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• Is a "Soft Modem" (i.e. internal) really going to cause incompatibilities?

  - by Farseeker

  Thanks to the fact that our banking industry in Australia... outdated (which is the politest word I could think of when describing the banking industry)... to do a certain kind of transaction our bank requires us to use a dialup modem and send serial data to them. When reading through their documentation (last update: 1995), they state that any "Soft Modems" (by which I assume they mean internal modems, as they refer to a AMR socket on a motherboard, which I haven't seen in donkeys years) should not be used because of "possible incompatibilities" Seeing as buying an external, serial-port modem is actually quite expensive these days and I have a whole box of PCI modems taken out of a bunch of Dells I really don't want to have to buy an external modem. Additionally I think their documentation is simply outdated. Has anyone had experience with internal modems causing issues, where an external modem didn't?

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• Macbook Pro - Disk Locked HD needs repair, can't reinstall OSX

  - by Rob

  I basically have the same problem. A friends HD was acting badly. Ran Disk Repair Util many times. Says disk needs repair but it won't repair it. I re formatted and installed 10.8 but that hasn't fixed it. Ive tried partitioning it and that won't work. Now I'm trying to get system 10.8 to reinstall and it says the disk is locked. Your fix requires Terminal, is that right? How do I open terminal to run your fix? Please help if you can. Disk Warrior couldn't fix it. I think the disk is bad. What do you think?

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• How to manage SOAP requests to a pool of VM each listening on a HTTP port with a priority value in these requests?

  - by sputnick

  I have a front SOAP web-server under Linux. It will have to communicate with Windows Servers VM listening each on a HTTP port, for a HTTP POST request. The chosen VM should return a report of the task to the SOAP client. In the SOAP requests, there's a special variable : the priority of the request (kind of SLA), and my question is coming right now : I think of using a ha software (nginx, HAProxy, HeartBeat...) that can manage priority in this point of view. Is it relevant or do you think I need to implement a queue by myself with some specific developments? Ex: I have a SOAP requests with low priority in the pipe : the weight priority for these VM should be decreased if I have high priority SOAP requests at the same time. Any clue will be really appreciated.

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• Mediawiki create user error after migration

  - by ing0

  So I had a mediawiki installed on windows with MySQL (running on AWS RDS). I've since moved it to a debian server for various reasons, but I think I've messed up the database because of the different versions of mediawiki I have used. The windows install was v 1.20alpha (58f390e). The new debian install is v 1.15.5-2squeeze4. I've tried to update debian but it doesn't find an update, so is this the latest squeeze version? Everything seems to work ok except adding users. It gives me a database error so I ran php maintenance/update.php which ran some stuff OK but didn't make a difference. I think I've not done the correct approach to this sort of move, does anyone know of a better way of doing it? I still have the old wiki running - but not used - on windows (using the same database) so I could always try this again.

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• Tons of spam on dreamhost mail user account

  - by user122022

  I use dreamhost for my webserver/ email host. I have about 25 users on one domain. and 1 of these users is absolutely inundated with spam every day. I have tried using dreamhosts poor blacklist feature, which was semi working (still letting a lot through) but I reached the 1000 email blacklist maximum very quickly. I have the ability to switch to google apps but that would be very expensive for 25 users. What options do I have aside from changing hosts with better spam filtering? I don't think its possible to only switch 1 user to google apps, it has to be the whole domain. There are other benefits to switching but I don't think they outweigh the cost for this company.

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• How to install software packages on a Mac? (MacPorts, Fink, anything better?)

  - by Ben Alpert

  On my Mac OS X machine, how would you recommend I install command line software and other packages? I've been using MacPorts and it always seems quite slow, presumably because it has to compile the packages on-the-fly. I'd much prefer a package management system that has binary packages, saving me the need to compile things every time I want to download something new. I think Fink has binaries for some of the packages, but I usually see MacPorts recommended as the system to use. Which do you think works better and why? (Or is there another system that I haven't heard of?)

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• Full computer freeze with audio stuttering after playing games for a period of time

  - by Wes

  I've been having a problem with my computer freezing completely when playing games like LA Noire or SW:TOR (yay early access!). Basically, what happens is I will play for around an hour or so (depending on the game) and when the freeze happens, the entire computer locks up and any audio that was being played glitches out and stutters broken-record style (only much shorter. Very techno). I think it might be heat related and thought it might be my video card overheating, so I have been setting my video card (Nvidia Geforce 260GTX 216-core) fan to highest setting, but that has little to no effect. Now I'm beginning to think it's either my FSB or CPU overheating. Can anyone provide some insight or similar experiences? I'm really at a loss and don't wanna damage my rig beyond repair.

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• Remote desktop on Mac

  - by Crystal

  I just started a job using a Mac. I also have a Mac at home. The IT dpt here does not know how to remote login to my desktop from home. They installed the Cisco VPN client and game an account for that. I think at this point I need some remote desktop software to login to my work Machine. I looked online and downloaded the free version of TeamViewer. I didn't really understand how to use it. I have my work computer's name, and was hoping that would be enough to login, but I think I am mising a piece of the puzzle. Any thoughts on how to login to my work computer? Thanks.

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• How to reliably map vSphere disks <-> Linux devices

  - by brianmcgee

  Task at hand After a virtual disk has been added to a Linux VM on vSphere 5, we need to identify the disks in order to automate the LVM storage provision. The virtual disks may reside on different datastores (e.g. sas or flash) and although they may be of the same size, their speed may vary. So I need a method to map the vSphere disks to Linux devices. Ideas Through the vSphere API, I am able to get the device info: Data Object Type: VirtualDiskFlatVer2BackingInfo Parent Managed Object ID: vm-230 Property Path: config.hardware.device[2000].backing Properties Name Type Value ChangeId string Unset contentId string "d58ec8c12486ea55c6f6d913642e1801" datastore ManagedObjectReference:Datastore datastore-216 (W5-CFAS012-Hybrid-CL20-004) deltaDiskFormat string "redoLogFormat" deltaGrainSize int Unset digestEnabled boolean false diskMode string "persistent" dynamicProperty DynamicProperty[] Unset dynamicType string Unset eagerlyScrub boolean Unset fileName string "[W5-CFAS012-Hybrid-CL20-004] l****9-000001.vmdk" parent VirtualDiskFlatVer2BackingInfo parent split boolean false thinProvisioned boolean false uuid string "6000C295-ab45-704e-9497-b25d2ba8dc00" writeThrough boolean false And on Linux I may read the uuid strings: [root@lx***** ~]# lsscsi -t [1:0:0:0] cd/dvd ata: /dev/sr0 [2:0:0:0] disk sas:0x5000c295ab45704e /dev/sda [3:0:0:0] disk sas:0x5000c2932dfa693f /dev/sdb [3:0:1:0] disk sas:0x5000c29dcd64314a /dev/sdc As you can see, the uuid string of disk /dev/sda looks somehow familiar to the string that is visible in the VMware API. Only the first hex digit is different (5 vs. 6) and it is only present to the third hyphen. So this looks promising... Alternative idea Select disks by controller. But is it reliable that the ascending SCSI Id also matches the next vSphere virtual disk? What happens if I add another DVD-ROM drive / USB Thumb drive? This will probably introduce new SCSI devices in between. Thats the cause why I think I will discard this idea. Questions Does someone know an easier method to map vSphere disks and Linux devices? Can someone explain the differences in the uuid strings? (I think this has something to do with SAS adressing initiator and target... WWN like...) May I reliably map devices by using those uuid strings? How about SCSI virtual disks? There is no uuid visible then... This task seems to be so obvious. Why doesn't Vmware think about this and simply add a way to query the disk mapping via Vmware Tools?

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• Redirecting email from from domain registrar to hosting comapny mailbox

  - by jmoreno

  I have the domain example.com registered with company A I have the hosting with company B (ServerGrove) Company A offers me simple parking, and company B offers me mailbox service. What I would like is to use the hosting company mail service. How do I configure the DNS records in company A to be forwarded to company B mailbox? I think I have to add a MX record to company A's configuration, and then the same in company B's DNS records, is this correct? I think I'm mixing concepts, and cannot see a clear solution, I've tried several configurations but all failed. Any help would be appreciated. Regards.

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• Exchange 2007 automatically adding IP to block list

  - by Tim Anderson

  This puzzled me. We have all mail directed to an ISP's spam filter, then delivered to SBS 2008 Exchange. One of the ISP's IP numbers suddenly appeared in the ES2007 block list, set to expire in 24 hours I think, so emails started bouncing. Quick look through the typically ponderous docs, and I can't see anything that says Exchange will auto-block an IP number, but nobody is admitting to adding it manually and I think it must have done. Anyone know about this or where it is configured? Obviously one could disable block lists completely but I'd like to know exactly why this happened.

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• My HP ProBook 4520s running Windows 7 hangs intermittently

  - by Rory Alsop

  I have not been able to trace a consistent cause, but a few times a day my laptop will hang for up to about a minute. I can still move the cursor which displays as the wait icon for whatever application I was last in, but cannot carry out any other actions. Unfortunately I can't Ctrl+Alt+Del to bring up a task manager and I just have to wait. I can't pin it down to a particular application either, but generally I have either office apps, a browser or other tools open. I'm tempted to think it may be network timeout on something, as I can't think of anything else which would delay for that long with such a significant impact, but as I'm more a Unix person I thought it would be worth asking here.

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• I have a 21TB array but only 16TB is visible from Windows

  - by Relentim

  CONTROLLER Raid Controller: 3Ware 9650SE-24M8 Disks: 21 x 1TB RAID5 Stripe 64KB WINDOWS OS: Windows Server 2003 SP2 32x Disk: Dynamic 19557.44GB Volume: Capacity 15832.19GB I guess my array must have a 4KB block size which is limiting it to 16TB. I think I would have to switch to a 64KB block size to be able to see a maximum of 256TB. Or create another unit on my controller to go above 16TB of storage. Unfortunately I have already added over 16TB, ideally I would like to shrink the array and reclaim the 5 disks that aren't doing anything. I don't think this is possible. More likely, can I change the block size so 20TB becomes visible in windows?

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• Is it possible to cause email to my domain to be handled by gmail?

  - by pitosalas

  [This is a very narrow question, and I don't think it is covered in similar sounding questions] I want to configure my server's DNS so that when someone sends email to [email protected] it is actually deliver it to [email protected] Note: My question is whether this is possible to do ONLY with DNS not with myserver.com's own sendmail. I think the answer is "NO" it is not possible, because when I add an MX record to DNS the email that was delivered to gmail's SMPT server would be TO: [email protected] and it would not know that account. (But I hasten to add that I am just vaguely starting to grok how this all works.)

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• Accessing SVN Repository on external drive

  - by Stephen

  I've installed SVN on my Raspberry PI and configured it to access the repository on an external hard drive. In /etc/fstab, I've have the following: //192.168.1.12/SHARE/repos /media/repos cifs sec=ntlm,username=Guest,password=,_netdev,dir_mode=0777,file_mode=0777 0 0 This mounts with no issues. When I go to add a project to the repository using the following command: sudo svn import mywebsite/ file://media/repos/mainrepository/mywebsite/ -m "Initial Upload" I get the following error: svn: E170000: Unable to connect to a repository at URL 'file://media/repos/mainrepository/mywebsite' svn: E170000: Unable to open an ra_local session to URL svn: E170000: Local URL 'file://media/repos/mainrepository/mywebsite' contains unsupported hostname The only thing I think maybe causing the issue is the file settings: drwxrwxrwx 2 root root 0 Jun 11 2009 repos As you can see the owner is root, I think it needs to be www-data, but for some reason I can't change it. Any help appreciated.

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• What TLDs should I use for my NS records for redundancy? (DNSSEC support required)

  - by makerofthings7

  Question As a general practice, is it a good idea to use multiple TLDs for the name servers? How should I choose between which TLD would be a good candidate for being the root server for my NS name? More Info I am switching over 800 DNS zones to an outsourced DNS provider. I originally planned on setting the zone names to nsX.company.com, but think it would be best to have multiple TLDs such as .net , .org and .info Since I plan on supporting DNSSec at company.com I think all the 1st tier Name servers must support it as well. Part of the inspiration for this question came from our provider UltraDNS. In their configuration screen for our domains, they actively verify and alert us if our name servers aren't exactly: pdns1.ultradns.net pdns2.ultradns.net pdns3.ultradns.org pdns4.ultradns.org pdns5.ultradna.info pdns6.ultradns.co.uk

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• Saving Proxy Settings from different networks

  - by elcool

  I go to different clients and they all have their networks with different proxy settings. So I'm always having to change the proxy settings and saving the info in a notebook, and it becomes a pain after a while. So, any good way to save all those proxies and have them recognize the network I'm on and load up? Currently I maintain two: one in IE for clients, and none in Firefox for when I'm at home. And I think the last network I was on asked me to save the proxy and I think it went to system settings. But I don't know much about networking.

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• Help: My SSL Certificate expired but I can't renew this weekend, is there a way I can disable SSL through IIS?

  - by shogun

  Or perhaps force redirect to HTTP when they request HTTPS? I tried removing the SSL port settings under 'Advanced' but it broke the login page. I don't want to do a deploy/recompile right now but I am able to edit the VIEWS. However I am thinking there may be a way for IIS to do this, but then again I think the .NET code tries to force SSL. Crap. This is bull crap because I was bugging people about getting the new certificate since December and they were like oh we will take care of it... I think it may have even gotten to the point where they were getting annoyed with me hassling them about it! (rant over.) And yes, the key is that more support tickets will be caused by the browser giving a security error than if SSL was removed entirely for one day. Becaues they wouldn't very very likely not notice it being gone.

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• Can I lvreduce after lvextend without losing the ext4 partition inside it?

  - by DrSAR

  In a botched attempt to move my root partition from one disk to another I have done the following: added new disk partitioned it with parted (part #3 is now almost totally filling the disk) initialized a physical volume $ pvcreate /dev/sdb3 Physical volume "/dev/sdb3" successfully created extended the volume group to include this new physical disk $ vgextend myvg /dev/sdb3 Volume group "myvg" successfully extended extended the logical volume (I think this is where I ballsed it up: I think I should have pvmove'ed stuff to the new pv in that group - can someone confirm?) $ lvextend /dev/mapper/myvg-root /dev/sdb3 I would now like to undo the lvextend and then proceed with the original plan of moving the content of the old physical volume over to the new physical volume. Can I reduce the logical volume (I have not yet touched the ext4 partition that sits in /dev/mapper/myvg-root with something like resizefs) without fear of damaging the ext4 filesystem? If so, how do I tell it to reduce by exactly the right amount? $ lvreduce --by-exactly-the-amount-occupied-by-PV /ev/sdb3 /dev/mapper/myvg-root

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• VGA passthrough and desktop virtualization

  - by Zacariaz

  In short, my dream is to have one machine with multiple paravirtualized desktop and server guests, one of which has to be a Windows desktop with powerful graphics. As Windows can't be paravirtualized in the normal sense of the word, I was quite happy when I heard about VGA passthrough, but then I read on. As I understand it, such a setup would mean that the Graphics will be dedicated to one particular guest, thus you wouldn't be able to switch between guests. If this is in fact so, would someone please explain to me what the purpose/use of VGA passthrough is? I can think of no real use for it. Yes it's a cool technology, but to me it seems pointless. It's true that it's possible to passthrough individual VMs to separate GPUs, which is also cool, but in the end I should think that two seperate computers would make life a whole lot simpler. Again it seems rather pointless.

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• How can I monitor ports on Windows?

  - by Olav

  What is the simplest way on "local" (1*) Windows, for known ports, to: Find out if it is used. Find out as much as possible about what is behind the port. Find out as much as possible about traffic through the port. Find out if something else is interfering with the port and traffic to it. I have used Fiddler in the past, but I think that's mostly HTTP? I don't if Wire-shark does more? I think there is a tool closely integrated with Windows? Which one? (5). I am looking at NMap, but its seems to be more a suite of tools, and a high entry level. 1*: Primarily this is for what happens inside my Windows Machine, but if necessary, I can for example use a VM, or the wireless connection.

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• Exchange 2007 automatically adding IP to block list

  - by Tim Anderson

  This puzzled me. We have all mail directed to an ISP's spam filter, then delivered to SBS 2008 Exchange. One of the ISP's IP numbers suddenly appeared in the ES2007 block list, set to expire in 24 hours I think, so emails started bouncing. Quick look through the typically ponderous docs, and I can't see anything that says Exchange will auto-block an IP number, but nobody is admitting to adding it manually and I think it must have done. Anyone know about this or where it is configured? Obviously one could disable block lists completely but I'd like to know exactly why this happened.

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• How come Core i7 (desktop) dominates Xeon (server)?

  - by grant tailor

  I have been using this performance benchmark results to select what CPUs to use on my web server and to my surprise, looks like Core i7 CPUs dominates the list pushing Xeon CPUs into the bush. Why is this? Why is Intel making the Core i7 perform better than the Xeon. Are Desktop CPUs supposed to perform better than server grade Xeon CPUs? I really don't get this and will like to know what you think or why this is so. Also I am thinking about getting a new web server and thinking between the i7-2600 VS the Xeon E3-1245. The i7-2600 is higher up in the performance benchmark but I am thinking the Xeon E3-1245 is server grade. What do you guys think? Should I go for the i7-2600? Or is the Xeon E3-1245 a server grade CPU for a reason?

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• Cursor and selection invisible if focus is lost

  - by Alois Mahdal

  "Latest" versions of Excel (I think it's since 2007) have a new added "feature" that if Excel windows loses focus, the cursor becomes invisible. Also coloring of headers is default, so it's impossible to locate cursor and/or selection as soon as I switch to other window. This annoys the hell out of me as it makes Excel almost unusable for most of tasks I need it for: keeping track of test cases while performing testing in another window. obtaining data somewhere else and porting it to Excel (I have never seen such behavior in other applications and can't even think of a justification for it.) Is is possible to turn this behavior off?

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• My laptop keeps hard resetting

  - by cgoddard

  I have had this laptop for a long time (five years at least) and it hasn't had the best treatment over the years. But over the last few months, it has been randomly completely shutting down, no blue screening, no steady shutdown, just black screen, then BIOS. I think it might be happening as I do a save, but cant be sure, but recently it has been getting very annoying. I did initially think it was an overheating issue, but the speed that it comes back online is staggeringly fast for it to have cooled down sufficiently. plus it has got incredibly hot before with no issue (since its been doing this). Does anyone know what might be going on? Dell Inspiron 640m, running Windows 7.

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