-bash: /home/tools/apache-jmeter-5.5/bin/jmeter: Permission denied

This error message is indicating that the user does not have permission to execute the file "/home/tools/apache-jmeter-5.5/bin/jmeter".

To resolve this issue, you can try the following steps:

1. Check the file permissions using the command "ls -l /home/tools/apache-jmeter-5.5/bin/jmeter". Make sure that the user has the execute permission for the file. If not, you can give the permission using the command "chmod +x /home/tools/apache-jmeter-5.5/bin/jmeter".

2. If the file permissions are correct, check if the file is owned by the correct user. You can use the command "ls -l /home/tools/apache-jmeter-5.5/bin/jmeter" to check the owner. If it is not owned by the user, you may need to change the ownership using the command "chown username:groupname /home/tools/apache-jmeter-5.5/bin/jmeter".

3. If the above steps do not work, you can try running the command as a superuser using "sudo" before the command. For example, "sudo /home/tools/apache-jmeter-5.5/bin/jmeter".

4. If none of the above steps work, you can try reinstalling JMeter or downloading a fresh copy of JMeter and giving the necessary permissions to the file.