如何解决在 Linux 上安装 Minikube for Kubernetes 时出现的错误

【问题标题】：How do I solve error in installing Minikube for Kuberntes on Linux如何解决在 Linux 上安装 Minikube for Kubernetes 时出现的错误
【发布时间】：2021-03-02 16:23:41
【问题描述】：

我正在尝试在本地为 Kubernetes 安装 minubuke。我尝试使用此sudo grep -E --color 'vmx|svm' /proc/cpuinfo 在我的 Linux PC 上确认虚拟化，但出现此错误：

vmx flags   : vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest
flags       : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts md_clear flush_l1d

我尝试通过运行sudo apt-get update 对问题进行排序，但出现以下错误：

Err:22 http://ppa.launchpad.net/ozmartian/apps/ubuntu focal Release      
  404  Not Found [IP: 91.189.95.85 80]
Hit:23 https://repo.windscribe.com/ubuntu bionic InRelease
Reading package lists... Done
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en_NG) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons-hidpi (main/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-i386) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
E: The repository 'http://ppa.launchpad.net/ozmartian/apps/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Skipping acquire of configured file 'main/source/Sources' as repository 'https://packages.microsoft.com/repos/vscode stable InRelease' does not seem to provide it (sources.list entry misspelt?)
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en_NG) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Translations (main/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target DEP-11-icons-hidpi (main/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-i386) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-7.x.list:1 and /etc/apt/sources.list.d/elastic-7.x.list:2

我真的不知道该怎么办，请任何人帮忙，我将不胜感激。谢谢。

【问题讨论】：

  • I tried to confirm virtualization .... and I got this error 你显示的不是错误：是grep 命令的输出，确认你的CPU 能够使用vmx 与虚拟机。
  • I tried to sort the issue by running sudo apt-get update and I got this error below 您的 APT sources 似乎有一些问题。查看/etc/apt/sources* 并修复错误（可能都与 Kubernetes 无关）。
  • @emi grep 输出在我的终端上标记为红色，我正在关注 minikube 码头v1-18.docs.kubernetes.io/docs/tasks/tools/install-minikube
  • grep output is flagging red on my terminal 这是因为你使用了grep --color，而不是因为它是一个错误。查看结果：两行都包含字符串vmx。

标签： ubuntu virtualization


【解决方案1】：

如何检查处理器是否支持虚拟化技术。

您应该在/proc/cpuinfo 文件的flags 部分中查找以下两个可能值之一：vmx (intel) 或 svm (amd)。

您可以像您的情况一样使用grep 命令，而不是手动检查此文件：

$ sudo grep -E --color 'vmx|svm' /proc/cpuinfo

在您的输出中，您可以找到 vmx（Intel-VT 技术）：

flags       : ... vmx ...

这意味着您的 CPU 支持虚拟化技术。

修复更新包列表时的 404 错误。

E: The repository 'http://ppa.launchpad.net/ozmartian/apps/ubuntu focal Release' does not have a Release file.

上面的错误告诉你这个存储库不适用于你当前的 Ubuntu 版本。
您可以在此article 中找到详细说明和可能的解决方法。另外，还有一个类似的problem with accepted answer。

简而言之，您可以通过以下方式删除此存储库：

$ sudo add-apt-repository -r http://ppa.launchpad.net/ozmartian/apps/ubuntu

然后更新包列表：

$ sudo apt update

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