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LFS243 Service Mesh Fundamentals - New course version now live (09.24.2020)

Hi,

A new course version of LFS243 went live today. In this version, a new chapter (“Using Service Mesh to Debug and Mitigate App Failures”) was added. The new section is accompanied by two additional lab exercises.

To ensure you have access to the latest updates, please clear your cache before accessing the course.

Link to original course update release post: https://forum.linuxfoundation.org/discussion/857573/lfs243-new-course-version-now-live-09-24-2020

Regards,
-Chris

Comments

  • etofran810
    etofran810 Posts: 50

    Can you help me. I am executing lab 11.1, I executed the lab9 nginx-one and expose service.

    I installed linker
    curl -sL run.linkerd.io/install | sh
    Downloading linkerd2-cli-stable-2.11.2-linux-amd64...
    % Total % Received % Xferd Average Speed Time Time Time Current
    Dload Upload Total Spent Left Speed
    0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
    100 44.7M 100 44.7M 0 0 41.9M 0 0:00:01 0:00:01 --:--:-- 137M
    Download complete!

    export PATH=$PATH:/home/franktorres/.linkerd2/bin
    echo "export PATH=$PATH:/home/student/.linkerd2/bin" >> $HOME/.bashrc

    In the follow command.....
    linkerd check --pre
    there are nodes using the docker container runtime and proxy-init container must run as root user.
    try installing linkerd via --set proxyInit.runAsRoot=true

    kubectl get nodes
    NAME STATUS ROLES AGE VERSION
    masterkub Ready control-plane,master 42d v1.23.1
    workerkub Ready 42d v1.23.1

    kubectl -n accounting get deployments.apps
    NAME READY UP-TO-DATE AVAILABLE AGE
    nginx-one 2/2 2 2 11m

    kubectl -n accounting get deployments.apps
    NAME READY UP-TO-DATE AVAILABLE AGE
    nginx-one 2/2 2 2 11m

    kubectl -n accounting get svc
    NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
    nginx-one ClusterIP 10.111.237.41 80/TCP 10m

    kubectl -n accounting get ep
    NAME ENDPOINTS AGE
    nginx-one 192.168.199.143:80,192.168.199.144:80 10m

  • chrispokorni
    chrispokorni Posts: 2,155

    Hi @etofran810,

    Can you be specific about the course you found this exercise? I cannot seem to find this question in the LFS243-Service Mesh Fundamentals course. Then please post your question in the relevant forum to be addressed.

    Regards,
    -Chris

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