Baofeng DM-9HX First Look Review

The DM-9HX looks the same as the UV-9HX which is the same as the UV-5R. Everything fits.

It’s finally here – Baofeng has released its proper digital version of the UV-5R and you can just-about get it in the UK by direct import (although I gather Moonraker have a few).

I reviewed their first digital model, the DM-5R, and concluded it was a bad idea as it only implemented Tier 1 and therefore could only talk to identical transceivers. A real pity. There is supposed to be a Tier-II version, the DM-5R Plus, but I don’t know anyone who’s seen one and even the specifications say it’s isn’t compatible with Motorola. Anyway, it seems to be history or myth now the DM-9HX has arrived.

The DM-9HX does Tier II, and should talk to DMR sets from other manufacturers and work through repeaters. I haven’t personally tested this properly as yet, but indications are good. So with that in mind, on with an initial review:

I’ll assume you know previous Baofeng models well enough and concentrate on the differences. But just in case you don’t, the legendary Baofeng UV-5R series are cheap and cheerful handheld dual-band FM 2m/70cm transceiver with a speaker/mic socket and an MSMA connector for whatever antenna you choose. There is a tri-band model, and they all seem to have a built-in torch.  A number of variations in case style exist, including waterproof, as do versions with uprated RF. But they’re pretty much identical at the user level; and they’re the mainstay of many people’s community PMR set-ups as well as a no-brainer for Ham use.

Baofeng announced it was going to produce a digital version, which was physically interchangeable with previous models but with added DMR capability. This is a great proposition for people like me, with dozens of UV-5R batteries, antennas, chargers, cases and so-on. It protects your investment whilst allowing controlled migration to DMR. It’s been a long time coming, but now it’s here.

So first off – the interoperability is there. It uses exactly the same accessories as the UV-5R. It’s the same size and looks like a UV-5R – apart from the all-new display. Good job. The only physical difference is the programming cable, which is a direct USB feed into the microphone socket. And it doesn’t work with CHIRP. If you look closely, the label also says DM-9HX (check the picture near the top) and the keypad is overprinted for digital mode – alpha instead of menu shortcuts. The DM-5R/Plus had a black VFO button but they’ve gone back to orange with this model. I’ve had to put a rubber sleeve on it to find it amongst the others.

The new dot-matrix screen is more flexible and easier to read,

Inside the box you get a new “digital” antenna, the standard charger and the large battery. I’ve yet to test how much difference the fancy antenna makes; for ease of carrying, and like-for-like comparison, I swapped it for a standard battery and a stubby antenna. Moonraker supplied a standard Beofeng headset (yeah) with theirs; others don’t. The charger is the same, and it comes with the larger BL-5 12Wh battery although the smaller type still fit.

It also comes with an English manual, which is reminiscent of the one supplied with the DM-5R. It doesn’t actually relate to the DM-9HX, which is different enough for this to matter.  But we’re radio amateurs, right? We like fiddling with things to find out how they work.

Compared to the analogue models, the user interface is much improved in terms of sanity, while remaining similar in some respects. The buttons do more-or-less the same, with the side ones being programmable. Alpha text entry on the keypad is now Nokia-like, with the # key switching case and three alpha characters on each number key.

The display is a high-res monochrome dot-matrix instead of a segmented LCD found on the analogue models and the DM-5R. It’s very clear to read, and back-lit either permanently or on a timer. There are also no more voice prompts. This is either a good or bad thing, depending on your taste.

Instead of settings being arranged in one long numbered list, in the new world they’re in a hierarchy of menus. Some settings are in odd places, but in general it’s a big improvement and easy to get around. The layout in the manual is simply incorrect, but even then it didn’t take too long to find most things. Some, however, were more difficult – read on and save yourself some trouble.

One handy feature of Beofeng analogue sets is the “dual watch”. This allows you to monitor two frequencies, and optionally lock on to the active one for transmissions. Although it appears in the manual, it wasn’t in the menu. The truck is to turn off “Power Saving” mode, after which it appears. There’s no sensible explanation of “Power save” mode, but it’s on by default.

Another oddity is tone squelch. CTCSS can be set on T, R and C. I’m not sure what ‘C’ is but I suspect it simply sets both T and R at once. The same menu identifies itself as setting DCS modes, but doesn’t appear to allow any such thing. I’ve yet to find a way of doing it on the radio, but you can from the programming software. This turns out to be true of quite a few things, for not apparently good reason.

Remember the analogue channel saving game, where you could write current settings to a memory and it sometimes worked? It was always a bit hit-and-miss in my experience, so I left it to CHIRP, but the DM-9HX has dropped the option entirely from the radio but it’s still described in the manual.

I struggled to program our local repeater in to the set, and discovered the following:

It’s not possible to save current VFO settings to a memory.

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It is possible to edit a memory when in MR mode, to an extent.

This is logical, but is a PITA if you’ve just got something working in VFO mode. and you want to save it. If you do want to store to a channel, switch to MR mode, choose the channel and then edit. The editing menu options vary from VFO mode, just to make life interesting. For example, you can’t program an offset transmit frequency using the direction/offset menu settings (they’re disabled in MR, but not in VFO). However, you can enter separate Tx and Rx frequencies directly (calculating the Tx in your head, of course). It’s a bit illogical, but it works.

Another thing you’ll need to know is that a memory location is either designated as Digital or Analogue. This is set using the programming software, and cannot be changed on the radio. Neither can unused memory locations be brought in to use. As shipped, a mixture of sixteen analogue and digital channels were configured by default; you’re going to need the programming software if you want to make use of the memory, but saying that, making quick tweaks to an existing memory on the radio is much easier than it was before. As a suggestion, you might want to define a load of channels in software early on, so you have enough to choose from when programming using the radio.

One big worry with the first unit I tested (I have others waiting) is that the CTSS appeared not to work on receive. However, leaving it set on Tx it seemed to work for both. Further investigation needed on this one.

And so to the programming software:

I received the programming cable and a small anonymous CD containing many files. One of these was a ZIP with a name in English identifying it as related to the DM-9HX, so I installed it. It was the right one, but it’s hard to tell because it came up in Chinese, and does so every time. Keep going through the menus until you find “English”, select the option and all will be well – assuming you don’t speak Chinese.

The cable is a USB lead, with multi-ring plugs that go into the mic socket. I’d have liked to see a micro-USB socket on the radio for programming, but it works. Windoze recognises without the need for any special COM port driver. Yeah! It recognises it as a mouse, but it works.

After this rocky start, I’m pleased to report that the programming software has worked perfectly so far. Some of the terminology for settings doesn’t match the radio, manual or any known term I know of but you can figure it out easily enough.

There’s no manual for the software, but it does have useful help information that appears in a lower window pane. A lot of additional options related to digital operation, such as phone books and zones. As a GUI, it works as you might expect.

For locking down the radio, you can select which menus are available to the user in a way that seems very flexible. You can also set the allowed frequencies, as you could with the analogue sets.

There is, however, one serious limitation to the software. I have found no way of importing/exporting memories to a spreadsheet. You have to enter them all, one at a time, using dialogue boxes. This is NOT cool.

Will CHIRP support this? Well no one has been inclined to add support for the DM-5R since 2016, but then again who would want to use one? Unfortunately, looking at the technicalities and very different nature of DMR it’d take some work to add, although it’s been propo DMR-6X2sed for 0.5.0.

The programming for another Beofeng DMR, the DMR-6X2, does import/export CSV so it’s entirely possible I’ve just not figured it out yet but I’ve looked closely.


That’s about it for this quick look. I’ve done some RF tests, the results are to follow, as is some proper photography. I’ve spoken to friends over analogue. The sound quality was described as fine, but through a repeater to mobile stations.

To conclude, after the false-start on the DM-5R, the DM-9HX delivers – both in terms of DMR functionality, compatibility and as a major step forward in usability. With a few rough edges.


Facebook has user data slurped

The following has just appeared on Facebook’s press release page:

Security Update

“On the afternoon of Tuesday, September 25, our engineering team discovered a security issue affecting almost 50 million accounts….”

“Our investigation is still in its early stages. But it’s clear that attackers exploited a vulnerability in Facebook’s code that impacted… a feature that lets people see what their own profile looks like to someone else.”

Mark Zuckerberg’s understated response to the incident was “I’m glad we found this and fixed the vulnerability. It definitely is an issue that this happened in the first place. I think this underscores the attacks that our community and our services faces.”

Wall Street’s response so far has been a 3% drop in Facebook’s stock.

I’m now waiting to see which of my sock puppets is affected.

Tesco Bank hit with £30m fine for computer breach

According to a Sky News exclusive, the FCA is set to clobber Tesco Bank with a fine of £30m over the data breach in late 2016, where £2.5m was snaffled from thousands of its customer’s current accounts. Except it turned out it wasn’t; only fifty accounts were actually plundered, not for very much, and it was all sorted.

So how does this warrant such a huge fine? It’s hard to see, but the first two theories I have are that Sky News has got of wrong, or the FCA has gone seriously bonkers. If they’re touching miscreant institutions for £600K per customer inconvenienced, RBS and NatWest are toast.

So what’s it all about? Well we don’t know what Tesco Bank actually did. My best guess is that someone cloned cards and cashed out at ATMs. That’s the easiest way, and there is no evidence this was widespread or sophisticated. And its interesting that only current accounts were hit; not credit – which is where the big money is in retail banking fraud.

But that’s just a guess. Why would the FCA be so exercised about some card fraud?

There is not shortage of other theories. There is the usual criticism of the patent company and its insecure non-banking systems. The usual unpatched server card is played. Yes, everyone knows Tesco self-checkouts use Windows XP. There ate criticisms of the lack of protective monitoring. Lack of AV. But this comes from commentators whose employer’s business is selling such things. There is talk of an inside job, which is possible but they didn’t take them for much if it was.

So if the FCA is really that cross with Tesco Bank, why?

The question no one is asking is why Tesco Bank announced a major breach, affecting so many people? Here I’m stacking guesses, but just for fun…

If I’m right about it being ATM bandits, could it be that staff investigating found something horrible and hairy, and jumped to the conclusion it was behind it? They did the right thing, and told everyone about the vulnerability, but the black hats hadn’t. The FCA would have been unimpressed, regardless of the consequences, and whacked them according.

If I’m right, it’s a bit rough on Tesco Bank, fined as a result of being robbed. But this is all one guess based on another. The truth may be still stranger.

Don’t ring 020 3287 4777 or 020 3239 6767

I’ve heard more than one report from local people about calls they’ve received on the landline telephones giving a recorded message. These have a CLID of 020 3287 4777 (and possibly 020 3239 6767). The recorded message says that an arrest warrant has been issued for them and they’re to call back on this number immediately.

If you fancy calling this number you can speak directly to a scammer. When our local cops did they got someone claiming to be HMRC asking for their name and national insurance number.

Please let any vulnerable people in your circle know this is a scam. The police don’t go around trying to arrest anyone using a recorded message.

I’m sure they’ll hop to a different telephone number when this one gets shut down, so be aware of the technique.

Facebook shares worth a punt

The confected row about Facebook and CA’s mining of the latter’s users’ data beggars belief. Facebook’s raison d’être is to profile its users and sell the information to anyone needing to target messages (adverts). The punters sign up to this because access is free. They might not understand what they’re agreeing to; a quick look at Facebook shows that many users are far from the brightest lights in the harbour. Buy hey, it’s free!

This is basically how Web 2.0 works. Get the punters to provide the content for you, collect information of value to sell to advertisers, and use the money to pay for the platform. Then trouser a load of tax-free profit by exploiting the international nature of the Internet.

So why the brouhaha now? Where has the moral outrage been for the last ten years? How come punters have only just started talking of a boycott (about twelve years after I did)? What’s changed?

The media has suddenly taken notice because some messages were sent on behalf of Donald Trump’s presidential campaign. What might broadly be called “left-wing” politicians have been exploiting unregulated social media to sway opinion for a very long time. Some became very uncomfortable when Trump gained traction by “speaking directly to his supporters” on Twitter. And now they’ve finally woken up to the way that the simple majority using a social media platform are able to propagate fake news and reinforce their simplistic beliefs.

But it wasn’t until the recent revaluations that Donald Trump was using it that anyone batted an eyelid.

This rabbit hole goes very deep.

Does this spell the end of Facebook? I somehow doubt it. Social media addicts are just that. They don’t want to lose all their virtual “friends”. They want people to “like” them. Those that realise it’s a load of fluff try to cut back, or “detox” for a few weeks, but they always come back for more. And for those who see social media for what it and have nothing to do with it are constantly pressured by the addicts, like a drug user turned pusher.

“You don’t use Facebook? How are we supposed to contact you?”

No. This row doesn’t spell the end of Facebook. I know MySpace, bix, CompuServe, Geocities and the rest went out of fashion, but Facebook and Twitter are too well established, and even promoted on the BBC. And if the addicts were outraged enough to move to a different platform, where would they go? Part of their addiction comes from Facebook being “free”, and no one has come up with an alternative business model that works. They’ll stick with the devil they know.

Meanwhile investors have the jitters and the share price has fallen. This won’t last.


TalkMobile GPDR security weirdness

I needed a pair of talkMobile SIMs to fit new handsets, so used their recommended option of Web Chat.:

Why do people on the phone think they can use GDPR in the same bonkers way they used to use the DPA 1998? Probably because most of the people they talk to have never read it.

Info at 9:50, Jul 27: Thank you for choosing to chat with us. An agent will be with you shortly.

Info at 9:50, Jul 27: You are now chatting with AbdAllah.

AbdAllah at 9:50, Jul 27: Hello, you’re chatting with AbdAllah, one of Talkmobile’s Help Team. How may we assist you today?

Frank at 9:50, Jul 27: Need a new smaller SIM. Please send one. Thanks.

AbdAllah at 9:51, Jul 27: Sure, no worries.

AbdAllah at 9:51, Jul 27 We’ll check that for you straight away.

AbdAllah at 9:51, Jul 27: For the security of the account, could you please confirm the full name, first line of your address and post code along with your date of birth?

Frank at 9:52, Jul 27: Frank J Leonhardt, XXXXXXXXXXX, PINNER, Middx XXX XXX

Frank at 9:52, Jul 27: I never give anyone I don’t know my DOB for security reasons, so you don’t have it anyway.

AbdAllah at 9:53, Jul 27: We have it, of course, that’s why we asking as we want to make sure that we talk to the account holder.

AbdAllah at 9:54, Jul 27: All chats are 128-byte SSL (Secure Socket Layer) encrypted. This helps to protect the confidentiality of all information provided.

Frank at 9:55, Jul 27: No, you don’t have it. You might have a date but it won’t be my DOB. And this chat is TLS v3.0 encrypted. SSL has been defunct for a while now.

Frank at 9:55, Jul 27: Is it perchance the first of january 1970?

Frank at 9:55, Jul 27: The time zero on Unix?

AbdAllah at 9:57, Jul 27: I quite sure that this chat is completely secured and there’s nothing to worry about, It’s a major company and out IT and data protection team are up to date.

Frank at 9:57, Jul 27: Great!

Frank at 9:58, Jul 27: However, it’s very unlikely I would ever have told you my real DoB.

AbdAllah at 9:59, Jul 27: No problem.

Frank at 9:59, Jul 27: So is it 1/1/1970?

Frank at 9:59, Jul 27: Might be 1/6/66

Frank at 9:59, Jul 27: (the mark of the antichrist)

AbdAllah at 10:01, Jul 27: Actually, we have to pass the security questions first.

Frank at 10:02, Jul 27: So it’s none of the above?

Frank at 10:02, Jul 27: In which case it’s something random.

AbdAllah at 10:02, Jul 27: Excuse me, we need to be accurate, please?

Frank at 10:02, Jul 27: Try another question. How about payment details?

Frank at 10:03, Jul 27: I DO NOT KNOW what DoB you might have for me. It’s not my real one.

AbdAllah at 10:04, Jul 27: We can not go further before the security questions.

Frank at 10:05, Jul 27: How about I call the bank and cancel the DD?

AbdAllah at 10:06, Jul 27: Why?

Frank at 10:06, Jul 27: I need to prove I am who I say I am, right?

Frank at 10:06, Jul 27: Only I could cancel the DD.

AbdAllah at 10:06, Jul 27: It’s all about your data protection, Mr Frank.

Frank at 10:07, Jul 27: You mean GDPR?

AbdAllah at 10:07, Jul 27: Yes, exactly.
AbdAllah at 10:08, Jul 27:I do apologize but if you do not answer the question we can not go any further.
Frank at 10:10, Jul 27: So how do we get passed this point? Using DoB as ID is a very bad thing, as I’ve said may times.
At this point their representative hung  up so I called instead and spoke to someone reasonable, who sorted it out immediately using an alternative question. And someone who understood the implications herself! So I’m still happy with TalkMobile and I’ll probably be with them for another ten years.
But someone really needs to sort out their GPDR training, and point out that it’s no blanket excuse.

Look at the size of my virtual pipe!

Many years ago I decried the new mania for virtual servers as a fix for Windows’ limitations in allowing services to be moved from one host to another. They’re also being used in the Linux world (particularly) in the form of “appliance architecture”, where services are not run on operating systems but whole systems are run within systems. I guess this allows non-technical people to visualise them better or something.

The situation is getting out-of-hand. People don’t understand they’re using a paradigm, and not a computer. This is leading to a lot of nuttery.

I’ve seen an instance when two virtual servers (running on one host) were running a service between them with a virtual load balancer in front in an attempt to improve performance. This was in a production environment. I only hope that whoever designed the system assumed it was going to run on real hardware, and then some muppet came along and simply copied a prototype to “the cloud”.

Reality check people: You may have something that looks like lots of small computers, but underneath there’s just one of them – and you’re sharing it with other customers. By virtualizing lots of small servers you’re just burning cycles on the big one, and retarding its disk performance. It’s a bonkers as a perpetual motion machine; it’s never going to run as fast as it would have directly on the host.

I’ve even heard people comparing one virtual host with another as if it was real hardware. Mine’s got 64Gb of RAM! Well mine is all SSD and a 16-core Xeon!

No you haven’t! You’ve got a software emulation of whatever your provider has sold you, running at whatever speed is left after the other customers have taken their chunk. You don’t have any RAM at all. Your OS thinks it has, but the whole OS could be swapped out. It’s disk accesses go through the hypervisor cache, and to its backing store at whatever speed it goes at. It may not look like your memory is paged, but the hypervisor is certainly going to be paging it anyway. If you feel better thinking you’ve got all the RAM you need, please continue in your virtual wonderland.

Ah, but you’ve got Elastic Computing, and can inflate the size of your RAM number of CPUs as demand increases. Let me tell you, an inflatable is never as good as the real thing. And your high demand may coincide with someone else’s. So you “reserve” the resources needed to cope with your peak demand. Hmm. Sounds a bit like having your own hardware to me.

I use one cloud server provider – It’s a bit of a love-hate relationship as, in case you didn’t realise, I don’t think much of cloud computing and anyway, I can afford to have my own. But if you need a small service on the end of an IP address on the other side of the world, they’re just what you need. I was amused to note that my “512Mb/20Gb” virtual server believed it came equipped with a 10Gb NIC talking to the Internet. Software emulation of 10Gbps anyone? And then there’s the contention ratio to worry about.


If I had a pound for every time someone asked me about BitCoin

IFrank Leonhardtt was no surprise when people started asking me about Bitcoin. Money is of great interest to a lot of people; mix it with technology and they want to talk about it.

The main question asked is “Should I buy some?”, closely followed by “Is it safe?”, and “Do you think it’s a bubble?”

To answer the last one first: “Of course it’s a bubble you idiot”. I don’t think there’s anyone who believes it isn’t, but greed conquers common sense. And investing in a bubble can be a rational strategy as long as you make sure you take your capital out before it bursts. You could say the same about any form of investment to some extent. The value of shares will rise and fall in the long term, and everyone knows you should spread the risk. Seeing the return for a punt on Bitcoin at the moment persuades some to abandon this golden rule and put all their funds at risk.

As to whether the technology is safe: No way! It’s as safe as the security of the computers it is stored on, and the integrity of those storing it. Good luck with that. Technically, blockchain technology itself looks very secure but that isn’t where the risk lies.

And now we get back to the main question: Should I buy some? Well I wouldn’t, simply because it’s immoral.

Yes folks, if you can see beyond the chance of a fast buck, Bitcoin is sleaze. There are a few fundamental truths about cash it might be worth reiterating.

Back at the dawn of history, humans realised they’d be better off if they traded. If you had a lot of grain but no apples, find someone with apples and no grain who wanted to do a swap. Cash emerged so you could defer a transaction; or enter in to multi-party deals more easily by extracting the value from the item and placing it in to something more convenient (small pieces of soft shiny metal).

A coin’s value depends on whether you can buy what you need with it at a later date. If you exchange your grain for a coin you have to be convinced that the apple dealer will exchange the coin for your apples. Coins are a matter of confidence; confidence that they can be exchanged for something useful later.

If coins were easy to make, people would just make coins and the apple dealer would end up with a load of inedible shiny metal fragments; so there must be a finite supply for cash to work if the cash has representative rather than commodity value. Prisoners have often used cigarettes as they also have commodity value in that you can smoke them. Leaves, on the other hand, are a poor choice of currency as they grow on trees.

With no commodity value, you might ask why Bitcoin works at all? There are effectively a finite number of valid bitcoins, so you can’t make your own. And people have confidence that they can be exchanged for the goods they need at a later date. Perhaps not as much confidence as they do with regulated currencies, but their big advantage is that they are outside the regulatory system, and like cash or cigarettes, are ideal for black market transactions.

The bottom line is that criminals accept Bitcoin for the purchase of drugs, weapons and extortion payments. Like the legitimate world using BACS/CHAPS/CHIPS (electronic Bank payments), organised crime in the 21st Century benefits from a black money clearing system: Bitcoin. Cryptocurrency has a value because it can be used for buying drugs in large quantities across international borders far more conveniently than using the old-school suitcase of dollar bills. No questions asked. If you want to buy narcotics, you need to buy Bitcoin to pay the dealers with.

Like any currency with a floating exchange rate, the value of a Bitcoin should fluctuate based on the supply and demand for the illegal goods and services it represents. If the demand goes up and supply remains the same, the value of Bitcoin would rise as purchasers out-bid each other to secure enough Bitcoin to pay their dealer. I strongly suspect that knee-jerk (or just jerk) investors are seeing a rise in cost, and not looking too deeply at the tangible commodities backing it. Or perhaps city speculators are not being greedy and stupid; perhaps they really do need Bitcoin to pay for their coke habits.

So, as to whether I think Bitcoin is a good investment, they only answer is: “Yes – it’s can be just as profitable other parts of the drugs trade if you can get it right.”

What’s the point of Docker on FreeBSD or Solaris?

Penguinisters are very keen on their docker, but for the rest of us it may be difficult to see what the fuss is all about – it’s only been around a few years and everyone’s talking about it. And someone asked again today. What are we missing?

Well docker is a solution to a Linux (and Windows) problem that FreeBSD/Solaris doesn’t have. Until recently, the Linux kernel only implemented the original user isolation model involving chroot. More recent kernels have had Control Groups added, which are intended to provide isolation for a group of processes (namespaces). This came out of Google, and they’ve extended to concept to include processor resource allocation as one of the knobs, which could be a good idea for FreeBSD. The scheduler is aware of the JID of the process it’s about to schedule, and I might take a look in the forthcoming winter evenings. But I digress.

So if isolation (containerisation in Linux terms) is in the Linux kernel, what is Docker bringing to the party? The only thing I can think of is standardisation and an easy user interface (at the expense of having Python installed). You might think of it in similar terms to ezjail – a complex system intended to do something that is otherwise very simple.

To make a jail in FreeBSD all you need do is copy the files for your system  to a directory. This can even be a whole server’s system disk if you like, and jails can run inside jails.  You then create a very simple config file, giving the jail a name, the path to your files and an what IP addresses to pass through (if any) and you’re done. Just type “service jail nameofjal start”, and off it goes.

Is there any advantage in running Docker? Well, in a way, there is. Docker has a repository of system images that you can just install and run, and this is what a lot of people want. They’re a bit like virtual appliances, but not mind-numbingly inefficient.

You can actually run docker on FreeBSD. A port was done a couple of years ago, but it relies on the 64-bit Linux emulation that started to appear in 10.x. The newer the version of FreeBSD the better.

Docker is in ports/sysutils/docker-freebsd. It makes uses of jails instead of Linux cgroups, and requires ZFS rather than UFS for file system isolation. I believe the Linux version uses Union FS but I could be completely wrong on that.

The FreeBSD port works with the Docker hub repository, giving you access to thousands of pre-packaged system images to play with. And that’s about as far as I’ve ever tested it. If you want to run the really tricky stuff (like Windows) you probably want full hardware emulation and something like  Xen. If you want to deploy or migrate FreeBSD or Solaris systems, just copy a new tarball in to the directory and go. It’s a non-problem, so why make it more complicated?

Given the increasing frequency Docker turns up in conversations, it’s probably worth taking seriously as Linux applications get packaged up in to images for easy access. Jails/Zones may be more efficient, and Docker images are limited to binary, but convenience tends to win in many environments.