manuelmorales’s gists

manuelmorales / install_solr_340.sh

Created June 6, 2012 10:11

Installing Solr 3.4.0 in Ubuntu 11.10

	wget http://apache.rediris.es/lucene/solr/3.4.0/apache-solr-3.4.0.tgz
	tar zxvf apache-solr-3.4.0.tgz
	cd apache-solr-3.4.0/
	mkdir ../solr
	cp -r example/* ../solr/
	# cp -r ../ey-cloud-recipes/cookbooks/solr/files/default/conf/ ../solr/solr/
	mkdir ../solr/solr/lib
	cp dist/apache-solr-cell-3.4.0.jar ../solr/solr/lib/
	cp contrib/extraction/lib/*jar ../solr/solr/lib/
	cd ../solr

manuelmorales / format_pendrive.sh

Created June 3, 2012 11:47

Format pendrive Ubuntu

	# Guess which device is it
	$ sudo cat /etc/mtab \| grep /media/Pendrive
	/dev/sdb1 /media/Pendrive vfat rw,utf8,umask=007,gid=46 0 0

	# Unmount and format
	sudo umount /media/Pendrive
	sudo mkfs.vfat -n Pendrive -I /dev/sdb1

manuelmorales / delete_old_dirs.sh

Created May 28, 2012 07:32

Delete dirs older (last modified before) than a week

	# From http://systembash.com/content/delete-directories-older-than-week/
	for i in `find /home/backup/ -maxdepth 1 -type d -mtime +7 -print`; do echo -e "Deleting directory $i";rm -rf $i; done

manuelmorales / select_values.rb

Created May 23, 2012 13:32

How to make ActiveRecord return just an array of values

	User.connection.select_values User.select('id').to_sql
	# => [1,2,3,4]

manuelmorales / log_methods.rb

Created May 22, 2012 15:36

How to log every single call to a ruby instance

	# From http://stackoverflow.com/questions/5513558/executing-code-for-every-method-call-in-a-ruby-module
	class ChattyArray < Array
	Array.instance_methods.each do \|name\|
	m = instance_method(name)
	define_method name do \|*args, &block\|
	# puts caller.grep(/app_name/) if name == :certain_method
	puts ([name] + args).inspect
	m.bind(self).(*args, &block)
	end
	end

manuelmorales / ssh_keys_examples.sh

Last active October 4, 2015 23:47

Common ssh keys operations

	# Generate fingerprint from public key
	ssh-keygen -lf id_rsa.pub

	# Forward keys
	# ~/.ssh/config
	host *
	ForwardAgent yes

	# Make forwarded keys available to root
	sudo su -l -c "export SSH_AUTH_SOCK=$SSH_AUTH_SOCK; bash"

manuelmorales / nslookup_example.rb

Last active October 4, 2015 22:58

Resolve DNS with the command line

manuelmorales / merge_only_one_file_from_another_branch.sh

Created May 10, 2012 10:15

How to merge just one file from a another branch with Git

	## Lets suppose that we want to merge path/to/my/file.txt from branch_a into branch_b

	# We start in branch_b
	git checkout branch_b

	# We create an intermediate branch
	git checkout -b intermediate_branch

	# We merge merge_a into that
	git merge branch_a

manuelmorales / gist:2558759

Created April 30, 2012 14:24 — forked from lennart/gist:1717337

A Gentoo startup script for the newrelic server monitor daemon

	#!/sbin/runscript
	# Copyright 1999-2012 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	# $Header: $

	depend() {
	need net
	}

	start() {

manuelmorales / audio_to_mp3.rb

Created April 27, 2012 21:57

Reencode audio of an AVI to MP3

	#!/usr/bin/ruby

	ARGV.each do \|input_f\|
	everything_ok = true

	# Escapes single quotes
	input_f = input_f.split("'").join("\'\\'\'")

	# Extracts the file name without extension
	file_name = input_f.split(".")[0..-2].join(".")

Manuel Morales manuelmorales