I have updated my Delphi IDE explorer expert to work with Delphi 12.
Delphi Custom Container Pack updated for Delphi 12
I have just updated the Delphi Custom Container Pack sources to support Delphi 12. It now compiles and installs. I have not tested it extensively. Discussion about this post in the international Delphi Praxis forum.
GExperts 1.3.23 Alpha for Delphi 12
Thanks mostly to the work Achim Kalwa put into the preparations I have now built an installer for GExperts 1.3.23 Alpha for Delphi 12. Note the word "Alpha" in the release name. Basically I installed Delphi 12, fixed some problems with the build scripts and compiled Achim's new project. Then I added the Delphi 12 … Continue reading GExperts 1.3.23 Alpha for Delphi 12
Delphi 12 is here
Delphi 12 (and Rad Studio 12 and C++ Builder 12) has been released and is available for Download from my.embarcadero.com.
When setting sshd PasswordAuthentication to no has no effect
After setting up ssh authentication via public/private key for my user account on my Ubuntu 22.04 server, I wanted to disable authentication via password for security reasons. So in /etc/ssh/sshd_conf I changed the entry PasswordAuthentication from yes (the default) to no: [plain] # To disable tunneled clear text passwords, change to no here! PasswordAuthentication no … Continue reading When setting sshd PasswordAuthentication to no has no effect
Using two factor authentication for ssh with Ubuntu 22.04
Since many of the instructions I found on the internet seem to be flawed or at least outdated, here is how I managed to enable two factor authentication (2fa) with (time based) OTP in Ubuntu 22.04 using the Google Authenticator PAM plugin. Note: When using ssh private/public key based authentication, no OTP prompt will be … Continue reading Using two factor authentication for ssh with Ubuntu 22.04
Preventing accidental data loss with ZFS
I have recently converted the file system of some of our Samba servers from ext4 to ZFS. The idea was to use ZFS's compression feature to reduce the space some excessingly large files consume which can be easily compressed to take less than 1/10 the space. This works fine. Today we found that a directory … Continue reading Preventing accidental data loss with ZFS
Troubleshoot SSL/TLS connection with Indy
Yesterday, all of a sudden, one of my Delphi programs failed to connect to various WMS servers on the internet. I got the following error message: Error connecting with SSL. error 1409442E:SSL routine:ssl3_read_bytes:tlsv1 alert protocol version Since I was using a recent version of Indy, this should not happen, according to this thread on Delphi … Continue reading Troubleshoot SSL/TLS connection with Indy
Exporting Windows drivers with pnputil
I recently came across an entry in c't Magazin's FAQ about backing up Windows drivers for a fresh Windows installation. Their suggestion was to utilise the pnputil tool that is included with Windows. Further research on the topic brought up numerous other articles. Strangely, the c't article recommended the use of a PowerShell command prompt … Continue reading Exporting Windows drivers with pnputil
Mein Vortrag von den Forentagen [german only]
Mein Vortrag von den Forentagen zum Thema Ansteuerung von Sensoren auf Messfahrzeugen aus Delphi ist jetzt als Download (OpenOffice Impress Format) verfügbar oder auch direkt in HTML. Ebenso die gezeigten Sourcecode-Ausschnitte.