tovbinm
/ mass_alarms.rb
Created
December 7, 2012 19:57
Mass Alarms - a tool for creating/updating a large amount of AWS CloudWatch metric alarms
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| require 'rubygems' | |
| require 'aws-sdk' | |
| puts "\nLoading instances..." | |
| if File.exist?('instances.yaml') | |
| instances_by_id = YAML.load_file('instances.yaml') | |
| puts "Loaded %d instances from instances.yaml" % [instances_by_id.count] | |
| else | |
| instances_by_id = Hash.new | |
| ec2 = AWS::EC2.new |
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| 1. Install all the required libraries: | |
| sudo apt-get update && sudo apt-get -y install \ | |
| unzip \ | |
| perl \ | |
| wget \ | |
| curl \ | |
| make \ | |
| ncftp \ | |
| liburi-perl \ |
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| http://virtual-machine.org/debian-6-amd64-x86_64-vmware-image-download |
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| #!/bin/bash | |
| EC2_DIR=/usr/local/ec2 | |
| wget http://s3.amazonaws.com/ec2-downloads/ec2-api-tools.zip -O ec2-api-tools.zip | |
| wget http://s3.amazonaws.com/ec2-downloads/ec2-ami-tools.zip -O ec2-ami-tools.zip | |
| mkdir -p $EC2_DIR | |
| rm -rf $EC2_DIR/* | |
| unzip -o -d $EC2_DIR ec2-api-tools.zip | |
| unzip -o -d $EC2_DIR ec2-ami-tools.zip | |
| cp -r $EC2_DIR/ec2-api-tools*/* $EC2_DIR | |
| cp -r $EC2_DIR/ec2-ami-tools*/* $EC2_DIR |
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| echo "sun-java6-jdk shared/accepted-sun-dlj-v1-1 boolean true" | debconf-set-selections | |
| DEBIAN_FRONTEND=noninteractive aptitude install -y -f sun-java6-jre sun-java6-bin sun-java6-jdk |
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| Some tests... | |
| Number of unique paths from (0,0) to (0,0) on board of size 1x1 is 1 | |
| Number of unique paths from (0,0) to (1,1) on board of size 2x2 is 2 | |
| Number of unique paths from (0,0) to (2,2) on board of size 3x3 is 12 | |
| Number of unique paths from (0,0) to (3,3) on board of size 4x4 is 184 | |
| Number of unique paths from (0,0) to (4,4) on board of size 5x5 is 8512 |
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| sudo vim /etc/sysctl.conf | |
| #Increase ephemeral port range | |
| net.inet.ip.portrange.first=32768 | |
| #Decrease closing timeout | |
| net.inet.tcp.msl=1000 |
tovbinm
/ Disable
Created
July 12, 2012 07:06
SSD Trim Support on Mac OS Lion - For non SandForce 2 controllers ONLY!!! - Check here - http://en.wikipedia.org/wiki/SandForce#SSDs
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| sudo perl -pi -e 's|(\x52\x6F\x74\x61\x74\x69\x6F\x6E\x61\x6C\x00).{9}(\x00\x51)|$1\x41\x50\x50\x4C\x45\x20\x53\x53\x44$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage | |
| sudo kextcache -system-prelinked-kernel | |
| sudo kextcache -system-caches | |
| sudo cp /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage.original /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage |
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| Add "user_pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20120427 Firefox/15.0a1");" | |
| to prefs file: /usr/lib/firefox/defaults/pref/channel-prefs.js |
tovbinm
/ gist:2990642
Created
June 25, 2012 19:15
Fixing Home, End, Page Up, and Page Down in Leopard’s Terminal
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| Terminal -> Preferences -> Settings -> Keyboard tab | |
| Home - \001 (or press Ctrl+a) | |
| End - \005 (or press Ctrl+e) | |
| Page Up - \033[5~ | |
| Page Down - \033[6~ |