dora devops

Familiar with these terms, job data center so easy (1) When applying for a job as a data center, how do you answer the tough questions from future employers? There are nine policies for your reference. 1. How to define a perfect data center? The main points of learning DevOps, change management, IT business agility, and other popular Data Center terms are to improve the backend technology and infrastructure to meet the needs and objectives of enterp

application.650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M00/86/80/wKioL1fBO0DQFhfZAAA2HQ6CQkE896.jpg-wh_500x0-wm_3 -wmp_4-s_4058209602.jpg "title=" duo.jpg "alt=" Wkiol1fbo0dqfhfzaaa2hq6cqke896.jpg-wh_50 "/>Cartridge How to createApache Stratos allows DevOps to create cartridge using a fully configured cartridge or generic cartridge approach. The above mentioned cartridge creation method is explained and analyzed in the following subsectio

One, ubuntu install git software1. Install Git and SSH[Email protected]:~$ sudo apt install git[email protected]:~$ sudo apt install ssh2. Configure GIT user information[email protected]:~$ git config--global user.name "Wangpengtai" [email protected]:~$ git config--global user.email] [emai L protected] "Attention:[Email protected]:~/devops$ git commit-m "Add centos6_security.sh" * * * * * * * me who is. Run git config--global user.email "[email protec

A rapidly changing World: Agile DevOps Because business requirements are the main drivers of change, do less, but do better and deliver faster, which is the difference between a leading enterprise and a successful enterprise and other enterprises. When competitors deliver related features faster than you, quality is better than you, then you end up losing market share. Making up for the lack of products by investing in sales and marketing campaigns

: "Admin"},{Role: "Root",DB: "Admin"}]}) 2. Create a DevOps user (read and write access):Db.createuser ({User: "DevOps",PWD: "2wsx#edc",Roles: [{role: ' Readwriteanydatabase ', db: ' admin '}]});Third, AUTH certification:1. Create an authentication fileOpenSSL rand-base64 >/home/mongodb/keyfile.dataCopy the/home/mongodb/keyfile.data to the other two-node directory:Scp/home/mongodb/keyfile.data [em

aggravate users' weakness. Chris Williams is the co-founder of the online book rental website BookRenter.com, which uses Opscode Chef. As a former programmer, Chris said: "I feel like I can't do anything in non-programming software ." This is not true for operators with limited programming skills, but Chris thinks this will limit their ability to work in the future. Looking at automated IT operations from a more developmental perspective is Chris's central idea of the "

an open source can be obtained, nor design, but long-term evolution to take root. Building a closed-loop feedback architectureFirst, share a link that has had the deepest impact on my architecture over the years. This article is about DevOps, but the same applies to system architecture: http://itrevolution.com/the-three-ways-principles-underpinning-devops/ This article describes the three pat

its own storage capacity and can have its own database. You can also have a consolidated database. Disadvantages of the MicroServices architecture MicroServices architectures can lead to excessive operations. Requires DevOps skills (HTTP://EN.WIKIPEDIA.ORG/WIKI/DEVOPS). Probably double the effort. Distributed systems can be complex and difficult to manage. Because the distribu

://mp.weixin.qq.com/s?__biz=MzAwMDU1MTE1OQ==mid=2653547585idx=1sn= 9a664b16f656f757632cd4eb29f9a5dcscene=0key= 8dcebf9e179c9f3adc43167de5469ee441c07c6fa549314bb4ac11c9a7709ff48602d9fdde549a7ab3494ba18355e193ascene=0 uin=mjk1odmyntyymg%3d%3ddevicetype=imac+macbookpro11%2c4+osx+osx+10.11.5+build (15F34) version= 11020201pass_ticket=rggvdhhtyixx2xfl%2bhx0nhdwk8t%2fqyfvsvkuvgc5ioljt5o%2bksdn%2fsm772kdjndjImportant: Perhaps only Youku is using the Redis cluster scheme on line. This article summarizes

article describes several storage solutions that combine with mesos depth, including local storage and distributed storage.Service High Availability Technology1. Reveal millions of people watching the Facebook video livehttps://mp.weixin.qq.com/s?__biz=MzAwMDU1MTE1OQ==mid=2653547390idx=1sn= c241c46b7c9eba70cd0324117835270ascene=0key= 77421cf58af4a6537aa4e93bcbe5437cb8216b95160f27385afeec465e691a0f64e3d94b21ccc48902d864e8468b04bbascene=0 uin=mjk1odmyntyymg%3d%3ddevicetype=imac+macbookpro11%2c4+o

on.Although the micro-service architecture has not been born long, its frequency in speeches, articles and books has made many people aware of its impact on the software architecture field.In fact, the birth of micro-services is not accidental. It is the rapid development of the Internet, agile, lean, continuous delivery methodology, the fast development of virtualization technology and DevOps culture, and the traditional monolithic architecture can

This article comes from NetEase cloud community. ObjectiveIn recent years, many Internet projects have changed from monomer service to micro-service trend, especially some complex architecture, business more extensive projects, micro-service is the trend, can solve a series of independent construction, update, operation and other issues, so as to liberate productivity, promote delivery efficiency and quality.At present, the NetEase Cloud container service team manages the micro-service in a

from SSD* 1,000,000 ns 1 ms 4X memoryDisk seek 10,000,000 ns 10 ms 20x datacenter roundtripRead 1 MB sequentially from disk 20,000,000 ns 20 ms 80x memory, 20X SSDSend packet CA->Netherlands->CA 150,000,000 ns 150 ms Notes-----1 ns = 10-9 seconds1 ms = 10-3 seconds* Assuming ~1GB/sec SSD Credit------By Jeff Dean: http://research.google.com/people/jeff/Originally by Peter Norvig: http://norvig.com/21-days.html#answers Contributions-------------Some updates from: https://gist.github.com/2843375Gr

This book is created by senior Wiecheng division, through a number of examples, detailed explanation of ansible this automated Maintenance tool basic principles and use of skills; from the basic architecture analysis, installation configuration, to the typical application case analysis, the author shared his work in the actual combat experience, for all types of operations, DevOps developers provide a detailed guide. The main contents of this book inc

Recently, Yelp's SRE engineer Dmitriy Samovskiy published an article titled "The Operation of the new Era", in which he briefly introduced changes in the focus and role of operations in the context of cloud computing.In fact, 6 years ago, Dmitriy wrote an article on the trend of DevOps, in which he argued that system administrators need to develop beyond simple scripts and focus on server stability and uptime. But over the past six years, with the dev

This is a creation in Article, where the information may have evolved or changed. Objective In the era of mobile Internet, new technologies need to support the environment, new software delivery process and it architecture, so as to realize the platform of architecture, delivery continuity and business service. Containers will become standard deliverables for next-generation applications, and the container cloud will help enterprise users build research and development processes and cloud platfo

goal is to provide for the next 2-4 years of technology development to pave, Lay the groundwork for the cloudnative transformation of applications and the DevOps practices of the entire technical team. Container cloud The first step is to achieve full lifecycle management of the application, enabling applications to go live, roll back, upgrade, expand/shrink, and offline. For historical reasons, some application configurations are coupled to the env

@ devops/tmp] $ git clone https://github.com/coleifer/huey.gitCloning into 'huine '...Remote: Counting objects: 1423, done.Remote: Compressing objects: 100% (9/9), done.Grouping objects: 34% (497/1423), 388.00 KiB | 29.00 KiB/s Grouping objects: 34% (498/1423), 628.00 KiB | 22.00 KiB/s Remote: Total 1423 (delta 0), reused 0 (delta 0)Grouping objects: 100% (1423/1423), 2.24 MiB | 29.00 KiB/s, done.Resolving deltas: 100% (729/729), done.Checking conne

advanced, easy-to-use, extensible Wiki engine with a full interactive wiki of community user Tiddlywiki-javascript Ōlelo Wiki-wiki for saving pages on git storage ResourcesA variety of resources, such as books, websites and articles, to enhance skills and knowledgeBlog Code as Craft-etsy's operations blog, a large number of technical blogs Devopsguys-devops Consultant, operation and maintenance blog Rackspa

Random.randint (1, 3) = = 1: Print (' OK ') Else: Print (' About to fail, would retry in seconds ') Raise Exception (' Crap something went wrong ') br> @huey. Task () Def slow (n): Time.sleep (n) print (' slept%s '% n) run.sh The code is as follows #!/bin/bashecho "HUEY CONSUMER"echo "-------------"echo "In another terminal, run ' python main.py '"echo "Stop the consumer using CTRL + C"Pythonpath=.: $PYTHONPATHPython.. /.. /huey/bin/huey_consumer.p