Alpine dns lookup error. In this particular issue I'd like to address the bugged DNS resolving in alpine linux, described here: ku The commands/steps listed on this page can be used to check name resolution issues in your cluster. com/alpine/v3. 2. podman search domain also to th Mar 19, 2019 · I am getting below error while running docker-compose up -d on my machine WARNING: Ignoring http://dl-cdn. Jan 22, 2018 · Hey! Seems to be some problem with dns, if i try to run the image using docker-compose it starts but all outgoing network calls fail. aliyun. So I've tried running this script for testing the DNS resolution: Jun 2, 2023 · Hello, I have a weird problem with DNS and my Alpine Container (latest version 3. 19-alpine RUN apk update RUN apk add --no Dec 7, 2020 · 40 Lately, we've faced some DNS issues with micro-services based on Alpine image (node:12. 1-ce ) in machine B: FROM openjdk:8-jdk-alpine RUN apk update && apk upgrade && apk add netcat-openb Dec 19, 2023 · We use our own DNS server on the pod with alpine and it uses search domains automatically. It continues on with adding lookup zones for your LAN hosts. internal I think this is simi $ pmbootstrap config mirrors. 14 docker image but no 7. 29-fpm-alpine3. So I’m back to the question of: How do I define the IPv4 DNS name server Sep 9, 2024 · We are having trouble with DNS lookups when using Alpine 3. 1 is the slave address. The same with ubuntu works. cn Nov 15, 2021 · This error may come due to DNS issue also while building the docker image pus the dns flag and mention google dn 8. single-request-reopen (since glibc 2. conf and add the nameserver 8. Learn to set up DNS clients, configure local DNS servers, implement DNS caching, and troubleshoot DNS issues. Finally, it gives a peek at setting up ad blocking. cn Server: 127. nslookup: can't resolve 'kube-dns. 21 nslookup nslookup cmallapi. 1) which also returns the correct records. 4. 0-beta1 Grafana uses alpine linux as base image, despite there being some known issues with using alpine. 11 could behave Feb 18, 2021 · 在构建基于Alpine的Docker镜像时，为加速更新，使用了阿里云镜像源，但在执行`docker build`时遇到了DNS配置错误，导致无法从阿里云镜像源下载组件。 I'm trying to install packages in a docker image based on alpine. As I see now (for example) there is now a 7. Sep 6, 2023 · I'm building a php web app using docker compose - one container for apache and the other for php-fpm. 7k Jun 22, 2016 · Running docker in a host (centos Red Hat Enterprise Linux Server release 7. 17 or earlier as your base image, DNS may not work properly due to a design issue with Alpine. root@server [~]# ldd /bin/keyctl linux-vdso. when you use multiple DNS servers or search orders. If you get errors like "canceling authentication due to timeout" or "Invalid memory access (signal 11) at address 0x…", change the postgres version to 16. 19. 0 -. I can ping my DNS server. => lookup registry. org errors #386 alpine linuxのapk updateが失敗して動かなくなったときの解決法 Dockerコンテナ内から外部通信が向いたときにDNSが解決できない問題を解消する systemd起動のDockerでdns Mar 4, 2018 · gliderlabs / docker-alpine Public Notifications You must be signed in to change notification settings Fork 532 Star 5. This is known to impact containers based off of the alpine image. docker\config. This page documents the steps to configure network in Alpine Linux using either Network setup-scripts or manually and to test your Internet access. 2-aspnetcore-runtime-alpine RUN e This document shows how to configure a basic installation of the ISC DNS server, BIND9, for Alpine Linux. kube-system. 19-alpine image and adding git in order to pull a private project. I currently have 1 master and 1 node running on two CentOS7 instances in Feb 21, 2021 · I have tried to see this failure directly by running docker-compose exec webapp node -pe 'require("dns"). Apr 30, 2019 · And there's the problem: Alpine's musl libc does not fully support all features DNS resolving, e. gz no such file temporary error ←Fix DuckDB out of memory error Export Database Parquet→Install Miniforge /Mamba to replace Anaconda in Ubuntu Aug 15, 2021 · kubectl run --rm --attach --restart Never --image alpine:3. 20. 19 or 3. Apr 9, 2025 · If you are using Alpine version 3. Sep 26, 2018 · Outbound requests from pods can see a 5 second delay during DNS lookups. 1 --dns-search companydomain -t mycontainer However docker build doesn't have the same options. I fear I may have left out some important networking feature to get DNS working. 8 in the container Nov 23, 2024 · When you encounter the EAI_AGAIN error, it typically indicates that there was a timeout in the DNS lookup process, suggesting either a network connectivity issue or a proxy-related problem. Some hardware . gz: DNS lookup error Below are the details of the machine that I have Jul 3, 2019 · The proxy server received an invalid response from an upstream server. I also did a DNS lookup on nl. The proxy server could not handle the request GET /. 0. gitlab. Start from a "blank" host (no images loaded, no containers running) docker run --rm -it alpine:3. Unfortunately, Alpine Linux since 3. 11#53 Non-authoritative answer: Name: cmallapi. Is there a workaround this to enable accessing the service properly from the Alpine pod? Edit providing pod A manifest: apiVersion: v1 kind: Pod metadata: creationTimestamp: null labels: May 29, 2021 · Description: I'm constantly getting DNS Lookup error while trying to build the image. dir(arguments)})', but it seems to be intermittent enough that I never manage to hit it. 2 apk update as non-privileged user (id 1005): $ id myuse May 14, 2024 · In more recent versions of docker desktop for windows (currently using 4. It is not in the issues, I searched. So I don't know if this is the right pla I followed the instructions to use docker docker build -t mosaico/mosaico and i'm getting these errors: ERROR: https://dl-cdn. Nov 17, 2021 · Learn how to deal with a Docker image dns lookup error from the in-house experts at Bobcares. pac file (can just google this part, not too difficult) Open the with choice of editor (sublime, vs, jetbrains, notepad) Open config. x. Jun 1, 2024 · 该文件包含了软件包管理器 apk 可以使用的仓库源的信息，包括仓库的URL、版本和描述信息等。 通过编辑这个文件，你可以添加、删除或修改 Alpine Linux 系统中使用的软件包仓库。 一个典型的 /etc/apk/repositories 文件的内容可能如下所示： Jun 23, 2024 · This is very strange behavior on a fresh installation of Alpine Linux v3. conf 文件中增加 options single-request-reopen 配置。因为 single-request-reopen 配置项只对 glibc 库生效，但是 apline 镜像使用的是 musl 库 2. namespace或servicename. 1: undefined symbol: dlopen I checked the libraries of keyctl, and libdl is not there. A workaround is to use options ndots:2 to force normal 3-part domain names to be tried as fully-qualified. But according to strace output alpine does 2 requests for each search suffix. 18) on Ubuntu. Mar 22, 2021 · Description Since alpine 3. DNS 请求超时 原因: alpine 使用的是 musl 库，在 DNS 解析上会有一些限制 [1] 解决方式： 不使用 apline 镜像，并在容器 resolv. The DB will be accessed via a different connection. At some point the I get a dns lookup failure for a connection between containers and afterwards it I have a pipeline that builds a docker image with alpine as base image. alpinelinux. Complete guide with practical solutions, error codes, and prevention tips for successful Oct 14, 2022 · 文章浏览阅读3. 6 (0x0000003d7ae00000) Mar 20, 2018 · 48 Due to local network configuration I have to add --dns and --dns-search options to my docker run commands like so: docker run --dns XX. Oct 2, 2024 · Has this issue been opened before? It is not in the FAQ, I checked. However, if this property is set to true the default DNS lookup will switch to host-resolver. 13. Docker 下无法解析 hosts 原因: alpine 没有 /etc/nsswitch Mar 11, 2020 · Our journey along the Kuberentes (K8s) road continues with the story of how we diagnosed and solved random, intermittent DNS lookup failures between K8s pods and also between pods and services external to our K8s cluster. 4 as base image, or just simply mount this file: Apr 19, 2025 · I frequently run into issues with Docker containers misbehaving, particularly failing to resolve local DNS names. 5k次，点赞2次，收藏2次。Dockerfile alpine:3. Oct 16, 2024 · I’m experiencing an issue while building my Docker images using Alpine 3. It appears that the problem is due to Alpine's inability to handle truncated DNS responses. The following page shows how to setup a single-zone configuration, with one server being a master where updates are made, and a slave which will have changes replicated to it automatically. 0 directly onto a VM. Aug 21, 2016 · I see a few issues related to this but they're all making it more complex to replicate. 11 also resolves the “local names” for connected containers. default. com nslookup: can't resolve '(null)': Name does not resolve Name: google. 4k次。 文章详细描述了在使用Alpine基础镜像的环境中，服务名和服务名短写的DNS解析问题。 在某些情况下，如servicename. I’m currently using the Cloudflare DNS on my router (1. Dockerfile FROM golang:1. 1 is used as the master server's IP address, 10. See below. It seems the docker daemon is trying to use Google’s DNS servers instead of the DNS servers set by the VPN. 12) when running on a vagrant image with --natdnshostresolver1 #149 Jan 23, 2019 · Seeing odd DNS behavior in Docker image alpine:3. This little test runs a docker cont Jan 3, 2022 · Deploying docker containers based on alpine images or using alpine on your server is always a good idea as it’s a small, simple Linux OS. Sometimes it is only external connections that fail, in which case I need to restart the whole PC in order to fix the issue. I am very happy to hear that the DNS issues of Alpine/musl seem to be solved. 解析大于512字节的记录时应使用TCP来解析dns，而不是udp (Alpine不支持tcp解析dns) 5. gz: DNS lookup error We would like to show you a description here but the site won’t allow us. docker. 13 specifically on minikube inside virtualbox. Aug 17, 2017 · Notifications You must be signed in to change notification settings Fork 4 Jul 2, 2018 · While installing docker file, we get DNS lookup error for WARNING: Ignoring http://dl-cdn. 1810 (Core). 更换操作系统 4. 11 alpine -- nslookup Aug 6, 2019 · I suspect that this may relate to how the DNS settings and resolv. Dec 31, 2017 · By default this property is set to false, meaning that the default DNS process in the rancher desktop will be handled through dnsmasq. gz files. Here I’m going to show you the installation of bind-tools package which contains both dig and nslookup. Here's what I do: # docker run -td alpin I was investigating broken docker builds because of DNS issues and narrowed it down to building FROM alpine:3. org/alpine/v3. It seems something related to DNS, once inside the container it doesn't resolve anything (like www. I am having these problems in Docker 20. 2) This happens on several different browsers (Firefox-esr, Falkon, Qutebrowser, Epyphany, Surf, Luakit) that use different web engines. o… This (relatively) old issue is because of a buggy implementation of musl DNS library, as laid out in a comment of gliderlabs/docker-alpine #539. 2 (Maipo)) which is under proxy, able to pull alpine:3. 13 fetching the apk index fails when I execute docker run -it --rm --security-opt seccomp=unconfined alpine:3. 3) running on Ubuntu 20. Sep 13, 2017 · However, we ruled out the DNS, because on both networks we were able to do curl from the host and download the . Dec 20, 2023 · If that fails with syntax error, change the compose file version to "2. 9/main/ allways notice DNS lookup error but ican ping it Aug 10, 2024 · Linux Alpine Linux Install Dig On Alpine We can install dig, nslookup and their dependencies by adding following package. This is useful when you want to have a DNS server for your home or home office network. 58. 1 => /lib64/libkeyutils. 04内网环境下，使用代理服务器上网，通过Dockerfile构建镜像时遇DNS查找错误。解决方案为在Dockerfile中增加代理配置，设置http_proxy和https_proxy环境变量，成功解决构建过程中的网络连接问题。 Apr 15, 2021 · 使用 alpine 构建 Ddockerfile ，导致 docker 打包失败,错误如下： fetch https://mirrors. Download the proxy. 20 images when using podman on Oracle Linux 8. If one of your containers is connected to a docker network and the other to another one, the DNS resolvers “phantomly appearing” into 127. XX. alpine ${MIRROR_ALPINE} $ pmbootstrap config mirrors. 9) Sets RES_SNGLKUPREOP in _res. 6 => /lib64/libc. svc. Jun 8, 2018 · I use mvn clean package docker:build to invoke dockerfile (docker version 18. 13 is affected by a DNS resolution issue and this prevents from checking out the repository and makes the CI/CD job fail with the error shown below 一般情况下，将 /etc/apk/repositories 文件中 Alpine 默认的源地址 http://dl-cdn. Apr 20, 2016 · This fixed DNS for external hosts, but then the DNS for hosts on my local network (needed for accessing source code control) stopped working. ` in `resolv. 3. If i add dns: 8. More recently I noticed internal connection fail randomly. xmcloud. net Where in newer Apr 1, 2023 · 文章浏览阅读2. org and I do see that it has an A record and a CNAME. Here are some steps to troubleshoot this problem: Flush DNS Cache: ipconfig /flushdns Ensure your network adapter is configured to use the correct DNS server. In this post, we’ll walk through how to manually configure DNS settings both in Docker Compose and at the Docker daemon level. cn Address: 61. When I try the build an image based on alpine, It gives me the bellow error when I try to install a package. 04. Until musl version 1. For additional gui/tui networking tools NetworkManager can be used. com/alpine/v3. If I then run the resultant container with: % docker run --dns x. In order to fix it, we simply need to run "systemctl restart docker Dec 3, 2024 · A DNS lookup error occurs when a web browser or application cannot resolve a domain name to its corresponding IP address. Perhaps the content distribution network is having issues. haday. But if i am building Feb 17, 2022 · Docker, Corporate Proxy (using PX Reverse Proxy) fails to do DNS lookup when adding new packages within Dockerfile with 'apk add' Asked 3 years, 7 months ago Modified 2 years, 9 months ago Viewed 2k times Nov 11, 2020 · でエラーが出て先に進めません。 May 11, 2021 · Could you point me to a direction how can possible I fix the problem and learn on how the DNS inside minikube/kubernetes works? I've heard that problems with DNS inside Kubernetes cluster are frequent problems you run into. Bad file descriptor ERROR during apk update in Docker container Why? Asked7 years, 2 months ago Modified 4 years, 8 months ago Viewed 7k times 15 Sep 22, 2021 · From the documentation, it seems there is a known issue with Alpine and DNS resolution (even though the version I have is greater than the version they mentioned). json file in C:\Users\<user>\. Which is weird because the resolv. org , we notice the tc flag set in the response headers, indicating a truncated DNS response. com or kubernetes. 3 and now nslookup is failing for us unless we explicitly specify the DNS server IP (which is of course not an option), e. It seems that 127. 13/main/x86_64 Feb 27, 2020 · Alpine Linux is an incredibly lightweight Linux distribution, making it a popular choice for Docker containers. 3 and now nslookup is failing for us unless we explicitly https://mirrors. nuget. Or edit the resolv. Steps to reproduce: docker network create customnet docker run --network customnet --rm alpine:latest ping linux Jul 11, 2019 · If I create a container with a Dockerfile that just says: FROM alpine and do a build. 8 to my compose file the container can reso Jul 15, 2019 · I was facing this issue at the company I work at and I was eventually able to solve it by doing the following. 10 (I have tested in all patch releases . 6. json add the following to the file but replace http and https proxy with one of the Mar 20, 2024 · Solve alpine APKINDEX. But when i am building docker image, which is giving error DNS lookup error. For Wireless, wpa_supplicant and iwd are available and both are fully supported in Alpine Linux Sep 6, 2022 · 3. But if you want to perform some DNS checks you need to install DNS tools because they are not installed by default. Sep 27, 2018 · I am using a corporate proxy, without authentication. Apr 28, 2018 · どうやら alpine では /etc/apk/repositories にパッケージマネージャ用のリポジトリURLが記載されているようです。 # cat /etc/apk/repositories Mar 11, 2022 · I mean sure, musl should add TCP DNS. com). conf points at the CoreDNS service IP, not the CoreDNS p Mar 27, 2024 · If you run into the DNS lookup failed error on your browser, run the troubleshooter, change the DNS server, or flush DNS. Oct 5, 2017 · If you're using an image derived from alpine linux, there are known issues with the musl dns resolver. 0 for docker build and push to Gitlab Container Registry with Kubernetes as an executor. com Address 1: 216. Describe the bug Trying to build the download profile fails with Permission denied, even whe The symptom is: the host machine has proper network access, but programs running within containers can't resolve DNS names (which may appear to be "can't access the network" before Error creating the LXC container (alpine version), tested both with advanced and default settings. Why this happens Docker uses its own DNS resolver inside containers, Feb 4, 2021 · 当在 docker build 时运行任何 apk add 命令时，我会得到 DNS lookup error I have a docker image based on jenkins/jenkins:lts-alpine. lookup("postgres",function(){console. 4/main/x86_64/APKINDEX. Actual behavior I noticed that it tries to use Google’s Oct 22, 2017 · Definitely a problem with alpine image, installing gcc/g++ packages on the latest alpine fails with the I/O Error - simple test of adding write permissions to everyone on the /usr folder - make the install work. 4 nslookup google. Fetching data from: https://dl-cdn. Can with more DNS knowledge than me confirm that the nicolaka/netshoot image does not have the well-known issue anymore? Mar 25, 2025 · Master DNS configuration on Alpine Linux. 8:53: no such host <= the resolution is taking place on google's public dns, not on your local server. mydomain. Jul 2, 2021 · I assume docker run --rm -it alpine:latest nslookup dl-cdn. 24 didn't include TCP fallback to the DNS stub resolver meaning any DNS call above 512 bytes would fail. We might have a build problem, we should be aliasing jekyll/jekyll:builder to jekyll/builder:latest at build time, as for the DNS resolution error, we removed that almost 6 months ago when the bill for the mirror got too high, so we reverted to Alpine's mirror when they finally got funding to get a CDN. so. 1 (0x00000033df000000) libc. But real world networking says if your DNS response is over the limit for basic UDP DNS, a meaningful proportion of clients won't get that response. We hit following errors in edge: Alpine latest: [root@dockerserver ~]# docker run -it --rm alpine:latest /bin/sh / # export http_proxy=htt を追記の上、Dockerを再起動すればDNS解決で失敗しなくなります。 参考にした記事 Repository problem? #279 dl-cdn. In comparison, ping works perfectly. pmaports ${MIRROR_PMOS} $ pmbootstrap config mirrors. 25 DNS resolution in alpine (musl) based containers fails when the host system has `search . cluster. 03. when run helpler in kubernetes: DNS resolution failures in docker build while using Gitlab Runner 13. I can't resolve domain names. May 5, 2016 · I just started using the Docker for Mac beta, but immediately ran into an issue pulling from my company’s private registry which is hosted inside our VPN. Summary We've noticed that sometimes after jobs fails, gitlab-runner/docker, when executing a new job, is no longer able to resolve our server hostname. net Address 2: 2404:6800:4012:1::200e tsa03s06-in-x0e. I am stuck to build docker. 13/main/x86_64 musl (Alpine's libc) apparently doesn't support TCP DNS queries, which are required for larger DNS responses, and has some broken interactions with multiple search domains. default). The build fails during the installation of system packages, with the following error messages: Aug 16, 2022 · I am new to this, but I enherited a project, where runtime build is created with dockerfile and commands like this: # Build runtime image FROM microsoft/dotnet:2. I am compiling my own 3. 3 · Issue #539 · gliderlabs/docker-alpine · GitHub. conf then the name resolution in podman container is failing, until you add the dns. Expected behavior Docker pull should work when registry is inside VPN. Alpine社区态度：应该是客户端和dns服务商来解决这个问题，而不应该是操作系统，Alpine不认为这是一个bug，而是一个特性，设置了截断标志，但是响应是空的。 Feb 19, 2017 · And during DNS resolving I see that my DNS server answers only first 6 or 7 requests (this is DNS DoS protection). 14 kernel. As a result, some CI jobs using a docker image failed to run because the image could not be retrieved, even if an older version of the image was present on disk. 11 Address: 127. 18 以前については、AWS のドキュメントにも記載があり、注意が必要です。 Alpine Linux limits DNS response size to 512 bytes. conf file are handled in alpine linux itself (maybe differences of ndots handling etc, see) but I am not sure because of different behavior with or without custom network enabled. local: Jul 4, 2021 · I am using minikube configured docker. 4, setting proxy, and runni Oct 20, 2018 · Check to see if Alpine Linux has some sort of APK package outage. 15 打包镜像报错_dl-cdn. conf` with 1. Are you currently bogged down with repeated instances of the DNS Lookup Error? Would you like to know how to effectively combat it? Well I’ve put together a number of practical tips that you can immediately put to use. 18. 12. g. For some reason, it is not able to resolve DNS names, as shown below: [root@inf-jenkins02-prd ~]# docker ps CONTAINER ID IMAGE Mar 25, 2024 · Description If the upstream DNS server strips out IPv6 addresses, DNS lookups inside containers started in dind-rootless fail with NXDOMAIN even though the response seems to contain a valid IP addr Sep 29, 2021 · /kind bug Description When you have set a search domain in your hosts /etc/resolv. You can work through May 10, 2016 · Building the container behind a proxy jfloff/alpine-python#10 hichamuntitled mentioned this on Sep 27, 2018 apk return DNS lookup error #445 When running Alpine within a QEMU-based hypervisors such as Proxmox, it's common for DNS resolutions to fail. Jan 20, 2020 · We just switched to Alpine 3. There are two possible solutions: Oct 30, 2017 · I think it could behave different if those 2 containers, even being int he same ip-space, are attached or not to a docker network when starting up. service I can get greeting. I have to use IPs or the FQDN. local': Try again pod "alpine" deleted pod default/alpine terminated (Error) ~ 14s kubectl run --rm --attach --restart Never --image alpine:3. Nov 4, 2019 · What happened: Since v6. As I understand it resolve. 12 because it is expected that we drop support for alpine 3. Is there a way to specify these options during build? Jul 13, 2023 · いろいろな試行錯誤を行った結果、上記の結論に達しました。 Alpine 3. 204 ** server can't find cmallapi. But the pipeline is getting stuck in RUN apk update && apk add --no-cache git and the last output I am seeing is fetch https://dl-cdn. So it’s clearly that ‘docker build’ is not using the correct name server. Here's the fix. io/ 即可。 可以使用如下命令： 4 I'm trying to run a simple alpine docker image on rhel 7, but i'm stuck in this error when i run apk update: May 13, 2023 · When trying to install Alpine via setup-alpine on an Android host using qemu-system-aarch64 (for example using Termux), the installation fails when trying to do an initial lookup of Alpine's mirrors: Dec 24, 2024 · alpine dig/nslookup存在ipv4记录但ping命令报错bad address 错误分析 Alpine Linux cat /etc/issue Welcome to Alpine Linux 3. 172. Alpine Linux uses ifupdown-ng for managing its network configuration by default. tld on 8. NOTE: This feature can only be enabled for Windows currently and it is an experimental feature Feb 12, 2020 · Hi @evildog. Apr 7, 2023 · Find out what causes DNS issues in Alpine Linux and how to eliminate or avoid them. When I try and ping or wget or even apk update, it will always fail to resolve the domain name unless I manually run an nslookup command first. 11. 13 docker image. The part that's giving me trouble is trying Jul 18, 2024 · 其他发现 一番研究alpine/musl libc的dns resolv实现，返现和传统不一致的地方还不止这一处。 alpine linux 3. Apr 2, 2021 · DNS lookups seem broken in the alpine:3. Mar 28, 2024 · To make it persistent, you can add these commands to a Dockerfile and create your own image with bitwalker/alpine-elixir:1. 4之前，当dns udp结果大于512字节，会截断就获取不到正确结果了，因为貌似按照rfc截断语义，是这样，没毛病。 Aug 4, 2023 · 1. 1 on Sep 14, 2022 ekeih Feb 23, 2021 · dns issue with docker alpine:3. 8 and 8. Just running the following gets the WARNING. 0 with Kubernetes Executor I'm using GitLab Runner 13. systemd ${MIRROR_SD} May 16, 2017 · If you’re doing some docker stuff (like building an alpine image) and your docker build fails with some DNS error but your host has no issue resolving the names NSD is an authoritative-only DNS server. google. local If you don't see a command prompt, try pressing enter. Click here to read more. As somebody mentioned in DNS resolution does not work on Docker · Issue #3572 · grpc/grpc-go · GitHub, this could be due to an issue in Alpine Linux (which is used as base layer for the Docker images): nslookup fails in Alpine 3. Feb 12, 2025 · Hello Thank you for posting in Q&A forum. 1 & 1. 1". Jul 14, 2023 · I'm trying to build a Docker image using the official golang:1. I checked my docker config and its DNS is set to 8. $ docker run -it --rm alpine:3. 8. svc，Alpine镜像无法正确解析服务的IP，而其他镜像如CentOS/Debian/Ubuntu等可以。 Hi I am trying build a docker and Docker file looks like this. We just switched to Alpine 3. 13 (that does not happen with 3. 1. json into machine to make everything work correctly: Oct 5, 2022 · I get a DNS error "website can't be found". When nslookup works but ping and other applications cannot resolve a domain name, it usually points to a DNS configuration issue. 5/main: DNS lookup error. FROM alpine LABEL description "Nginx + uWSGI + Flask based on Alpine Linux and managed by Supervisord" # Copy python requirements f Jul 4, 2021 · But when i am building docker image, which is giving an error ERROR: http://nl. Check the hosts file located at C:\Windows\System32\drivers\etc Sep 30, 2015 · alpine安装包是阿里云官方提供的开源镜像免费下载服务，每天下载量过亿，阿里巴巴开源镜像站为包含alpine安装包的几百个操作系统镜像和依赖包镜像进行免费CDN加速，更新频率高、稳定安全。 Jul 6, 2021 · Apologies for yet another DNS lookup issue but I am out of options. options. 46 tsa01s08-in-f46. 1 => (0x00007fffcc5fd000) libkeyutils. org/ 替换为 http://mirrors. (Edited: Added K8S detail) Aug 22, 2017 · I am encountering an issue with Kubernetes where my pods cannot resolve hostnames (such as google. conf only supports one name server (so long as that name server responds OK). This issue is exclusive for Alpine. cn: NXDOMAIN # 单独查询ipv4记录 nslookup -q=A cmallapi. namespace. In the examples 10. But if i am building docker Jun 1, 2018 · Ubuntu20. Our actual application is Ruby based which "sometimes" fails to find a redis contai Sep 14, 2022 · 4 ekeih changed the title alpine based containers have DNS issues since upgrading to 1. 16/main: DNS You need to have in mind that every http/https request performs a DNS lookup, this can become quite expensive, to avoid this bottleneck and getaddrinfo errors, you can implement a DNS cache. Reason: DNS lookup failure for: host. This issue… Feb 18, 2013 · keyctl: symbol lookup error: /lib64/libkeyutils. Feb 4, 2021 · It seems that my Dokcer inside of docker-machine had troubles resolving DNS. An example log: Aug 22, 2019 · どうやらalpine linuxのDNS周りの動きが死んでるっぽく，Issueにもdockerの設定を変更することで回避する方法が書かれていました． Jun 3, 2025 · Learn how to troubleshoot and fix common Alpine Linux installation errors. x -it XXXXX sh Once inside the container I can do an ‘apk update’ just fine. 1) This happens on 3 different fresh Alpine installs (default settings, both lts and edge kernels) on the same laptop. For example, if I do DNS lookup for greeting. If running dig to perform a DNS lookup for api. I'm baffled that nslookup complains yet finds the IP address. Mar 8, 2020 · ローカルのみてるDNSと別物みたいですし、このネームサーバーに到達できなくてコケている説をまず考えてみますか。 とりま、Dockerのイメージの内部で、どのように名前解決しているのかを調べたいのですが、どこにDNSの設定ファイルがあるのか。 Apr 16, 2022 · DNS lookup errors on cluster startup and when building Alpine Linux images on Windows/Ubuntu+VirtualBox #13968 Jan 7, 2022 · The dns entries can only be resolved by my local dns server running on the host. Sep 4, 2023 · I also see a DNS lookup error in the logs. 200. The resolver uses the same socket for the A and AAAA requests. See connection timeout from apk albeit https_proxy is set in the environment of docker-compose. Now starting the container form alpine:3. org also doesn't resolve? Jul 14, 2020 · Hi, sorry, if this bug is reported towards the wrong repo. 1-alpine) on EKS when trying to resolve "big" DNS queries (When the answer is larger than 512M). The instructions start with a basic caching, forwarding DNS server. 25. 4 apk i DNS fails to resolve on helper image for kubernetes due to this alpine dns issuse: https://github. org Aug 30, 2024 · Describe the bug Gateway container/nginx seems to lose it's DNS lookup ability after CoreDNS pods restart. com/gliderlabs/docker-alpine/issues/255 gitlab-runner-helper has dns issuse too. As soon as I use a custom network for the container, I cant resolv my hostnames anymore. 4 by following steps in stackoverflow. 1e100. Let's examine the steps to install dig and nslookup in an Alpine-based Docker container. Although entry is present in /etc/hosts file, resolving works from localhost/cmd and "dns" entries exist in both gitlab-runner config file + docker - it just stops working. tar. 142. 9/main/x86_64/APKINDEX. I can resolve using th Feb 22, 2023 · This happens when using Route53 as the DNS resolver (the default when starting up a new EC2 instance). I added this file /etc/docker/daemon. If working in Kubernetes, the alpine dns issues create additional problems with options ndots:5. The host system is CentOS system, system-release: CentOS Linux release 7. Description Docker had some DNS-related issues recently, causing some requests to lookup registry images to fail. 29) dns lookup breaks down quite often. 10 alpine -- nslookup kube-dns. 18/musl libc 1. ywkpny qwnkd faozlp dbje bbbqjj ehflba qisi vrd aifb gxlrtqt