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 »
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 »
Experiencing the following error when mounting a Windows CIFS share on a Linux machine? CIFS: Unable to determine destination address As suggested by the message, it technically should be the FQDN defined for the file server does not resolve. This is the most common issue for this error, to find out if it is your… Read More »
If your Windows Updates suddenly stopped working lately with the following error : 2024-01 Security Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5034439) Status: Download error – 0x80070643 This error could be related to : – Corrupted Windows component (run sfc /scannow) ; – Errors on filesystem (run chkdsk /F) ;… Read More »
The following error may occur when runnong “yum update” on a new installation of CloudLinux from official ISO : CloudLinux-8 – Gradual Rollout Slot 1 0.0 B/s | 0 B 00:00 Errors during downloading metadata for repository ‘cloudlinux-rollout-1’: – Curl error (58): Problem with the local SSL certificate for https://rollout.cloudlinux.com/slot-1/8/x86_64/repodata/repomd.xml [could not load PEM client… Read More »
To put a disk or block device in offline mode and delete it from the system, follow the following steps. This example will assume that we want to remove the 5th disk on the system (connected on controller 0, id 5 and seen as “sdf” and mounted as /mnt/disk5). REMARK: If you were using this… Read More »
Use the following PowerShell command (run as admin) to list and export all installed software on Windows and export to a text file : Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\* | Select-Object DisplayName, DisplayVersion, Publisher, InstallDate | Format-Table –AutoSize > C:\InstalledSoftware.txt This will save the output to C:\InstalledSoftware.txt
If you are used to “noop” kernel scheduler, you might have been stunned to see that it is nowhere to be found on Red Hat Enterprise Linux (RHEL), AlmaLinux, CentOS v8, Debian v10 and above : cat /sys/block/sda/queue/scheduler none [mq-deadline] kyber bfq Well, since then, it has been renamed from “noop” to “none”. So by… Read More »
The following message may show up the first time you SSH login to a X11 forwarding enabled machine : /usr/bin/xauth: file /home/%user/.Xauthority does not exist In order to workaround this issue, just do the following : 1. Create an empty file for the concerned user : touch /home/%user/.Xauthority 2. Change the user/group permission to match… Read More »