Systems Administration

Headphone wall jack ideas

Sysadmin - 5 hours 48 min ago

Kind of weird for most admins to work with, but I work at a school and they have observation room, which is like an exam room. But there is a one way mirror, so the professor can watch the clinician preform on a pseudo patient. where they want to be able to plug a pair of headphones into a jack in the wall that is connected to a mic in the room and have a turn dial to make it louder. Has anyone worked with stuff like this in the past or have ideas where to look?

EDIT: I guess an easier way to explain it is I need a microphone that can cover a small room and output to a 3.5mm jack

submitted by /u/XClioX
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Bitmap caching disabled?

Sysadmin - 5 hours 48 min ago

Have a client using rdp to get to our servers over a ipsec vpn. Its a poor connection based on 4g so it fluctuates. when trying to rdp to a certain rds gateway he got the message "internal error has occurred". I messed with some settings and found that bitmap caching was causing the error. If bitmap caching is meant to help with slow connections why did i have to disable to get the rdp session to work?

submitted by /u/chipzndipz23
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Linear Array on multiple encrypted disks Linux

Sysadmin - 5 hours 48 min ago

Hi everyone, I need to create a linear aray (no RAID-X, just a concatenation of disks, JBOD) on some luks-encrypted disks on Linux.
This is the main idea:

1) Have N disks
2) Encrypt each disk with LUKS
3) With mdadm create a linear array (no raid-x, just concatenation) to see it as a single drive

These are the important requirements:

  • Files must not spread across multiple drives, a single file must be contained on a single disk
  • If you extract a single disk, we should be able to extract data on said disk, after unblocking the drive with a luks passphrase

Can this be done?
What happens to the array if I remove a disk?
Can I recover data from all the other disks If I remove a single drive?
Are there any particular mdadm flags I should set?

Thanks in advance

EDIT: I understand that disks have to be unlocked one by one

submitted by /u/Murlocs_Gangbang
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Microsoft Remote Access - Always On VPN

Sysadmin - 5 hours 58 min ago

Does anyone have any experience with deploying Always on VPN?

Any tips or gotchas?

Also, the guide says that when creating the VPN user certificate for auto-enrollment, not to publish the cert in AD.

This would result in multiple certs for each user (if they sign into multiple devices)

Is this the desired result?

I can imagine the certificate console getting quite messy with multiple certs for each user.

I guess the GPO for auto-enrollment would be linked to only certain devices, so that could help.

submitted by /u/JustAnotherIPA
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Contacts Journal CRM 1.4.3 - Track your customer and client relationships.

MacUpdate - Mac OS X - 5 hours 58 min ago


Contacts Journal CRM is a powerful tool that will transform your business and personal relationships: save notes of important meetings, set follow ups and meetings, create custom contact fields, and attach important documents to each of your contacts. Available on the Mac, iPhone and iPad, with seamless iCloud syncing across all devices.

Use Contacts Journal to:

  • track your customer and client relationships;
  • manage your sales pipeline;
  • get the best out of networking opportunities;
  • see a map of all your contacts, with color-coding options;
  • be prepared for your next meeting;
  • track interactions with friends and family;
  • effectively manage tasks and appointments;
  • carry a virtual folder of documents with you;
  • keep a call log;
  • store important contact data using customizable contact fields.
Features
  • Import and link contacts directly from the Contacts app
  • Create private contacts and private groups to keep information separate from your Contacts app
  • See all your contacts and notes on a single map view
  • Attach files to your contacts; import using file picker, or drag-and-drop documents into app
  • Drag emails from the Mail app and attach to contact
  • Define your own custom fields, and attach custom data for each contact
  • Add to-dos with alerts in Notification Center for important follow-ups
  • Create events in Calendar app for your to-dos
  • Call (using Skype, Facetime Audio, or iPhone over WiFi), message or email your contacts directly from the app
  • Export your data for reporting by email, CSV, or PDF
  • No recurring billing, no hosted service. Works offline
  • Featuring automatic, seamless syncing with iCloud between Mac, iPhone, and iPad apps
  • DropBox sync also available

Note: iPhone and iPad app is sold separately.



Version 1.4.3:

Note: Now requires macOS 10.12 or later

  • Fixed an issue with automatic backups
  • Fixed issue preventing CloudSync upload


  • macOS 10.12 or later


Download Now]]>

Someone is touting a mobile, PC spyware platform called Dark Caracal to governments

The Register - 6 hours 49 sec ago
Hundreds of gigabytes already slurped, say EFF and Lookout

An investigation by the Electronic Frontier Foundation and security biz Lookout has uncovered Dark Caracal, a surveillance-toolkit-for-hire that has been used to suck huge amounts of data from Android mobiles and Windows desktop PCs around the world.…

Investigation outs Dark Caracal, the high-tech spying network for hire to governments

The Register - 6 hours 49 sec ago
Advanced surveillance system puts mobile first for stealing data

An investigation by the Electronic Frontier Foundation and security firm Lookout have uncovered Dark Caracal, a highly advanced spying platform sucking huge amounts of data from mobiles and desktops around the world.…

CM Batch JPEG Date Changer 2.0.4 - Correct image creation and modification date and time.

MacUpdate - Mac OS X - 6 hours 51 sec ago


CM Batch JPEG Date Changer can cover you if you replace your camera batteries and forget to change the camera clock, or set the wrong date or time at the change of the year. There are applications out there which let you batch change all the file dates to a single date time which would not make much sense. Moreover, those only change the creation and modification date but the digitized date and time in the EXIF header remains unchanged. The EXIF date is important when uploading to the web, especially one of the many cloud-based photo storage services. This application lets you change the date and time different ways:

  • You can set all dates and times to be the same (if you want) or just change the date and leave the time as they are.
  • You can also use the Date Maths feature which lets you add or subtract days, months, years, hours, and/or minutes from the current photo dates.
  • You can sync all the dates to either the creation, modification, or EXIF date.
  • You can also change each photo date and time individually; the choice is really yours to make depending on the situation.

CM Batch JPEG Date Changer requires a two-step process which first lets you review the changes to the dates before applying them so as not to make yet another mistake which could ruin the day. Once you are happy with the changes, click the "Change Now" button and let the application do its magic. The images will not be modified in any way; it is only the file-creation and modification dates and times which will be changed: the date and time within the EXIF meta header.



Version 2.0.4:

Note: Currently available for $7.99

  • Internal updates


  • OS X 10.7 or later


Download Now]]>

How come everything is easier on Ubuntu? Why isn't it used more in Production?

Seriously, anytime I need to setup a service or configuration all I do is a run a couple of commands on Ubuntu and I'm up and running, rarely coming across any issues.

With CentOS, more often than not it's a mess and requires troubleshooting.

What gives

submitted by /u/anacondapoint6
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Our HP Printer Support Adventure

Sysadmin - 6 hours 5 min ago

Last year we bought ~20 MFPs from HP, all with 4 hour on site support. We have actually had pretty good luck with them (knock on wood) and haven't had any issues, until about a month ago. This is when the adventure begins.

We got a call saying that the feeder was constantly jamming, and scanning from the glass wasn't working. It gave some kind of scanner firmware assertion error, so my coworker contacted HP Support using the chat. I wish he would have saved the chat logs, but basically, HP said they would send someone out... next week. It was Tuesday, so by the time the first tech got there it was Monday.

So the tech came and went Monday, replaced something, who knows what because he left without telling anyone or calling us or telling HP which part(s) he replaced. The printer still wasn't working, so back to HP Support for us. This time they actually sent out a tech scheduled for Wednesday. This tech came, replaced the whole top of the printer, and you guessed it, still not working. Same error message.

The case was then escalated and we got a support rep we could talk to directly. We told her that we wanted a new printer sent to us, so she would get us one. We were then told that she couldn't find an exact match to send to us, so we would get sent a slightly newer model that none of our extras fit (stand, extra tray). Which is obviously not ideal but whatever.

By the time the printer gets to the office it's now been about 2 weeks since that office has been without a scanner (the printer part of it worked). Which luckily, scanning isn't absolutely critical to this office. We hook up the new printer, and it works... for about a day. It then gets the exact same error message. HP gets a tech out to the office the next day, he replaces a few parts, and leaves. The scanner works for about an hour and then it gets the same error message.

At this point the office is pretty upset, which is understandable. So we take a working printer from one of the offices close to our HQ, and drive it to the office that the broken printer is at. We grab the broken printer and bring it back to HQ, and let HP know that we now have the broken printer, so any techs and/or replacements need to go to the new address. Again, we have a support rep we talk to directly at this point.

At this point, with the 2nd printer having the same issue, the HP rep admits to us that there was a bad shipment of formatters he called them, and they are seeing this error message on printers that are using those formatters. So they are going to send us another new printer. And guess where that printer is sent? To the old office, where the broken printer is not at anymore. We tell HP about this (again, escalated case with a direct support rep), so what do they do? THEY SCHEDULE A TECH TO GO TO THE OLD OFFICE TO FIX A PRINTER THAT ISN'T THERE. At the same time, another printer is sent to HQ. So we now have 2 new printers from HP. We eventually pickup the printer at the remote office, and send that printer back to HP, along with the broken printer. We get an email saying they received our old broken printer, and the case has been closed. Everybody's happy.

And then today, we just got sent our old printer back to us. With no email or note in the box, no phone call about it or any other contact. Case is still closed. We are unsure if they fixed the printer and sent it back to us for some reason, or if they just sent it back...

What I'm trying to say is, printers suck.

submitted by /u/codersanchez
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Alinof Archives 4.4.0 - Store and organize your important documents.

MacUpdate - Mac OS X - 6 hours 5 min ago


Alinof Archives helps you store and organize your important documents. Eliminate tedious searches, find everything in a few clicks, check whether the object is still under warranty and print a copy of the receipt. Alinof Archives lets you keep all your scanned documents and PDF files and find them instantly.

How does it work?... Simply scan all your documents you would like to quickly find and start Alinof Archives. Just enter some information about your documents such as supplier, description, date, and amount of the invoice. To assist in this step, the scanned file is displayed on the screen. If your scanner supports optical character recognition and you save your document as PDF, you simply select the information on the document and drag it into the corresponding field. Save and you're done!

Once your data stored in the database, it's easy to find all your documents. You can see a preview or a full page view, print, compare the amount with the same bill last year, showing the total telephone bills over the year, see all the receipts of such provider, and more.



Version 4.4.0:

Note: Now requires OS X 10.9 or later

  • Optimization for macOS 10.12 Sierra and 10.13 High Sierra
  • Fixed a problem that can occur during a 'Backup'
  • Bug fixes and performance improvements


  • OS X 10.9 or later


Download Now]]>

iBarcoder 3.9.6 - Versatile barcode creator.

MacUpdate - Mac OS X - 6 hours 12 min ago


iBarcoder allows you to design and print your own barcoded labels, stickers, and tags. Create barcode graphics for retail packages, books, stickers, and more. Mac QR code and Datamatrix generator. Add text boxes, image boxes, rectangles, ovals and lines to your labels. Type in the necessary text, insert the desired images, to create the professional barcode labels for commercial use. Create sequential barcodes for catalogs and retail operations. Specify the sequence in which barcodes are printed or exported.

Smart, Intuitive Barcode Software
  • Create professional barcoded labels with a few mouse clicks
  • Live preview feature
  • Modify your Mac barcodes by changing types, sizes, and other attributes intrinsic to a certain barcode type. Advanced tools make customizing your barcode easy
  • Print barcodes directly to your printer using standard Avery formats provided
  • Create and save your own custom label formats
  • Export barcodes as a high-resolution image files, or vector graphics:
    • PDF (vector)
    • EPS (vector)
    • BMP
    • TIFF
    • JPEG
    • PNG
    • PNTG
    • Photoshop
    • ...and more...!
  • Make the desired font and color settings
  • Copy, then paste finished graphics right to Adobe Illustrator, InDesign, Photoshop, or other software from Mac clipboard

Supports the following barcode types:

  • Postnet
  • Japanpost customer barcode
  • FIM Codes
  • Horizontal bars
  • UPC A
  • UPCE
  • EAN 13
  • EAN 8
  • ISBN
  • ISSN
  • Code 128
  • Codabar
  • ITF14
  • Code 39
  • Code 11
  • Code 93
  • MSI
  • Interleaved 2 of 5
  • Datamatrix
  • Intelligent Mail Barcode
  • Pharmacode
  • QR Code


Version 3.9.6:
  • Improved printing of sequential barcodes


  • OS X 10.7 or later


Download Now]]>

Any way to speed up inter-site AD replication?

Sysadmin - 6 hours 15 min ago

Running AD on 2008R2 (I know...) and have several sites configured in AD to logically group DCs at separate physical sites. All of the sites are linked via 1 Gb/s metro ethernet, so there's no reason to limit inter-site replication frequency, but it looks like the lowest replication interval we can configure is 15 minutes.

This creates issues if we do something like reimage a broken computer, delete the AD computer object and try to re-add it. We have to wait for replication to occur if the computer was deleted in a different site than the one it's being added back to. Obviously, we could manually connect to a DC in the site where the computer's going to be re-added, but that's an extra step that we always forget to do.

Is there any way to get inter-site replication to occur more frequently, or is our only option for accomplishing that to put all DCs into a single AD site?

submitted by /u/vrtigo1
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Skyfall and Solace - more fallout from Spectre/Meltdown?

Sysadmin - 6 hours 25 min ago

https://skyfallattack.com/

So, this URL went up today. It appears to be a placeholder for some embargoed vulnerabilities stemming from Spectre/Meltdown.

submitted by /u/NetworkCanuck
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4 Tools for Network Snooping on Linux

Linux.com - 6 hours 27 min ago
Title: 4 Tools for Network Snooping on Linux18 JanLearn more

Skyfall Attack

Sysadmin - 6 hours 27 min ago

Meltdown and Spectre were just the beginning - https://skyfallattack.com/

submitted by /u/idahopotatoes
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VMWARE Host Nic Connection Issue on Reboot

Sysadmin - 6 hours 30 min ago

I'm having a seemingly random issue with my NICs on my VMWARE hosts, ranging from Win2K8 - Win2K16. On reboot the NIC will sometimes not connect, you either need to disable and enable the NIC or reboot again to get it to connect. It does not happen all the time though so it's been tough to troubleshoot. Has anyone else seen this?

submitted by /u/gaz2600
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Dell Command Update for BIOS updates

Sysadmin - 6 hours 32 min ago

Hi All,

I have been tasked with updating the BIOS on our Optiplex and Latitude laptops. I am exploring our options using Dell Command Update to remotely run this program and have it automatically download and install BIOS/firmware updates on our system. I have deployed Dell Command Update to all of our clients, and plan to launch it via some sort of script to have it automatically download and install updates. I am testing this on my machine and have noticed that while Command Update will run and check for updates, it does not seem to be installing anything, or at least looking in the log I don't see that anything is being installed? Currently BIOS revision A18 is available for my system with the Meltdown/Spectre fix (release date 1/11/18) but when I run Command Update I don't see A18 actually being installed. I am not referencing any policy in my script and just doing a simple dcu-cli.exe /silent /log C:\DellCommandUpdate

My understanding is running dcu-cli.exe with no arguements will result in default behavior of check, download, and install updates. I must be missing something though. Any thoughts are definitely appreciated on this!

The tail end of my log is:

Packages for current system configuration: 12 (latest only) Building dependency information for the components ... Checking packages for prerequisites ... </Data> </data> </LogEntry> </LogEntries>

Edit**I don't know if you would need the entire log file, so I just included the last few lines.

submitted by /u/MayorOfCentralia
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File Juicer 4.66 - $18.00

MacUpdate - Mac OS X - 6 hours 33 min ago


File Juicer is a drag-and-drop can opener and data archaeologist. Its specialty is to find and extract images, video, audio, or text from files which are hard to open in other ways. In computer forensics this is called carving.

It finds and extracts: JPEG, JP2, PNG, GIF, PDF, BMP, WMF, EMF, PICT, TIFF, Flash, ZIP, HTML, WAV, AVI, MOV, MP4, MPG, MP3, AIFF, AU, WMV, or text from files which contain data in those formats.

Lossless extraction... File Juicer does't convert the images/sounds/videos it finds, but saves them unchanged in their original format if possible. (See the manual for details.) This is useful:

  • if you want to extract the images/sounds/videos from a PDF or Word document;
  • if you have old files you can no longer open with current applications;
  • if you receive emails with attachments you can not open;
  • if you have corrupt files or databases;
  • if you have damaged or accidentally erased flash cards for your digital camera;
  • if you receive "self extracting" EXE files designed for Windows;
  • or if this is just faster than copying and pasting from the file.


Version 4.66:
  • Fixed excessive use of memory when juicing mailbox files, which made it very slow


  • OS X 10.9 or later


Download Now]]>

F-35 'incomparable' to Harrier jump jet, top test pilot tells <i>El Reg</i>

The Register - 6 hours 33 min ago
Naturally we demanded proof – and we got it

Interview What's it like to fly an F-35 fighter jet? We interviewed the chief British test pilot on a uniquely British flying technique – and then had a play with a full cockpit simulator to find out for ourselves.…

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