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Updated: 52 min 21 sec ago

What exactly is the flow of DHCP w/DDNS Updates using bind9 and isc-dhcp-server?

Fri, 2017-03-24 02:59

I decided to setup a DHCP & DNS server on my Ubuntu Server 14.04 at home. Primarily just for educational purposes, but it is useful, albeit a bit overkill, for my home network.

After spending 2 nights working through some stupid permissions issues related to our buddy apparmor, I finally got to where there are no errors and everything looks as it should:

Mar 23 21:24:38 ubuntu-gateway dhcpd: DHCPDISCOVER from 44:85:00:4d:49:37 via eth0 Mar 23 21:24:39 ubuntu-gateway dhcpd: DHCPOFFER on 192.168.10.119 to 44:85:00:4d:49:37 (MMMM- LENOVO) via eth0 Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: signer "rndc-key" approved Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: updating zone 'linux.xxxx/IN': adding an RR at 'MMMM-LENOVO.linux.mxxxx' A Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: updating zone 'linux.xxxx/IN': adding an RR at 'MMMM-LENOVO.linux.xxxx' TXT Mar 23 21:24:39 ubuntu-gateway dhcpd: DHCPREQUEST for 192.168.10.119 (192.168.10.22) from 44:85:00:4d:49:37 (MMMM-LENOVO) via eth0 Mar 23 21:24:39 ubuntu-gateway dhcpd: DHCPACK on 192.168.10.119 to 44:85:00:4d:49:37 (MMMM-LENOVO) via eth0 Mar 23 21:24:39 ubuntu-gateway dhcpd: Added new forward map from MMMM-LENOVO.linux.mxxxx to 192.168.10.119 Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: signer "rndc-key" approved Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: updating zone '10.168.192.in-addr.arpa/IN': deleting rrset at '119.10.168.192.10.168.192.in-addr.arpa' PTR Mar 23 21:24:39 ubuntu-gateway named[4183]: client 192.168.10.22#56110/key rndc-key: updating zone '10.168.192.in-addr.arpa/IN': adding an RR at '119.10.168.192.10.168.192.in-addr.arpa' PTR Mar 23 21:24:39 ubuntu-gateway dhcpd: Added reverse map from 119.10.168.192.10.168.192.in-addr.arpa. to MMMM-LENOVO.linux.mxxxx

However, when checking the actual zone files, I don't see the records, though dns operations do seem to work. I see that it creates the .jnl files and I assume that is where the DNS is getting its info from?

After researching, I see that I can basically write the jnl info into the zone files by the freeze, reload, thaw method on rndc.

That being said, how should this whole process work?

Is the jnl file where I should keep my entries?

What is the difference in leaving them here and writing them to the zone file?

If a lease expires and no longer needs to be in DNS, will the freeze, reload, thaw process clear it out of the DNS zone file?

Does this DDNS update no happen automatically? Thus, if not, do I need to set up a chron for the freeze, reload, thaw every so often? If so, recommendations on how often?

Thanks!

submitted by /u/shelzmike
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My graphic design buddy is looking to make some new logos for any and all open source projects!

Fri, 2017-03-24 01:45

Hello everyone,

My friend is wanting to create a few logos for open source projects as a donation of sorts. His styling is modern and slick and best part is: no strings attached!

If you are interested in getting a logo for your open source project, PM me and link me to your project and we can make you one. :)

Thanks!

submitted by /u/THEMCV
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What VPN should I use?

Fri, 2017-03-24 01:31

My school blocks a lot of websites including steam the arch wiki, so what vpn should I use?

submitted by /u/XxAJaxsprayandwipexX
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fx64linux f25 released

Thu, 2017-03-23 22:49

fx64linux f25 released http://www.fx64.net FX64 Linux is a Fedora 25 based distro. Google Chrome/Chromium, Java IcedTea, Adobe Flash Player, Skype & RAR preinstalled. Hand picked essential system, office, multimedia and internet applications. Updates directly from the official Fedora, RPM Fusion and Adobe repositories. Comes with Gnome, Cinnamon and Fluxbox. Thousands of free applications for every need directly from the open source community. Clean, lean and feature rich FREE AS IN BEER experience!

submitted by /u/ev00rg
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Perf laptop for Debian/Ubuntu based linux

Thu, 2017-03-23 22:24

From the top apologize for spam, but where i can find fresh/actual list of ultrabooks fully supported by Debian/Ubuntu? After installation i want basics working out of the box, without loude fan ob 2% CPU usage, working WiFi B/G/N, Bluetooth and other basic stuff.

submitted by /u/krzyszczep
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My experience with Debian.

Thu, 2017-03-23 19:34

Install Debian xfce on my desktop with a Nvidia card, boot up and as expected got issues with awful screen tearing.

Decide to install Nvidia proprietary drivers, i follow exactly the guide on the Debian wiki https://wiki.debian.org/NvidiaGraphicsDrivers .

Reboot, blank screen. Really?

submitted by /u/Burt_93
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libinput 1.7.0

Thu, 2017-03-23 19:34

Bash script upload to google drive

Thu, 2017-03-23 19:22

So I have a project i've been working on that finds prime numbers. I want to add a feature where it uploads it's data to google drive periodically for safe keeping.

I found this script: https://github.com/labbots/google-drive-upload which I am reading through to make sure it does what it says it does.

Does anyone here know of a good efficient way to upload a file to google drive? Bonus points if it'll overwrite the previous version.

submitted by /u/idiotninja
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Display problem

Thu, 2017-03-23 18:57

Hello reddit so every time I try to live boot into linux I get this message. The current input timing is not supported by the display. Please change your input timing to 1920x1080@60hz or any other monitor listed timing as per the monitor specifications. This problem first occured when I got my new pc but there wasnt any issues on the old pc. Also I can boot to windows 7 just fine

submitted by /u/Meruem_HxH
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The Linux community needs to organize.

Thu, 2017-03-23 18:02

What are some ideas that we as a community can do to be more welcoming to new users? Wikis and forums only go so far.

submitted by /u/tenbeersdeep
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