terjesb

Configuring Meraki Client VPN in Linux

You can try the official Meraki Configuring Client VPN in Linux article for GUI based setup. For terminal based configuration, see below.

Install packages

Install the following packages:

• strongswan
• xl2tpd

terjesb

# adapted from http://spottedhyena.co.uk/centos-67-ipsecl2tp-vpn-client-unifi-usg-l2tp-server/
yum -y install epel # different on amazon linux
sudo yum -y install xl2tpd openswan
systemctl start ipsec.service
service ipsec start

# 'myserver.com' is just to help identify. these are all imported into /etc/ipsec.conf.

vim /etc/ipsec.d/myserver.com.conf # see next...

terjesb

{:paths ["."]
 :deps
 {com.datomic/datomic-free {:mvn/version "0.9.5656"}}}

terjesb

(ns cognician.db.translate
  (:require [datomic.api :as d])
  (:import [clojure.lang MapEntry]
           [datomic.query EntityMap]))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Language

(def default-language :en-GB)

terjesb

Latency Comparison Numbers
--------------------------
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

terjesb

(def payment-codes-per-block 4096)

(defn create-payment-code-feed
  [db]
  (let [payment-code-feed (chan 10)]
    (go-loop []
             (let [block-id (allocate-block db)
                   block-start (* block-id payment-codes-per-block)]
               (-> (onto-chan payment-code-feed
                              (->>

terjesb

Keybase proof

I hereby claim:

• I am terjesb on github.
• I am terjesb (https://keybase.io/terjesb) on keybase.
• I have a public key ASCs6Fb0IkKiaWnHlzmw-wss8s4NI5EUOs8k-wynxTREwgo

To claim this, I am signing this object:

terjesb

(ns bs.utils.mock-connection
  "Utilities for using Datomic"
  (:require [datomic.api :as d])
  (:use clojure.repl clojure.pprint)
  (:import (java.util.concurrent BlockingQueue LinkedBlockingDeque)
           (datomic Connection)))

(defrecord MockConnection
  [dbAtom, ^BlockingQueue txQueue]

terjesb

;; Adds support to Transit for emitting Joda DateTimes in the same format as standard java.util.Date.

;; Dependencies: [clj-time "0.9.0"] and [com.cognitect/transit-clj "0.8.259"] (newer version will likely still work)

(require '[cognitect.transit :as transit])
(require '[clj-time.coerce :as coerce])
(import '[java.io ByteArrayOutputStream])

(def ^:private joda-time-verbose-handler
  (transit/write-handler

terjesb

(use '[datomic.api :only [db q] :as d])

(def schema
  [{:db/doc "A persons name"
    :db/id #db/id[:db.part/db]
    :db/ident :name
    :db/valueType :db.type/string
    :db/cardinality :db.cardinality/one
    :db.install/_attribute :db.part/db}