Information Technology

Would a Mac Mini from 2009 be good enough?

iOS Programming - Fri, 03/16/2018 - 18:29

Found one for $100. I just want to start practicing creating IOS apps. Nothing big. Simple apps and 2d games as I'm learning plus ones I feel are good to go up in the app store. Yes I should practice on android first but for the price I thought it was a good deal. Thanks for any answers.

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Ubuntu 16.04.4 LTS 4.4.0-108+ hangs when sssd is enabled

Guest OS: Ubuntu 16.04.4 LTS (kernel versions 4.4.0-108 to current 116)

Virtualization env: VMWare ESXi 6.0

Host hardware: Dell R720

Using SSSD to bind linux servers to the AD domain for authentication. This was working fine right up to 4.4.0-104. After the update to -108,-109,-112, or -116, if sssd is enabled OR if it is disabled but then started after a successful boot and you perform a lookup (i.e. id some_domain_user), the entire system will freeze, and you have to force a reboot. There's even a blip in the syslog when it happens.

I increased loglevel to 9 in the sssd.conf file in all the sections, and then started SSSD and tried to lookup a user. The most meaningful things I've been able to pull out are:


(Fri Mar 16 13:06:03 2018) [sssd] [service_send_ping] (0x2000): Pinging (Fri Mar 16 13:06:03 2018) [sssd] [sbus_add_timeout] (0x2000): 0x88a9d0 (Fri Mar 16 13:06:03 2018) [sssd] [service_send_ping] (0x2000): Pinging nss (Fri Mar 16 13:06:03 2018) [sssd] [sbus_add_timeout] (0x2000): 0x8904c0 (Fri Mar 16 13:06:03 2018) [sssd] [service_send_ping] (0x2000): Pinging pam (Fri Mar 16 13:06:03 2018) [sssd] [sbus_add_timeout] (0x2000): 0x88ede0 (Fri Mar 16 13:06:03 2018) [sssd] [service_send_ping] (0x2000): Pinging ssh (Fri Mar 16 13:06:03 2018) [sssd] [sbus_add_timeout] (0x2000): 0x889710 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_remove_timeout] (0x2000): 0x88a9d0 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): dbus conn: 0x888c10 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): Dispatching. (Fri Mar 16 13:06:03 2018) [sssd] [ping_check] (0x2000): Service replied to ping (Fri Mar 16 13:06:03 2018) [sssd] [sbus_remove_timeout] (0x2000): 0x88ede0 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): dbus conn: 0x890e00 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): Dispatching. (Fri Mar 16 13:06:03 2018) [sssd] [ping_check] (0x2000): Service pam replied to ping (Fri Mar 16 13:06:03 2018) [sssd] [sbus_remove_timeout] (0x2000): 0x889710 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): dbus conn: 0x88d5f0 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): Dispatching. (Fri Mar 16 13:06:03 2018) [sssd] [ping_check] (0x2000): Service ssh replied to ping (Fri Mar 16 13:06:03 2018) [sssd] [sbus_remove_timeout] (0x2000): 0x8904c0 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): dbus conn: 0x88eae0 (Fri Mar 16 13:06:03 2018) [sssd] [sbus_dispatch] (0x4000): Dispatching. (Fri Mar 16 13:06:03 2018) [sssd] [ping_check] (0x2000): Service nss replied to ping


(Fri Mar 16 13:05:06 2018) [sssd[nss]] [id_callback] (0x0010): The Monitor returned an error [org.freedesktop.DBus.Error.NoReply]

(Fri Mar 16 13:05:13 2018) [sssd[be[]]] [sbus_message_handler] (0x2000): Received SBUS method on path /org/freedesktop/sssd/service (Fri Mar 16 13:05:13 2018) [sssd[be[]]] [sbus_get_sender_id_send] (0x2000): Not a sysbus message, quit (Fri Mar 16 13:05:23 2018) [sssd[be[]]] [sbus_dispatch] (0x4000): dbus conn: 0xf1e840 (Fri Mar 16 13:05:23 2018) [sssd[be[]]] [sbus_dispatch] (0x4000): Dispatching.


(Fri Mar 16 13:06:53 2018) [sssd[ssh]] [sbus_dispatch] (0x4000): dbus conn: 0x1817880 (Fri Mar 16 13:06:53 2018) [sssd[ssh]] [sbus_dispatch] (0x4000): Dispatching. (Fri Mar 16 13:06:53 2018) [sssd[ssh]] [sbus_message_handler] (0x2000): Received SBUS method on path /org/freedesktop/sssd/service (Fri Mar 16 13:06:53 2018) [sssd[ssh]] [sbus_get_sender_id_send] (0x2000): Not a sysbus message, quit

Trying to capture boot time logs wasn't successful (with sssd enabled with systemd). Just a big gap in kernel.log and syslog. Watching the boot process shows that it hangs at:

Started D-Bus System Messaging Bus

Which appears to be corroborate the problems being indicated in the sssd logs. Some kinda problem with sssd sending dbus messages, right? If I revert to -104, all good. Anything above that version, sadness.

What is weird is that I do not have these problems on a test system using VirtualBox on my MacBook Pro running the same version of Ubuntu 16.04.4 LTS. I'm wondering if this might be a Meltdown related issue, as it happened with the kernel version that was initially released to address it (-108). We applied updates to our physical hosts, ESXi and the fixes for the guest OS. I haven't seen any notices or errata on the sssd mailing list, or anything related in recent Google searches. I'm afraid it is a weird confluence of host+vmware+guest OS problems.

So far, I've tried installing sssd-dbus (which is oddly not a dependency), and in conjunction with that setting sssd's system unit file to start sssd after dbus.service, and finally started it last (i.e. No dice.

Any insight or help appreciated! Thanks!

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Is the era of the "thinness race" finally over?

Android - Fri, 03/16/2018 - 17:54

I switched to the Galaxy S9+ today, and one of the first things I noticed was the relative thickness of it. So, I decided to look up and compare Samsung's past phones.

Galaxy S9+ : 8.5mm thick

Galaxy S8+ : 8.1mm thick

Galaxy S7 Edge: 7.7mm thick

Galaxy S6 Edge: 7.0mm thick

Galaxy S5: 8.1mm thick

Galaxy S4: 7.9mm thick

Galaxy S3: 8.6mm thick

Galaxy S II: 8.5mm thick

Galaxy S: 9.9mm thick

So, it seems as if manufacturers (or at least Samsung, didn't bother to check all manufacturers) have realized that no one really cares about how thin their phones are anymore. So Samsung has now gone back to 2011-2012 in regards to thickness, do you think they'll keep increasing it to ~10mm, or have we reached a plateau?

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Sega announces Sonic Mania Plus, hints at new Sonic “racing” game

Ars Technica - Fri, 03/16/2018 - 17:54

AUSTIN, Texas—Sega hosted a South By Southwest 2018 panel about all things Sonic the Hedgehog, and the panel began with good news for anyone wanting a physical version of last year's tremendous 2D throwback, Sonic Mania. Their wishes will be granted in the form of Sonic Mania Plus, a physical release for Xbox One, PlayStation 4, and Nintendo Switch in "summer 2018" for $29.99.

Shortly after that announcement, Sega also offered a surprise "one more thing" about an apparent new Sonic racing game.

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Fortnite for iOS First Look: It's fun, but desktop players will eat you alive

MacCentral - Fri, 03/16/2018 - 17:48

It hasn’t even been a fortnight since we learned that Fortnite: Battle Royale, Epic Games’ wildly popular multiplayer survival shooter, would be coming to iOS, and yet now it’s already on my iPhone and iPad, running far more smoothly than I’d expect from a freshly-minted beta. Only a comparatively small group of players currently have access, but what I’ve seen so far suggests that Epic wouldn’t have to do much to fling open the gates to the wider public. (You can sign up for the beta here.)

To read this article in full, please click here

Microsoft tests forcing Windows Mail users to open links in Edge

Engadget - Fri, 03/16/2018 - 17:46
Edge might be Windows 10's built-in browser, but it definitely isn't the most popular browser -- NetMarketShare reported just under 4 percent usage share as of February 2018, slipping well below Chrome's 59 percent. And now, it looks like the compan...

Is it better to pay for an online course for beginner programming versus a free course and will a Microsoft Surface Pro 4 an efficient device to start on?

Learn Programming - Fri, 03/16/2018 - 17:42

Udemy has both free and paid courses. The paid courses are on sale for $10+. I intend on learning C, C++, then progress to Java and Javascript and finally Python. I have learned the basics of HTML, CSS and SQL.

I currently am a case manager, I intend on learning programming as a back up or make useful throughout my life given the opportunity and experience I take away from this.

I however lack in math, but I've done civil engineering dealing with math on the daily given the circumstances. I wouldn't want that to defer me from learning!

Also, I am looking to purchasing a new laptop. Precisely to take notes when I enroll back in college next year, so I'd like to take advantage over a laptop that's capable of programming. I am more experienced with Microsoft as opposed to Apple, but I have been on an iPhone for the past several years and wouldn't decline a MacBook.

Any help would best be appreciated, resources as well! Thank you.

submitted by /u/InspireAndAdmire
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Looking for a laptop for programming, college and heavy browsing(<$1000)

  • Total budget and country of purchase: $1000, EU

  • Do you prefer a 2 in 1 form factor, good battery life or best specifications for the money? Pick or include any that apply. Best specifications for the money, but battery life is also important.

  • How important is weight and thinness to you? It's important, but not too much.

  • Which OS do you require? Windows, Mac, Chrome OS, Linux. Either linux or noOS

  • Do you have a preferred screen size? If indifferent, put N/A. 15.6"

  • Are you doing any CAD/video editing/photo editing/gaming? List which programs/games you desire to run. It should be able to handle light to medium video and photo editing, light to medium gaming, virtual machines and software from jetbrains (and similiar).

  • If you're gaming, do you have certain games you want to play? At what settings and FPS do you want? Nothing demanding.

  • Any specific requirements such as good keyboard, reliable build quality, touch-screen, finger-print reader, optical drive or good input devices (keyboard/touchpad)? Good keyboard and reliable build quality. I don't need touch, finger-print reader, etc.

  • Leave any finishing thoughts here that you may feel are necessary and beneficial to the discussion. HDD+SSD is a must. No lenovo's and no anything that screams "gaming" with its glowing red colors.

I've looked into Acer Aspire 7 A715-71G-73Q8 (i7-7700HQ, 8GB upgradable RAM, 1TB+128GB Storage, GTX 1050Ti 4GB) and it seems to be a good choice for the price.

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FYI: AI tools can unmask anonymous coders from their binary executables

The Register - Fri, 03/16/2018 - 17:24
To maintain privacy, stay offline, don't maintain public repos that trace back to you

Programmers can be potentially identified from the low-level machine-code instructions in their software executables by AI-powered tools.…

Guide for Samba on Ubuntu 16.04 with Windows ACL

I built a test server over a year ago and I'm trying to replicate the process. I have no clue what guide I used, but I got it to work before. I've been using the following as guides this time around but keep having starting over after failing:

Can anyone point me in the direction of a good thorough guide for this?

I keep getting so close but then missing the mark.

submitted by /u/insanerwayner
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Alcatel’s Android Go phone is headed to the US

Engadget - Fri, 03/16/2018 - 17:13
Two of the phones Alcatel revealed last month at MWC will be coming to the US, the company confirmed. One is the affordable Alcatel 1X is the brand's first to feature Android Go, a version of the OS customized for lower-performing hardware, while the...

Open Container Initiative Continues Momentum with New Members - Virtualization Information - Fri, 03/16/2018 - 17:07
The Open Container Initiative (OCI), an open source community for creating open industry standards around containers, today announced that 99Cloud, Kontena and OpenStack Foundation have joined the Open Container Initiative at the Silver level....(read more)

Best Laptop for AutoCAD under £1000

Need a laptop under £1000 that can run the highest performance of the software AUTOCAD

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universities abroad

Learn Programming - Fri, 03/16/2018 - 17:00

Hey, the thing that i want to talk is about the entrepreneuring and university in middle east or in Turkey. There re many difficulties here. how can i make good stuff or is there someone who can compare Turkey with the other lands? i just can compare it with Germany (lived there 6 years).

and are there any universities in Turkey which is qualified and good seen in USA and Europe?

i wanna study it (computer engineering here in Turkey) but i want to study electronics too! my German is fluent and my English is like this post. what do you guys advice me? i thought about to study in Germany too. i want to begin programming i have a bit arduino experince but i cant make good things because of my school subjects. firstly i must go to the uni.

submitted by /u/fathtasc
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GoToMeeting - Online meeting, desktop sharing, and video conferencing software.

MacUpdate - Mac OS X - Fri, 03/16/2018 - 16:54

GoToMeeting allows you to set up meetings, share documents, or make presentations with others and to do so with ease.

  • Choices: Meet now or schedule in advance a new or recurring meeting, it’s up to you.
  • One-click Meetings: Launch meetings quickly from a variety of locations including Microsoft office, email, and instant-messaging tools.
  • One-click Recording: Send out recordings after your meetings for those you weren’t able to attend.
  • Personal Meeting Room: Every customer receives a personal meeting room with custom URL - your new base of operations.
  • HDFaces Video Conferencing: Share up to 25 high-definition video feeds per session.

Note: price shown in the listing reflects a $29 monthly price billed annually. To view other pricing options, go here.


Note: Now requires OS X 10.9 or later running on a 64-bit Intel processor.

  • Release notes were unavailable when this listing was updated.

  • OS X 10.9 or later

Download Now]]>

Apple’s App Store mysteriously went dark in Iran yesterday

Ars Technica - Fri, 03/16/2018 - 16:53

Enlarge / Tehran, the capital city of Iran. (credit: A.Davey via Creative Commons)

Yesterday, users in Iran lost access to Apple's App Store. When users attempted to connect or download apps, they received a message saying that the App Store was "unavailable in the country or region" in which they resided. The cessation of services began around noon GMT yesterday, and services resumed around 5:00am GMT this morning, according to social media posts and sources who spoke with Bleeping Computer. A virtual private network (VPN) could still reach the App Store normally.

Media coverage and social media posts were quick to speculate that the store's downtime was an Apple-imposed ban driven by US economic sanctions against Iran, as Apple is based in the US. However, we are not yet aware of evidence to support this. An accidental outage is also possible, as is a block imposed by Iran's government—Iran has previously blocked the Google Play store, though that block was later lifted. Apple has not responded to our requests for clarification.

Because of US sanctions, Apple has no formal presence or operation in Iran, and its App Store is not officially supported there. The company does not sell phones there, nor does it work with any vendors that do. It nevertheless had an 11-percent market share in the country as of last year, as Iranians have purchased millions of iPhones smuggled in from other countries. Iranian app developers have published apps to the App Store for use by Iranian iPhone owners.

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When China hoards its hackers everyone loses

Engadget - Fri, 03/16/2018 - 16:45
They say you don't notice something good until it's gone. With China's decision to restrict its information security researchers from participating in global hacking competitions, we're about to see what that looks like on the global "zero day" stage...