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RISC OS interview with Michael Grunditz

The Iconbar - Fri, 02/22/2019 - 08:59
A very welcome new face at the SW show was Michael Grunditz, the developer behind the ARMBook port and the OWB port. We were very keen to find out more, and knew you would be too...

Would you like to introduce yourself?
I am a former embedded programmer. Nowadays I don't work for money because of health issues.

How long have you been using RISC OS?
Since the latter part of the 90ies. I was a fulltime Amiga user before that and before the switch I used a Amiga1200 with PPC accelerator and graphics card.

But when Acorn still was around I started to be interested in RISC OS. I started to subscribe to the c.s.acorn groups on usenet. After some year/years (when Castle released the Kinetic) I bought a Kinetic 300 RIscPC. I sold my Amigas and used the RiscPC as my only computer for 3-4 years. I had a 586 pc card in it and it was enough for Windows need.

But after RIscPC there was a long break, I think my interest sparkled again when RISC OS went "open source".

What does RISC OS look like from the Swedish viewpoint?
If you are a RISC OS user in Sweden you are very lonely. I know only one person that uses RISC OS, in the retro sense, and that because he bought my Iyonix.

What other systems do you use?
PC, MorphOS , Android.

What is your current RISC OS setup?
ARMX6 and TiMachine.

What do you think of the retro scene?
I think the retro scene is both good and bad. Good, because it makes history known. Bad because that it makes every alternative system from the late 80ies look like a playground. It also raisees prices to unbelievable amounts.

Do you attend any of the shows and what do you think of them?
I did just this weekend. SW show. IT was great and I have never seen RISC OS users IRL before!

What do you use RISC OS for in 2019 and what do you like most about it?
I use it for chatting irc and browsing, I also makes some dtp when needed. The results are always better than my Word using wife.

What is your favourite feature/killer program in RISC OS?
StrongED and Zap. I used Zap exclusively , but it tends to lock my machines when running with 30+ windows. StrongED just works and have a very nice global search features. I also use SideDiff a lot.

What would you most like to see in RISC OS in the future?
I don't know.. maybe a better way of building applications. Some way to compile very large sources. It breaks now because of wimp slot limit.

Can you tell us about what you are working on in the RISC OS market at the moment?
Yes. I work on a webkit browser and with the Pinebook (ARMbook, as Andrew calls it) port.

Any surprises you can't or dates to tease us with?
Stay tuned the following months for browser news.

Apart from iconbar (obviously) what are your favourite websites?
ROOL forum. Twitter (blush)

What are your interests beyond RISC OS?
I do a lot of music, mostly electronic art music.

If someone hired you for a month to develop RISC OS software, what would you create?
I don't work for money. But I would do exactly the things I do now.

Any future plans or ideas you can share with us?
No

Any questions we forgot to ask you?
I have a comment.. It is very interesting to compare the Amiga scene and RISC OS. They started of in the same era , and faced the same problems in the 90ies.
Amiga has a healthy community here in Sweden with Amiga site with 1500+ members. However a very few of them actually use Amiga for day to day use. I think RISC OS can learn from how the NG Amiga systems (MorphOS,AmigaOS4 , AROS) do.

You can read lots of other RISC OS Interviews on Iconbar.

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Categories: RISC OS

All About the Windows Insider Program

Theresa Miller - Tue, 02/19/2019 - 06:30

Are you a Windows user who loves to tinker? Do you want to have all of the latest and greatest Windows features delivered directly to your desktop before everyone else? If you answered yes to these questions, the Windows Insider Program is for you! What is the Windows Insider Program? The Windows Insider Program is […]

The post All About the Windows Insider Program appeared first on 24x7ITConnection.

How to Configure SoftEther, a Free VPN Server for macOS & Windows

Helge Klein - Mon, 02/18/2019 - 18:14
Contents

This post describes a real-world configuration of the free VPN server SoftEther. It shows how to set up a VPN for macOS and Windows clients on a Hyper-V Windows guest VM.

Our Setup and Requirements

Our situation was as follows:

  • Multiple Hyper-V hosts with VMs on an internal network.
  • One VM is the VPN gateway. It is configured with two NICs. One is connected to the internal network, the other to the internet.
  • The VPN should provide remote access via SSTP for Windows and L2TP for macOS clients.
  • It should be possible to connect to the VPN with the clients that come with each operating system. Installing additional client software should not be necessary.
  • The VPN should be bridged to the local network so that VPN clients get IP addresses from the internal network’s DHCP server.
  • Authentication should be performed against a RADIUS server (we use Duo Authentication Proxy).

HTTPS Certificate

SSTP is based on HTTPS. The good thing about that is that most firewalls and hotel networks should let it through. The bad thing is that we need to deal with certificates. I used a TLS certificate from our internal Active Directory root CA.

Caveat: Unreachable CRL

We are using an internal certificate authority that is not accessible from the internet. As a consequence, the CA’s certificate revocation list (CRL) is not accessible from the internet either.

The Windows SSTP client refuses to connect when it cannot contact the CRL specified in a server certificate. There are two ways around that:

  1. Set the following registry values on your VPN clients: HKLM\SYSTEM\CurrentControlSet\Services\SstpSvc\Parameters\NoCertRevocationCheck=1 [REG_DWORD]
  2. On the CA, configure a certificate template to not include revocation information in issued certificates.
Requesting the Certificate

Run the following openssl commands on any Windows or Linux machine that has OpenSSL installed. OpenSSL is part of any Splunk installation, for example (even on Windows).

Create a private key:

openssl genrsa -des3 -out c:\temp\vpn\vpn.key 4096

Create a certificate request with the private key:

openssl req -new -key c:\temp\vpn\vpn.key -out c:\temp\vpn\vpn.csr
  • Submit the CSR to your CA
  • Important: if you want to incorporate multiple server namens in the certificate, specify them in the additional attributes field as follows: san:dns=server1.domain.com&dns=server2.domain.com.com
  • You get a P7B file, but SoftEther expects a CER. To convert, double-click the P7B file to open it in the certificates MMC. Locate your certificate, right-click and select All Tasks – Export. Choose the format “Base-64 encoded X.509 (CER)”.
Importing the Certificate in SoftEther
  • Open SoftEther VPN Server Manager
  • Click “Encryption and Network Settings”
  • Click “Import” and specify the location of the CER file
  • Specify the location of the certificate’s KEY file
  • Enter the key’s passphrase
  • While you are in that dialog:
    • Disable “Use Keep Alive Internet Connection”
    • Switch the encryption algorithm name to ECDHE-RSA-AES256-GCM-SHA384
  • Copy your CA’s root certificate to the directory C:\Program Files\SoftEther VPN Server\chain_certs
Gateway VM Configuration

On the Hyper-V host, go to the gateway VM settings and click “Enable MAC address spoofing” in the “Advanced Features” of the VM’s internal NIC.

SoftEther Configuration Virtual Hub Creating a Virtual Hub
  • Open SoftEther VPN Server Manager
  • Create a virtual hub
User and RADIUS Config
  • Open SoftEther VPN Server Manager
  • Click “Manage Virtual Hub”
  • Click “Manage Users”
  • We are managing users in RADIUS, but we need a wildcard entry here to not block everybody
  • Add a single user with “User Name” set to an asterisk (*) and “Auth Type” set to “RADIUS Authentication”
  • Go back to the “Management of Virtual Hub” dialog
  • Click “Authentication Server Setting”
  • Enable “Use RADIUS Authentication” and provide the necessary information
  • Go back to the main page of SoftEther VPN Server Manager and make sure the virtual hub is online
Blocking Internet Access

In a split tunnel configuration you want your VPN clients to connect directly to the internet, not via the VPN. Split tunneling is a client configuration (see below), but you may want to enforce it by blocking all internet connections originating from VPN clients:

  • Open SoftEther VPN Server Manager
  • Click “Manage Virtual Hub”
  • Click “Manage Access Lists”
  • Add the following rules:
    • Pass, Priority=10, Memo=Enable LAN access, Contents=(ipv4) DstIPv4=10.1.0.0/16
    • Pass, Priority=11, Memo=Enable LAN access (reverse), Contents=(ipv4) SrcIPv4=10.1.0.0/16, DstIPv4=10.1.0.0/16
    • Pass, Priority=12, Memo=Allow DHCP requests, Contents=(ipv4) SrcIPv4=0.0.0.0/32, DstIPv4=255.255.255.255/32, Protocol=UDP, DstPort=67-68
    • Pass, Priority=13, Memo=Allow DHCP responses, Contents=(ipv4) SrcIPv4=10.1.0.0/16, DstIPv4=255.255.255.255/32, Protocol=UDP, SrcPort=67-68
    • Discard, Priority=1000, Memo=Block everything (else), Contents=(ether) \*
Network Bridge
  • Open SoftEther VPN Server Manager
  • Click “Local Bridge Setting”
  • Select your virtual hub
  • Select the LAN adatapter connected to your internal network
  • Click “Create Local Bridge”
  • Exit all dialogs and reboot the SoftEther VM
Protocols and Ports L2TP
  • Open SoftEther VPN Server Manager
  • Click “IPsec / L2TP Setting”
  • Check “Enable L2TP Server Function (L2TP over IPsec)”
  • Uncheck all other options
  • Specify an IPsec pre-shared key (PSK)
SSTP
  • Open SoftEther VPN Server Manager
  • Click “OpenVPN / MS-SSTP Setting”
  • Check “Enable MS-SSTP VPN Clone Server Function”
  • Uncheck the OpenVPN checkbox (unless you want to use it, of course)
Ports
  • Open SoftEther VPN Server Manager
  • In the listener list, delete ports 992 (function unknown), 1194 (OpenVPN), and 5555 (SoftEther remote management)

Note: when you connect to SoftEther Server Manager next make sure so specify 443 (the only remaining one) instead of 5555

Firewall

In your firewall, create rules to enable the following ports:

  • SSTP: TCP 443
  • L2TP over IPSec: UDP 500 and 4500

In the Windows firewall disable or delete the following rules added by SoftEther:

  • SoftEther VPN Server
  • SoftEther VPN Server Manager
  • SoftEther VPN Command-Line Admin Tool
Miscellaneous

Disable DDNS registration of your VPN. In unnecessarily “calls home”.

  • Stop the SoftEther VPN Server service and edit the configuration file “vpn_server.config”
  • In the DDnsClient section, set Disabled to true
  • In the ServerConfiguration section, set DisableNatTraversal to true
  • Start the SoftEther VPN Server service
Client Settings Split Tunneling

Split tunneling refers to a configuration where only those packets are sent from a client to the VPN, that are destined for the VPN’s subnet. Everything else (including internet connections) go through the client’s regular default gateway.

On Windows VPN clients:

Resources

The post How to Configure SoftEther, a Free VPN Server for macOS & Windows appeared first on Helge Klein.

UK Citrix User Group Spring 2019 meeting

Citrix UK User Group - Mon, 02/18/2019 - 17:54

Our 27th meeting will be held in Manchester in March

Read more »

The post UK Citrix User Group Spring 2019 meeting appeared first on UK Citrix User Group.

South-West Show 2019 Report

The Iconbar - Sat, 02/16/2019 - 16:20
The South-West Show took place in its new (much more accessible and suburban) home in Bristol. Read on to find out more (any mistakes or omissions are mine)...

The view at the new hotel was not as scenic but first impressions were good - a more central location in a nice hotel (and good, free wifi). But there were long delays on the food orders.

There was a full selection of talks and the separate room was a little too small for the audience. As usual, one of the best things about the show is the chance to wander around the stands and talk to people...

R-Comp had their full range along with the new software release of FIreworkz and some Armbooks showing RISC OS in action.

MUG had a robot arm controlled from RISC OS and some educational python scripts on RISC OS.

SROUG were showing off lots of interesting hardware projects including a robot arm. Andrew convoy has been busy outside work with getting Sense HAT work on RISC OS which he was demonstrating.

You could try your hand at bell-ringing under RISC OS (and on some real equipment) and buy some jam.

Cameron Cawley was demonstrating some software he had ported to run on RISC OS such a Smb and DosBox which will be on his website. He has also written some ARM code as part of his assignments to play tracker tunes.

Rob Coleman had his BBC projects on display. He has a Pi connected as a second processor and was showing it running Amstrad games. There was and a working Doomsday machine.

ACMS had an impressive array of music hardware on their stand, all running from a classic Archimedes machine.

Amcog games had a new version of stunt car racer with a new level and the option to choose your car. There is a new concept game in development and rdsp now has a reverb feature and the ability to save and sounds you create as wav files.

Ident were promoting their wifisheep technical channel on YouTube and showing some enhancements to their Ident hardware. The sheep name is a reference to their very rural location.

Soft Rock had their selection of software and hardware cases which look like the RISC PC. Vince was also publicising the RISC OS awards - don't forget to vote.

Organiser have done lots of internal code tidying but no new features as yet. They are still keen on any user suggestions to enhance the software

Steve Fryatt had his full range of software on show with some bug fixes. There is lots of interesting developments going into CashBook.

ROOL had the full range of software, manuals and some stand machines playing videos. There is an update to ePic, DDE and some nice themed cards for different machines (the Pandaboard card is my favourite with a nice panda on it). ROOL has a list of new bounties which should appear in the near future.

Sprow was on the ROOL stand. With his Elesar hat on, he was showing Prophet able to make electronic VAT submissions (which will be compulsory from April).

Chris Hall was demonstrating his FamTree software and his range of hardware projects. The latest one is a data monitor which collects real-time data and provides reports in CSV format. It has been plugged into a level crossing, collecting real data since October.

The ROUGOL stand was full of detail on the London Show (in its usual venue on saturday 26th October) and the monthly talks. You can hear Chris Cox on monday.

RISCOS bits had the full range of cases with risqué names. Andy is working on some new items (doubtless with appropriate names) for Wakefield.

Orpheus had the usual free sweets and also cheaper prices (for both new and existing customers) on several packages. Richard was also doubling as show doorman and announcer.

Sine Nomine had an interesting new application called Recce which integrates Google Street view and Flickr into RiscOSM. So you can really visualise places on the map.

There was a big charities stand with second hand books and kit in the middle of the room.

It was a new venue with lots of exciting new developments....

Talks
Pictures

3 comments in forum

Categories: RISC OS

South-West Show 2019 talks

The Iconbar - Sat, 02/16/2019 - 16:15
There was a full set of talks at the South-West show

12:00 - Talk by R-Comp & RISC OS Developments
Andrew promised a long talk as he had lots to show....He started with RISC OS developments update showing a browser. Thus is a port of OWB, running webkit. Interface looks like Browse. It is much faster than Otter. There is also a WebKit port - Iris. You wait ages for a RISC OS Browser to come along...

This Browser software is still very much beta but good to see running. Also updated us on license developments. It has generated lots of interest, especially in Far East and outside UK. 4/5 sales on Pling store over Christmas from North America.

R-Comp has a new version of Fireworkz which has new statement display modes(including a split view). Mail merge has been enhanced. Netfetch 5.5 now uses new ssl module for secure connection. Showed off the mini.m and Armbook. Mentioned the Titan and pifi

13:30 - Talk by Sine Nomine
There was a test drive of Sine Nomine games first, including House of Cards, and programs to create and solve Sudoku and a quick mention for Impact.

The main focus was showing RiscOSM. This brings Open Street Map data to RISC OS. We were shown the Map of the area of Bristol where the show was taking place, with a master tour in all the features RiscOSM has to customise and style the maps. The new Recce application allows pictures to be pulled in from the Internet. We saw the Google Street View photo for the hotel. The 10 pounds for buying Recce is going to the ROOL bounty for TCP/IP stack.

New features are being added to exploit wikidata

2:50 - Talk by Steve Fryatt
Steve gave us a tour of his lesser know software which can be downloaded for free from his website or purchased on a CD (with the money going to Charity).

!IconClipbrd was written by Thomas Leonard and taken over by Steve who made it 32bit. It provides a global clipboard and can be setup automatically from !Boot on startup. Ctrl+D will remove a filename and Ctrl+E will remove all except filename. Ctrl+S does case swapping and CTRL+T adds in today's date (configurable in App).

!ClipBoard gives you access to the clipboard via a window.

!WinScroll provides a panning option to any Window.

!GetFiler allows you to save the commands to reopen your Windows and saves to an Obey file.

!PCKeys allows you to change the way the delete key works to the same way as Windows with Delete and backspace keys

Cross provide a standard 2D or 3D version of noughts and crosses.

There is also a nice implementation of Solitaire and Pairs.

Float is a bubble help which is configurable. Window furniture and Icon bar furniture can be switched off and there is an ignore list for tasks.

3.15 - Talk by RISC OS Open Ltd (ROOL)
Steve recapped on the last 6 months of developments. He started with the Open Sourcing of the software. This has led to lots of interest. As one example, the Raspberry Pi foundation now contributed to ensuring RISC OS runs on all Pi models.

DDE has been updated to 28D

ePic has been updated, fixing bugs in some releases and updating the DDE.

RISC OS has been moving from CVS to Git and GitLab provides access.

The scheme to double bounty donations with money from ROOL was a great success so several bounties now funded and claimed. Beta testers are needed for the new tool chain. Cut-n-paste/drag-n-drop is being released in phases. Filesystem partition support is underway. Paint has received lots of improvements. Still 2 unclaimed bounties. A new bounty list will appear shortly.

TCP/IP bounty fixes security holes and moves from SSL to more secure TLS. Based on mbedTLS (developed and maintained by Arm). Already in use by Messenger, Prophet, Organizer, Recce, AntiSpam.

Todo list at ROOL is to publish roadmap update, make the DDE more accessible, make source code more accessible, identify key items to migrate from Arm, push bounties forward, working with ROD on user experience, work with third parties on new platforms.

No comments in forum

Categories: RISC OS

South-West Show 2019 in Pictures

The Iconbar - Sat, 02/16/2019 - 16:00
Take a walk around the South-West 2019 with us....

(Click on the thumbnails for the bigger image)























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Categories: RISC OS

Don’t Miss HIMSS 2019!

Theresa Miller - Tue, 02/12/2019 - 06:30

This week is HIMSS 2019, and if you are in the healthcare field or a related field, be sure to pay special attention to coverage of this year’s conference. What is HIMSS 2019? HIMSS is the Healthcare Information and Management Systems Society, who has a conference annually.  Interestingly, HIMSS the organization is a non for […]

The post Don’t Miss HIMSS 2019! appeared first on 24x7ITConnection.

Hardware-Encode Video in H.265 with Free Tools to Save Disk Space

Helge Klein - Mon, 02/11/2019 - 20:37
Contents

Many web meeting services have a recording functionality. Most recordings are provided as MP4 files with the video encoded in H.264 because that offers the most universal compatibility. However, it also needs a lot of disk space. H.264 has a successor, H.265, which only requires half the space for the same visual quality. This post shows how to use StaxRip, a free tool, to re-encode H.264 video into H.265 quickly by making use of GPU hardware encoding.

Preparation
  • Download and extract StaxRip. I used the current stable version 1.7 x64
  • Start StaxRip
  • When opening the first video file, StaxRip may ask you to install AviSynth. Do so by clicking Install AviSynth+.
Configuring the Conversion Settings
  • Click x264 and choose one of the following depending on your GPU vendor: NVIDIA H.265, Intel H.265 or AMD H.265
  • Click MKV and select MP4 (mp4box) instead
  • Click the Opus entry next to the first audio stream field and select copy/mux
  • Click the Opus entry next to the first audio stream field and select no audio

The result should look like this:

Performing the Conversion
  • Right-click Source > Open > File Batch and select the files you want to convert
  • Click Next to start the conversion
  • The output files are placed in the same directory as the input files with the extension _new
Conversion Performance

The Nvidia GTX 1060 GPU in my desktop PC encoded H.265 at the impressive rate of approximately 420 frames per second (full HD, 1920×1080).

The Intel HD Graphics 620 (Core i7-7500U) in my laptop only reached about 113 frames per second for the same content. Still impressive, but a lot less fast.

An interesting difference between the two GPUs: while the Nvidia encode used the GPU’s dedicated video encoding engine, the Intel encode used the GPU’s generic 3D engine.

Another noteworthy difference: the file generated by the Intel encode was 38% smaller than the file generated by the Nvidia encode.

Space Savings

The original videos of a four-day training recorded with Skype had a size of 7.6 GB. Converted to H.265 the size was reduced to 2.4 GB, which amounts to 68% savings!

GPU Performance Monitoring

If you are interested in monitoring your GPU’s performance and find out how its various engines are used, take a look at our uberAgent product. During the Nvidia encoding, for example, the GPU’s video encoding engine was nearly at 100% load and its generic compute engine at approximately 20%:

The post Hardware-Encode Video in H.265 with Free Tools to Save Disk Space appeared first on Helge Klein.

The ultimate Citrix Synergy survival guide – 2019 Atlanta edition

From the Architect - Neil Spellings' blog - Sat, 02/09/2019 - 16:40

I’ve published this Ultimate Synergy Survival guide now for seven years running and it’s always popular with both regulars and newbies. Now updated with 2019 links,  content and Atlanta-specific information. It’s a living document, so will be subject to updates as we get nearer the conference. Hope you find it useful (and if you end […]

The post The ultimate Citrix Synergy survival guide – 2019 Atlanta edition appeared first on From the Architect.

Categories: , Citrix, Virtualisation

Show West Show 2019 preview

The Iconbar - Fri, 02/08/2019 - 08:44
Next weekend (Saturday 16th February) sees the regular South West show in its brand new venue. Organised as usual by R-Comp and Orpheus Internet, the show will take place at the Arnos Manor, in Bristol. The venue is really easy to reach by both car and public transport and you can book a room if you want to stay the night.

Exhibitors for this year include:

The show is planned to run from 10:30am to 4pm.

There will probably be show reports from the usual suspects and theatre talks online, but there is really no substitute for being there and supporting the RISC OS community.

For more information, check out the show website.

No comments in forum

Categories: RISC OS

Ensuring Quality Outcomes by Reducing EHR system Downtime

Theresa Miller - Thu, 02/07/2019 - 06:30

EHR implementations are typically a huge undertaking for the healthcare organizations.  In some cases, deployments can take more than a year, and the cost implication is millions of dollars.  No small task of any kind, but when it comes down to monitoring sometimes only standard monitoring tools are deployed to reduce cost.  Today we will […]

The post Ensuring Quality Outcomes by Reducing EHR system Downtime appeared first on 24x7ITConnection.

New - XenApp 7.6 LTSR Cumulative Update 7 – All Editions

XenApp downloads - Wed, 02/06/2019 - 18:30
New downloads are available for XenApp
Categories: Citrix, Commercial, Downloads

New - Components for NetScaler Gateway 11.1

Netscaler Gateway downloads - Mon, 02/04/2019 - 22:00
New downloads are available for Citrix Gateway
Categories: Citrix, Commercial, Downloads

New - NetScaler Gateway (Maintenance Phase) Plug-ins and Clients for Build 11.1-61.7

Netscaler Gateway downloads - Mon, 02/04/2019 - 22:00
New downloads are available for Citrix Gateway
Categories: Citrix, Commercial, Downloads

New - NetScaler Gateway (Feature Phase) 11.1 Build 61.7

Netscaler Gateway downloads - Mon, 02/04/2019 - 22:00
New downloads are available for Citrix Gateway
Categories: Citrix, Commercial, Downloads

New - XenApp 7.6 LTSR Cumulative Update 7 – Platinum Edition

XenApp downloads - Mon, 02/04/2019 - 18:30
New downloads are available for XenApp
Categories: Citrix, Commercial, Downloads

New - Archived downloads - XenApp 7.6 Long Term Service Release (LTSR)

XenApp downloads - Mon, 02/04/2019 - 18:30
New downloads are available for XenApp
Categories: Citrix, Commercial, Downloads

New - XenApp 7.6 LTSR Cumulative Update 7 – All Editions

XenApp downloads - Mon, 02/04/2019 - 18:30
New downloads are available for XenApp
Categories: Citrix, Commercial, Downloads

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