DCOM and OpenMPI - dcom

I did the DCOMCNFG with both the launch and the remote access permissions, granting my local logon on each node . Have OpenMPI_v1.6.1-x64 installed in root and remote machines. HAve specified the path of .exe in the target node. But while running the .exe from root node with mpirun. I am getting the following error:
D:\x64\Release>mpirun -np 2 -hostfile myhostfile.txt MPISample.exe
connecting to n1234
username:toney.mathew
password:********
Save Credential?(Y/N) n
[n1205:04420] Could not connect to namespace cimv2 on node n1234. Error code =-2147023174
--------------------------------------------------------------------------
mpirun was unable to start the specified application as it encountered an error.
More information may be available above.
--------------------------------------------------------------------------
[n1205:04420] [[28225,0],0] ORTE_ERROR_LOG: A message is attempting to be sent t
o a process whose contact information is unknown in file ..\..\..\openmpi-1.6.1\
orte\mca\rml\oob\rml_oob_send.c at line 145
[n1205:04420] [[28225,0],0] attempted to send to [[28225,0],1]: tag 1
[n1205:04420] [[28225,0],0] ORTE_ERROR_LOG: A message is attempting to be sent t
o a process whose contact information is unknown in file ..\..\..\openmpi-1.6.1\
orte\orted\orted_comm.c at line 126
and to be more specific, i am using windows7-64bit os in both nodes,with same same user loged in.

turned off firewall, and it worked smoothly.

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failed retrieving file from mirror.erickochen.nl

When I run pacman -Syu to update, it first shows no error, I normally update everything and after that, I run pacman -Syu again, it shows this, what is the reason and any solution?
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
error: failed retrieving file 'core.db' from mirror.erickochen.nl : Failed to connect to mirror.erickochen.nl port 443 after 5241 ms: Connection timed out
error: failed retrieving file 'extra.db' from mirror.erickochen.nl : Failed to connect to mirror.erickochen.nl port 443 after 5202 ms: Connection timed out
error: failed retrieving file 'community.db' from mirror.erickochen.nl : Failed to connect to mirror.erickochen.nl port 443 after 5202 ms: Connection timed out
warning: too many errors from mirror.erickochen.nl, skipping for the remainder of this transaction
:: Starting full system upgrade...
there is nothing to do
Sometimes mirrors go offline, it's recommended to have multiple mirrors so you don't have a single point of failure, as well as keeping mirrors updated. Using reflector is recommended since it also finds fast candidates based on your location.
For the time being, edit /etc/pacman.d/mirrorlist and uncomment a couple of mirrors, then try updating again.

Found error 'CRASH REPORT Process' on RabbitMQ in every 10 mins

I found error on RabbitMQ in every 10 mins. Please help me to investigate this problem.
Error message.
021-09-09 13:25:30.084 [error] <0.14464.32> CRASH REPORT Process <0.14464.32> with 0 neighbours crashed with reason: no function clause matching rabbit_mgmt_wm_node:find_type(rabbit#controller1, []) line 79
2021-09-09 13:25:30.085 [error] <0.14457.32> Ranch listener rabbit_web_dispatch_sup_15672, connection process <0.14457.32>, stream 1 had its request process <0.14464.32> exit with reason function_clause and stacktrace [{rabbit_mgmt_wm_no
I had the same issue with Zabbix monitoring the RabbitMQ server every minute which generated a crash-error with the same frequency.
The URL used by Zabbix to monitor contained a domain part to the node name ie. rabbit#my_host.zzz.aws instead of the actual node name as displayed by the console: rabbit#my_host. this explains why rabbit_mgmt_wm_node:find_type failed and crashed.
This was verified using curl as shown below:
curl -v -u user:passwd 'http://127.0.0.1:15672/api/nodes/rabbit#my_host?memory=true'
which returned a valid response, HTTP/1.1 200 OK, when the node name matched and the crash/error when it did not.
please refer to this thread:
https://groups.google.com/g/rabbitmq-users/c/N0EgrLn55XQ

ftplib.error_perm: 550 Create directory operation failed while using FTP_TLS

I am trying to connect to a secure FTP server created based on this link. I have not followed step 8 in the link. I am able to establish the connection and also change and print directories but am unable to create new directories. I am also unable to fetch files list.
Here is my code snippet:
import ssl
from ftplib import FTP_TLS
import sys
import os
import os.path
def connect():
ftp = FTP_TLS()
ftp.debugging = 2
ftp.connect('ipaddress', 21)
ftp.set_pasv(False)
ftp.login('user', 'passwd')
return ftp
ftps = connect()
destdir = "/"
try:
resp = ftps.pwd()
ftps.cwd(destdir)
except Exception:
ftps.mkd(destdir)
print(resp)
root = 'C:\\Users\\****\\****\\Logs' # local dir
for (dir, _, files) in os.walk(root):
newdir = destdir+dir[len(root):len(dir)].replace("\\", "/")
print(newdir)
try:
ftps.cwd(newdir)
except Exception:
ftps.mkd(newdir)
I am using python 3.7.3 and the corresponding ftplib. I would be happy to provide any other details required.
PS: I am able to connect with Filezilla and create directories.
This is the error after running.
I am able to create the directories successfully once I change the dir to /logs. I am getting an error "ftplib.error_perm: 500 Illegal PORT command." whenever I send cmd like retrlines or storbinary
, I get this error
I have searched about this and people have asked to set it to pasv mode. When I do that, I get this error. FYI, I have enabled pasv mode in the config file
I tried changing the port number to a number between pasv ports enabled in the config file (between 30000-31000). It does not connect also in this case. Error returned "ConnectionRefusedError: [WinError 10061] No connection could be made because the target machine actively refused it"
I am working the first time with an FTP server or for that matter any server communications, so my problems might seem trivial. I am sorry for your trouble.
Thanks.

mbsync authentication failed

I was able to configure mbsync and mu4e in order to use my gmail account (so far everything works fine). I am now in the process of using mu4e-context to control multiple accounts.
I cannot retrieve emails from my openmailbox account whereas I receive this error
Reading configuration file .mbsyncrc
Channel ombx
Opening master ombx-remote...
Resolving imap.ombx.io... ok
Connecting to imap.ombx.io (*.*.10*.16*:*9*)...
Opening slave ombx-local...
Connection is now encrypted
Logging in...
IMAP command 'LOGIN <user> <pass>' returned an error: NO [AUTHENTICATIONFAILED] Authentication failed.
In other posts I've seen people suggesting AuthMechs Login or PLAIN but mbsync doesn't recognizes the command. Here is my .mbsyncrc file
IMAPAccount openmailbox
Host imap.ombx.io
User user#openmailbox.org
UseIMAPS yes
# AuthMechs LOGIN
RequireSSl yes
PassCmd "echo ${PASSWORD:-$(gpg2 --no-tty -qd ~/.authinfo.gpg | sed -n 's,^machine imap.ombx.io .*password \\([^ ]*\\).*,\\1,p')}"
IMAPStore ombx-remote
Account openmailbox
MaildirStore ombx-local
Path ~/Mail/user#openmailbox.org/
Inbox ~/Mail/user#openmailbox.org/Inbox/
Channel ombx
Master :ombx-remote:
Slave :ombx-local:
# Exclude everything under the internal [Gmail] folder, except the interesting folders
Patterns *
Create Slave
Expunge Both
Sync All
SyncState *
I am using Linux Mint and my isync is version 1.1.2
Thanks in advance for any help
EDIT: I have run a debug option and I have upgraded isync to version 1.2.1
This is what the debug returned:
Reading configuration file .mbsyncrc
Channel ombx
Opening master store ombx-remote...
Resolving imap.ombx.io... ok
Connecting to imap.ombx.io (*.*.10*.16*:*9*)...
Opening slave store ombx-local...
pattern '*' (effective '*'): Path, no INBOX
got mailbox list from slave:
Connection is now encrypted
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Openmailbox is ready to
handle your requests.
Logging in...
Authenticating with SASL mechanism PLAIN...
>>> 1 AUTHENTICATE PLAIN <authdata>
1 NO [AUTHENTICATIONFAILED] Authentication failed.
IMAP command 'AUTHENTICATE PLAIN <authdata>' returned an error: NO [AUTHENTICATIONFAILED] Authentication failed.
My .msyncrc file now contains these options instead
SSLType IMAPS
SSLVersions TLSv1.2
AuthMechs PLAIN
At the end, the solution was to use the correct password. Since openmailbox uses an application password for third-party e-mail clients I was using the wrong (original) password instead of the application password.

configure Zend server CE if a machine doesn't support ipv6

I have installed latest Zend Server CE in my notebook (it has Win 7 installed) and then
I installed it on my desktop machine. But when you start server controller there is an alert saying Connection refused (or timed out)
What's the problem?
When I start server http://localhost:10081/ZendServer/
the following message appears
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, admin#example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
and apache works well in the following address http://localhost:81
when i telnet localhost 10081 there is a reply !!!
I found from the inet http://forums.zend.com/viewtopic.php?f=8&t=7518 that it's because of not having ipv6 support, I am running windows xp3 on my desktop
how to disable default ipv6 support in Zend conf?
how to fix this problem or should I switch to win 7 (my desktop)?
Thanks in advance!
I had a similar problem, on Debian Squeeze after an upgrade to the currently latest version of Zend from the zend apt repo, [deb http://repos.zend.com/zend-server/deb server non-free] . The Zend gui fails.
zend-server-ce-php-5.3 5.5.0+b63
Log in /usr/local/zend/gui/lighttpd/logs/php.log throws this exception.
[10-Jan-2012 11:20:03] PHP Fatal error: Uncaught exception 'Exception' with message 'Unknown application version' in /usr/local/zend/gui/application/CheckDependencies.php:28
Stack trace:
#0 /usr/local/zend/gui/html/index.php(16): CheckDependencies::getChecker('INSTALLATION_PL...')
#1 {main}
thrown in /usr/local/zend/gui/application/CheckDependencies.php on line 28
The problem is the zend-server.ini file in /usr/local/zend/gui/application/data/zend-server.ini But after doing the changes shown below it seems to work ok again.
--- zend-server.ini 2012-01-05 16:45:29.000000000 +0100
+++ zend-server.ini 2012-01-10 12:01:37.000000000 +0100
## -3,7 +3,7 ##
[zendServer]
version = 5.6.0
-edition = INSTALLATION_PLACEHOLDER_GUI_EDITION
+edition = CE
devEnv=0
This is Zend's default error message, meaning you have some error in the php script you are running. By default, your php.ini file in Zend is configured to report errors, but not specifically state what errors had occurred, which makes this case hard to diagnose. My recommendation is that if you are using this server for debugging purposes, go to your Zend php.ini file (typically C:\Program Files\Zend\ZendServer\etc) and search for "display_errors" and change its default value from "Off" to "On". This will allow you to see the specific error PHP is encountering rather than getting the generic Zend error message.