Unable to locate package kubelet, kubeadm, kubectl

이렇게 문제 발생하시는 분은 https://hostnextra.com/learn/tutorials/how-to-install-kubernetes-k8s-on-ubuntu위의 url로 들어가셔서 따라하시면 됩니다.echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpgsudo apt update sudo apt install -y kubelet kubeadm kubectlsudo apt-mark hold kubelet kubeadm kubectlsudo swapoff -a sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab

Vagrant SSL 인증 오류

 28/08/2024   07:40.07  VAGRANT_NO_CHECK_CERT=1 vagrant plugin install va grant-vbguest vagrant-disksizeInstalling the 'vagrant-vbguest' plugin. This can take a few minutes...ERROR: SSL verification error at depth 1: self signed certificate in certificat e chain (19)ERROR: Root certificate is not trusted (/C=KR/O=SOOSAN INT/CN=ePrism SSL)Vagrant failed to load a configured plugin source. This can be causedby a variety of issues including: transient connectivity issues, proxyfiltering rejecting access to a configured plugin source, or a configuredplugin source not responding correctly. Please review the error messagebelow to help resolve the issue: SSL_connect returned=1 errno=0 state=error: certificate verify failed (self si gned certificate in certificate chain) (https://gems.hashicorp.com/specs.4.8.gz)Source: https://gems.hashicorp.com/ ✗  /home/mobaxterm/Desktop/cicd   28/08/2024   07:41.08  ✗  /home/mobaxterm/Desktop/cicd   28/08/2024   07:42.03  VAGRANT_NO_CHECK_CERT=1 vagrant plugin install va grant-vbguest --plugin-source http://rubygems.orgInstalling the 'vagrant-vbguest' plugin. This can take a few minutes...ERROR: SSL verification error at depth 1: self signed certificate in certificat e chain (19)ERROR: Root certificate is not trusted (/C=KR/O=SOOSAN INT/CN=ePrism SSL)Vagrant failed to load a configured plugin source. This can be causedby a variety of issues including: transient connectivity issues, proxyfiltering rejecting access to a configured plugin source, or a configuredplugin source not responding correctly. Please review the error messagebelow to help resolve the issue: SSL_connect returned=1 errno=0 state=error: certificate verify failed (self si gned certificate in certificate chain) (https://gems.hashicorp.com/specs.4.8.gz)Source: https://gems.hashicorp.com/ ✗  /home/mobaxterm/Desktop/cicd   28/08/2024   07:42.53  export SSL_CERT_FILE=/dev/null ✓  /home/mobaxterm/Desktop/cicd   28/08/2024   07:42.59  export SSL_CERT_DIR=/dev/null ✓  /home/mobaxterm/Desktop/cicd   28/08/2024   07:42.59  VAGRANT_NO_CHECK_CERT=1 vagrant plugin install va grant-vbguest vagrant-disksizeInstalling the 'vagrant-vbguest' plugin. This can take a few minutes...ERROR: SSL verification error at depth 1: self signed certificate in certificat e chain (19)ERROR: Root certificate is not trusted (/C=KR/O=SOOSAN INT/CN=ePrism SSL)Vagrant failed to load a configured plugin source. This can be causedby a variety of issues including: transient connectivity issues, proxyfiltering rejecting access to a configured plugin source, or a configuredplugin source not responding correctly. Please review the error messagebelow to help resolve the issue: SSL_connect returned=1 errno=0 state=error: certificate verify failed (self si gned certificate in certificate chain) (https://gems.hashicorp.com/specs.4.8.gz)Source: https://gems.hashicorp.com/---여전히 같은 에러가 발생하고 있습니다...ㅠ 사내에 kubernetes를 이용해서 cicd 파이프라인을 구축하라는 업무를 진행해야하는데 어떻게 이 에러를 해결할 수 있을까요..