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  • Choosing a new laptop

    - by chiongms
    I'm looking for a new laptop. I saw few: i) HP ProBook 4321s ii) HP ProBook 6440b iii)Dell Latitude E6410 i found these laptops are still very new..is it? not much comments about them. can anyone help? i doubt how their graphic cards perform compare to each other? ProBook 4321s- Radeon HD4350 ProBook 6440b- Radeon HD4550 Latitude E6410- NVS 3100M most of the time i'll running 3D CAD software, C++ programing...i saw my friend's laptop with radeon HD4350. it's perfectly fulfilling my demand. but i wonder how the other two are? Another thing i doubt is the screen resolution..my current laptop is 1280x800, and i found it comfortable to use. But these two HP only offer 1366x768..will it make any large different? Lastly, is there anyway to estimate how their power consumption is from the spec sheet? well, i would prefer one with longer battery usage time. my current laptop is suck...only last 1 hour even when it's still new..i'm not going to get another like this anymore. Anyone can help me please? Thanks!

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  • Effective backup and archive strategy for database and linked files

    - by busyspin
    I am using Postgres to store a variety of application data for a webapp. Part of the application involves storing and retrieving user uploaded files. I am storing the files in the filesystem with some associated metadata in the database. I am trying to come up with a backup and archive strategy so that I can effectively backup and archive/restore the database and the linked files. Here are the things I want to accomplish. Perform routine backups that can be used for recovery from failures and which include all DB data and the linked files. Ideally, this backup would be done while the app is running. Live backup is certainly possible with a DB but I am not sure how to keep the linked files consistent with the database during the backup process Archive chunks of data as they become "old". These chunks must includes the database data plus any linked files. It should be possible to put the archived data back into production again. It would be ideal if it were easy to determine which ranges of objects were stored in each chunk. Do you have any advice for how to accomplish these goals? If the files were in the database as BLOBS these tasks would be much easier since normal database backup and restore functionality would handle this. I am not sure how to accomplish the same thing when file data is linked to database rows.

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  • Windows 7 - User profile corrupted on standby/hibernate

    - by Dogbert
    I have a friend who uses Windows 7 for her home PC. She has a RAID1 array that is using up-to-date Intel Matrix storage drivers, and the entire array is backed up to a separate internal SATA HDD via Acronis True Image every night. Over the weekends, she lets her machine go into suspend after 4 hours of inactivity, and then later into hibernation after 6 hours of inactivity. Her Acronis backup system does nightly incremental backups, and full backups every Saturday night. She also has AVG Free Antivirus installed which does full scans every Monday. So far, on two occasions, on Sunday morning, her user profile is corrupt. I couldn't find any solution that allowed me to repair her profile, so I end up having to (as suggested by MS Knowledge Base, http://windows.microsoft.com/en-us/windows7/fix-a-corrupted-user-profile ;, Yep, no solution to fixing it, just clobber the whole thing) recreating her profile, then copying over data, recreating her Outlook profile, reconfiguring all third-party applications, etc. It's a real nightmare, and takes 4 hours to do each time. Are there any suggestions on how to resolve this profile corruption? This was happening even before the RAID/Acronis solution was in place, but I thought I'd provide as much information as possible.

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  • What does a connection timeout indicate when performing an NFS mount?

    - by DeeDee
    We have a shiny new QNAP NAS (TS-879U-RP), and I'm trying to mount it to our big ol' RHEL server in the same manner as our other two QNAP NAS devices. The IT department won't give me the root privileges to the NAS, so I can't SSH in (I know, I know). The first thing I did was to, via the QNAP web admin interface, create a network share named "Runs." I then added the IP of the RHEL server to the permissions list: On the RHEL server, I then added the following line to /etc/fstab: [IP of NAS]:/Runs /mnt/gsrnas3 nfs defaults 0 0 Aside from the IP and the specific mount directory name, this is how I mounted the other two NAS devices. I then created the gsrnas3 directory under /mnt/, and then ran `mount /mnt/gsrnas3' I got the following error: mount.nfs: Connection timed out My first thought is that it's a ports issue, but I don't have enough specific experience with this issue to know for sure. I have two other NAS devices by the same manufacturer already mounted to this RHEL server, so that leads me to believe the configuration issue is on the NAS side of things. I can ping the NAS device successfully from the RHEL server. Not being able to SSH into said NAS is a huge hassle, though. Any ideas?

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  • DNS issue for internal website routing internet connection from remote location

    - by Michael Paul
    I have an issue that I could use some help with. Our company has a main location and a remote location. Previously, the remote location was connected to the main location through an internet connection VPN tunnel. The connection was pitifully slow at 1.5Mbps, so we upgraded it with a 75Mbps direct link. That meant the remote location lost it's internet access, so we routed their access through the main office internet connection. Everything works perfect except for one thing. The website we host is not accessible from the remote location unless the IP address is used. If I do NSLOOKUP on our website address from a machine connected to the main location network, it resolves correctly to the inside IP address. However, if I do the same from a remote location machine, it resolves to the website's outside IP address. Our internal DNS server(s) have a pointer and CNAME records set up, and everything was working perfectly before the connection was upgraded. In addition, the remote location has a domain controller, DNS server and DHCP server to service these requests at the remote location and prevent these requests from getting routed back and forth over the link. So I think was it happening is that for some reason the DNS server at the remote location is not resolving our website name correctly and passing the requests on to the routers, which then push the request out to the internet DNS system. That resolves the name to our external IP. This is purely a DNS issue, everything else works just fine. I am just stumped on this one. Any ideas on how to fix this? Edit: I forgot to mention that at the remote side of the link is a Cisco ASA-5505 and at the main office there is a Cisco ASA-5510. The link is connected between these 2 devices and the routing is handled in the 5510. Thanks, Michael

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  • Installing WinPcap on Windows 8

    - by Dave Robinson
    I know there has been lots of discussion already on installing WinPcap on Windows 8. I'm running the RTM version. I was able to install WinPcap without a hitch by using the Windows 7 compatibility mode. Since then, I've noticed that WinPcap has stopped running and is actually no longer even installed. I tried installing it again, but now it continues to tell me that WinPcap does not work with my version of Windows. Compatibility modes and admin privileges make no difference. The only thing I remember doing to my system was installed 900MBs of Windows Updates. Does anyone have any ideas about what I might do to get WinPcap installed? I've already ensured that the compatibility mode settings I changed were in effect for all users. I've already ensured that "run this program as an administrator" is checked on the compatibility tab for all users. I've also tried installing WinPcap 4.1.2 and 4.1.1. No success with either.

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  • How can I download a copy of an S3 public data set?

    - by tripleee
    i was naively assuming I could do something like s3cmd sync s3://snap-d203feb5 /var/tmp/copy but I seem to have the wrong idea of how to go about this. I cannot even get a simple thing to work; vnix$ s3cmd ls s3://snap-d203feb5 Bucket 'snap-d203feb5': ERROR: Bucket 'snap-d203feb5' does not exist I guess the identifier I have is not for a "bucket" but for a "public data set". How do I go from one to the other? Do I have to start up an EC2 instance and create a bucket for this? How? The instructions at http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-public-data-sets.html seem to assume I want to use the data in an EC2 instance, but in this case, I'd just like to browse a bit, at least for a start. By the by, copy/pasting the "US Snapshot ID" causes a nasty traceback from Python; they publish the ID with a weird Unicode (I presume) dash which cannot directly be copy/pasted. Is there a mistake when I copy it? And what's the significance of "US" in there? Can't I use the data outside North America??

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  • Software to automate website screenshot capture

    - by Leniel Macaferi
    Do you know any software that can automate the process of getting screenshots of every page of a website? It would act like a spider/crawler/robot. You name it... For example: I developed a website and now I'd like to get a screenshot of every page of the site. I of course could do it manually (a lot of work). For each module of the site (Student, Payment, etc) I have different pages (Create, Edit, Details, Delete, etc) forms. The thing I'm looking for is a software that can visit every link of the site and then capture the screen - a software that can automate the whole process. It would also be good if the software allowed the user to pass a list of URLs to capture screenshots allowing even more fine grained configuration. EDIT: I tried Selenium mentioned by Aaron in his answer but I managed to find an app that does exactly what I needed. It's called Paparazzi!. I wrote a blog post to showcase my attempt at Selenium and the findings regarding Paparazzi!'s batch capture functionality: Software to automate website screenshot capture

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  • how to set cache control to public in iis 7.5

    - by ivymike
    I'm trying to set cache control header to max age using the following snippet in my web.config: <system.webServer> <staticContent> <clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="1.00:00:00" /> </staticContent> </system.webServer> Some how this isn't being reflected in the response. Instead I see a Cache-Control: private header on the responses. I'm using NancyFx framework (which is a layer on top of Asp.net). Is there any thing else I need to do ? Below are the reponse headers I receive: HTTP/1.1 200 OK\r\n Cache-Control: private\r\n Content-Type: application/x-javascript\r\n Content-Encoding: gzip\r\n Last-Modified: Mon, 19 Mar 2012 16:42:03 GMT\r\n ETag: 8ced406593e38e7\r\n Vary: Accept-Encoding\r\n Server: Microsoft-IIS/7.5\r\n Nancy-Version: 0.9.0.0\r\n Set-Cookie: NCSRF=AAEAAAD%2f%2f%2f%2f%2fAQAAAAAAAAAMAgAAADxOYW5jeSwgVmVyc2lvbj0wLjkuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPW51bGwFAQAAABhOYW5jeS5TZWN1cml0eS5Dc3JmVG9rZW4DAAAAHDxSYW5kb21CeXRlcz5rX19CYWNraW5nRmllbGQcPENyZWF0ZWREYXRlPmtfX0JhY2tpbmdGaWVsZBU8SG1hYz5rX19CYWNraW5nRmllbGQHAAcCDQICAAAACQMAAADTubwoldTOiAkEAAAADwMAAAAKAAAAAkpT5d9aTSzL3BAPBAAAACAAAAACPUCyrmSXQhkp%2bfrDz7lZa7O7ja%2fIg7HV9AW6RbPPRLYLAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%3d; path=/; HttpOnly\r\n X-AspNet-Version: 4.0.30319\r\n Date: Tue, 20 Mar 2012 09:44:20 GMT\r\n Content-Length: 1624\r\n

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  • Warning for "Reallocated Event Count" S.M.A.R.T. attribute with a new/unused drive. How serious is t

    - by Developer Art
    I've just looked at the health status of my old 2,5 inch 500 Gb Fujitsu drive with a popular "HD Tune" utility. It shows a warning for the "Reallocated Event Count" property. How serious is that? The thing is that the drive is practically new. I pulled it out of a new laptop over a year ago and never used it since. Right now it only has 53 "Power On" hours which sounds about right since I only had it running a few evenings overnight before switching it for something more performant. Does this warning indicate that the drive is likely to fail some time in the future? I'm somewhat perplexed since the drive is effectively unused. What is more, I have arranged with somebody to buy off this drive since I don't really need. It is 12,5 mm thick (with 3 plates) meaning it doesn't fit into an external enclosure which makes it quite useless to me. Can I give away the drive without having it on my conscience or better cancel the deal? In other words, can the drive be used safely for years to come or better throw it away? I'm running a sector test now to see if there are any real problems. Will post the results as soon as they're available.

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  • How can i use the `eject` command on a computer i have SSH'd into?

    - by will
    So if i do eject on my machine, it works exactly as expected, however, if i ssh into the machine next to me, and do the same thing, it does not work... my computer: eject: using default device `cdrom' eject: device name is `cdrom' eject: expanded name is `/dev/cdrom' eject: `/dev/cdrom' is a link to `/dev/sr0' eject: `/dev/sr0' is not mounted eject: `/dev/sr0' is not a mount point eject: checking if device "/dev/sr0" has a removable or hotpluggable flag eject: `/dev/sr0' is not a multipartition device eject: trying to eject `/dev/sr0' using CD-ROM eject command eject: CD-ROM eject command succeeded other computer: eject: using default device `cdrom' eject: device name is `cdrom' eject: expanded name is `/dev/cdrom' eject: `/dev/cdrom' is a link to `/dev/sr0' eject: `/dev/sr0' is not mounted eject: `/dev/sr0' is not a mount point eject: checking if device "/dev/sr0" has a removable or hotpluggable flag eject: `/dev/sr0' is not a multipartition device eject: unable to open `/dev/sr0' if i look in the /dev/ dir, then i find cdrom which is a symlink to sr0 - as mentioned by the verbose outputs of eject -v. On my machine, if i try and look at it, if the drive is open, it will close it, and then give this: $ less sr0 sr0 is not a regular file (use -f to see it) so $ less -f sr0 sr0: No medium found but if i do it on the other computer, $ less -f sr0 sr0: Permission denied so i look at the files more, and get this on both machines: $ ls -la sr0 brw-rw----+ 1 root cdrom 11, 0 Nov 12 10:13 sr0 Does anyone know a way around this? I do not have root access.

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  • File in use when it's really not

    - by C-dizzle
    I am running Windows 7 Professional 32 bit on a Server 2008 network. I am getting a weird issue with an excel document where I open it up one morning, update it, save and close, the next morning I come in, open it up and it says "This file is in use and locked by csmith" which "csmith" is me! So I click on the cancel button, open it up again and it comes up fine. I can edit, save and close with no problem. But then have the same issue the next morning. Another weird thing is that we have a calendar shared in "Public Folders" under Outlook that seems to be having the same issue, which happens to be a calendar made in Excel. Exchange 2010 is installed on the server and the clients are using Exchange 2007. In the instance with the calendar, it will show conflicting edits have been made and you must keep one item or all items. And it shows an edit date of 4/24/2012 and 6/1/2012. But, there were NO edits done on 6/1, just tried opening it. This problem does not occur under my profile, but 2 others. These machines are ALSO running Windows 7 Professional 32 bit. We have a mix of Windows 7 and Windows XP machines on our network if that is any help. These issues did not start happening until we migrated from a server running Server 2003 and Exchange 2000, which the new server is running Server 2008 and Exchange 2010 as stated above. Is there something on the server side that is configured wrong?

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  • Is there any way to retire a AT&T Yahoo Email Account

    - by KindaSortaAsking
    Here are the facts as I (pretty sure) know them. Yahoo handles AT&T's DSL email accounts. I've called AT&T tech support and customer service and they say they can't help, but there has GOT to be a way to do this. It's too simple of a thing not to be able to do. I got behind on my dsl bill and my account got suspended. When I paid my bill, they said my account had been deactivated and I had to get a new account. When I tried to register my account with my old email address it would not let me, saying it was in use. I used a new email. The old email address is tied to a dsl account that can NEVER be reactivated. There has got to be a way to retire the old email address so that I can re-create it as a subaccount on my new dsl account. I'm not interested in anything that was in the old account (emails, addresses, etc) - I just want the address back.

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  • Magnetic Stripe Reader over Terminal Server has random Uppercase/Lowercase nonsense

    - by Peter Turner
    The Magnetic Stripe Reader that I'm using and testing is just supposed to be sending keystrokes. Unfortunately, it seems to randomly be sending upper case and lower case keystrokes, sometimes substituting % for 5 and ^ for 6 and vice versa. (If you've ever programmed for a magnetic strip reader, you know that's not a good thing.) Is there something in the RDP protocol that causes this? I've got kind of a convoluted system, running XP inside virtualbox on Fedora 11 RDP'ed into a win2k3 server. It works on the XP VM and it doesn't work on the RDP'ed one. What's weirder, is that I'm not even emulating the USB drivers for my Mag Card Reader. Linux is sending keystrokes straight in to windows, and MSTSC on windows XP is sending crap to the Win2k3 server. I'm 99% certain this isn't a problem with the card reader, it has nothing to do with my programming either. (I get the same junk coming into notepad that I get coming into our software [that's why I didn't ask on SO]). And, it works with rdesktop programs other than MSTSC.exe! Needless to say, I'm in need of some RDP Guruship.

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  • Linux/Unix in Windows

    - by Dmitriy Nagirnyak
    Hi, What would be the best way to get the full-blown Unix/Linux bash inside Windows? I don't mean the Virtual Machine, but rather only the terminal with mounted NTFS drives. This way I could use the power of Unix/Linux still being on Windows. The things I want to be able to do from the terminal: Package management (apt-get in Debian). SSH. File operations (including grub and similar). Run a web server (Apache, nginx) for testing purposes. Easy to use: start terminal - Linux is on, end terminal - Linux is shut down. Would be nice to be able to copy-paste from Windows into Terminal and vice versa. This really feels like a separate OS and I realize that VM would, probably, be the best thing. But I guess it should be possible to have a lighter installation. THE NOTE: I cannot just use Linux because of I still need to do development on Windows. Also I am a Linux noobie - just getting started with it so sorry if asking something obvious/stupid. Thanks, Dmitriy.

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  • Somewhat powerful server needed for computationally expensive stuff

    - by Dane Larsen
    So here's my problem. My Dad runs a company that does some rather computationally expensive stuff. This is not supercomputer level stuff, but it does take several hours to run the average job on his Core i7 desktop. He asked me to look into a way to have his customers use the code on an hourly basis, namely via a server. Ideally he'd be able to buy a box for about $1000, and hook it right up to our home connection. Unfortunately, the data that needs to be both sent and received is on the order of several hundred megs. We live in a rural area, and the fastest connection offered is 1.5Mbit/s. Download. It's like .3Mbit/s upload. Not workable. What are the options for this kind of thing? Ideally, we'd have about 2GB of ram, 300-500GB of storage, and a nice dual core, and it has to run some flavor of Linux. Any suggestions? Thanks in advance EDIT: Also, ideally the monthly price would be < $100 per month.

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  • Firefox crash on first load on Ubuntu Linux on older Dell Laptop

    - by Ira Baxter
    I've had a Dell Latitude laptop since about 2000 without managing to destroy it. A month ago the Windows 2000 system on it did something stupid to its file system and Windows was completely lost. No point in reinstalling Windows 2000, so I installed an Ubuntu Linux on the laptop. Everything seems normal (installed, rebooted, I can log in, run GnuChess, poke about). ... but ... when I attempt to launch Firefox from the top bar menu icon, I get a bunch of disk activity, the whirling cursor icon goes round a bit and then everything stops: disk, icon, mouse. Literally nothing happens for 5 minutes. Ubuntu is dead, as far as I can tell. A reboot, and I can repeat this reliably. So on the face of it, everything works but Firefox. That seems really strange. The only odd thing about this system when Firefox is booting is that while it has an Ethernet port (that worked fine under Windows), it isn't actually plugged into an Ethernet. As this is the first Firefox boot since the Ubuntu install, maybe Firefox mishandles Internet access? Why would that crash Ubuntu? (I need to go try the obvious experiment of plugging it in).

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  • Sluggish Windows SBS 2003

    - by TomWilsonFL
    One of my customers has a Windows 2003 Small Business Server which at this point is basically the DC, DNS, Fileserver and Symantec Protection Manager. I have disabled Exchange because I moved their mail to Google Apps. The server is extremely sluggish when doing anything. It is most noticeable when a dialog box is open (say the System properties), and you try to change tabs. This is usually instant, but on this machine can take 3-5 seconds. What additional services / packages can I uninstall from this machine knowing that it is only performing the above roles? Will removing the "Small Business Server" package in Add / Remove Programs get rid of a few unnecessary things? Any other thoughts? P.S. I know Symantec Endpoint and the Protection Manager are hogs, but I have nothing to replace the solution with at the moment. Thanks, Tom UPDATE: I looked over the different performance metrics, but nothing stood out as a problem. One of my friends mentioned Symantec's log and temp files can get quite huge and slow things down, so I ran CCleaner on the machine and found close to 3 GB of Symantec "stuff." Removed that and now the machine is MUCH better. I am still unsure why the data just sitting there would cause such a slowdown. The drive is not even near full. The only thing I can imagine is that Symantec must have to run through this stuff now and then.

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  • emails not sending from CentOS 5.6 VM on Win7 via PHP code

    - by crmpicco
    I am experiencing an issue where my CentOS 5.6 (Final) VM running on Windows 7 has stopped sending emails from my PHP code. I'm confident this isn't a coding issue as I have the exact same code running in my office and emails send correctly from there, hence why I believe this to be a networking/configuration issue. In my /etc/hosts/ file on my VM I have the following: 127.0.0.1 localhost.localdomain localhost 192.168.0.9 crmpicco.co.uk m.crmpicco.co.uk dev53.localdomain When I run setup on my VM the DNS configuration is set to dev53.localdomain and my Primary DNS is 192.168.0.1. In My /var/log/maillog files I see a lot of this sort of thing: Nov 19 14:36:58 dev53 sendmail[21696]: qAJEawI7021696: from=<[email protected]>, size=12858, class=0, nrcpts=1, msgid=<1353335817.9103820024efb30b451d006dc4ab3370@PHPMAILSERVER>, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1] Nov 19 14:36:58 dev53 sendmail[21693]: qAJEawvd021693: [email protected], [email protected] (48/48), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=42681, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (qAJEawI7021696 Message accepted for delivery) Nov 19 14:36:59 dev53 sendmail[21698]: qAJEawI7021696: to=<[email protected]>, delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=132858, relay=mailserver.fletcher.co.uk. [213.171.216.114], dsn=5.0.0, stat=Service unavailable Is this likely to be a configuration issue?

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  • Using Varnish (only) for DDoS mitigation

    - by Martin Kanters
    My VPS is suffering from a (D)DoS doing a SYN flood with spoofed IPs. I'm right now searching from ways how to be able to defend (at least a bit) against it. It's running a DirectAdmin apache2 webserver. Mainly used for serving PHP and MySQL. We are using CloudFlare, which are saying that they are able to mitigate (D)DoS at some level, now the attacker knows our real IP address, so CloudFlare isn't helping a bit. I've done some searching on the net and found out about enabling SYN cookies, to defend against it. I've checked my settings and it seems it was enabled all along. I've also read about that Varnish is able to defend against SYN flooding and Slowloris attacks, now I'm pretty interested in using that. The thing is that CloudFlare is already caching a lot from us, and I don't wish to spend too much resources on Varnish. Is it possible and smart to set up Varnish only for the better handling of requests? Are there perhaps better ways which I've missed? Thanks in advance, Martin

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  • Laptop hangs on POST and does not finish except on rare occasions

    - by user1049697
    I have an old Toshiba Satellite A100 laptop that hangs on POST when I try to start it. On rare occasions it does finish the POST and boots Windows successfully, but most times it just finishes it partially and continues to hang. I can enter the BIOS though when it has frozen, but I have to open the DVD-drive first for some reason. The keyboard is not quite right either, and I can't navigate the BIOS properly because the arrow keys doesn't work. I tried an external keyboard, but the problem persisted. I have tried to remove the memory, hard drive, and battery to see if any of these were the problem, but it did not solve it. The one logical thing left to do would be to remove the CMOS battery, but the "brilliant" engineers at Toshiba have place it such that a complete disassembly of the machine is necessary. What this all boils down to is basically the question of whether I can "save" this machine and get it to boot properly, or if I should just send it off to recycling. I suspect it might need costly repairs, but I can't bring myself to throw it away before I have made sure it's completely dead.

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  • Xen PV packet loss

    - by Delphinator
    I'm having some serious issues with packetloss with one of my servers. This server is a somewhat old (P4-era) machine running Debian Squeeze and Xen 4.0. There are two domUs running on it (both also Debian Squeeze), one gateway and a fileserver. Unfortunatly the processor has no virtualization extensions, therefore only PV can be used. While investigating why our network seems to be slower than it should I found some pretty bad packet loss (~25%). After further investigation and several experiments I did a measurment between the dom0 and one of the domUs: Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 110 KByte (default) ------------------------------------------------------------ ------------------------------------------------------------ Client connecting to dom0, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 110 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.2(domU) port 33817 connected with 192.168.1.100(dom0) port 5001 [ 4] local 192.168.1.2(domU) port 5001 connected with 192.168.1.100(dom0) port 48606 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 46.3 MBytes 38.7 Mbits/sec [ 3] Sent 33020 datagrams [ 3] Server Report: [ 3] 0.0-10.0 sec 46.2 MBytes 38.6 Mbits/sec 0.030 ms 89/33019 (0.27%) [ 3] 0.0-10.0 sec 1 datagrams received out-of-order [ 4] 0.0-10.2 sec 43.0 MBytes 35.3 Mbits/sec 13.074 ms 11575/42256 (27%) tl;dr: 27% packet loss from dom0 to domU with 50Mbit UDP packets. Same thing happens from anywhere in the network. The problem gets better for smaller bandwidths (0.047% for 5Mbit) and worse for higher (59% for 200Mbit) ones. I did increase the CPU-weight of the dom0, there is no swapping going on, and actual networking-hardware is not involved. I never expected Xen (or anything related) to drop packets, and I'm completly clueless what to try next.

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  • IIS permission configuration issue

    - by Dan
    Sorry the title of this question is a little ambiguous but I don't really have any idea where the issue lies - I'm seeking some clarification of the server error logs. Basically, I had a dedicated server running Windows 2003 and Plesk (v8 I think). Last week the server hardware failed and the entire thing had to be rebuilt from scratch. New hardware was put in, new operating system (Win2008), new Plesk installation (v9.5), new software (MSSQL etc) then all data ported over manually from old C and D drives to restore all 30 client sites. It was hell! All has been okay for a couple of days now but about an hour ago POP! Suddenly all sites went down giving a 500 error. Restarting all services eventually brought everything back online, but I'm now living in total fear. It can - and probably will - happen again. The guys on support gave me the following errors from the server log: The Template Persistent Cache initialization failed for Application Pool 'ASP.NET v4.0 Classic' because of the following error: Could not create a Disk Cache Sub-directory for the Application Pool. The data may have additional error codes.. The worker process for application pool 'domain1.com(domain)(2.0)(pool)' encountered an error 'Cannot read configuration file ' trying to read configuration data from file '\\?\C:\inetpub\temp\apppools\domain1.com(domain)(2.0)(pool).config', line number '0'. The data field contains the error code. The worker process for application pool 'PleskControlPanel' encountered an error 'Cannot read configuration file ' trying to read configuration data from file '\\?\C:\inetpub\temp\apppools\PleskControlPanel.config', line number '0'. The data field contains the error code. The support guys are so ambiguous about this and it scares me horribly. Can anyone positively identify the cause of this error which lead to all client website going offline? What can be done to prevent it from happening again? Any pointers would be very much appreciated! Thanks folks...

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  • Git clone/push/pull - where's that username comes from?

    - by Kuroki Kaze
    I've set up gitosis and able to pull/push through ssh. Gitosis is installed on Debian Lenny server, I'm using git from windows machine (msysgit). The strange thing, if I enable loglevel = DEBUG in gitosis.conf, I see something like this when doing any actions with gitosis server: D:\Kaze\source\test-project>git pull origin master DEBUG:gitosis.serve.main:Got command "git-upload-pack 'test_project.git'" DEBUG:gitosis.access.haveAccess:Access check for '[email protected]' as 'writable' on 'test_project.git'... DEBUG:gitosis.access.haveAccess:Stripping .git suffix from 'test_project.git', new value 'test_project' DEBUG:gitosis.group.getMembership:found '[email protected]' in 'test' DEBUG:gitosis.access.haveAccess:Access ok for '[email protected]' as 'writable' on 'test_project' DEBUG:gitosis.access.haveAccess:Using prefix 'repositories' for 'test_project' DEBUG:gitosis.serve.main:Serving git-upload-pack 'repositories/test_project.git' From 192.168.175.128:test_project * branch master -> FETCH_HEAD Already up-to-date. Question is: why am I *[email protected]? This email is in global user.email config variable, too. Yesterday, when the gitosis was installed, it seen me as kaze@KAZE, this is the name under which I was added to gitosis-admin group (and it worked). But today git (or gitosis) started to see me as [email protected]. This is true for all repositories I push or clone. I had to add this address to gitosis.conf directly on server to be able to edit configs again (it worked). There is 2 public keys in keydir: [email protected] and [email protected], their content is identical and they have kaze@KAZE at end. Origin URL looks like git@lennyserver:test_project. Now, the question is - why Git (or gitosis) suddenly decided to call me by email instead of name@machinename? I've changed a couple things trying to set up Gitosis (updated git on server to 1.6.0 for example), but maybe I broke something in my local git installation?

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  • Cisco ASA with CSC module bypassing

    - by Shial
    We recently upgraded from a Watchguard X5500e Peak firewall appliance to a Cisco 5500 ASA with the CSC module. The ASA is running the 8.2 software and the CSC is on the 6.3.1172 software. We've finally gotten everything stabilized after a few weeks of pulling hairs and gnashing of teeth and now its down to trying to setup a few items that were lower on the priority list. With the watchguard we were able to go with the browser to an internal webpage and authenticate against the firewall to allow us to bypass the filters. Useful when a classroom here needs access to streaming media or an executive needs us to download a video. I'm trying to setup something similar but I'm fairly inexperienced with the Cisco devices like this ASA so I'm not sure if its treated as a VPN connection or some kind of ACL. Ideally we would want to setup more than one to limit exposure rather than one thats wide open when used. I did a search and couldn't find anything related to thing in the other questions asked here and I have had no luck googgling it either.

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