Your Windows 11 system may display the following error while running Windows Update at some point : Your device is missing important security and quality fixes For some reasons, the OS might be stuck at release 22H1 or 22H2 and without updates, with the message mentioned above. This behavior is known and referenced in Microsoft… Read More »
The following error may occur while attempting to upgrade JunOS with newer version. In this particular case, it occurred on a EX4300 running 18.4R3-S1.3 (and the target version was 19.4R3-S14.1). Due to limited flash memory size and constantly increasing size of newer software version, this issue may become increasingly common on some more entry level… Read More »
Dell Display Manager (or DDM) is a nice to have if you have Dell monitors, and unavoidable if you have the 43 inch monitor with the built-in KVM. Sadly, I noticed major slow down and high CPU consumption on my Mac M1 Pro since the beginning of the year. Looking at the Activity Monitor (or… Read More »
Recently with VMware Fusion 13.6.3 on macOS Sequoia 15.x, the application keep asking if the VM was “Moved” or “Copied” when the VM in question has been cloned, every time a start operation is executed, regardless if the question was asked and answered previously. It seem to be a known issue and the only way… Read More »
Apache mod_rewrite is a very popular server module that, as per name, manage URL rewriting in a very flexible manner. With the constant run around between server admins and developers (developers claiming : that’s the server, not the code – and the other way around for sysadmins : that’s the code, not the server); testing… Read More »
I recently faced recurrent and intermittent e-mail issue with macOS 15, where Mac Mail or Microsoft Outlook were in “disconnected mode”, unable to establish IMAP connection to fetch mail or SMTP connection to send mail. NOTE : This example will assume that the remote mail service that we cannot connect from is “mail.itechlounge.net”. Here are… Read More »
I recently encountered the following error while running SysPrep on a Windows Server 2022 machine recently : Sysprep was not able to validate Windows Installation. Looking at the SysPrep logs is necessary in order to find more about the error that was triggered. Here is the various locations of SysPrep logs : Generalize %WINDIR%\System32\Sysprep\Panther Specialize… Read More »
There are many reasons why you’d like to disable an app from the server terminal, such as when an app upgrade went wrong and NextCloud is stuck in the process. Once logged with SSH to your server, do the following : 1. Go to your NextCloud installation folder : cd /path/to/nextcloud Optional : If you… Read More »
Got the following entry in your mysqld.log or mariadb.log? [Warning] Aborted connection 154669 to db: ‘db_name’ user: ‘db_user’ host: ‘hostname’ (Got an error reading communication packets) This is usually related to the “max_allowed_packet” parameter. Try increasing the value and see if it persist. 1. Check current parameter for max_allowed_packet: show variables like ‘max_allowed_packet’; Output will… Read More »
Getting the following error while accessing a SMB/CIFS shared folder from a Windows client machine? You can’t access this shared folder because your organization’s security policy block unauthenticated guest access. These policies help to protect your PC from unsafe or malicious devices on the network. After investigating and making sure you want to enable unauthenticated… Read More »