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Nirmal Thacker 7hacker

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7hacker / latency.txt
Last active February 3, 2017 02:10 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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
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7hacker / ufw.md
Created June 28, 2017 23:59 — forked from kimus/ufw.md
NAT and FORWARD with Ubuntu’s ufw firewall

UFW

I use Ubuntu’s Uncomplicated firewall because it is available on Ubuntu and it's very simple.

Install UFW

if ufw is not installed by default be sure to install it first.

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7hacker / vpn-ipsec-network-options.md
Created July 12, 2017 19:00 — forked from hauntedhost/vpn-ipsec-network-options.md
Private mesh network options
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7hacker / README.md
Created July 28, 2017 08:24 — forked from carlessanagustin/README.md
Testing: Install Consul in Vagrant machines

forked from https://github.com/hashicorp/consul/tree/master/demo/vagrant-cluster

Vagrant Consul Demo

This demo provides a very simple Vagrantfile that creates 3 nodes, one at "172.20.20.10", "172.20.20.11" and "172.20.20.12". Both are running a standard Ubuntu distribution and the script will install Consul and Web UI in all of them.

To get started, you can start the cluster by just doing:

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7hacker / understanding-word-vectors.ipynb
Created May 21, 2018 16:47 — forked from aparrish/understanding-word-vectors.ipynb
Understanding word vectors: A tutorial for "Reading and Writing Electronic Text," a class I teach at ITP. (Python 2.7) Code examples released under CC0 https://creativecommons.org/choose/zero/, other text released under CC BY 4.0 https://creativecommons.org/licenses/by/4.0/
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7hacker / one-liner.md
Created July 3, 2020 02:00 — forked from wookietreiber/one-liner.md
collection of linux one-liner commands
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7hacker / gist:481af104086d852df9698f5b536d6d1e
Created March 17, 2021 05:42
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