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  1. R

    A "keyboard" that only has audio functions, is there such thing?

    I got a new KVM that does emulation, so it does not suck like most other KVMs. Downside of that, is any special functions don't work, such as volume control, stop/pause/play etc. Is there such a device that acts like a keyboard, but only has those functions on it and has a small foot print...
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    Recommend a KVM that is USB and HDMI or DVI, and is not flaky!

    Seems most KVMs suck. I've went through so many but they all suffer from slow switching and locking up, having to unplug/replug etc... I just want something that switches instantly and does not lock up. Budget is $500. I am willing to pay that if that's what it takes. 4 port would be nice...
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    What's everyone do for UPS protection?

    I have a 750w UPS for my server room that can hold my existing server stuff for 4 hours, been meaning to upgrade to a telecom style 48v setup with some beefy 2000w+ inverters... but for now I simply don't have enough UPS power for a full rig. Thinking of just buying a used 2200va unit or...
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    How do you upgrade unifi controller?

    I'm trying to update a Unifi AP due to that wifi vulnerability that was discovered. I did manage to upgrade the AP and it is at version 3.9.3 according to the busybox prompt. (I'm assuming that's same as the AP version?) Problem is, now it won't adopt it in the controller. It's just stuck at...
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    PFsense web interface locks up entire system if internet is down

    I noticed if my internet is down and I am accessing the web interface, at some point, something will fail to load. The page will just spin forever. At this point the entire web interface is pooched, even trying to close and go back in, no go. Only way to get it going again is to power cycle...
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    How to protect Virtualbox VM from coruption due to forced reboots?

    I have a VM at work that runs a department web server. Problem is, they love to randomly force reboot all the machines in the company, including that one. I kinda figured this would be a problem, and well today it really was. Now the VM is corrupt and I will need to rebuild it. It does not...
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    How do spammers spoof my internal domain?

    I was going through my spam folder and noticed something interesting. There are some of them are actually spoofing my INTERNAL domain. That domain is not valid on the internet and is not part of the email addresses being sent to. How are they doing this? I also saw some where the spoofed email...
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    How do you determine firmware version of Unifi through SSH?

    I have two spare Unifi APs that I'll probably put in service somewhere else so figured I would update the firmeware ahead of time. Problem is when I run the update it just says "+exec" and then it dies. I have no idea if it actually did anything and I can't seem to find anything on google...
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    Is it viable to mine with solar power using older (obtainable) asics?

    I just had this crazy idea, what if you setup a ~500w array and a ~300w miner and just have it setup to turn on when there is sun, then turn off shortly after (to reduce the need for too big of a battery). So say you spend $1,500 on the whole setup would that pay for itself in a reasonable...
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    The new task scheduler in windows is terrible

    WTH is that crap? Trying to create a task in win7, what a piece of garbage. Overly bloated interface with nothing actually useful. I just want to make a script run at a certain time. I don't even see an option to set a time or condition. When I click ok I have no idea where it even went...
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    Virtualbox on Win7 - anyway to detect that host is rebooting?

    I setup a VM at work on a dedicated (headless) PC that we will be using as a department web/db, problem is they force reboot our machines (the win7 host in this case) all the time at completely random, can be middle of day, middle of night, etc. This is going to eventually lead to corruption...
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    This needs to be bigger than it is.... how do we protect ourselves?

    So it looks like the newer Intel chips (by newer - still old enough, like i7 and so on) have some separate subsystem that runs separate from the OS, and it even has a 3G radio. Basically an NSA spy bug. This is quite alarming considering it's running at such a low level with no way to turn it...
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    What would cause Privacy Badger to list my domain?

    I have a domain I use just for posting images on forums and what not, I just noticed recently that it's blocked by Privacy Badger. What would prompt a domain to become listed, and is there something equivalent to SPF records to basically tell such tools that the domain is legit? Like some kind...
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    weird pfsense issue: login and it goes to fullscreen graph

    When I login to pfsense, the dashboard flashes very fast, then the traffic graph goes full screen. Is there a way to stop this from happening? I can't do anything within pfsense because of that. This just started recently. Edit: Was able to get in by disabling scripting then reenabling it...
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    Critical security issue in Samba / SMB

    Badlock Bug Not really sure the details of the bug but apparently it's fairly big and should be patched Tomorrow. Guessing this is only really an issue if you have internet facing SMB though, which is already a bad idea.
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    NFS and async

    Been fighting with NFS performance issues for a while and just found that if I set the async option in /etc/exports it might boost performance. How do I go about making it a global option? I don't want to have to specify it for every single host and every single share each time. Is there any...
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    Random name resolution failure in named

    I run my own local DNS, which also acts as a cache/forwarder basically if there's not a local record it just goes out to the root servers to get it. I think it's default behaviour, I don't recall having to change much. Recently I noticed that it randomly fails to resolve stuff but only...
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    Looking at revamping my VM/storage setup (open source only) looking at options

    My current setup is as follows: Storage: single 24-bay server acting as a NAS with NFS shares for various purposes, but for now I'll just concentrate on VMs, so I have one share per LUN. (LUN at this point is just a raid array, basically) VM: Vmware ESXi - I just put that together real...
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    Full screen ads in Android

    I noticed lot of apps now have full screen ads that show up when you close the app. VERY annoying. Anyone else notice this? Seems to be a new trend. Is there a way to block this crap? It's quite ridiculous.
  20. R

    Was messing around with iperf and noticed something weird in pfsense

    I was bored and wanted to see what kind of sustained speeds I can get between various hosts so I transfered 100GB between two vlans using iperf. [root@vpnsrv ~]# iperf -c borg.loc -n 100G ------------------------------------------------------------ Client connecting to borg.loc, TCP...
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    Church audio

    Figured this might be a good spot to ask this question. Long story short, I'm looking at sourcing out a brand new audio system for our church as our stuff got stolen (who steals from a Church? :() Figured may as well do this right and use separate components (or is it better to go...
  22. R

    How does everyone archive data these days?

    I have lot of data on spinning disks that is archive data that I want to keep, but don't really need to access very often nor does it ever change. Just wondering what everyone does these days to archive stuff. I have around 900GB or so. Simplest is to probably store it on hard drives, but...
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    Does smart data reset after a while?

    I was curious and looking at the power on hours on some of my drives, and they are very low compared to what I'd exact. I have not replaced any drives in years and some are showing less than a year's worth of hours. I don't believe any of these drives go to sleep, I always make sure not to buy...
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    Unable to adopt Unifi AP on new install of controller software

    I used to have a Windows VM for the controller software which was kinda a pain and during network changes I just got rid of it with intention of looking into what it would take to run it in Linux. So today I did just that and found a tutorial and download link for a Linux version of the...
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    network/vlan wide domain blocking

    Been toying with the idea of setting up something where I can block hostnames such as ad servers and privacy infringement related hosts, basically like a host file, but something I can setup on a per vlan bassis. (it can be the same list, I just want to be able to turn it on/off per vlan). I...
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    Postfix/dovecot: Configuring mail routing on a per mailbox bassis

    I guess this technically would go in Linux forum but I figure people here may know how to do this and this section gets more traffic. I'm rebuilding my home email server so I can retire the old physical box that is currently responsible for it as well as update the software. It's currently...
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    How do sites like Facebook know so much about your browsing and how do you stop it?

    I typically run with an ad blocker but the other day I was at work on a computer that I had it turned off as it was a new install of FF and just never got around to installing adblock plus. I was on FB and noticed that I was getting ads for EXACT items that I searched for on a completely...
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    Is there anything I can do to stop spammers from spoofing my email?

    I noticed an influx of bounce back emails from spammers using my email address to send spam. I know these are not actually originating from my server, but that does not stop people who are getting spam from submitting my domain to RBLs which will result in my server's IP being blacklisted...
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    Ubnt wired PoE network cameras

    Anyone use these? It's been on back of my mind to install security cameras and I've been looking around for a while for a decent wired network camera and I think I may have just found it. Decent price, wired and POE. Most of the ones I find when searching are wireless now days which is...
  30. R

    How to backup Wii U games

    I just preordered Super Mario Maker, and it occurred to me, if the hard drive on the Wii U craps out and the Nintendo servers are no longer operational, I basically lost a $70 game. Is there a proper way of backing up downloaded games? I googled it and found some details such as soft mods...
  31. R

    Restrict named to only allow nsupdate from localhost + key

    I just discovered an interesting named command called nsupdate which basically allows you to update records on the fly without having to restart/reload the service, just need to setup the records differently and create a secret key that is used for updating as a form of authentication. I wrote...
  32. R

    pfsense DNS forwarder randomly stops working only for certain hosts

    I noticed this odd issue with the DNS forwarder in pfsense. I have a few locked down vlans that I don't want to give direct access to my internal DNS server but still want them to resolve from it so I use the forwarder and just point the machines to the gateway. This works 99% of the time...
  33. R

    How does X server work?

    I'm trying to troubleshoot an issue at work where an exceed .xs file fails to launch properly and as a result I want to learn more about how X server works so I can better troubleshoot this. Basically the XS file connects to a Telnet server (yes, telnet, I know!) and logs in to that server and...
  34. R

    Cheapest option for system that has VT?

    I'm looking for a super cheap option, like no more than a few hundred for 2 or more systems that have a cpu with VT (and any other options that would be required for a hypervisor setup). Basically I just need two systems to play around with so I can test different virtualization setups. I...
  35. R

    Blocking those annoying web gray out screens

    I think they're also called modals. It seems almost every site has them now days, and they just make my blood boil. Worse is most are delayed, so you're half way through reading an article and know that it's about to happen. This happens a lot when googling for any kind of information as it...
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    What's a good AV that does *ALL* malware?

    I hate this whole distinction between spyware and viruses, to me they're all bad and one should not need so many different programs. Is there an AV out there with real time protection for both viruses and spyware? Idealy something that is user friendly with the least amount of...
  37. R

    2 PCs to 1 set of speakers, long distance

    I have two PCs, Windows machine for gaming and Linux for every day use, they're in my server room with long cables running to my office. Great setup, except the audio could be done better. Right now I have two audio cables coming up, then go to a splitter, then two the speakers. I probably...
  38. R

    multiple small raid 10's or few big raid 10's, what's better performance wise?

    My file server / NAS which everything rides on from raw file access to VMs uses md raid, I currently have a 4-disk raid 10 with 3TB drives (Toshiba/Hitachi), and a 8-disk raid 10 (WD reds) and there's a 10-disk raid 5 but it's only for backups as I moved stuff off it. I find I often get...
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    What is proper way to deal with a function that has multiple return paths?

    Say I have this code in a function: int Function() { int error = SomeInitFunction(); if(error) { return error; } //allocate some memory or something error = SomeOtherFunction(); if(error) { return error; } error = SomeOtherFunction2(); if(error) { return error; }...
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    Webalizer spitting out BS stats

    I setup Webalizer a while back on my old web server. Since apache does not put the domain in the log file I had to split up my logs on a per sub/domain basis and created separate webalizer scripts to run so as to ensure it's putting proper stats from right domain into right graphs etc... So I...
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