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While working on a load testing tool in Go, I ran into a situation where I was seeing tens of thousands of sockets in the TIME_WAIT state. Here are a few ways to get into this situation and how to fix each one. Repro #1: Create excessive TIME_WAIT connections by forgetting to read the response body Run the following code on a linux machine: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
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Explore Azure Get to know Azure Discover secure, future-ready cloud solutionsâon-premises, hybrid, multicloud, or at the edge Global infrastructure Learn about sustainable, trusted cloud infrastructure with more regions than any other provider Cloud economics Build your business case for the cloud with key financial and technical guidance from Azure Customer enablement Plan a clear path forward fo
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Electronic Circuit Board via Creativity103 licensed under Creative Commons. Cropped. If you are are an engineer whose organization uses Linux in production, I have two quick questions for you: 1) How many unique outbound TCP connections have your servers made in the past hour? 2) Which processes and users initiated each of those connections? If you can answer both of these questions, fantastic! Yo
DatArcs Is Aiming For Dynamically-Tuned, Self-Optimizing Linux Servers Written by Michael Larabel in Operating Systems on 21 November 2016 at 02:24 PM EST. 9 Comments DatArcs is a new software start-up aiming to provide software to dynamically tune Linux servers for maximum performance and energy efficiency in the data-center. The DatArcs optimizer analyzes the server's workload over time and opti
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SECURITY AFFAIRS MALWARE NEWSLETTER â ROUND 9 | Security Affairs newsletter Round 487 by Pierluigi Paganini â INTERNATIONAL EDITION | Fortra fixed two severe issues in FileCatalyst Workflow, including a critical flaw | South Korea-linked group APT-C-60 exploited a WPS Office zero-day | Threat actors exploit Atlassian Confluence bug in cryptomining campaigns | Russia-linked APT29 reused iOS and Chr
Youâve heard that Redis has an embedded scripting language, but havenât given it a try yet? Hereâs a tour of what you need to understand to use the power of Lua with your Redis server. Hello, Lua! Our first Redis Lua script just returns a value without actually interacting with Redis in any meaningful way: This is as simple as it gets. The first line sets up a local variable with our message, and
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@pandax381ã§ããæ¬æ¥ãKeepalived ã®æ°ãã¼ã¸ã§ã³ 1.3.0 ããªãªã¼ã¹ããã¾ããããã¿ãªãããã¼ã¸ã§ã³ã¢ããã¯ãæ¸ã¿ã§ããï¼ 2016-11-20 | Release 1.3.0 New MAJOR release with stabilization fixes. Support to DBus. Conf extensions. Parser error log. Security extensions to run scripts more secure. Refer to ChangeLog for more infos. ï¼éçº ML ã¸ã®ã¢ãã¦ã³ã¹ã§ã¯ 2.0.0 ãè¿ã ãªãªã¼ã¹ããããã¨ãäºåããã¦ãã¾ãï¼ this quick email to announce new major keepalived release. We are planing
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Why FastlyProductsServicesSolutionsDevelopersPartnersResourcesPricing Solving VCL auth & feature flags at the edge | FastlyIn âHow to solve anythingâ parts 1 and 2, we outlined how to use Varnish Configuration Language (VCL) to address some of your more challenging problems. In this post, weâll discuss how Andrew Betts of the Financial Times uses advanced VCL to securely cache and serve authentica
docker run -e 'ACCEPT_EULA=Y' \ -e 'SA_PASSWORD=P@55w0rd' \ -p 1433:1433 \ -d \ -v $(pwd):/var/opt/mssql/ \ --name mssql \ microsoft/mssql-server-linux æ¬å®¶ã®è¨äºã«ããã³ãã³ãã©ã¤ã³ããã®ã¾ã¾ã³ãã¼ããã¨ãå¤ãªæååãå ¥ã£ã¦ããå ´åãããã®ã§ãè²¼ãä»ãããã¨ã¯æ³¨ææ·±ã確èªãã¦ãã ããã ç°å¢å¤æ°ã¨ãã¦ãSQLèªè¨¼ã®SAã¦ã¼ã¶ã«å¯¾ãããã¹ã¯ã¼ããè¨å®ãã¦ãã¾ããããã¹ã¯ã¼ãã¯è¤éã§ããå¿ è¦ãããã¾ãã è¨äºã®ä¸ã®æ¹ã«ãããªã³ã¡ã³ããã¤ãã¦ã¾ãã It's also worth noting that the docker image requires passwords to match the SQL Server password val
How to use them If you just want the TTF files, run git clone https://go.googlesource.com/image and copy them from the subsequent image/font/gofont/ttfs directory. If you want to use Go (the fonts) with Go (the software), each font is provided by a separate package. To use the Go Regular font in a program, import golang.org/x/image/font/gofont/goregular, and write: font, err := truetype.Parse(gore
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Blog Sunday, November 6th, 2016 Most online tutorials for setting up a slave replication database involve dumping and loading the database on the master with mysqldump. Unfortunately, loading data with mysqldump can be very slow. My friend Cris suggest a much faster method using rsync. Benefits The benefits of this method are: Very fast setup of a slave by avoiding having to load a logical dump in
As a small disclaimer: I am a PHP developer in my day job and I love PHP. This is in no way a criticism of PHP. I wanted to start using a password manager, since iâve heard a lot about them and a lot of good things. The first one coming to my mind was LastPass because I have heard it somewhere on reddit or so before. After creating an account, I wanted to add 2-Factor-Authentication, because losin
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