dragolabs

FWIW: I'm not the author of the content presented here (which is an outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

dragolabs

Find the original here article here: Devops Best Practices

DevOps started out as "Agile Systems Administration". In 2008, Andrew Shafer did a talk called "Agile Infrastucture" addressing issues around involving more of the company in the same disciplines as programmers.

In 2009, Patrick Debois created "DevOpsDays" conference to help to bring it to light. However, it wouldn't begin to trend until about 2010, when people would begin to describe it as a standalone discipline.

Today, DevOps goes beyond just developers, systems administration and infrastructure, its about [dev, ops, agile, cloud

dragolabs

(defn response
  ([status body]
   {:status  status
    :headers {}
    :body    body}))

(defmacro http-status [code sym]
  `(def ~sym (partial response ~code)))

(defmacro http-statuses [& pairs]

dragolabs

How to Change Open Files Limit on OS X and macOS

This text is the section about OS X Yosemite (which also works for macOS Sierra) from https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/#mac-os-x

The last time i visited this link it was dead (403), so I cloned it here from the latest snapshot in Archive.org's Wayback Machine https://web.archive.org/web/20170523131633/https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/

Mac OS X

To check the current limits on your Mac OS X system, run:

dragolabs

# pip install logentries-lecli
# then configure as per https://blog.logentries.com/2016/07/introduction-to-the-logentries-command-line-interface/

# logsets with logs in them
lecli get logs | jq -r '.logs[].logsets_info[].id' | sort -u > have_logs

# all logset ids
lecli get logsets | jq -r '.logsets[] | .id' | sort > logsets

for ls in $(comm logsets have_logs | grep -v "$(printf '\t')")

dragolabs

#!/bin/sh

wget http://www.eu.apache.org/dist/maven/maven-3/3.5.0/binaries/apache-maven-3.5.0-bin.tar.gz
tar xzf apache-maven-3.5.0-bin.tar.gz
mkdir /opt/maven
mv apache-maven-3.5.0/ /opt/maven/
alternatives --install /usr/bin/mvn mvn /opt/maven/apache-maven-3.5.0/bin/mvn 1
alternatives --config mvn

dragolabs

#!/bin/bash
# http://archives.postgresql.org/pgsql-admin/2010-05/msg00285.php
# Output lines suitable for sysctl configuration based
# on total amount of RAM on the system.  The output
# will allow up to 50% of physical memory to be allocated
# into shared memory.

# On Linux, you can use it as follows (as root):
#
# ./shmsetup >> /etc/sysctl.conf

dragolabs

# First install tmux
brew install tmux

# For mouse support (for switching panes and windows)
# Only needed if you are using Terminal.app (iTerm has mouse support)
Install http://www.culater.net/software/SIMBL/SIMBL.php
Then install https://bitheap.org/mouseterm/

# More on mouse support http://floriancrouzat.net/2010/07/run-tmux-with-mouse-support-in-mac-os-x-terminal-app/

dragolabs

#!/bin/bash

while getopts a:bc: flag; do
  case $flag in
    a)
      opt_a=$OPTARG
      ;;
    b)
      opt_b=1
      ;;

dragolabs

server {
	index index.php;
	set $basepath "/var/www";

	set $domain $host;

	# check one name domain for simple application
	if ($domain ~ "^(.[^.]*)\.dev$") {
		set $domain $1;
		set $rootpath "${domain}";