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

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Archive for February, 2018

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Getting close to 7zip GUI “Ultra” compression from a batch file

Posted by jpluimers on 2018/02/23

These are the command-line parameters I assembled to get close to “Ultra” compression from the 7-zip command-line:

"C:\Program Files\7-Zip\7z.exe" a -t7z -m0=lzma2:d1024m -mx=9 -aoa -mfb=64 -md=32m -ms=on -sdel filename archive.7z

This will move filename to archive.7z using maximum compression.

Sometimes this is slightly better than “Ultra” compression from the 7-zip UI, sometimes slightly worse, but never far apart.

via:[WayBack] batch file – 7zip Ultra LZMA2 compression – Stack Overflow

–jeroen

Posted in Uncategorized | Leave a Comment »

Can you save money by using a battery to buy your electricity cheaper?

Posted by jpluimers on 2018/02/22

This is a reminder to write a longer post on [WayBack] Using batteries to save moneyWith the new Tesla factory, battery prices are expected to drop to 100$/KWh.This leads up to an interesting question.Can you save money by using a battery to buy your electricity cheaper?… – Kristian Köhntopp – Google+

By now it’s almost a year ago since I got my (City-Zen Smart City) battery. With about 50 households, we form a virtual energy provider that – because of size – can buy cheaper and sell higher than individual households.

Hopefully in a few months from now, I will have some figures that I can put into an article.

Bug me soon to start writing it (:

–jeroen

Posted in LifeHacker, Power User | Leave a Comment »

Google URLs with funny results

Posted by jpluimers on 2018/02/22

https://www.google.com/search?q=blink+html

https://www.google.com/search?q=askew

https://www.google.com/search?q=recursion

Posted in Fun, Google, GoogleSearch, Power User | Leave a Comment »

Interesting IKEA BEKANT desks via AOC U3277PWQU 4K 32″ monitor.

Posted by jpluimers on 2018/02/21

via [WayBack] Trying out a new AOC U3277PWQU 4K 32″ monitor. (31.5″ to be exact). It definitively looks like a keeper :)I am actually using it at 100% font size atm… – Lars Fosdal – Google+

Interesting desks: IKEA BEKANT:

You can electrically adjust the desktop height seamlessly from a low sitting to a high standing position.

--jeroen

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Posted in IKEA hacks, LifeHacker, Power User | Leave a Comment »

Searching for Windows shutdown messages in the event log

Posted by jpluimers on 2018/02/21

Searching for shutdown isn’t enough as frequent WAS messages also contain that search string.

Searching for shutdown of will work as they match both these:

The process C:\Windows\system32\shutdown.exe (COMPUTERNAME) has initiated the shutdown of computer COMPUTERNAME on behalf of user COUNTERS\Administrator for the following reason: No title for this reason could be found
Reason Code: 0x800000ff
Shutdown Type: shutdown
Comment: 

and

The reason supplied by user DOMAIN\Username for the last unexpected shutdown of this computer is: Other (Unplanned)
Reason Code: 0xa000000
Problem ID: ######
Bugcheck String:
Comment: VM host failure

–jeroen

Posted in Power User, Windows, Windows Server 2008 | Leave a Comment »

Code Review Checklist – CodeProject

Posted by jpluimers on 2018/02/20

Still relevant: [WayBack] Code Review Checklist – CodeProject

[WayBack]  Best “Everything Else” Article of November 2016 Ebenezar John Paul – Code Review Checklist… – CodeProject – Google+

–jeroen

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Posted in Agile, Code Quality, Code Review, Development, Software Development | Leave a Comment »

Atom.io package pandoc convert requires pdflatex for converting to pdf

Posted by jpluimers on 2018/02/20

It’s a bit hard to copy the error messages that only last a second or so, but I finally managed to:

File 0Project 0No Issues20170204.rst1:1
LF19 L | 168 W | 2329 CUTF-8reStructuredTextmaster1
[pandoc-convert]
Command failed: /usr/local/bin/pandoc --standalone --to=latex --output=/Users/jeroenp/20170204.rst.pdf /Users/jeroenp/20170204.rst pandoc: pdflatex not found. pdflatex is needed for pdf output.

In order to have pdflatex on my Mac OS X installation, I had to do this:

brew install Caskroom/cask/mactex

This will install pdflatex as

/Library/TeX/texbin/pdflatex

–jeroen

Posted in atom editor, Power User, Text Editors | Leave a Comment »

Cleaning up a huge “Console.log” file on SBS 2008

Posted by jpluimers on 2018/02/19

You might think the Console.log belongs Console.exe. That’s right, but that’s a different thing than the Windows Command prompt that many people call console, but is in fact C:\Windows\System32\cmd.exe on a default Windows installation.

C:\Program Files\Windows Small Business Server\Logs>dir console.log

It belongs to the SBS 2008 console which you can access using the https://sbs2008serverIP/remote (for more details, read [WayBack] Accessing Windows SBS Console) and is served by:

C:\Program Files\Windows Small Business Server\Bin\console.exe

It is started when any user logs on (which is sort of odd) and never log-rotates the log file but keeps the log file locked when the process executes.

So the only way to get rid of a really big console.log file is this:

  1. Terminate console.exe in the Task Scheduler (taskschd.msc)
  2. Move away the old C:\Program Files\Windows Small Business Server\Logs>dir console.log file
  3. Start console.exe in the Task Scheduler or logoff/logon

Further reading:

–jeroen

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Posted in Power User, Windows, Windows Server 2008 | Leave a Comment »

Cleaning up a huge “DataServiceComponents.log” file on SBS 2008

Posted by jpluimers on 2018/02/19

When cleaning out an old SBS 2008 Servers, I saw a huge “DataServiceComponents.log” file. [WayBack] SBS 2008 disk space and the DataServiceComponents.log file – Oxford SBS Guy indicated how to clean it up and pointed to [WayBack] Recovering Disk Space on the C: Drive in Small Business Server 2008 | The Windows Server Essentials and Small Business Server Blog.

Both posts have the problem that many backslashes missing in the the various paths.

So this is how I cleaned the DataServiceComponents.log file using an UAC command prompt:

C:\Program Files\Windows Small Business Server\Logs\MonitoringServiceLogs
net stop DataCollectorSvc
"C:\Program Files\7-Zip\7z.exe" a -t7z -m0=lzma2 -mx=9 -aoa -mfb=64 -md=32m -ms=on -sdel DataServiceComponents-backup.7z DataServiceComponents.log
net start DataCollectorSvc

Note that DataCollectorSvc is the shorthand for the Windows SBS Manager service.

–jeroen

Posted in Power User, Windows, Windows Server 2008 | Leave a Comment »

Nas4free – keeping an eye on the daily increase of ZFS disk usage

Posted by jpluimers on 2018/02/16

Assuming your nas4free is at https://nas4free, this page will give you the daily increase of ZFS usage:

https://nas4free/disks_zfs_snapshot.php

There you can estimate based on the snapshot history how soon you will run out of ZFS storage.

This is especially important when you have a retention configured using ZFS [WayBack] auto snapshots. Under the same assumption, those are configured at  https://nas4free/disks_zfs_snapshot_auto.php in order to support “Previous Versions” on CIFS shares using those ZFS volumes.

Note nas4free is way harder to configure in this respect than freenas, see for instance this article: [WayBack] The Ars NAS distribution shootout: FreeNAS vs NAS4Free | Ars Technica. Luckily there is this small guide to get you going [WayBack] Jason’s Notes » Blog Archive » Windows previous versions for ZFS backed Samba shares

In the logs at https://nas4free/diag_log.php you can view the snapshot management: when they are created and removed. When you have trouble with the snapshots, monitor your Nas4free version at https://nas4free/system_firmware.php.. For me, NAS4Free 10.3.* seem very stable.

If you for instance have a 5 gigabyte nightly backup written to such a snapshot volume and the volume has 500 gigabytes of free space, a retention of 100 days it will fill up after 100 days.

–jeroen

PS: background reading:

 

 

Posted in *nix, nas4free, Power User, ZFS | Leave a Comment »

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