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Re: Mesh Network, Raspberry Pi, IP Camera setup, Night Surveillance, suggestions needed
by David Mehler 23 May '19

23 May '19

Hello Andrew, Thanks for your reply. In answer to your question, yes I've got wireless issues, some areas that have drop offs. That's why I was thinking mesh. How much did you pay for those orbis? Thanks. Dave. On 5/23/19, Andrew Hodgson <andrew(a)hodgson.io> wrote: > Hi, > > I think you should treat these as separate projects. Do you know you have > wireless issues at your current location? I used a mesh network in my > rented property (Netgear Orbi) but it was quite expensive. Depending on > what you are experiencing at the current location means you may need to > spend less but also some systems have specific features or lack of features > so may steer you in a direction. > > My research was done in 2017 and at that time I was looking at 3 systems, > the Google Wifi, the Amplifi system from Ubiquity and the Netgear Orbi. > > I went with the Orbi for the following reasons: > > - Multiple ethernet ports on back of each sattelite; > - Configuration via browser and not iPhone app (amazingly a lot of these > only have app support which is weird); > - Multiple different units for different situations (like wallplug units and > larger units depending on area required); > - Better wireless support (the Google Wifi came out bottom in this for me). > - Ability to run Orbi in access point only mode. > > In the end I went with the main Orbi unit (RBR50) and 2 RBS50 sattelites. > That was not enough to cover one dead spot, so I got an RBW30 wallplug to > act as an extender in this area which boosted reception in a long hallway, > which then allowed the sattelite in the far bedroom to pick up a good > signal. I did try to do without the RBW30 a couple of times but each time > it really struggled to get signal across to the one sattelite in the far > bedroom. > > I am going to sell this lot at some point now because in my new flat a > single ISP provided router covers everything for me. I may switch that out > at some point but that is for another day and it will be for a different > type of router. > > Andrew. > ________________________________________ > From: David Mehler [dave.mehler(a)gmail.com] > Sent: 22 May 2019 18:23 > To: Blind sysadmins list > Subject: [Blind-sysadmins] Re: Mesh Network, Raspberry Pi, IP Camera setup, > Night Surveillance, suggestions needed > > Hello, > > Thanks. I was going to run Linux on the Raspberry Pi. > > I'll check out the camera. > > Thanks. > Dave. > > > On 5/22/19, Anatoliy Shudrya <anatoliyshudrya(a)hotmail.com> wrote: >> Here is more information about the camera: >> >> https://www.amazon.com/All-new-Blink-Outdoor-Security-included/dp/B07MMZ2LT… >> >> My camera's batteries lasted for about 8 months only because I have >> configured all settings on the highest quality, extended video clip, >> enhanced IR etc., but they promise about 2 years out of 2 AA lithium >> batteries. I don't have external solar charger or USB charger just yet, >> that >> is something I want to obtain soon. The little cam is definitely >> unobtrusive. >> >> Are you going to run Linux or Windows image on a raspberry PI? There is >> open >> source surveillance software for windows OS called iSpy, seemed to be >> somewhat accessible last time I installed it on my PC. >> https://www.ispyconnect.com/default.aspx >> Also, I heard Ubiquity video surveillance line of products has some >> decent >> priced options, maybe worth checking them out; although, can't vouch for >> the >> accessibility of their NVR software. >> >> It really depends what you want with your system, many different options >> are >> there, budget friendly makeshift system, all-in-one package, and more >> reliable options, they are of course more costly. The more components to >> your system, the more babysitting you'd need to do in my opinion. >> >> The Asus RT AC88U has 4 detachable antennas. >> >> Kind Regards >> >> Anatoliy >> >> >> >> -----Original Message----- >> From: David Mehler <dave.mehler(a)gmail.com> >> Sent: Tuesday, May 21, 2019 12:13 PM >> To: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> >> Subject: [Blind-sysadmins] Re: Mesh Network, Raspberry Pi, IP Camera >> setup, >> Night Surveillance, suggestions needed >> >> Hello Everyone, >> Anatoliy thank you for your reply. >> >> I was thinking Raspberry Pi boxes because I've got about four of them and >> I >> could make three available for this project. I'm not commited to it, but >> I >> thought that would ease startup costs? >> >> I'm an Android user and so I'd need something with an android accessible >> app. I'm also not to keen on trusting cloud storage, so I've got some >> multi-terrabyte USB external drives I can use for video storage, that's >> why >> I mentioned that. >> >> With regards Amazon's Blink XT camera I hadn't heard of it I will look it >> up. How long do batteries last? How unobservable is it? I'm wanting >> something small like a pinpoint camera that's what I envision, so that it >> is >> not readily visible. What kind of batteries does it take? >> >> Do you have yours set up with either a solar charger or external battery >> pack? How much did those run you? >> >> As I said my router is in the basement, it use to be an Asus RT-N66U >> before >> that died and my cable provider gave me one, i'd love to give it back to >> them. Your RT AC88U is mesh capable but you've not tested it, do you know >> if >> it has removable antennas? I've got some 9Dbi long range removable >> antennas >> I bought for my 66u and which i'd love to put back in to service. I don't >> have my house wired up which is a major bummer, so that's why I was >> proposing mesh. >> >> Any other thoughts very helpful. >> >> Thanks. >> Dave. >> >> >> On 5/21/19, Anatoliy Shudrya <anatoliyshudrya(a)hotmail.com> wrote: >>> Hello David, >>> >>> Why raspberry PI? Have you considered Blink XT camera from Amazon? >>> WIFI capable, no NVR/DVR required, almost unlimited cloud storage. It >>> is battery operated and batteries do go down quickly if extended clip >>> size selected but it can be fixed with a solar charger or external USB >>> power supply. It is very easy setup, quite accessible with voice over >>> on IOS. It is dirt cheep on Amazon about $120 and sometimes during >>> sales for $80. HD quality, free cloud storage, accessible on the >>> iPhone, I am happy with the one I have setup for my front door. Mesh >>> routers: I have Asus RT AC88U and it has mesh capabilities, but I >>> never tested it because my house is all wired with CAT6 to each room. >>> >>> Anatoliy >>> >>> >>> >>> -----Original Message----- >>> From: David Mehler <dave.mehler(a)gmail.com> >>> Sent: Tuesday, May 21, 2019 7:44 AM >>> To: blind-sysadmins <blind-sysadmins(a)lists.hodgsonfamily.org> >>> Subject: [Blind-sysadmins] Mesh Network, Raspberry Pi, IP Camera >>> setup, Night Surveillance, suggestions needed >>> >>> Hello, >>> If anyone has any suggestions on mesh network products and setup, >>> Raspberry Pi IP camera for surveillance setup, and integration please >>> let me know. I'm needing some advice. >>> >>> My situation is this, I've got an area of my backyard that is needing >>> to have an IP-based surveillance camera pointed at it to capture >>> videos of any intruders. I've got several Raspberry Pis, and am >>> wanting to use them in a video surveillance setup. My place has the >>> cable modem and a router in the basement, then the main floor, then an >>> upstairs area. I'm already thinking to support this setup of video >>> surveillance I'm going to need to go mesh, put a wireless setup in >>> each room I've got occational drops that I'm going to need to correct >>> and >>> thinking mesh might be the way. >>> >>> Once I get the mesh then going to get a Raspberry Pi camera and hook >>> that to a pi then to an external drive for file storage. I'm thinking >>> a 3 to 5 day rotation time, is this feasible? >>> >>> I'm also going to need a way to examine the files see if there's >>> something other than blankness in them. >>> >>> Lastly, and this is a big one, i'd prefer not to break the bank on this. >>> >>> If anyone has any suggestions please let me know. >>> >>> Thanks. >>> Dave. >>> _______________________________________________ >>> Blind-sysadmins mailing list -- >>> blind-sysadmins(a)lists.hodgsonfamily.org >>> To unsubscribe send an email to >>> blind-sysadmins-leave(a)lists.hodgsonfamily.org >>> _______________________________________________ >>> Blind-sysadmins mailing list -- >>> blind-sysadmins(a)lists.hodgsonfamily.org >>> To unsubscribe send an email to >>> blind-sysadmins-leave(a)lists.hodgsonfamily.org >>> >> _______________________________________________ >> Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org >> To unsubscribe send an email to >> blind-sysadmins-leave(a)lists.hodgsonfamily.org >> _______________________________________________ >> Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org >> To unsubscribe send an email to >> blind-sysadmins-leave(a)lists.hodgsonfamily.org >> > _______________________________________________ > Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org > To unsubscribe send an email to > blind-sysadmins-leave(a)lists.hodgsonfamily.org > _______________________________________________ > Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org > To unsubscribe send an email to > blind-sysadmins-leave(a)lists.hodgsonfamily.org >

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Mesh Network, Raspberry Pi, IP Camera setup, Night Surveillance, suggestions needed
by David Mehler 23 May '19

23 May '19

Hello, If anyone has any suggestions on mesh network products and setup, Raspberry Pi IP camera for surveillance setup, and integration please let me know. I'm needing some advice. My situation is this, I've got an area of my backyard that is needing to have an IP-based surveillance camera pointed at it to capture videos of any intruders. I've got several Raspberry Pis, and am wanting to use them in a video surveillance setup. My place has the cable modem and a router in the basement, then the main floor, then an upstairs area. I'm already thinking to support this setup of video surveillance I'm going to need to go mesh, put a wireless setup in each room I've got occational drops that I'm going to need to correct and thinking mesh might be the way. Once I get the mesh then going to get a Raspberry Pi camera and hook that to a pi then to an external drive for file storage. I'm thinking a 3 to 5 day rotation time, is this feasible? I'm also going to need a way to examine the files see if there's something other than blankness in them. Lastly, and this is a big one, i'd prefer not to break the bank on this. If anyone has any suggestions please let me know. Thanks. Dave.

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Microsoft Outlook for Windows hangs while switching to certain IMAP folders
by Jason White 20 May '19

20 May '19

Has anyone else experienced anything similar to the following with a recent Microsoft Outlook for Office 365 under Windows 10? How should I attempt to track it down further? If I move to any of a number of IMAP folders in the tree view containing the folder list, or if I use Ctrl-y to open a folder list and move focus to a desired folder, then I press enter to open that folder, Microsoft Outlook hangs (becomes unresponsive) and needs to be restarted. This happens when the folder is opened, not during the folder selection process. I haven’t been able to reproduce it with Microsoft Exchange folders via my work account. It appears to be an accessibility issue, in that shutting down the screen reader (either JAWS or NVDA), then opening the new folder, then re-enabling the screen reader works without hanging Outlook. As this implies, the problem can be reliably reproduced with both JAWS and NVDA, so I suspect a Microsoft issue. The server was upgraded recently (by me – it’s my own server hosted by Linode). Microsoft Office 365 and Windows 10 version 1809 have also seen recent upgrades, so it isn’t clear which change introduced the problem. All software is up to date, including the screen readers. Everything is fine in Microsoft Outlook for Mac and for iOS – it’s purely a Windows problem.

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accidental delete of downloads directory, need to restore, urgent!
by David Mehler 19 May '19

19 May '19

Hello, I don't usually cross post, so please forgive this posting. I need help quite urgently actually. I made a mistake and accidentally deleted my download directory in my user profile, this is on a win10 pro 64 machine. The download folder was highlighted and I hit delete, I wanted to delete another folder not downloads so I realized I was on the wrong folder, hit tab to no or what I thought was no and hit enter, as I did my machine shut down. It's having a heating problem that I'm going to partially address today and fully address with a new case. On reboot I found that download directory was gone. I need to get it back. It's been quite a while since I've had to do this, help! Any help appreciated. Thanks. Dave.

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Recruiters and employers
by Samuel Barnes 14 May '19

14 May '19

I'm about to graduate with an associates degree in network and computer admin. I do have a job working at in the datacenter/lab at a community college which is giving me tons of experience with little stress, but it doesn't pay the bills. Do any of you know of reciters, staffing agencies, or employers in the US that aren't afraid to work with blind people? I've got some certs and experience with mostly Linux and Cisco, as well as some Windows server.

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Re: PowerShell Documentation, books and tutorials
by Eigeldinger Simon 14 May '19

14 May '19

Hi all, Thanks for writing in. Will check out some books i have found. And there seems also to be a lot of documentation online all over the place. Greetings, Simon -----Ursprüngliche Nachricht----- Von: Darragh Ó Héiligh <d(a)digitaldarragh.com> Gesendet: Montag, 13. Mai 2019 13:01 An: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> Betreff: [Blind-sysadmins] Re: PowerShell Documentation, books and tutorials I'm not an expert by any means. I do what I need when I need it but I don't find reading books on coding to be that useful. The way I learned Power shell was to subscribe to course delivery platforms such as Pluralsites, Lynda, Linked in learning etc. I generally download their repositories then try to follow along with the video. Lynda doesn't always make this particularly easy but I've had good experience with Plural sites and Linked in learning. As they say though, necessity is the mother of all invention. Find something you want to do that annoys you. Something straight forward at first like removing all the users from a group because that's always great fun when your managing massive groups with 104,000 active users. This is a real pain using ADUC (Active Directory Users and Computers) so it was a good place to get started for me anyway. Mess around with various methods of doing this and you'll learn about writing loops, filtering, using user properties etc. Obviously, don't test on production groups. I know I don't need to say that here. I don't like the commands in power shell. But what I do like is the instant feedback. Want to see if you can insert a string into a particular object, just fire the command into the power shell command line and see what happens. Again... in your test environment... Not in your live environment. Have fun. The info switch is your friend. Oh. So is get-help. Finally, let me mention commandlets. These open up amazing possibilities. From the one power shell window, issue commands to Azure, Office365, on prem exchange, VMWare, Hyper-V and lot's of other major systems. Do I need to say it again just to be sure? On... Your... Test.. System... Power shell is great but it's also dangerous. There's always that dread when running something that's touching a lot of data or files. So, please be careful. Or don't. But if your not careful, please let us know. I like reading funny messages where other people are feeling pain and I'm not. -----Original Message----- From: Simon Eigeldinger <simon.eigeldinger(a)vol.at> Sent: Sunday 12 May 2019 16:56 To: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> Subject: [Blind-sysadmins] PowerShell Documentation, books and tutorials Hi all, I want to learn PowerShell. Anyone can recommend a good online book, tutorials, documentation, etc. to start off? Greetings, Simon --- Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. https://www.avast.com/antivirus _______________________________________________ Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org To unsubscribe send an email to blind-sysadmins-leave(a)lists.hodgsonfamily.org _______________________________________________ Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org To unsubscribe send an email to blind-sysadmins-leave(a)lists.hodgsonfamily.org

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Re: PowerShell Documentation, books and tutorials
by Eigeldinger Simon 14 May '19

14 May '19

Hi all, Thanks for writing in. Will check out some books i have found. And there seems also to be a lot of documentation online all over the place. Greetings, Simon Mit freundlichen Grüßen Simon Eigeldinger Informatik Nebengebäude 1, OG1 Stadt Hohenems Kaiser-Franz-Josef-Straße 4 6845 Hohenems T: +43 5576 7101-1143 | E: simon.eigeldinger(a)hohenems.at | www.hohenems.at Diese Nachricht und allfällige angehängte Dokumente sind vertraulich und nur für den/die Adressaten bestimmt. -----Ursprüngliche Nachricht----- Von: Darragh Ó Héiligh <d(a)digitaldarragh.com> Gesendet: Montag, 13. Mai 2019 13:01 An: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> Betreff: [Blind-sysadmins] Re: PowerShell Documentation, books and tutorials I'm not an expert by any means. I do what I need when I need it but I don't find reading books on coding to be that useful. The way I learned Power shell was to subscribe to course delivery platforms such as Pluralsites, Lynda, Linked in learning etc. I generally download their repositories then try to follow along with the video. Lynda doesn't always make this particularly easy but I've had good experience with Plural sites and Linked in learning. As they say though, necessity is the mother of all invention. Find something you want to do that annoys you. Something straight forward at first like removing all the users from a group because that's always great fun when your managing massive groups with 104,000 active users. This is a real pain using ADUC (Active Directory Users and Computers) so it was a good place to get started for me anyway. Mess around with various methods of doing this and you'll learn about writing loops, filtering, using user properties etc. Obviously, don't test on production groups. I know I don't need to say that here. I don't like the commands in power shell. But what I do like is the instant feedback. Want to see if you can insert a string into a particular object, just fire the command into the power shell command line and see what happens. Again... in your test environment... Not in your live environment. Have fun. The info switch is your friend. Oh. So is get-help. Finally, let me mention commandlets. These open up amazing possibilities. From the one power shell window, issue commands to Azure, Office365, on prem exchange, VMWare, Hyper-V and lot's of other major systems. Do I need to say it again just to be sure? On... Your... Test.. System... Power shell is great but it's also dangerous. There's always that dread when running something that's touching a lot of data or files. So, please be careful. Or don't. But if your not careful, please let us know. I like reading funny messages where other people are feeling pain and I'm not. -----Original Message----- From: Simon Eigeldinger <simon.eigeldinger(a)vol.at> Sent: Sunday 12 May 2019 16:56 To: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> Subject: [Blind-sysadmins] PowerShell Documentation, books and tutorials Hi all, I want to learn PowerShell. Anyone can recommend a good online book, tutorials, documentation, etc. to start off? Greetings, Simon --- Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. https://www.avast.com/antivirus _______________________________________________ Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org To unsubscribe send an email to blind-sysadmins-leave(a)lists.hodgsonfamily.org _______________________________________________ Blind-sysadmins mailing list -- blind-sysadmins(a)lists.hodgsonfamily.org To unsubscribe send an email to blind-sysadmins-leave(a)lists.hodgsonfamily.org

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Re: Reading PowerShell code with JAWS
by Glen Gordon 13 May '19

13 May '19

One thing that you could try would be to create a JAWS dictionary rule for a space followed immediately by a dash that equates to some single syllable word that you'll know to mean a dash preceeding an option. Perhaps "xxxdash." If you try this, I'm interested in knowing how well it works. Thanks --Glen Glen Gordon Vispero(tm) | Software Fellow 17757 US Highway 19 N, Suite 560, Clearwater, FL 33764 T 727-803-8000 F 727-803-8001 ggordon(a)vispero.com<mailto:ggordon@vispero.com> www.vispero.com<http://www.vispero.com/> From: Darragh Ó Héiligh <d(a)digitaldarragh.com> Sent: Sunday, May 12, 2019 10:48 AM To: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org> Subject: [Blind-sysadmins] Re: Reading PowerShell code with JAWS Chris, This is a really great question. I really hate it when people respond to a really worth while question by saying somethin really meaningless and pointless like: "That's a great question" or "I would like an answer to this as well". But.. Urm... I'm going to do just that thing to you now. And to make it even worse, I'm going to write a really long pointless paragraph saying how sorry I am for doing that to you. The only way I have of reading powershell is by going character by character. The thing is with speech, it's either too much or too little. If for example, I write get-ADGroupMembership, I really don't need to know there's a dash there because, I know get is generally going to have a dash after. Power shell usually follows a convention in the command structure. So knowing there are two dashes isn't all that helpful. However, hearing the kind of brackets used would be nice. Also knowing if a pipe is provided would be nice too. But the problem is there are conventions in Power shell. To be really effective, the screen reader would need to be aware of these rules and intelligently give you the information you need to speak the punctuation on the line that is actually of value. So, unfortunately, although this is a very unhelpful and long response to your very interesting question, Braille or single character navigation might just be your best option. However, I'd like to touch on the Braille thing for a second. I love Braille. And I would use it when possible. However, it's probably just me, I certainly don't read as much as I should but having contracted Braille for commands / coding is often confusing. But computer Braille can be very long. Powershell commands are often stupidly long as well Take this example. Search for all the users in a group in active directory and find the proxy address property. That is done in just one line but it's quite lengthy. A 40 cell display just doesn't cut it. Again, it's probably just me and I'm being difficult about it but I just want to read that line. I might want to keep my finger on something at the start of the line Or I might want to go straight to the end of it. Panning is an irritation! But an 80 cell display is large and the sound of the clicking gets on my nerves. I just haven't found a really efficient way of reading code on a Braille display. Especially when that code has weird characters like !$()[]{}%^"'#~ etc. It's probably something I would get better at with time but meh. I have too much going on as it is without spending time teaching myself a new way of reading code that may or may not be more efficient than my current approach. I've been reading console windows like this for years. I'm reasonably okay with it. Sorry for my very long winded message but your question struck a chord. And although it's Sunday, I need to finish something for work and frankly, I'm putting it off because. Well, it's Sunday! I don't really want to do it today. Regards. Keep the interesting questions coming. I'll try not to clog up your inbox with as much rubbish as was contained in this rambling pointless message. Darragh From: Chris Nestrud <ccn(a)chrisnestrud.com<mailto:ccn@chrisnestrud.com>> Sent: Friday 10 May 2019 21:09 To: Blind sysadmins list <blind-sysadmins(a)lists.hodgsonfamily.org<mailto:blind-sysadmins@lists.hodgsonfamily.org>> Subject: [Blind-sysadmins] Reading PowerShell code with JAWS Hello all, I'm wondering if any of you have any tips for reading PowerShell with JAWS using speech. Here's the question that I sent to Vispero: I'm trying to use JAWS to review PowerShell code. Is there a way to have JAWS indicate a dash preceded by a space as different from a dash preceded by some other character when reading a line? For example, in this line: Add-NetEventPacketCaptureProvider -SessionName Session1 The first part could be understood as "Add-NetEventPacketCaptureProvider -SessionName" or "Add-NetEventPacketCaptureProvider-SessionName". Is there a way to have it read as "Add-NetEventPacketCaptureProvider space dash SessionName"? I recognize that Braille would be a good solution, but this needs to work with speech. In case you're interested, the Vispero representative first recommended setting the punctuation setting to all, then when I commented that this would not identify any space characters, the recommendation was to use the JAWS cursor to review character by character, with a note that a Braille display would be worth considering. Hopefully someone has found a different method better suited for reviewing lengthy code. Thanks in advance for any suggestions. Chris _____________________________________________ Blind-sysadmins mailing list - blind-sysadmins(a)lists.hodgsonfamily.org<mailto:blind-sysadmins@lists.hodgsonfamily.org> To unsubscribe send an email to blind-sysadmins-leave(a)lists.hodgsonfamily.org<mailto:blind-sysadmins-leave@lists.hodgsonfamily.org>

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PowerShell Documentation, books and tutorials
by Simon Eigeldinger 13 May '19

13 May '19

Hi all, I want to learn PowerShell. Anyone can recommend a good online book, tutorials, documentation, etc. to start off? Greetings, Simon --- Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. https://www.avast.com/antivirus

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Reading PowerShell code with JAWS
by Chris Nestrud 12 May '19

12 May '19

Hello all, I'm wondering if any of you have any tips for reading PowerShell with JAWS using speech. Here's the question that I sent to Vispero: I'm trying to use JAWS to review PowerShell code. Is there a way to have JAWS indicate a dash preceded by a space as different from a dash preceded by some other character when reading a line? For example, in this line: Add-NetEventPacketCaptureProvider -SessionName Session1 The first part could be understood as "Add-NetEventPacketCaptureProvider -SessionName" or "Add-NetEventPacketCaptureProvider-SessionName". Is there a way to have it read as "Add-NetEventPacketCaptureProvider space dash SessionName"? I recognize that Braille would be a good solution, but this needs to work with speech. In case you're interested, the Vispero representative first recommended setting the punctuation setting to all, then when I commented that this would not identify any space characters, the recommendation was to use the JAWS cursor to review character by character, with a note that a Braille display would be worth considering. Hopefully someone has found a different method better suited for reviewing lengthy code. Thanks in advance for any suggestions. Chris

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