{"id":2235,"date":"2020-12-22T10:48:57","date_gmt":"2020-12-22T09:48:57","guid":{"rendered":"https:\/\/www.nico-maas.de\/?p=2235"},"modified":"2020-12-22T10:49:08","modified_gmt":"2020-12-22T09:49:08","slug":"win10-random-ports-blocked-while-using-docker-wsl-hyperv","status":"publish","type":"post","link":"https:\/\/www.nico-maas.de\/?p=2235","title":{"rendered":"[Win10] Random ports blocked while using Docker \/ WSL \/ HyperV"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I have been using Windows Subsystem for Linux (WSL) and Docker on my Laptop since a long time. And during last Docker Con, WSL 2 was released to which I switched instantly - which I did not regret.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(Note: Upgrading to WSL 2 and the native Docker for WSL 2 version will cost you your containers and Docker images, there is even a Thanos meme coming around - so I have to give this fair warning ;))<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However: Said Laptop started acting strange as suddenly local MariaDB instances or Apache2 did cease to work and even some nodeJS projects on port 9000. All these ports were not taken directly by any application, but somehow it did not work anymore. It turns out that a <a href=\"https:\/\/github.com\/microsoft\/WSL\/issues\/5514\" target=\"_blank\" rel=\"noreferrer noopener\">faulty HyperV update<\/a> led to the hypervisor reserving too many ports across the board.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Luckily there is a solution to correct this issue as shown <a href=\"https:\/\/github.com\/docker\/for-win\/issues\/3171#issuecomment-554587817\" title=\"https:\/\/github.com\/docker\/for-win\/issues\/3171#issuecomment-554587817\" rel=\"noreferrer noopener\" target=\"_blank\">here <\/a>by Christopher Pietrzykowski.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To make it easy and fast: Open up a powershell or cmd prompt as admin user and enter<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netsh int ipv4 show dynamicport tcp\nnetsh int ipv6 show dynamicport tcp<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">If it comes up with startport 1025 and a huge number of reserved ports, you are experiencing the same problem. Please enter these commands to realign the startport to 49152 for both IPv4 and IPv6<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netsh int ipv4 set dynamic tcp start=49152 num=16384\nnetsh int ipv6 set dynamic tcp start=49152 num=16384<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">after a reboot, everything should be fixed again \ud83d\ude42<\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-small\"><li class=\"shariff-button printer shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"javascript:window.print()\" title=\"print\" aria-label=\"print\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 32\"><path fill=\"#999\" d=\"M6.8 27.4h16v-4.6h-16v4.6zM6.8 16h16v-6.8h-2.8q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-11.4v11.4zM27.4 17.2q0-0.5-0.3-0.8t-0.8-0.4-0.8 0.4-0.3 0.8 0.3 0.8 0.8 0.3 0.8-0.3 0.3-0.8zM29.7 17.2v7.4q0 0.2-0.2 0.4t-0.4 0.2h-4v2.8q0 0.7-0.5 1.2t-1.2 0.5h-17.2q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-4q-0.2 0-0.4-0.2t-0.2-0.4v-7.4q0-1.4 1-2.4t2.4-1h1.2v-9.7q0-0.7 0.5-1.2t1.2-0.5h12q0.7 0 1.6 0.4t1.3 0.8l2.7 2.7q0.5 0.5 0.9 1.4t0.4 1.6v4.6h1.1q1.4 0 2.4 1t1 2.4z\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"mailto:?body=https%3A%2F%2Fwww.nico-maas.de%2F%3Fp%3D2235&subject=%5BWin10%5D%20Random%20ports%20blocked%20while%20using%20Docker%20%2F%20WSL%20%2F%20HyperV\" title=\"Send by email\" aria-label=\"Send by email\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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And during last Docker Con, WSL 2 was released to which I switched instantly - which I did not regret. (Note: Upgrading to WSL 2 and the native Docker for WSL 2 version will cost you your &hellip; <a href=\"https:\/\/www.nico-maas.de\/?p=2235\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">[Win10] Random ports blocked while using Docker \/ WSL \/ HyperV<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-small\"><li class=\"shariff-button printer shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"javascript:window.print()\" title=\"print\" aria-label=\"print\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 32\"><path fill=\"#999\" d=\"M6.8 27.4h16v-4.6h-16v4.6zM6.8 16h16v-6.8h-2.8q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-11.4v11.4zM27.4 17.2q0-0.5-0.3-0.8t-0.8-0.4-0.8 0.4-0.3 0.8 0.3 0.8 0.8 0.3 0.8-0.3 0.3-0.8zM29.7 17.2v7.4q0 0.2-0.2 0.4t-0.4 0.2h-4v2.8q0 0.7-0.5 1.2t-1.2 0.5h-17.2q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-4q-0.2 0-0.4-0.2t-0.2-0.4v-7.4q0-1.4 1-2.4t2.4-1h1.2v-9.7q0-0.7 0.5-1.2t1.2-0.5h12q0.7 0 1.6 0.4t1.3 0.8l2.7 2.7q0.5 0.5 0.9 1.4t0.4 1.6v4.6h1.1q1.4 0 2.4 1t1 2.4z\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"mailto:?body=https%3A%2F%2Fwww.nico-maas.de%2F%3Fp%3D2235&subject=%5BWin10%5D%20Random%20ports%20blocked%20while%20using%20Docker%20%2F%20WSL%20%2F%20HyperV\" title=\"Send by email\" aria-label=\"Send by email\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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March 2021","format":false,"excerpt":"Windows Subsystem for Linux 2 has a big problem called \"Vmmem\" - it is the process WSL uses to allocate RAM for usage within its user context. That itself is all fine, however, there are many known issues that show that even after closing your e.g. Debian session, this memory\u2026","rel":"","context":"In &quot;Computer&quot;","block_context":{"text":"Computer","link":"https:\/\/www.nico-maas.de\/?cat=4"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2460,"url":"https:\/\/www.nico-maas.de\/?p=2460","url_meta":{"origin":2235,"position":1},"title":"[Win10] Long Path \/ Filenames","author":"Nico Maas","date":"29. May 2022","format":false,"excerpt":"Having the need to discuss this topic in 2022 is something I would not have dreamed of - but still, we're here to address the elephant in the room: Yes, Windows 10 does support long path names - no, it does not support it by default. You need to enable\u2026","rel":"","context":"In &quot;Windows&quot;","block_context":{"text":"Windows","link":"https:\/\/www.nico-maas.de\/?cat=69"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1705,"url":"https:\/\/www.nico-maas.de\/?p=1705","url_meta":{"origin":2235,"position":2},"title":"Upgrade WSL (Windows Subsystem for Linux) on Windows 10","author":"Nico Maas","date":"20. September 2017","format":false,"excerpt":"I had installed WSL (Windows Subsystem for Linux) a long time ago to gain access to Ubuntu 14.04 LTS directly from my Windows 10 Desktop. However, as time passes, Software grows old. Upgrading the Ubuntu Subsystem via apt-get update \/ do-release-upgrade should work, but that could have some nasty sideeffects,\u2026","rel":"","context":"In &quot;Unix \\ Linux&quot;","block_context":{"text":"Unix \\ Linux","link":"https:\/\/www.nico-maas.de\/?cat=18"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1189,"url":"https:\/\/www.nico-maas.de\/?p=1189","url_meta":{"origin":2235,"position":3},"title":"[Docker] Install Gogs as Docker container","author":"Nico Maas","date":"21. January 2016","format":false,"excerpt":"Gogs (Go Git Service) is an awesome Github\/Gitlab like solution, completly written in Go(lang) - which makes it blazing fast - and lightweight. And as there is even an Docker Container of Gogs available - I thought - why not using this to finally move from my SSH-only-Git to an\u2026","rel":"","context":"In &quot;Docker&quot;","block_context":{"text":"Docker","link":"https:\/\/www.nico-maas.de\/?cat=531"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2051,"url":"https:\/\/www.nico-maas.de\/?p=2051","url_meta":{"origin":2235,"position":4},"title":"SonarQube 6.7 Community with Postgres 9.6 in Docker on Ubuntu","author":"Nico Maas","date":"30. April 2019","format":false,"excerpt":"This is a very quick install for SonarQube on Ubuntu 18.04 LTS. I presume you got the latest Docker CE 18.09 and docker-compose 1.24 installed. # create folders for sonarqube files and postgres sudo mkdir -p \/var\/sonarqube\/{conf,data,logs,extensions} sudo chown -R 999:999 \/var\/sonarqube sudo mkdir -p \/var\/sonarqube\/postgres # make folder for\u2026","rel":"","context":"In &quot;Docker&quot;","block_context":{"text":"Docker","link":"https:\/\/www.nico-maas.de\/?cat=531"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1525,"url":"https:\/\/www.nico-maas.de\/?p=1525","url_meta":{"origin":2235,"position":5},"title":"How to run pi-hole in a Docker container","author":"Nico Maas","date":"6. February 2017","format":false,"excerpt":"Pihole is an awesome little DNS Server with Blacklists for Ad Sites and the ideal tool to install a small and powerful ad filter for the whole network (Intro Video here). As diginc designed an Docker Image around the Pihole server (which was normally run on a RPi :)) -\u2026","rel":"","context":"In &quot;Docker&quot;","block_context":{"text":"Docker","link":"https:\/\/www.nico-maas.de\/?cat=531"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/2235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2235"}],"version-history":[{"count":1,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/2235\/revisions"}],"predecessor-version":[{"id":2236,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/2235\/revisions\/2236"}],"wp:attachment":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}