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Linux : cPanel outgoing email return “this server is not permitted to relay through this server without authentication”

Recently, without any change, I noticed that some cPanel servers stop sending email and return the following error: 550-Please turn on SMTP Authentication in your mail client. 550-hostname.domain.tld [0.0.0.0]:00000 is not permitted to relay 550 through this server without authentication. What is really puzzling in that case is that this message showed up even though… Read More »

Linux : R1Soft Backup Server manager stuck on “This may take several minutes” forever

I came across the following issue recently, where R1Soft backup server service was just restarted and showing the page that indicate that the service is currently in the starting process ; Idera Server Backup Manager This may take several minutes If you are the administrator, check the log files for details. Otherwise, please check back… Read More »

Linux : How to disable the message “Activate the web console with…” on RHEL 8

Red Hat introduced “Cockpit” starting with version 8 of their operating system. For that matter, they have added a banner at login that suggest how to enable it as followed: Activate the web console with: systemctl enable –now cockpit.socket If you have no business using it, you might want to get rid of that banner… Read More »

Web: ownCloud Transactional file locking should be configured

Getting the following notice from your ownCloud administrator account setting page? Transactional file locking should be configured ownCloud have the capability of managing file/folder locking on its own, on top of the filesystem. This is a must-have feature especially for large, busy, multi-users servers, and especially when users use their account on multiple devices. You… Read More »

Linux : How to create a SAN SSL certificate request

This procedure will show you how to create Subject Alternate Name (SAN), or in other words, a certificate request with multiple Common Name (CN) DNS aliases. It order to do so, we need to create a CSR request template as shown below: 1. Create the certificate request template as followed: [req] distinguished_name = req_distinguished_name req_extensions… Read More »

Linux : cPanel The service “imap” appears to be down

Encountering the following issue with Dovecot/IMAP service on your cPanel server lately? The service “imap” appears to be down Reason TCP Transaction Log: << * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE NAMESPACE LITERAL+ STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready. >> A001 LOGIN __cpanel__service__auth__imap__nJl5Hcz7gc9iiv1r V0TeDQVaynp8zl9g << * BYE Internal error occurred. Refer to server log… Read More »

PanOS : Failed to load into software manager

The following error message may happen from time to time when attempting to load new software version in Palo Alto Firewall or Panorama : Successfully downloaded Preloading into software manager Error: Image File Authentication Error Failed to load into software manager. Please retry. Post processing failed. Please retry PanOS always do software image integrity check… Read More »

Windows : Update error 0x80092004 on Windows 7 or Server 2008

If you encounter error 0x80092004 while installing updates on Windows 7 or Server 2008 R2, it is most likely due to some cryptography issues (CRYPT_E_NOT_FOUND). To workaround this problem, you need to manually install the following update(s) : SHA-2 code signing support update for Windows Server 2008 R2, Windows 7, and Windows Server 2008: September… Read More »

Linux : R1Soft hcp module error : Could not init mrf hash!

R1Soft backup may fail in some circumstances, even though no change occurred, the agent and kernel hcp module properly installed with message that the replication driver was not detected as shown below : 8/26/20 5:14:58 PM Error Protected Machine An exception occurred during the request. The replication driver was not detected (detail: An error occurred… Read More »

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