# I am trying lambda-stack on my tensorbook and it say unable to locate package lambda-stack

## post by Maker19 on Dec 1, 2018

sudo apt-get install lambda-stack
    
    Reading package lists… Done
    
    Building dependency tree
    
    Reading state information… Done
    
    E: Unable to locate package lambda-stack

Your help will be appreciated…

Maker

## post by leonnowsden on Dec 2, 2018

something went wrong when u added the repo.

just do this:

```bash
LAMBDA_REPO=$(mktemp) && \
wget -O${LAMBDA_REPO} https://lambdalabs.com/static/misc/lambda-stack-repo.deb && \
sudo dpkg -i ${LAMBDA_REPO} && rm -f ${LAMBDA_REPO} && \
sudo apt-get update && sudo apt-get install -y lambda-stack-cuda
```

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