Peter Vandenberk pvdb
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pvdb
/ git-rev-diff
Last active
July 12, 2023 21:26
Run the same command against two git revisions, and diff the output
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| #!/usr/bin/env bash | |
| # | |
| # INSTALLATION | |
| # | |
| # ln -s ${PWD}/git-rev-diff $(brew --prefix)/bin/ | |
| # sudo ln -s ${PWD}/git-rev-diff /usr/local/bin/ | |
| # | |
| # check command-line options |
pvdb
/ SSLPoke.java
Created
May 18, 2016 19:21
— forked from 4ndrej/SSLPoke.java
Test of java SSL / keystore / cert setup. Check the commet #1 for howto.
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| import javax.net.ssl.SSLSocket; | |
| import javax.net.ssl.SSLSocketFactory; | |
| import java.io.*; | |
| /** Establish a SSL connection to a host and port, writes a byte and | |
| * prints the response. See | |
| * http://confluence.atlassian.com/display/JIRA/Connecting+to+SSL+services | |
| */ | |
| public class SSLPoke { | |
| public static void main(String[] args) { |
pvdb
/ validate_external_urls.sh
Last active
March 4, 2017 09:01
Shell script to extract and validate external URLs found in Seedy content files
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| #!/usr/bin/env sh | |
| # | |
| # install GNU grep (`/usr/local/bin/ggrep`)... | |
| # | |
| # brew tap homebrew/dupes; brew install grep | |
| # | |
| # usage - ensure `${PROJECTS_HOME}` is set... | |
| # | |
| # find ${PROJECTS_HOME}/seedy/content -name '*.md' | ./validate_external_urls.sh > seedy_external_urls.tsv |
pvdb
/ process_tcp.rb
Last active
August 29, 2015 14:25
Get the number of TCP connections owned by current Ruby process
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| # | |
| # This first version should work on Mac OS X and Linux, but it spawns a process | |
| # | |
| # the number of TCP connections owned by the process. | |
| def Process.tcp_count() `lsof -l -n -P -p #{Process.pid} -a -i tcp | egrep -v '^COMMAND' | wc -l`.chomp.to_i ; end |
pvdb
/ ruby_repl.rb
Last active
August 29, 2015 14:25
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| #!/usr/bin/env ruby | |
| require 'pp' | |
| def ruby_repl processor = nil | |
| unless (processor && Proc === processor) || block_given? | |
| warn "Please invoke `ruby_repl` with a block or a proc..." | |
| else | |
| in_pry = Kernel.const_defined?("Pry::ColorPrinter") | |
| cmd_count = 0 # for use in the command prompt |
pvdb
/ proxy.rb
Last active
August 29, 2015 14:24
— forked from torsten/proxy.rb
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| #!/usr/bin/env ruby | |
| # A quick and dirty implementation of an HTTP proxy server in Ruby | |
| # because I did not want to install anything. | |
| # | |
| # Copyright (C) 2009-2014 Torsten Becker <[email protected]> | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining | |
| # a copy of this software and associated documentation files (the | |
| # "Software"), to deal in the Software without restriction, including | |
| # without limitation the rights to use, copy, modify, merge, publish, |
pvdb
/ 70-available-updates-incl-age.rb
Last active
September 15, 2021 00:22
determine and print out the age of the oldest and the age of the most recent security update
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| #!/usr/bin/env ruby | |
| # | |
| # This script can be used to patch the following script on an Amazon Linux AMI: | |
| # | |
| # /etc/update-motd.d/70-available-updates | |
| # | |
| # which is run by cron on a daily basis to add package update info to the MOTD: | |
| # | |
| # 19 package(s) needed for security, out of 160 available |
pvdb
/ determine_home.rb
Created
June 11, 2014 13:40
Get current user's home directory, even if ${HOME} isn't set in env
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| # as a String | |
| HOME = ENV['HOME'] || File.expand_path("~#{Etc.getlogin}") | |
| # as a Pathname | |
| HOME = Pathname.new(ENV['HOME'] || File.expand_path("~#{Etc.getlogin}")) |
pvdb
/ gem-reset.rb
Last active
December 23, 2015 00:29
— forked from nixpulvis/gem-reset
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| #!/usr/bin/env ruby | |
| # Remove all gems EXCEPT defaults :) | |
| `gem list -d`.split(/\n\n^(?=\w)/).each do |data| | |
| match = data.match(/(?<name>([^\s]+)) \((?<versions>.*)\)/) | |
| name = match[:name] | |
| versions = match[:versions].split(', ') | |
| if match = data.match(/^.*\(([\d\.]*),? ?default\): .*$/) | |
| next if match[1].empty? # it's the only version if this match is empty |
pvdb
/ process_rss.rb
Last active
December 14, 2022 10:50
Get real memory (resident set) used by current Ruby process
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| # | |
| # This first version should work on Mac OS X and Linux, but it spawns a process | |
| # | |
| # http://stackoverflow.com/questions/7220896/ | |
| # https://github.com/rdp/os/blob/master/lib/os.rb#L127 | |
| # http://www.ruby-doc.org/core-2.0/Process.html | |
| # | |
| # A better - but more complicated - way to achieve the same is documented here: | |
| # | |
| # https://build.betterup.com/tracking-a-processs-memory-usage-in-ruby/ |