# Output of the log file seems suspicious **URL:** \ **Category:** Users/Site Administrators\ **Created:** [March 31, 2022, 7:26pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058 "2022-03-31T19:26:21Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![watzinki](https://avatars.discourse-cdn.com/v4/letter/w/f04885/32.png) [@watzinki](https://community.openpbs.org/u/watzinki)\ **Post date:** [March 31, 2022, 7:26pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/1 "2022-03-31T19:26:22Z")
Hi All, To me, it seems like my system is running OK, but the output of the mom\_log file below made me think that something may be wrong. All the slave nodes have similar outputs as below. I would appreciate it if someone could take a look and tell me that the output is OK and there is nothing to worry about. 03/31/2022 23:46:31;0004;pbs\_mom;Fil;2906.hep-node0.ER;lost connection 03/31/2022 23:46:31;0001;pbs\_mom;Svr;pbs\_mom;No such file or directory (2) in is\_child\_path, Failed to allocate memory 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;Job files not copied:----\>\>\>\> 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;Unable to copy file /var/spool/pbs/spool/2906.hep-node0.ER to [comcomproxy1.com.com](http://comcomproxy1.com.com):/dev/null 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;\>\>\> error from copy 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;[comcomproxy1.com.com](http://comcomproxy1.com.com): Connection timed out 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;[proxy1.com.com](http://proxy1.com.com), user ali\_0, command scp -v -r -p -t /dev/null 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;OpenSSH\_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;debug1: Reading configuration data /etc/ssh/ssh\_config 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;debug1: /etc/ssh/ssh\_config line 61: Applying options for \* 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;debug1: Connecting to [comcomproxy1.com.com](http://comcomproxy1.com.com) [45.11.57.36] port 22. 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;debug1: connect to address 45.11.57.36 port 22: Connection timed out 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;ssh: connect to host [comcomproxy1.com.com](http://comcomproxy1.com.com) port 22: Connection timed out 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;lost connection 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;\>\>\> end error output 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;Output retained on that host in: /var/spool/pbs/undelivered/2906.hep-node0.ER 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;----\>\>\>\> 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;staged 2 items out over 0:09:02 03/31/2022 23:46:31;0008;pbs\_mom;Job;2906.hep-node0;no active tasks 03/31/2022 23:46:31;0008;pbs\_mom;Job;2921.hep-node0;no active tasks 03/31/2022 23:46:31;0080;pbs\_mom;Req;req\_reject;Reject reply code=15051, aux=0, type=54, from root@192.168.1.1:15001 03/31/2022 23:46:31;0100;pbs\_mom;Job;2906.hep-node0;Obit sent 03/31/2022 23:46:31;0100;pbs\_mom;Req;;Type 6 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:46:31;0080;pbs\_mom;Job;2906.hep-node0;delete job request received 03/31/2022 23:46:31;0008;pbs\_mom;Job;2906.hep-node0;kill\_job 03/31/2022 23:46:31;0100;pbs\_mom;Req;;Type 6 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:46:31;0080;pbs\_mom;Job;2906.hep-node0;delete job request received 03/31/2022 23:46:31;0080;pbs\_mom;Req;req\_reject;Reject reply code=15001, aux=0, type=6, from root@192.168.1.1:15001 03/31/2022 23:46:31;0008;pbs\_mom;Job;2921.hep-node0;no active tasks 03/31/2022 23:46:31;0100;pbs\_mom;Req;;Type 1 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:46:31;0100;pbs\_mom;Req;;Type 3 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:46:31;0100;pbs\_mom;Req;;Type 5 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:46:31;0008;pbs\_mom;Job;2956.hep-node0;Started, pid = 26231 03/31/2022 23:47:58;0080;pbs\_mom;Fil;sys\_copy;command: /opt/pbs/sbin/pbs\_rcp -rp /var/spool/pbs/spool/2921.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=2 03/31/2022 23:50:16;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2921.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=3 03/31/2022 23:50:42;0008;pbs\_mom;Job;2921.hep-node0;no active tasks 03/31/2022 23:50:42;0080;pbs\_mom;Job;2956.hep-node0;task 00000001 terminated 03/31/2022 23:50:42;0008;pbs\_mom;Job;2956.hep-node0;Terminated 03/31/2022 23:50:42;0100;pbs\_mom;Job;2956.hep-node0;task 00000001 cput=00:04:11 03/31/2022 23:50:42;0008;pbs\_mom;Job;2956.hep-node0;kill\_job 03/31/2022 23:50:42;0100;pbs\_mom;Job;2956.hep-node0;hep-node0 cput=00:04:11 mem=12708kb 03/31/2022 23:50:42;0100;pbs\_mom;Job;2956.hep-node0;Obit sent 03/31/2022 23:50:42;0100;pbs\_mom;Req;;Type 54 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:50:42;0080;pbs\_mom;Job;2956.hep-node0;copy file request received 03/31/2022 23:52:24;0080;pbs\_mom;Fil;sys\_copy;command: /opt/pbs/sbin/pbs\_rcp -rp /var/spool/pbs/spool/2921.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=4 03/31/2022 23:52:45;0001;pbs\_mom;Fil;copy\_file;sys\_copy failed with status=1 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;Unable to copy file /var/spool/pbs/spool/2921.hep-node0.OU to [comcomproxy1.com.com](http://comcomproxy1.com.com):/dev/null 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;[comcomproxy1.com.com](http://comcomproxy1.com.com): Connection timed out 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;[proxy1.com.com](http://proxy1.com.com), user ali\_0, command scp -v -r -p -t /dev/null 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;OpenSSH\_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;debug1: Reading configuration data /etc/ssh/ssh\_config 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;debug1: /etc/ssh/ssh\_config line 61: Applying options for \* 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;debug1: Connecting to [comcomproxy1.com.com](http://comcomproxy1.com.com) [45.11.57.36] port 22. 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;debug1: connect to address 45.11.57.36 port 22: Connection timed out 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;ssh: connect to host [comcomproxy1.com.com](http://comcomproxy1.com.com) port 22: Connection timed out 03/31/2022 23:52:45;0004;pbs\_mom;Fil;2921.hep-node0.OU;lost connection 03/31/2022 23:52:45;0001;pbs\_mom;Svr;pbs\_mom;No such file or directory (2) in is\_child\_path, Failed to allocate memory 03/31/2022 23:52:50;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2956.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=1 03/31/2022 23:54:52;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2921.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=1 03/31/2022 23:54:57;0080;pbs\_mom;Fil;sys\_copy;command: /opt/pbs/sbin/pbs\_rcp -rp /var/spool/pbs/spool/2956.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=2 03/31/2022 23:56:59;0080;pbs\_mom;Fil;sys\_copy;command: /opt/pbs/sbin/pbs\_rcp -rp /var/spool/pbs/spool/2921.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=2 03/31/2022 23:57:15;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2956.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=3 03/31/2022 23:57:23;0008;pbs\_mom;Job;2921.hep-node0;no active tasks 03/31/2022 23:57:23;0008;pbs\_mom;Job;2956.hep-node0;no active tasks 03/31/2022 23:57:23;0080;pbs\_mom;Job;2937.hep-node0;task 00000001 terminated 03/31/2022 23:57:23;0008;pbs\_mom;Job;2937.hep-node0;Terminated 03/31/2022 23:57:23;0100;pbs\_mom;Job;2937.hep-node0;task 00000001 cput=00:23:19 03/31/2022 23:57:23;0008;pbs\_mom;Job;2937.hep-node0;kill\_job 03/31/2022 23:57:23;0100;pbs\_mom;Job;2937.hep-node0;hep-node0 cput=00:23:19 mem=12944kb 03/31/2022 23:57:23;0100;pbs\_mom;Job;2937.hep-node0;Obit sent 03/31/2022 23:57:23;0100;pbs\_mom;Req;;Type 54 request received from root@192.168.1.1:15001, sock=1 03/31/2022 23:57:23;0080;pbs\_mom;Job;2937.hep-node0;copy file request received 03/31/2022 23:59:17;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2921.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=3 03/31/2022 23:59:23;0080;pbs\_mom;Fil;sys\_copy;command: /opt/pbs/sbin/pbs\_rcp -rp /var/spool/pbs/spool/2956.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=4 03/31/2022 23:59:30;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/2937.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=1 03/31/2022 23:59:44;0001;pbs\_mom;Fil;copy\_file;sys\_copy failed with status=1 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;Unable to copy file /var/spool/pbs/spool/2956.hep-node0.OU to [comcomproxy1.com.com](http://comcomproxy1.com.com):/dev/null 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;[comcomproxy1.com.com](http://comcomproxy1.com.com): Connection timed out 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;[proxy1.com.com](http://proxy1.com.com), user ali\_0, command scp -v -r -p -t /dev/null 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;OpenSSH\_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;debug1: Reading configuration data /etc/ssh/ssh\_config 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;debug1: /etc/ssh/ssh\_config line 61: Applying options for \* 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;debug1: Connecting to [comcomproxy1.com.com](http://comcomproxy1.com.com) [45.11.57.36] port 22. 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;debug1: connect to address 45.11.57.36 port 22: Connection timed out 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;ssh: connect to host [comcomproxy1.com.com](http://comcomproxy1.com.com) port 22: Connection timed out 03/31/2022 23:59:44;0004;pbs\_mom;Fil;2956.hep-node0.OU;lost connection 03/31/2022 23:59:44;0001;pbs\_mom;Svr;pbs\_mom;No such file or directory (2) in is\_child\_path, Failed to allocate memory ---
**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\ **Post date:** [April 1, 2022, 8:38am UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/2 "2022-04-01T08:38:15Z")
1. make sure passwordless ssh/scp for all the users is working seamlessly without asking for password or confirmation of host key checking 2. edit /etc/pbs.conf on the pbs server host and compute node(s) and add these lines PBS\_RCP=/bin/false PBS\_SCP=/bin/scp in the same order and remove duplicate entries if any , restart the pbs services after making above updates ---
**Author:** ![watzinki](https://avatars.discourse-cdn.com/v4/letter/w/f04885/32.png) [@watzinki](https://community.openpbs.org/u/watzinki)\ **Post date:** [April 3, 2022, 9:42am UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/3 "2022-04-03T09:42:48Z")
Thank you @adarsh. I noticed that one of the nodes is having a problem with scp. Currently inside /etc/pbs.conf file, only the last item you indicated above exists. And seems everything works fine so far. I am not sure whether I need to add the first item then? ---
**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\ **Post date:** [April 3, 2022, 8:01pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/4 "2022-04-03T20:01:55Z")
> [@watzinki](#): > > And seems everything works fine so far. I am not sure whether I need to add the first item then? Thank you. It is better to have PBS\_RCP=/bin/false before or above PBS\_SCP line , to avoid openpbs trying to use rcp. ---
**Author:** ![watzinki](https://avatars.discourse-cdn.com/v4/letter/w/f04885/32.png) [@watzinki](https://community.openpbs.org/u/watzinki)\ **Post date:** [April 6, 2022, 2:20pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/5 "2022-04-06T14:20:39Z")
Well, I am having again the same output in the log files even though all nodes can communicate via ssh without a password. I placed the above two lines in the same order inside pbs.conf file as well. 04/06/2022 12:51:25;0080;pbs\_mom;Job;4048.hep-node0;copy file request received 04/06/2022 12:51:25;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/4048.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=1 04/06/2022 12:51:25;0080;pbs\_mom;Fil;sys\_copy;command: /bin/false -rp /var/spool/pbs/spool/4048.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=2 04/06/2022 12:51:36;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/4048.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=3 04/06/2022 12:51:36;0080;pbs\_mom;Fil;sys\_copy;command: /bin/false -rp /var/spool/pbs/spool/4048.hep-node0.OU [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=4 04/06/2022 12:51:57;0001;pbs\_mom;Fil;copy\_file;sys\_copy failed with status=1 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;Unable to copy file /var/spool/pbs/spool/4048.hep-node0.OU to [comcomproxy1.com.com](http://comcomproxy1.com.com):/dev/null 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;Executing: program /usr/bin/ssh host [comcomproxy1.com.com](http://comcomproxy1.com.com), user ali\_0, command scp -v -r -p -t /dev/null 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;OpenSSH\_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;debug1: Reading configuration data /etc/ssh/ssh\_config 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;debug1: /etc/ssh/ssh\_config line 60: Applying options for \* 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;ssh: Could not resolve hostname [comcomproxy1.com.com](http://comcomproxy1.com.com): Name or service not known 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;lost connection 04/06/2022 12:51:57;0001;pbs\_mom;Svr;pbs\_mom;No such file or directory (2) in is\_child\_path, Failed to allocate memory 04/06/2022 12:51:57;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/4048.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=1 04/06/2022 12:51:57;0080;pbs\_mom;Fil;sys\_copy;command: /bin/false -rp /var/spool/pbs/spool/4048.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=2 04/06/2022 12:52:08;0080;pbs\_mom;Fil;sys\_copy;command: /bin/scp -Brvp /var/spool/pbs/spool/4048.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=3 04/06/2022 12:52:08;0080;pbs\_mom;Fil;sys\_copy;command: /bin/false -rp /var/spool/pbs/spool/4048.hep-node0.ER [ali\_0@comcomproxy1.com.com](mailto:ali_0@comcomproxy1.com.com):/dev/null status=1, try=4 ---
**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\ **Post date:** [April 6, 2022, 2:33pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/6 "2022-04-06T14:33:52Z")
> [@watzinki](#): > > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;ssh: Could not resolve hostname [comcomproxy1.com.com](http://comcomproxy1.com.com): Name or service not known > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;lost connection Please check this Please also share your /etc/pbs.conf and /etc/hosts file Make sure hostname command retuns the correct hostname ---
**Author:** ![watzinki](https://avatars.discourse-cdn.com/v4/letter/w/f04885/32.png) [@watzinki](https://community.openpbs.org/u/watzinki)\ **Post date:** [April 6, 2022, 3:56pm UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/7 "2022-04-06T15:56:31Z")
Below is the output of pbs.conf file from master node. Last two lines are the same across all the nodes. PBS\_EXEC=/opt/pbs PBS\_SERVER=hep-node0 PBS\_START\_SERVER=1 PBS\_START\_SCHED=1 PBS\_START\_COMM=1 PBS\_START\_MOM=1 PBS\_HOME=/var/spool/pbs PBS\_CORE\_LIMIT=unlimited PBS\_RCP=/bin/false PBS\_SCP=/bin/scp hosts files are the same and in the same order across all the nodes as well. 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.1.107 hep-node7 ali\_0 192.168.1.106 hep-node6 ali\_0 192.168.1.1 hep-node0 ali\_0 192.168.1.102 hep-node2 ali\_0 192.168.1.105 hep-node5 ali\_0 192.168.1.104 hep-node4 ali\_0 192.168.1.101 hep-node1 ali\_0 192.168.1.103 hep-node3 ali\_0 ---
**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\ **Post date:** [April 7, 2022, 8:41am UTC](https://community.openpbs.org/t/output-of-the-log-file-seems-suspicious/3058/8 "2022-04-07T08:41:27Z")
> [@watzinki](#): > > 192.168.1.107 hep-node7 ali\_0 > 192.168.1.106 hep-node6 ali\_0 > 192.168.1.1 hep-node0 ali\_0 > 192.168.1.102 hep-node2 ali\_0 > 192.168.1.105 hep-node5 ali\_0 > 192.168.1.104 hep-node4 ali\_0 > 192.168.1.101 hep-node1 ali\_0 > 192.168.1.103 hep-node3 ali\_0 The alias **ali\_0** attached to each of the IP , could you remove it. Also, please check your /etc/ssh/ssh\_config file on the below message > [@watzinki](#): > > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;debug1: Reading configuration data /etc/ssh/ssh\_config > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;debug1: /etc/ssh/ssh\_config line 60: Applying options for \* > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;ssh: Could not resolve hostname [comcomproxy1.com.com](http://comcomproxy1.com.com): Name or service not known > 04/06/2022 12:51:57;0004;pbs\_mom;Fil;4048.hep-node0.OU;lost connection