1️⃣ Verify AzCopy is available
azcopy --version
2️⃣ Export your SAS (same one you used in ACA)
export BLOB_SAS='your SAS token'
3️⃣ Auth test (this MUST succeed)
azcopy list \
"https://storageaccount.blob.core.windows.net/wp-mariadb-backups?$BLOB_SAS" \
--log-level=INFO
4️⃣ Upload a tiny test file
echo "hello from wsl" > /tmp/azcopy_test.txt
azcopy copy \
/tmp/azcopy_test.txt \
"https://storageaccount.blob.core.windows.net/wp-mariadb-backups/db/azcopy_wsl_test.txt?$BLOB_SAS" \
--overwrite=true \
--log-level=INFO \
--output-type=text

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