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

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Archive for November 21st, 2014

em, rem, vh, vw, vmin, vmax, ex, ch… Good explainer on various CSS units – via G+

Posted by jpluimers on 2014/11/21

Thanks Ilya Grigorik for sharing this link to 7 CSS Units You Might Not Know About – Tuts+ Web Design Article :

em, rem, vh, vw, vmin, vmax, ex, ch… Good explainer on various CSS units and why and where you’d use them.

Recommended reading.

–jeroen

via: em, rem, vh, vw, vmin, vmax, ex, ch… Good explainer on various CSS units and….

Posted in CSS, Development, Software Development, Web Development | Leave a Comment »

running dig DNS under Windows

Posted by jpluimers on 2014/11/21

The dig (domain information groper) command under unix/Linux is a great way to help verify that a DNS host like BIND is working properly.

A few of my servers are Linux, but most of my desktops usually are Windows, so I was happy to find the Using the dig dns tool on Windows 7 article by Dan Esparza explaining there is a Windows version.

So I:

  1. Downloaded the Windows version of BIND (I took the BIND 9.9.2-P1 ZIP file)
  2. Unzipped that into my C:\BIN\BIND directory
  3. Ran this command, just like I would on a Linux box:
    dig @192.168.171.214 pluimers.com
  4. Checked the below output to the zone configuration on the openSUSE box serving the DNS for my domain

[sourcecode language=”text”]
; <<>> DiG 9.9.2-P1 <<>> @192.168.171.214 pluimers.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12911
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 6

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;pluimers.com. IN A

;; ANSWER SECTION:
pluimers.com. 172800 IN A 82.161.132.169

;; AUTHORITY SECTION:
pluimers.com. 172800 IN NS ns7.4delphi.com.
pluimers.com. 172800 IN NS ns6.4delphi.com.
pluimers.com. 172800 IN NS ns2.4delphi.com.
pluimers.com. 172800 IN NS ns1.4delphi.com.
pluimers.com. 172800 IN NS ns3.4delphi.com.

;; ADDITIONAL SECTION:
ns1.4delphi.com. 172800 IN A 82.161.132.169
ns2.4delphi.com. 172800 IN A 176.9.152.132
ns3.4delphi.com. 172800 IN A 176.9.152.131
ns6.4delphi.com. 172800 IN A 109.70.6.22
ns7.4delphi.com. 172800 IN A 176.9.143.167

;; Query time: 15 msec
;; SERVER: 192.168.171.214#53(192.168.171.214)
;; WHEN: Wed Jan 02 16:07:58 2013
;; MSG SIZE rcvd: 235
[/sourcecode]

–jeroen

via Dig (command) – Wikipedia, the free encyclopedia.

Posted in *nix, Linux, openSuSE, Power User, SuSE Linux, Windows, Windows 7 | Leave a Comment »