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Hi John, Cole Thanks for the reply. Use of condor: To run multiple MATLAB instances for simulations having independent parameter sweeps First steps: Install and check condor is working on a single device (laptop in my case) as both Head Node and Worker. Next Steps: I have 2-3 idle workstations available, make one of them the Head Node and distribute jobs. All of them are running Windows 10. After running condor_status -debug:D_SECURITY: 05/21/25 12:11:57 Win32 sysapi_get_network_device_info_raw() 05/21/25 12:11:57 SECMAN: command 5 QUERY_STARTD_ADS to collector at <192.168.178.25:9618> from TCP port 51923 (blocking). 05/21/25 12:11:57 condor_read(): Socket closed abnormally when trying to read 5 bytes from collector at <192.168.178.25:9618>, errno=10054 05/21/25 12:11:57 SECMAN: no classad from server, failing Error: communication error SECMAN:2011:Connection closed during command authorization. Probably due to an unknown command. After running condor_config_val -summary RELEASE_DIR = C:\condor LOCAL_CONFIG_FILE = $(LOCAL_DIR)\condor_config.local LOCAL_CONFIG_DIR = $(LOCAL_DIR)\config ALLOW_ADMINISTRATOR = SYSTEM@* condor@password Administrator@* <user_name>@* ALLOW_DAEMON = SYSTEM@* condor@password ALLOW_NEGOTIATOR = SYSTEM@* condor@password ALLOW_READ = * ALLOW_WRITE = * SEC_CLIENT_AUTHENTICATION = OPTIONAL SEC_DEFAULT_AUTHENTICATION = required SEC_DEFAULT_ENCRYPTION = required SEC_DEFAULT_INTEGRITY = required SEC_READ_AUTHENTICATION = OPTIONAL SECURITY_MODEL = 24.0 INSTALL_USER = <user_name> CONDOR_HOST = $(FULL_HOSTNAME) JAVA = C:\PROGRA~1\Java\JRE18~1.0_2\bin\java.exe MaxJobRetirementTime = 2147483647 NEGOTIATOR_CONSIDER_PREEMPTION = False DAEMON_LIST = MASTER COLLECTOR NEGOTIATOR STARTD Looking forward to your reply. Thanks again for the previous assistance. Regards Aravind From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> On Behalf Of John M Knoeller via HTCondor-users It is normal for condor_config.local to be empty after installation, the installer will put the configuration settings into c:\condor\condor_config which condor_config.local can override. Are you running condor_status on the same machine and as the same user that ran the installer? The issue may be authentication rather than authorization. If condor_status is failing, you can look in c:\condor\log\CollectorLog to see why it is refusing, The server side of the condor_status query will have more information. To make sure we see the right messages, we need to run condor_status in a way that prints a timestamp for the commands. so run this condor_status -debug:D_SECURITY This will print the client side of the command, which might be interesting, but mostly we are looking for the timestamp on the command. Then look in C:\condor\log\CollectorLog for that timestamp range, there should be messages in the collector log that indicate why it is refusing the condor_status query. The most likely reason is that condor_status cannot authenticate and therefore refuses to accept the command regardless of what ALLOW_READ is set to. It might also help if you run condor_config_val -summary and send us the output, that will tell us what your effective security configuration is. From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> on behalf of aravind.saligram@xxxxxx <aravind.saligram@xxxxxx> Hello to all experienced HT Condor users, I am experiencing a persistent issue after installing HTCondor on Windows using the instructions from your official documentation (Install Windows as Administrator). I am using the 24.9.0 snapshot version from the repository. After installation, when I run condor_status, I receive the following error: Error: communication error SECMAN:2011:Connection closed during command authorization. Probably due to an unknown command My local config file was initially empty; after searching through the internet, I found this to be the ideal config, but it does not seem to work: ALLOW_WRITE = * ALLOW_READ = * ALLOW_NEGOTIATOR = * I have followed all the steps in the official guide, including accepting the default access permission settings during installation. Despite this, the error persists, and I am unable to get status information from the pool. Could you please advise on how to resolve this issue? If you need any additional logs or configuration details, I am happy to provide them. I initially plan to test condor on my laptop and then try extending on my local cluster of standalone windows CPU’s. But somehow, I am stuck at the very basic step. Thank you for your assistance. |