Version lock kernel after removing old kernels (#1191)

awslabs · Feb 17, 2023 · 2b75446 · 2b75446
1 parent 8b10a76
commit 2b75446
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diff --git a/scripts/install-worker.sh b/scripts/install-worker.sh
@@ -68,11 +68,14 @@ sudo yum install -y \
   socat \
   unzip \
   wget \
-  yum-utils
+  yum-utils \
+  yum-plugin-versionlock
 
 # Remove any old kernel versions. `--count=1` here means "only leave 1 kernel version installed"
 sudo package-cleanup --oldkernels --count=1 -y
 
+sudo yum versionlock kernel-$(uname -r)
+
 # Remove the ec2-net-utils package, if it's installed. This package interferes with the route setup on the instance.
 if yum list installed | grep ec2-net-utils; then sudo yum remove ec2-net-utils -y -q; fi
 

diff --git a/scripts/upgrade_kernel.sh b/scripts/upgrade_kernel.sh
@@ -24,7 +24,4 @@ sudo grubby \
   --update-kernel=ALL \
   --args="psi=1"
 
-sudo yum install -y yum-plugin-versionlock
-sudo yum versionlock kernel
-
 sudo reboot