Category Archives: Technical

“Rational” IT related entries.

Kerio Connect server connection errors after upgrading to version 9.2.6

Kerio Connect 9.2.6 introduced a limit for a number of simultaneous connections from a single IP address, which is — by default — set to 100 per protocol. If more than a hundred of users start using Kerio Connect from … Continue reading

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Make tojson filter in Jinja2 output Unicode instead of escape sequences

This wasn’t documented anywhere, but kudos to the Jinja2 devs for making this so easy to figure out from the source code.

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Fixing Windows Update: what to do when wuauserv refuses to stop

Every now and then my virtualized Windows 10 would stuck at “Checking for updates” or “Downloading updates: 0%”. The solutions on various websites suggest stopping the related system services (net stop wuauserv and net stop bits) and trashing the contents … Continue reading

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Where does the AppStore version of DaVinci Resolve Studio 12 store its projects?

Make sure to make regular backups of this folder:

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How to load VirtIO storage drivers in Windows System Restore

If you need to load VirtIO block storage driver (aka viostor) in Windows System Restore (aka Windows Recovery Mode) to recover your Windows virtual machine, take the following steps. (Also please read my note below).

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How to add an existing virtual disk to Proxmox

It’s trivial to create virtual disks in Proxmox, but what if you want to add an existing disk to a new virtual machine?

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Windows not detecting unallocated space after extending virtual disk

You’ve extended a virtual disk in Vmware or Proxmox for a Windows virtual machine, but the disk appears the same size in Disk Management?

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Sample AppleScript + Bash uninstaller

Should you ever need to write an uninstaller for your macOS app, feel free to base it on our project—written entirely in AppleScript and Bash: https://github.com/SmoothMouse/Uninstaller

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XQuartz.pkg stalls at “verifying” in El Capitan

I don’t know why OS X El Capitan sometimes fails to verify XQuartz 2.7.9 package (the process just gets stuck despite “Allow apps downloaded from anywhere” on “Enabled”). What I know, however, is that you can still install it via Terminal as easy … Continue reading

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Run Django dev server with Gulp

This is basically an extract from this excellent article by Caktus Group’s Calvin Spealman.

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