Add missing step from Ubuntu wiki. (#1508)

cmu-db · Mar 8, 2021 · 6d7da24 · 6d7da24
1 parent 81500b2
commit 6d7da24
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diff --git a/docs/dev_troubleshooting.md b/docs/dev_troubleshooting.md
@@ -80,6 +80,7 @@ deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted universe
 deb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted universe multiverse" | \
 sudo tee -a /etc/apt/sources.list.d/ddebs.list
 sudo apt install ubuntu-dbgsym-keyring
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F2EDC64DC5AEE1F6B9C621F0C8CAB6595FDFF622
 sudo apt-get update
 sudo apt-get install libstdc++6-dbgsym
 ```