Geometry adjustment, such as affine transform, crop, perspective transform
KCICategoryCompositeOperation - Compositing, such as source over, minimum, source atop, color dodge blend mode
KCICategoryHalftoneEffect - Halftone effects, such as screen, line screen, hatched
KCICategoryColorAdjustment - Color adjustment, such as gamma adjust, white point adjust, exposure
KCICategoryColorEffect - Color effect, such as hue adjust, posterize

sholloway

framework "Quartz"
puts "Image I/O Input Formats:"
can_read_from = CGImageSourceCopyTypeIdentifiers()
CFShow(can_read_from)
puts " "

puts "Image I/O Output Formats:"
can_write_to = CGImageDestinationCopyTypeIdentifiers()
CFShow(can_write_to)