Redhat 8 no data

Performance data not collected for Linux monitor with RHEL 8 & above in SSH mode

If you notice an issue regarding the performance data collection for the Linux monitor with RHEL 8 & above (No data in GUI) then from the Applications Manager GUI --> Admin --> Product Settings --> Logging --> choose Print all logs option and save setting.

Check if the below log trace is observed in the AppManager/logs/nsm/nmsout.txt file.

-Install package 'redhat-lsb-core' to provide command 'lsb_release'? [N/y] ----

During every polling the Applications Manager executes the commands to fetch the data from the remote server by establishing an CLI based SSH session, when it executes the command if we are getting an response from the server like above this will interrupt the data collector threads hence resulting in data collection failure


yum install redhat-lsb-core

After installing this package on the target Linux servers check if the data collection is successful and if you notice any issues you can share the support information file with the applications manager technical support team (

                    New to ADSelfService Plus?

                      • Related Articles

                      • Self monitor Applications Manager using APM Insight Java Agent

                        Applications Manager is built with Java, hence we can monitor it using APM Insight Java Agent to measure it's performance continuously, which can be very much useful. Setting up APM Insight Java Agent Follow the below steps to download and set up the ...
                      • Memory Usage Calculation (Linux- Telnet/SSH)

                        Total Memory Utilization Calculation: Linux Monitoring: Telnet/SSH For memory usage calculation using 'free -m'  command. Sample command output: root@root:~$  free -m                      total        used        free      shared  buff/cache   ...
                      • Self monitor Applications Manager using Real User Monitoring

                        We can monitor the Applications Manager using Real User Monitoring with a Java Script injection and this can be used to measure the Applications Manager's performance continuously. All you need is to install and setup the Real User Monitoring (RUM) ...
                      • APM Insight monitor is UP, but monitor page doesn't show any data

                        Possible Causes The APM Insight monitor status corresponds to the respective agent folder pointed Java Application status i.e., as long as the Application server is running, the monitor status will be UP. 1. No Transactions Recorded: It is possible ...
                      • How to view data under Session & Performance tab in MySQL monitor?

                        Note: If the server is a MariaDB server, check whether the SYS database is installed by executing the below query on MariaDB shell: show databases; If the output does not contain the SYS database, then install the SYS database suitable for the ...