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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for November 20th, 2019

Any idea what exactly mean …licensed to test ??? My Delphi is…

Posted by jpluimers on 2019/11/20

Your Delphi “licensed to” might be totally different from what it is actually licensed to.

From [WayBack] Hello people, any idea what exactly mean …licensed to test ??? My Delphi is registered with a valid account, subscription, serial number and so on. – Dobrin Petkov – Google+, at least these sources might be used different from the actual licensee name:

  • the VLAN name
  • the Windows username of the one that installed it
  • the Windows licensee


Posted in Delphi, Development, Software Development | Leave a Comment »

xargs compressing lots of files using xz

Posted by jpluimers on 2019/11/20

One day, on a legacy Linux system, logrotate managed to skip some files in the middle of a sequence in /var/log.

Since I didn’t have time to sort out the cause (the system was being phased out), I used this to compress the rest of the log-files (dated in 2017):

sudo -u bash
pushd /var/log
ls | grep -vw xz | grep "\-20......$" | xargs -L 1 ls -alh

After that you can execute this in the same directory:

ls | grep -vw xz | grep "\-20......$" | xargs -L 1 time xz

It skips any xz files and includes only files in the year 2017.

I occasionally tracked progress with this:

ls -alh /var/log/ | grep -v xz | less

That got back a few gigabytes of disk space, just enough to help me migrate the system away.


Posted in *nix, *nix-tools, bash, logrotate, Power User | Leave a Comment »

git tag – How to delete a git remote tag? – Stack Overflow

Posted by jpluimers on 2019/11/20

When working with git, often the brevity of a solution is remarkable. Remembering how it can be so short is the hard part. An explanation why helps, for instance with [WayBackgit tag – How to delete a git remote tag? – Stack Overflow by markdorison.

He explains why you end up with:

git push --delete <origin> <tagname>

Here, <origin> is your remote, and <tagname> the tag to delete.

He explains other ways, which is done by [ as well:

# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push –delete origin tagName
git tag -d tagName


Posted in Development, DVCS - Distributed Version Control, git, Software Development, Source Code Management | Leave a Comment »

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