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Junsen_Chen
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Feb 02, 2022

Linux DSC ConsistencyInvoker didn't update

After enabling DSC for several Red Hat Azure VMs.
We noticed that binary executable file /opt/omi/bin/ConsistencyInvoker should be updated to check that if the line below is already defined the kernel parameter as indicated in sysctl.conf file, it should no longer update the same file with the same line:
net.ipv4.ip_local_port_range = 10240 65000

The impact of repeating the line “net.ipv4.ip_local_port_range = 10240 65000” is that there is an alert generated in the anti-virus program plus it is consuming the disk of several Red Hat VMs.  As of my check yesterday that line has been repeated 14,197 times in the sysctl.conf file in one of the VMs.  So probably this repetition started 295 days ago.

 

I have checked my Linux DSC extension in lab environment, the latest version is 3.0.0.4 since September 2021


However, I didn’t find changes on the binary executable file ConsistencyInvoker which means there is Not updated ConsistencyInvoker available at moment.
Comparing master...linux-dscext-3.0.0.4 · Azure/azure-linux-extensions · GitHub

is any plan to improve this file ?

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