tkuchiki

#!/bin/sh

# $1 : password

set +o posix # require process substitution
HASH='$6$'`sha1sum <(date) | awk '{print $1}'`
set -o posix

python -c "import crypt; print crypt.crypt(\"${1}\", \"${HASH}\")";

tkuchiki

# http://stackoverflow.com/questions/9676113/lua-os-execute-return-value

local handle = io.popen("ls")
local result = handle:read("*a")
handle:close()

print(result)

tkuchiki

# http://y-ken.hatenablog.com/entry/apache-tips-ltsv-access-log

LogFormat "host:%h\tident:%l\tuser:%u\ttime:%{%Y-%m-%dT%H:%M:%S%z}t\tmethod:%m\turi:%U%q\tprotocol:%H\tstatus:%>s\tsize:%b\tresponse_time:%D\trefer:\"%{Referer}i\"\tuser_agent:\"%{User-Agent}i\"" ltsv

tkuchiki

# 実行時間(time)
mysqldumpslow -s t /path/to/log

# 平均実行時間(average time)
mysqldumpslow -s at /path/to/log

# ロック時間(lock time)
mysqldumpslow -s l /path/to/log

# 平均ロック時間(average lock time)

tkuchiki

# 1.4.14
yum install -y perl-AnyEvent perl-YAML
rpm -ivh ftp://rpmfind.net/linux/dag/redhat/el6/en/x86_64/extras/RPMS/memcached-1.4.14-1.el6.rfx.x86_64.rpm
mkdir /var/run/memcached
service memcached start

# 1.4.15
rpm -ivh ftp://rpmfind.net/linux/remi/enterprise/6/remi/x86_64/memcached-1.4.15-2.el6.remi.x86_64.rpm

## remi

tkuchiki

# RPM GPG KEY
 rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi

# el5
rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-5.rpm

# el6
rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

tkuchiki

#!/bin/sh

## /path/to/retrieve_working_directory.sh
DIR=`dirname $0`

echo $DIR # /path/to

tkuchiki

#!/usr/bin/ruby

require 'nokogiri'

@file = File.open("/path/to/test.xml")
@xml = Nokogiri::XML(@file)
@file.close

@xml.at("hoge").children.remove
puts "# remove hoge children"

tkuchiki

# dstat
yum intall -y dstat

# iostat, sar ...
yum install -y sysstat

tkuchiki

# el5
rpm --import http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-5
rpm -ivh http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm

# el6
rpm --import http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6
rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm