1.25.1 > 1.26.1
Two guides below
Here are my steps:
Backup server / do snapshot (also you can snapshot the db folder in the cardano-relay-node)
In git cardano-node folder - fetch all new tags
git fetch --all --recurse-submodules --tags
git checkout tags/1.26.1
git reset --hard
Install ghcup (optional - if not yet installed)
curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
source ~/.bashrc
OR Upgrade ghcup
ghcup upgrade (just to make sure ghcup is on the latest version)
ghcup install ghc 8.10.4
ghcup set ghc 8.10.4
ghc --version (just to check the correct version)
ghcup install cabal 3.4.0.0
ghcup set cabal 3.4.0.0
cabal --version (just to check the correct version)
cabal update (just to make sure all dependencies are in the info)
Prepare config
cd ~/git/cardano-node
cabal configure -O0 -w ghc-8.10.4
Check for this folder to be removed
rm -rf ~/git/cardano-node/dist-newstyle/build/x86_64-linux/ghc-8.10.2
Build cardano cli and node
cabal build cardano-cli cardano-node
Verify version to be 1.25.1
cardano-node version
cardano-cli version
STOP service
sudo systemctl stop cardano-node.service
Copy the compiled files to right location
sudo cp $(find $HOME/git/cardano-node/dist-newstyle/build -type f -name "cardano-cli") /usr/local/bin/cardano-cli
sudo cp $(find $HOME/git/cardano-node/dist-newstyle/build -type f -name "cardano-node") /usr/local/bin/cardano-node
Verify version to be 1.26.1
cardano-node version
cardano-cli version
Update the NODE_BULD_NUM
export NODE_BUILD_NUM=$(curl https://hydra.iohk.io/job/Cardano/iohk-nix/cardano-deployment/latest-finished/download/1/index.html | grep -e "build" | sed 's/.*build\/\([0-9]*\)\/download.*/\1/g')
sed -i $HOME/.bashrc \
-e "s/export NODE_BUILD_NUM=[0-9]\+/export NODE_BUILD_NUM=${NODE_BUILD_NUM}/g"
source $HOME/.bashrc
Restart service & sync db
sudo systemctl restart cardano-node.service
For other relays/bp => Copy just the db/ledger to the other nodes - no need for other folders!!! (for me this reduced the sync time to ~5-10 min from 1h+)
Do gliveView updates now (if any)
Check tip
cardano-cli query tip --mainnet
In “topologyUpdater.sh” change the script to query the tip from blockNo to block line 21
blockNo=$(/usr/local/bin/cardano-cli query tip ${NETWORK_IDENTIFIER} | jq -r .block )
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Snapshot is usually a complex backup (gcp create snapshot). Usually if you have a VM (virtual machine) you can take a snapshot at a point of time and then some time passes and let’s say after 1 year if you play the snapshot you have the same state as 1 year before.
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I use AWS so snapshots I can do, I was just wondering if you met a DB or an entire snapshot of my server.
$ ghcup upgrade
ghcup: command not found
Just tried this after this command:
curl --proto ‘=https’ --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
source ~/.bashrc
I skipped the editor or did I need that?
you decide 
I said no to that, and snapshot of both VM and db is advisable. (if something goes wrong with the db is maybe faster to restore it from db-snapshot, as restoring the whole VM)
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Wouldnt a DB snapshot just be copying the database folder?
Also this command:
$ git fetch --all --recurse-submodules --tags
fatal: not a git repository (or any of the parent directories): .git
Do you know why the ghcup upgrade command isnt working/ ---- its working now (edit)
$ ghcup upgrade
[ Info ] Upgrading GHCup…
[ Warn ] No GHCup update available
ghcup install ghc 8.10.4
[ Warn ] New GHC version available: 9.0.1. To upgrade, run ‘ghcup install ghc 9 .0.1’
[ Warn ] GHC ver 8.10.4 already installed; if you really want to reinstall it, you may want to run ‘ghcup rm ghc 8.10.4’ first
DB snapshot yes is the copy of the database folder.
And to do the git fetch you should be in the folder where you cloned the cardano-node from github for 1.25.1
What does clone mean ? copy?
usually you clone a repository from a location: like git clone https://github/my-repository (you can think as download from remote)
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Also do you know what GHC 9.0.1 means? Is there two ghc I need to install? 8.10.4 and 9.0.1?
I’m not familiar with ghcup, What is it? Is it necessary?
you need ghc 8.10.4 and cabal 3.4.0.0
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it’s like the official package manager for ghc and cabal
2 Likes
I received this error while trying to copy the compiled files to right location "cp : missing destination file operand after ‘/usr/local/bin/cardano-cli’ "
Verify version to be 1.26.1
cardano-node version
cardano-cli version
im on this step after building and it still shows 1.25.1 know any reason why?
seems like you didn’t copy the right command…you need cp with 2 arguments cp (or copy) source-file destination-file (you miss this one)
you forgot to: Copy the compiled files to right location ? …did this worked?