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OpenBSD's W^X Policy

Posted 01-13-2015 at 10:22 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 01-14-2015 at 10:57 AM by rocket357

http://marc.info/?l=openbsd-tech&m=142120787308107&w=2

OpenBSD has had userland "W^X" (Write XOR Execute, a policy in which memory pages can be marked writable OR executable, but never both at the same time. This policy defeats attacks that rely on an executable stack or other write-then-execute arrangements).

Now OpenBSD has applied W^X to the kernel (amd64 thus far) as well, along with ASLR and a few other improvements.

It's a great...
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Posted in Uncategorized
Views 114 Comments 0 rocket357 is offline
Old

Android battery life

Posted 01-12-2015 at 12:06 PM by WestCoastSunset
Updated 01-12-2015 at 12:07 PM by WestCoastSunset
Tags android

I've been meaning to post this for awhile now. I have an android Galaxy s Blaze. After the first couple of months of use, I started to have to recharge my phone during the day, even though I left my house with a full charge. I didn't think too much of it, I just figured that the battery was finally broken in. Anyway, A few weeks ago, I updated my ad blocker (adaway). I hadn't updated it in a while and I had only installed it a few months before (I've had this phone since 2013). Color me surprised...
LQ Newbie
Posted in Android
Views 221 Comments 0 WestCoastSunset is offline
Old

Install Munin (Monitoring Tool) on Ubuntu 14.10 (Utopic Unicorn) Server

Posted 01-12-2015 at 10:26 AM by sridhar11

Munin the monitoring tool surveys all your computers and remembers what it saw. It presents all the information in graphs through a web interface. Its emphasis is on plug and play capabilities. After completing a installation a high number of monitoring plugins will be playing with no more effort.

Full Story
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Posted in Uncategorized
Views 181 Comments 0 sridhar11 is offline
Old

PuppEX Tahr 32 bit with kernel 3.18.2-PAE-puppex

Posted 01-12-2015 at 04:50 AM by exton (Exton's Blog)
Updated 01-13-2015 at 11:26 AM by exton

PuppEX Tahr NEWS 150112
A new version of PuppEX Tahr 32 bit is ready. Most important changes: I've changed kernel from 3.14.20 to 3.18.2-PAE-puppex (latest) and installed NVIDIA Graphics driver 340.65. The Nvidia driver will be used if your computer/card is "modern" enough. I've also added Tahrpup's Service Pack 6.0.1 and Google Chrome. Just to make it possible to watch Netflix movies. With PAE compiled into the kernel PuppEX now can address up to 64GB of RAM.

PuppEX...
ExTiX Admin
Views 205 Comments 0 exton is offline
Old

Slackware-14.1-Tor 0.2.5.10

Posted 01-10-2015 at 11:43 PM by arniekat

Source - https://www.torproject.org/about/overview.html.en

Tor allows you to use the Internet with more Privacy and Anonymity. Do a search for myip to see your IP Address and Location. Here is a website for looking at your IP.

http://www.whatismyip.com/

Tor will route your internet to one of their Servers and from there it goes out to the Internet. Grab the Source and SlackBuild for tor-0.2.5.10 from SlackBuilds.org

This script requires...
LQ Newbie
Posted in Uncategorized
Views 391 Comments 0 arniekat is offline

  



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