Author: Jay


  • Another day another VCSA issue. this morning when I tried to log into vCenter it essentially threw the infamous 503 Service Unavailable error. And off I went looking into what was it this time. the usual checks on disk space looked okay on first glance. df -h Filesystem Size Used Avail Use% Mounted on devtmpfs…

  • Sometime over the weekend my lab vCenter Server Appliance stopped working. when attempting to login you see the infamous 503 error “503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x7f0ef806c180] _serverNamespace = / _isRedirect = false _pipeName =/var/run/vmware/vpxd-webserver-pipe) Issue 1: Disk full Log in to the vCenter Server Appliance through SSH and enable bash shell…

  • If you are behind a proxy and want to proxy docker registry or have multiple machines pulling the same images over and over (CI/CD/ML/DL etc..) and just want to cache them locally the following is a good choice. create a folder docker-registry-local-cache and create docker-compose.yml file as follows and customize it with your env variables.…

  • Create this folder if this /etc/systemd/system/docker.service.d/ if it does not exist yet. For adding local registry mirror add override.conf and file to the folder and the following config sudo mkdir /etc/systemd/system/docker.service.d/ sudo vi /etc/systemd/system/docker.service.d/override.conf [Service] ExecStart= ExecStart=/usr/bin/dockerd -H fd:// –registry-mirror=http://10.0.0.7:5000 For adding proxy to docker add proxy.conf with the following config sudo vi /etc/systemd/system/docker.service.d/http-proxy.conf [Service]…

  • Since its been a while I decided to upgrade my ml box to cuda 9.0, man that was fun, lots of googling with multiple visits to ubuntu and nvidia forums and reading up on several blog posts and stackoverflow articles and almost at the end of the long day am running cuda 9.0, Cudnn 7…