Nope, that's actually the "Gates of Hell" in Turkmenistan. http://www.atlasobscura.com/places/the-gates-of-hell
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"An image from the SEVIRI instrument aboard our Meteosat-10 geostationary satellite. The vapour trail left by the meteor that was seen near Chelyabinsk in Russia on 15th February 2013 is visible in the centre of the image."
From the Changelog linked to in the article...
1.3. Filesystem barriers enabled by default in Ext3
Hard disks have a memory buffer were they temporally store the instructions and data issued from the OS while the disk processes it. The internal software of modern disks changes the order of the instructions to improve performance, which means that instructions may or may not be committed to the disk in the same order the OS issued them. This breaks many of the assumptions that filesystems need to reliably implement things like journaling or COW, so disks provide a "cache flush" instruction that the OS uses when it needs it. In the Linux world, when a filesystem issues that instruction, it is called a "barrier". Filesystems such as XFS, Btrfs and Ext4 already use and enable barriers by default; Ext3 supports them but until this release it did not enable them by default: while the data safety guarantees are higher, their performance impact in Ext3 is noticeable in many common workloads, and it considered that it was an unnaceptable performance regression to enable them by default. However, Linux distros like Red Hat have enabled barriers by default in Ext3 for a long time, and now the default for mainline has been changed aswell.
In other words: if you use Ext3 and you note performance regressions with this release, try disabling barriers ("barriers=0" mount option).
The ip command is slowly replacing the functionality of the ifconfig command for networking. I recommend it instead.
It used to be that when you 'scroll lock' a linux console it would hang the machine. The kernel buffers would fill with messages to be dumped to the console and eventually would run out of memory and the machine would hang. Toggle the scroll lock off and it would unlock, dump tons of messages to the console, and things would start running again.
This was especially problematic on KVM's that used the scroll lock key to switch between machines. It would be a week or too and then a server would just stop responding. Ugh.
Yes, you can actually. I got the apple earphones(needed to replace old ones) & mic set from my local mac store and I hooked them up to an ipod touch with the skype app and was able to make calls easily. This was using only 802.11b/g connections that were open where ever I was located. The biggest problem was spotty wifi connectivity and coverage. Also since I ride a motorcycle I was more worried about having access to emergency services, so I didn't go with it as a solution to totally replace my cellphone.
I could see that if it were economical, you could have all calls go to skype & skype-voicemail and talk when you're close to a wifi connection. While also having a prepaid cell phone for emergency calls. I was very close to doing this but since I'm on a family plan and my cell phone is only $10 extra it wouldn't really save me anything to go that route.
We have deep freeze as well here where I work. We have it turn off the pc's at 11pm. It turns them all on at 2:55am unfrozen, windows update runs at 3am (with the auto-install) also symantec anti-virus runs, and at 4am it refreezes the machines and shuts them back down. Wake-on-Lan will need to be setup on the PC's but this system works very well for patching & updating the machines while also keeping them frozen from mal-ware.
Let your IT guys know, it should be that simple... at least as far as freezing & updates.
I might have to turn in my slashdot id for this but, I have never seen Wrath of Kahn in any form... just never got around to it.
And I'm totally jealous of those that got to see the new movie!
yeah I was ignoring their printing business and just thinking of their unixes... I had forgotten about the Itanics though... like most of the world !zing!
Sun not so much, rumors are that IBM may buy them... HP is only alive b/c people are still using HP/UX and Tru64 for things.
IBM learned long ago the money is in selling support contracts. None of the other vendors ever seemed to really grasp that idea.
In Re: to my Re:, I like sqlite for simple DB applications, I get DB functionality with a very low overhead. Otherwise I use postgresql.
I have used Oracle and some others before now, but those are my two current DB's (sql-engines?) of choice.