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: "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
x in range(2, 50): if x not in noprimes: primes.append(x) However, you can use two list generators to simplify the code. noprimes = [j for i in range(2, 8) for j in range(i*2, 50, i)]primes = [x for x in range(2, 50) if x not in noprimes] The first line of code uses a multi-layer for loop in a list generator. The first cycle is an external loop, and the second is an internal loop. To locate the prime number, we first find a list of non-prime numbers. This non-Prime Number list is generated by
friendfeed into a news reader, marking the news for later reading. Friend feed remove visited links-permanently deletes the link you have accessed. The next page is automatically displayed when the friend feed pagerization fixer-scroll. Friend feed reshare links-allows you to share links in social media such as delicious, Digg, and Reddit in friendfeed. Friend feed easy unsubscribe-Add a cancel subscription button on the user page. Friend feed w
with other operating systems, for example, if you install Linux Mint on a computer that has a Windows system (Xp,vista or other) installed, It automatically detects and establishes a dual system boot for you to choose which system to start when booting. And you can access the Windows partition under Linux Mint.Linux Mint is a safe, stable, efficient and increasingly easy-to-operate system with excellent design."Editor's note" to bring up the Linux system, you may first think of Linux Mint and U
(Click the public number above for a quick follow-up) Turn from: Open source China Www.oschina.net/news/92822/ranking-programming-languages-by-github-users Recently, developers in Reddit released a post, content is through the GitHub user data analysis obtained by the programming language ranking list. The author argues that it would be interesting to calculate how many people on GitHub use each language to sort all programming languages. Let's take
primarily by Python. Reddit was originally written in Lisp, but six months after its release in December 2005, the site was re-written using Python. The main reason for changing the writing language is that Python has more code libraries and more flexibility in development. The web framework web.py, which originally ran the web site, is now an open source project. In an interview in 2009, Steve Huffman and Alexis Ohanian asked why
suggest you look at Mr. Crockford's video.Also, don't learn JavaScript from websites like Codecademy, because even if you know how to write a bunch of small snippets of JavaScript code, you can't learn how to build a Web application. Even so, I would recommend Codecademy as a supplementary learning resource later on.Resources for this courseUpdated: Reddit users d0gsbody April 8 set up a study group on the Reddit
development on the cloud. User recommendation Youcompleteme, recommended by Reddit user Hnasarat. It's a little bit cumbersome to install, but it supports very powerful grammar complements, including C, Ruby, Python, PHP, and many other languages. Ag, recommended by GCKJK, most Reddit users know it, this is an upgrade version of the ACK, speed 3 to 5 times times faster. It can read. Gitignore and. Hgign
online wallets, paper money packs and offline storage This is just a link and description of the distribution center. Please convert it from list mode to ecosystem. Here's an example that might explain paranoid practices and list potential risks. Mist ethereum Wallet Download version Mist ethereum Wallet Developer Preview-Basic blog post How to simply set up Ethereum mist wallet. -Tommy Economics Tutorial Kryptokit Jaxx Jaxx main website Mobile version Etherwall Etherwall website Etherwall sour
frees the developer's initiative, thus increasing the development efficiency, accelerating the application development iteration cycle.In addition to the Eclipse plugin described above, Bluemix can be used in conjunction with IBM DevOps Services to truly write, compile, and publish online, without having to configure any other environment outside of the browser, eliminating the need to install a configuration server or a background database. Because
/fstab 172.25.0.11/common/mnt/samba CIFS User=harry,pass=123,-netdev 0 03.mount-a Verification#df-H--------------------------------------------------------------------------------------------------------------- ------------------------Share read and write by Samba Modifying a configuration file #vim/etc/samba/smb.conf [DevOps]Path=/devopsWrite List =chihiro#mkdir/devops#echo Xuexue >/
related to information security that can be used to build a good perimeter to protect against and prevent XXX and data breaches.From the development process to the architectureThe idea of tightly integrating the development process with the ecosystem should be carefully considered. Adding this integrated requirement to the traditional set of requirements for the architecture (elasticity, scalability, availability, reliability, protection against threats, etc.) can greatly increase the value of
Web server Uwsgi-uwsgi Project, the goal is to develop a full stack of build hosting services Web Performance HAProxy-load balancer, SSL offload and performance optimizations, compression and generic web routing Varnish-HTTP-based Web application accelerator, focusing on memory optimization and compression WikisWiki software DokuWiki-Using a simple and highly versatile wiki, this does not require a database. Gollum-A simple, git-powered wiki with good API
deployment Services can be deployed independently Then the old King drew another picture:Cheng looked and said: "You are such a painting I probably understand, but the concept of DevOps in the picture I do not understand ah ...""This DevOps is a long story, you have time to check the information yourself first." ”"good." Now that I have an understanding of the concept of microservices archite
a matter of annoyance. Today, it's not just cloud computing that moves applications to the cloud, but also the evolving architecture of applications, including Docker,DevOps, and so on that are sweeping the application development community. Of course, how to quickly deploy an ever-increasing number of mobile applications, and the associated technologies are changing. These changes have brought great pressure on the network, which demands the network
to work. We will think: what is running in the container? What is the running performance of programs and codes? Does it have any important output indicators? From the perspective of DevOps, you need to have a deeper understanding of the container instead of simply knowing the existence of some containers.A typical measure in a non-container environment is to allow a proxy to run in the user space on the host or virtual machine, but this does not app
quickly publish application functions; Many enterprises have limited return in their SOA investments. SOA can reuse capabilities through standardized service interfaces. However, the demand for rapid changes is limited by the integral application, and sometimes it is insufficient; With the increasing popularity of application cloudification, applications born on the cloud have different technical genes and development and o M modes from traditional it. In addition, from the technical perspe
On Most of the Linux distribution IPV6 are enabled by default, which may cause your Internet are workding slow, so If your NE Twork do not supportor don't setup IPv6 network, you should better toDisable IPV6Protocal in the Linux system and it maybe increate your Web browsing speed or network security. So what do I-disable IPV6 on Linux operating system? This article would give you a guide for disabling IPV6 networking (linux Disable IPv6):What is IPv6? Internet Protocol version 6 (IPV6) is the l
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
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