curl https://gist.github.com/raw/970438/caff9a09ed2d223b1123a69ede17cb19ad352af9/build.sh | sh
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#!/bin/sh | |
# | |
# redis - this script starts and stops the redis-server daemon | |
# | |
# chkconfig: - 85 15 | |
# description: Redis is a persistent key-value database | |
# processname: redis-server | |
# config: /etc/redis/redis.conf | |
# config: /etc/sysconfig/redis | |
# pidfile: /var/run/redis.pid |
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# Regular Expression Validation for IPv6 addresses in Ruby | |
# | |
# Inspired by (if not to say copied from): http://forums.dartware.com/viewtopic.php?t=452 | |
# Thanks, Dartware! | |
IPV6_REGEX = /^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f |
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include $(GOROOT)/src/Make.inc | |
GOFMT=gofmt -spaces=true -tabindent=false -tabwidth=4 | |
all: | |
$(GC) jsontest.go | |
$(LD) -o jsontest.out jsontest.$O | |
format: | |
$(GOFMT) -w jsontest.go |
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tshark -G|grep -i mysql|tr "\t" "\n"|grep "^mysql"|sort -u|awk 'BEGIN{ ORS=" "; print "tshark -tad -Nn port 3306"} {print "-z \"proto,colinfo,"$1","$1"\"" } END{ print "|sed -e \"s# == #:#g\" -e \"s#mysql.##g\"" }' > readmysql | |
chmod a+rx readmysql | |
./readmysql | |
# View all the good stuff about each packet. |
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var restify = require('restify'); | |
///--- Globals | |
var NotAuthorizedError = restify.NotAuthorizedError; | |
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{ | |
"handlers": { | |
"default": { | |
"type": "set", | |
"handlers": ["mailer", "json"] | |
}, | |
"mailer": { | |
"type": "pipe", | |
"command": "/etc/sensu/handler/mailer.rb" | |
}, |
- Install getmail (aptitude install getmail4)
- Set Up Your Imap Server (tl;dr)
- getmail
ruby date_based_archive.rb ~/Maildir/.Archive
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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#!/bin/bash | |
# Script for placing sudoers.d files with syntax-checking | |
# Making a temporary file to contain the sudoers-changes to be pre-checked | |
TMP=$(mktemp -t vagrant_sudoers) | |
cat /etc/sudoers > $TMP | |
cat >> $TMP <<EOF | |
# Allow passwordless startup of Vagrant when using NFS. | |
Cmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/su root -c echo '*' >> /etc/exports |
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