diff --git a/docs/guide/troubleshooting.md b/docs/guide/troubleshooting.md
index 89827059e1c073..f97b0447e32ff4 100644
--- a/docs/guide/troubleshooting.md
+++ b/docs/guide/troubleshooting.md
@@ -49,6 +49,8 @@ If the above steps don't work, you can try adding `DefaultLimitNOFILE=65536` as
 - /etc/systemd/system.conf
 - /etc/systemd/user.conf
 
+For Ubuntu Linux, you may need to add the line `* - nofile 65536` to the file `/etc/security/limits.conf` instead of updating systemd config files.
+
 Note that these settings persist but a **restart is required**.
 
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