A. Command Line Config Management Tools ............................................................197A.1. Red Hat Network Actions Control ...........................................................197A.1.1. General command line options .....................................................197A.2. Red Hat Network Configuration Client ...................................................198A.2.1. Listing Config Files.......................................................................198A.2.2. Getting a Config File.....................................................................199A.2.3. Viewing Config Channels .............................................................200A.2.4. Differentiating between Config Files ............................................200A.2.5. Verifying Config Files ...................................................................201A.3. Red Hat Network Configuration Manager ..............................................201A.3.1. Creating a Config Channel ............................................................202A.3.2. Adding Files to a Config Channel .................................................202A.3.3. Differentiating between Latest Config Files .................................203A.3.4. Differentiating between Various Versions.....................................204A.3.5. Downloading All Files in a Channel .............................................205A.3.6. Getting the Contents of a File .......................................................205A.3.7. Listing All Files in a Channel .......................................................206A.3.8. Listing All Config Channels .........................................................206A.3.9. Removing a File from a Channel ..................................................207A.3.10. Deleting a Config Channel ..........................................................207A.3.11. Determining the Number of File Revisions ................................207A.3.12. Updating a File in a Channel.......................................................208A.3.13. Uploading Multiple Files at Once ...............................................209B. RHN API Access........................................................................................................211B.1. Using the auth Class and Getting the Session ..............................................211B.2. Obtaining the system_id ...............................................................................211B.3. Determining the sid ......................................................................................211B.4. Viewing the cid.............................................................................................212B.5. Getting the sgid ............................................................................................212B.6. Sample API Script ........................................................................................212C. Probes .........................................................................................................................215C.1. Probe Guidelines ..........................................................................................215C.2. Apache 1.3.x and 2.0.x.................................................................................216C.2.1. Apache::Processes .........................................................................216C.2.2. Apache::Traffic ..............................................................................217C.2.3. Apache::Uptime ............................................................................218C.3. BEA WebLogic 6.x and higher ....................................................................219C.3.1. BEA WebLogic::Execute Queue ...................................................219C.3.2. BEA WebLogic::Heap Free ..........................................................220C.3.3. BEA WebLogic::JDBC Connection Pool .....................................221C.3.4. BEA WebLogic::Server State........................................................222C.3.5. BEA WebLogic::Servlet ................................................................222C.4. General .........................................................................................................223C.4.1. General::Remote Program.............................................................223