The “required insolation’ sector is added to support in-model decision on the limiting volumes and conditions.
This is not a public software, so please contact the author of the LSS Arch Tools for more questions.

Feb 25
Posted by ejs in Architecture, My job, programming, Software, Uncategorized | No Comments
The “required insolation’ sector is added to support in-model decision on the limiting volumes and conditions.
This is not a public software, so please contact the author of the LSS Arch Tools for more questions.
You must hae the CA configured properly, this no not the scope of this post.
The self-signed certficate is in the <hostname>.crt, the private key is in the <hostname>.key
openssl req -x509 -newkey rsa:4096 -keyout <hostname>.key -out <hostname>.crt -days 365
The request is in the <hostname>.csr, the private key is in the <hostname>.key.
-nodes option will turn off the password request, which is a Bad Idea for personal certificates and is sometimes used for server sertificates.
openssl req -newkey rsa:4096 -sha256 -nodes -out <hostname>.csr -outform PEM
mv mv privkey.pem <hostname>.pem
Make sure to adjust the Apache configuration accordingly, https://httpd.apache.org/docs/trunk/ssl/ssl_faq.html and https://raymii.org/s/tutorials/Strong_SSL_Security_On_Apache2.html
sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 2048
The request is in the <hostname>.csr, the signed certificates is in the <hostname>.crt.
openssl ca -policy signing_policy -extensions signing_req -out <hostname>.crt -infiles <hostname>.csr
The request is in the <hostname>.csr, the certificates is in the <hostname>.crt.
openssl x509 -in <hostname>.crt -text -noout
openssl req -text -noout -verify -in <hostname>.csr
When setting up authenticated SMTP service, be sure your IMAP server is accessible. The reason for this is Postfix will check the username using SASLauth daemon. And SASLauth damon uses “rimap” method for checking the username. Rimap is “remote IMAP”, and it tries to log into the configured IMAP service, which by default is defined as ‘localhost’.
Read the rest of this entry »Nov 13
Posted by ejs in Arduino, My job, Uncategorized | No Comments
We have a computer room in our local university, ind it’s quite bussy. The main problem it became (this is another story) too long to be usable and there was a strong demand for the screencast view right on the student’s workplace. Yes we do use beamers, but the view was too small to dead the text on the screen.
And so the project was born. There is single seat where the view originates and multiple locations where it should be visible. The system must be easily expandable and upgradeable, no vendor lock-ins. All the points in the systems should be easily adjustable and replaceable.
Read the rest of this entry »Just a tiny hole in the mesh may create a great mess.
The initial wind speed is 10 m/s, laminar aiflow. And the result is small F15+ class tornado int he Fujita scale.
Apr 7
Posted by ejs in Hobbies, Making, PHP, programming, Software | No Comments
I’m working oh hobby project on a free time, and one of the tasks here is to generate ODT file, containing output from the database. The output library i’ve chosen is PHP-ODT. It’s kind of basic, but allows to create ODT documents on the fly.
This code will create corrupt file, according to LibreOffice: | The correct code is: |
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Not in the base code yet
$pStyleDate = new ParagraphStyle(‘revDate’);
…
$pStyleDateStrike = new ParagraphStyle(‘revDate-strike’);
$pStyleDateStrike->setAsChild(‘revDate’);
Again, not in the base code yet:
$pStyleDateStrike->setLineThrough(StyleConstants::SINGLE);
Well, not in the base code and horizontally only:
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Okay guys, the log if filling with
sshd[20117]: Invalid user pi from 142.93.118.186 port 50416 sshd[20117]: input_userauth_request: invalid user pi [preauth] sshd[20117]: Received disconnect from 142.93.118.186 port 50416:11: Bye Bye [preauth] sshd[20117]: Disconnected from 142.93.118.186 port 50416 [preauth] sshd[20119]: Invalid user cubie from 5.189.227.161 port 39772 sshd[20119]: input_userauth_request: invalid user cubie [preauth] sshd[20119]: Received disconnect from 5.189.227.161 port 39772:11: Bye Bye [preauth] sshd[20119]: Disconnected from 5.189.227.161 port 39772 [preauth] sshd[20121]: Invalid user guest from 208.68.37.169 port 42858
Short how-to use the save virtual users both for receiving emails via IMAPS, and sending via SMTP, or just rants for myself:
Source for the ideas and setup
/etc/postfix/main.cf must contain:
smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
In the case you heed to to upgrade the Woodpecker CNC control board, you will have to overcome some issues.
First one, the firmware upgrade via USB is almost(?) impossible, due to the CH340 chip between USB socket and Atmeg328.
Second one, the ISP header IS present on the PCB, but is has 1,27mm (0,05″ or 50 mils) pitch. Usual ISP connectors comes to 2,54 mm (0,1″ or 100 mils) pitch. Read the rest of this entry »
Tags: CNC, GRBL, Woodpecker
My settings for 3018 DIY CNC machine with Woodpecker’s control board and GRBL 0.9j.20150930. Note the feed rate and acceleration on axes.
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