Tinkering in crafts, nature, electronics and IT
Virtualmin is a web-based management interface for servers based on the Linux operating system. The software offers a wide range of features that allow users to manage their servers efficiently. Thus, Virtualmin can be used to install and configure various types of web applications, databases and email services on a server. The software supports a … Read more
Telephone systems with an internal phone book allow easy dialing and recognition of callers on the connected system phones and within the system manufacturer’s software. But what to do if the phonebook with a few hundred contacts is to be transferred to another system which uses the VCF / vCard standard to import the data? … Read more
A domain controller significantly simplifies the administration effort even in small environments with only a few Windows computers and allows users to log on and access data across devices. Samba4 on Debian is an alternative to the classic Windows server with Active Directory role. Debian uses far fewer resources than Windows Server and certainly runs … Read more
On a Mac, how can access to a network share be established with just one click, regardless of the connected WiFi network? AppleScript allows you to determine the currently connected WiFi and then either directly mount the network share or, if the Mac is not connected to the WiFi network that contains the network drive, … Read more
How can you bring the RTSP video stream from surveillance cameras to screens with as little delay as possible using inexpensive hardware? One possible solution is VLC on a Raspberry Pi or Banana Pi with the armbian operating system. The instructions work with both single-board computers in the cheapest edition and can certainly be adapted … Read more
Initial situation The TYPO3 extension direct_mail does not send newsletters anymore. In the scheduler and in the system log the error message “Core: Exception handler (CLI): Uncaught TYPO3 Exception: The body of “Symfony\Component\Mime\Part\TextPart” must be a string or a resource (got “bool”). | TypeError thrown in file /…/vendor/symfony/mime/Part/TextPart.php in line 52″ Workaround Edit the file … Read more
On the web, SSL certificates are often sold as CRT files in response to a self-generated Certificate Signing Request (CSR). The delivery from the provider usually includes the Root CA Certificate, one or more Intermediate CA Certificates and finally the certificate for the own domain in CRT format. However, Microsoft IIS and other server services … Read more
Zammad is a great ticketing system that allows for efficient handling of support requests. However, when used with answering machines or Voice2Mail systems, the system has a weakness. Audio files, which are attached to the email, are not played directly in the ticket and in the web browser itself, but must first be downloaded. For … Read more
Initial situation Windows 10 doesn’t boot anymore, a BSOD appears with the message ‘Inaccessible Boot Device’. Even booting in safe mode is no longer possible as a result. A repair installation with retention of all data and programs cannot be started, because the setup does not find a Windows installation, although the existing Windows partition … Read more
Initial Situation: An existing Windows 10 installation with programs and files should be transferred to a new computer without reinstallation and data loss. The old computer has a mechanical SATA HDD and started Windows via Master Boot Record (MBR). The new machine has an NVMe SSD and can only boot in UEFI mode, it does … Read more