sergey sagolubev

## devops_best_practices.md

      
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                jpswade
                / devops_best_practices.md
            
            
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              May 3, 2024 11:49
            
              
                Devops Best Practices Checklist
              
          
    Find the original here article here: Devops Best Practices

DevOps started out as "Agile Systems Administration". In 2008, at the Agile Conference in Toronto, Andrew Shafer posted an offer to moderate an ad hoc "Birds of a Feather" meeting to discuss the topic of "Agile Infrastructure". Only one person showed up to discuss the topic: Patrick Debois. Their discussions and sharing of ideas with others advanced the concept of "agile systems administration". Debois and Shafer formed an Agile Systems Administrator group on Google, with limited success. Patrick Debois did a presentation called "Infrastructure and Operations" addressing

  
## .0-packer-ansible-wls.md

      
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                zaenk
                / .0-packer-ansible-wls.md
            
            
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              February 18, 2023 18:38
            
              
                Packer, Hyper-V, Ansible, Windows, WLS
              
          
    Create Linux images on Windows with Packer

Prerequisites:

Windows 10 Pro
WLS, Ubuntu 16.04 (a.k.a.: Bash on Ubuntu on Windows)
Hyper-V
Packer (1.0.0, added to path)
Ansible (2.3.0, installed on WSL)
qemu-img (2.3.0, added to path)


## haproxy.sh
# install haproxy
yum install -y haproxy

# config haproxy for rabbitmq
cat > /etc/haproxy/haproxy.cfg << "EOF"
global
  log 127.0.0.1 local0 notice

  maxconn 10000
  user haproxy

## human_log.py
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#

## iterm2-solarized.md

      
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                kevin-smets
                / iterm2-solarized.md
            
            
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                iTerm2 + Oh My Zsh + Solarized color scheme + Source Code Pro Powerline + Font Awesome + [Powerlevel10k] - (macOS)
              
          
    Default


Powerlevel10k


## latency.txt
Latency Comparison Numbers (~2012)
----------------------------------
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
	# install haproxy
	yum install -y haproxy

	# config haproxy for rabbitmq
	cat > /etc/haproxy/haproxy.cfg << "EOF"
	global
	log 127.0.0.1 local0 notice

	maxconn 10000
	user haproxy
	# This program is free software: you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	Latency Comparison Numbers (~2012)
	----------------------------------
	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