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• Backup Exec 10 - Network connection to the remote agent has been lost

  - by jherlitz

  Okay, so I have 4 remote offices, all running off of a 3mb ethernet connection. Two sites are part of a WAN and 2 sites are using 3mb connections over a site to site tunnel. I am using Backup Exec 2010, I have the remote agent installed on all the remote servers. For the past few weeks now, on the two sites running over the site to site tunnel have been failing with the following error message now. "The network connection to the Backup Exec Remote Agent has been lost. Check for network errors" We used to be on a DSL connection site to site tunnel, now we changed to the 3mb ethernet connection using site to site tunnel. I have to find out, has it been failing ever since we changed, or just recently. Backup exec support is telling me it is a network issue. My communication or connection to the server is solid, we don't have any issues, or outages. So I am baffled on why this continues to fail. And why just those two sites.. Any advice?

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• Ubuntu NBR karmic boot freezes at fsck from util-linux-ng 2.16

  - by Bluebill

  I have a netbook (emachine e250 - equivalent to an acer aspire one) and I have Ubunutu NBR 9.10 installed on it. Every other cold boot freezes at the following error message: fsck from util-linux-ng 2.16 There is no disk activity, no activity what so ever. I have left the machine sit for over an hour and nothing. It takes a couple of hard resets to be able to boot properly. Once it boots everything works great (wireless, suspend/resume, etc.)! I have spent the last couple of weeks researching the problem and the only thing that seems to work is setting nolapic in the boot string in grub - it boots every time. Unfortunately, nolapic disables the second core and causes problems with suspend resume. At first I thought it was an fsck problem with the first partition on the hard disk as it is a hidden ntfs partition containing the windows xp recover information. So in /etc/fstab I set the partition so that it would be ignored by fsck. This didn't seem to do anything. I have these partitions: /dev/sda1 - an ntfs recovery partition /dev/sda2 - /boot /dev/sda3 - swap /dev/sda5 - / /dev/sda6 - /home I am running kernel version 2.6.31-19-generic and have all the patches (as indicated by update manager). I also have no splash screen so I can see the boot progress. I have only been using NBR since January, I have been using Ubuntu on my desktop since last June (2009-06). What logs should I be looking at? Is there a log for failed boots?

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• Auto Log-Off Windows users - Windows 2003 domain

  - by thehatter

  Hi! I am trying to make windows clients automatically log off after some time, I have been trying to use the winexit.scr which I have seen working else where in a similar environment. After working though these instructions (I did read the comments and notice the original ADM provided is buggy) I've had no joy what so ever! Winexit.scr refuses to read any settings in the registry, even while using a test account I can access the required reg key(s); edit, add, and remove values. Essentially winexit.scr always uses it's default values: 30 second timeout, no forced log-out. What I really want is a 30 minute timeout with a forced log-out, closing all the users apps etc. I've tried removing and re-adding the ADM template, creating the GPO from scratch several times, giving various registry permissions - including full control to "Everybody" just for fun! Oh, clients are all win XP SP3, DC is win 2003 R2 SP2. So, can anybody suggest something? Cheers!

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• Word 2007 won't run, tries to reinstall, fails with error 1402.

  - by eidylon

  Okay, this problem has been plaguing this computer for a while now. We tried googling, and none of the answers found helped to solve the problem. So, I am now posting the answer here for posterity. Office 2007 Home/Student edition was installed on the computer, running Vista (32-bit). One day, Word just up and stopped working. All the other programs continued to operate as expected. But every time you would click the icon for Word, it would pop up an install dialog, with a message reading "Preparing to install...". After a few minutes of the little progress bar going and going, it errors out, and gives error 1402, something to the effect of unable to access registry key HKEY_Local_Machine\Software\Classes\.wll\.... Searching around, every answer i found had to do with reassigning the permissions on this key, giving full rights to SYSTEM or to Everyone, and propagating the changes down to all sub-keys. When ever this was attempted though, it would tell us that we were unable to access the key due to permissions, even though we had run regedit as Administrator and are logged on with an administrative account. We also tried uninstalling Office and reinstalling it, as well as doing a repair install. Both these attempts also threw the same 1402 error. Also of note was that the executable for Word (winword.exe) was MIA and no longer to be found in the Office install directory.

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• Motherboard running rather hot while gaming

  - by I take Drukqs

  Case: Antec 1200 Mobo: Gigabyte GA-X58A-UD3R CPU: Intel i7 950 (stock cooler) GPU: EVGA GeForce 570 GTX RAM: 2x 2 GB (4 GB total) DDR3 dual-channel Corsair OS: Windows 7 Home Premium 64-bit This is my first build and it's brand new. I had no problems putting it all together in a few hours one evening and I consider myself to be pretty good with computers. Not to brag or anything like that! Just saying I've been fiddling with them since I was in diapers and I have a good amount of experience under my belt, just not with certain things yet. Recently while playing many of the latest games maxed out without a hitch my motherboard has been running hot and like anyone who's ever built a computer it scares the life out of me. I checked HWMonitor and saw that my motherboard sometimes reached temperatures of around 52 - 78c (the number 78 obviously being what's scaring me). I was wondering if such a temperature is normal and if not what the problem could be. Air flow in my case is phenomenal and besides having to ship back a faulty GPU and reseat my CPU my first build has been a very large success which I am enjoying tremendously. There is literally almost no dust in my case due to it being very new as previously mentioned and my RAM sticks are in the correct slots for dual-channel mode. My cable management is pretty great in my opinion with only cables from my PSU lingering in the bottom of the case. At any given opportunity I ran my cables behind my mobo. Air flow should definitely not be a problem because my CPU only goes up to about 60c and my GPU only goes up to about 80c. Thank you very much in advance.

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• FastGate A20 Line And Himem.sys Issue With Updating BIOS

  - by Boris_yo

  I have been persistent with a thought to perform my first BIOS update ever through MS-DOS but have been postponing this task until today. Despite people telling me any bootable ISO will do it either through CD-ROM or RAMDRIVE, I am still having problems. First is the problem with CD-ROM driver trying to make it work with 4 driver files (cd1.SYS, cd2.SYS, cd3.SYS, cd4.SYS) as well as starting RAMDISK proved to be failure: CD-ROM XMS Allocation Error RAMDISK XMS Allocaton Error (X: and R: drives not working) This A20 line seemed to be the obstacle which then after a couple of searches pointed me to this article on Microsoft website. It seems that FastGate is the culprit which takes over A20 line and conflicts with himem.sys which should be handling it causing the driver to be unable to allocate memory resources. Albeit article suggests 2 workarounds which is disabling FastGate option or adding switch, I read that the former workaround could cause problems which involves later tinkering BIOS, disabling shadow copy etc. while the latter workaround can just hang system as stated in the link above. I assume it just hangs the boot process from image file though. Summing up the above, I am cautious and think it is risky to follow both workarounds because disabling FastGate or trying adding switch by trying available switches from 1-14 or 16, could crash the BIOS update process by itself. I could do this without the need for himem.sys with bootable USB thumbdrive by making it to be seen as USB-HDD, but some time ago I read that it is never a good idea to update BIOS from hard drive so even thought it is simulation, who knows... Maybe it will deactivate hard drive in the middle of the BIOS update process or even USB thumbdrive per se? One forum discussion was about updating BIOS and somebody suggested to not load himem.sys for some reason, but now that I think of it, what if BIOS update needs upper memory?

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• What was your biggest waste of money, and what should you have bought instead? [closed]

  - by rob

  I waste a lot of money on computer equipment and other electronics that I don't really need. I've also bought software that I've never really used, or which as been replaced by better free software. As I'm buying things, it doesn't seem like much--fifty bucks here, a hundred dollars there. But when I go back and look at how much I've spent over my past few electronics purchases, I usually start to think of the other things I could have bought with that money instead. Most of the computer hardware and electronics don't usually improve my life by much, if at all. Case in point: back when I was in college, I prided myself on getting the best deals for computer hardware, but when I went back and added up all the money I had spent, I had probably wasted close to a thousand dollars on "cheap" $100 hard drives that eventually all went bad (including the warranty replacements). Even if they did still work, it would not be worth the effort to use them, because they're too small and too noisy by today's standards. I've also spent thousands more on other junk, such as RAM and CPU upgrades that only gave modest performance jumps, and wireless audio transmitters that I used for a short time to stream music from the now-defunct Yahoo! Music service. Every time I see a really great deal on RAM or video cards, I come one click away from buying them, but these days I'm usually able to resist. I've been wanting to get into woodworking ever since I moved into my house, and five years later I'm finally saving up for a $600 table saw. Sure, I've already got a toolbox and a couple of the essential power tools like a drill and a jigsaw, but I can't help but think that I'd have an entire shop full of woodworking tools and a lot of nice wood furniture if I hadn't wasted all that money back in college. What has been your biggest waste of money on computer stuff and technology? If you had all that money back, would you make the same mistake again and buy the same types of things, or would you spend it on something else?

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• Disabling the charms bar

  - by Kelly D

  How do I disable the the charms bar? I am surprised there is no easy way to disable the feature. Here's what I've done so far: 1.) Disabled right edged swipe gesture in my touchpad settings. Part of the problem is solved as this was probably the most common way the charms bar would pop up. But there are still many other ways it can pop up. 2.) Used regedit and added the key "EdgeUI" with "DisableCharmsHint" set to 1 in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ImmersiveShell\ This stopped it from popping up whenever I moved the cursor to the top right or bottom right of the screen. I mean who ever needs to move his/her mouse there? (sarcasm) But there's ANOTHER WAY it pops up: when I move the cursor to the top right of the screen followed by moving it downwards OR when I move the cursor to the bottom right of the screen followed by moving it upwards! How do I disable this method of invoking the charm bar?

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• Disable "Do you want to change the color scheme to improve performance?" warning

  - by William Lawn Stewart

  Sometimes this dialog box will pop up (see screenshot below). Every time it appears I select "Keep the current color scheme, and don't show this message again". Windows then reminds me again -- either the next day or after reboot, or sometimes another 5 minutes later. Do you want to change the color scheme to improve performance? Windows has detected your computer's performance is slow. This could be because there are not enough resources to run the Windows Aero color scheme. To improve performance, try changing the color scheme to Windows 7 Basic. Any change you make will be in effect until the next time you log on to Windows Change the color scheme to Windows 7 Basic Keep the current color scheme, but ask me again if my computer continues to perform slowly Keep the current color scheme, and don't show this message again Is there some reason why Windows is ignoring/forgetting my attempts to suppress the dialog? I'd love to never ever see it again, it's annoying, and it alt-tabs me out of fullscreen applications. If it matters, I'm running Windows 7 x64 Professional. I believe the dialog appears because I'm forcing Vsync and Triple Buffering for DirectX applications.

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• RAM ok in memtest86+ == RAM ok after wake from sleep?

  - by twon33

  I have a Windows XP (32-bit) system that appears stable in normal operation, but was repeatably freezing (hard lock, no BSOD) a minute or so after waking from S3 sleep. Some Googling against the motherboard model and memory manufacturer suggested that I might need to bump up the memory voltage, so I tried it and it now seems to resume without freezing. However, I don't really trust it and I'd like to validate that it's actually stable, especially after resuming from sleep. I've run Prime95 for a few hours with no issues, and am planning an overnight run of Memtest86+, which I expect to pass because the system has been solid whenever I've run it without putting it to sleep. Does something like Memtest86+ exist that actually invokes S3 sleep during operation? Clearly it would need an operator to wake the computer to resume testing, but I don't think I've ever heard of a memory test tool that can do this. Alternately, am I wasting my time? Should a clean bill of health from Memtest86+ indicate stability regardless of whether sleep is involved, or, conversely, does my original problem indicate that Memtest86+ would have failed eventually with the stock voltage if I'd run it, sleep or not?

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• Vista won't boot. BSOD: Page fault in nonpaged area

  - by user31576

  Here's the story: I let Windows Update do the updates it wanted to do, then rebooted the computer. The updating process was taking time so I went away. When I came back, my computer was rebooting. It got as far as the Windows logo with the laoding bar. BSOD'd. Rebooted. And I'm stuck in this loop ever since. Looked up on the net, the "Page fault in nonpaged area" seems to be linked to faulty RAM or drivers. So I ran a memory test, it found no error. When I try in safe mode (with promt) I can see a list of drivers being loaded, then I get the same BSOD. I tried to repair using the Vista DVD, it says "nothing to repair". I tried to restore to a previous state, it says "no restore point found". So, my guess is, it's got something to do with the drivers. How can I identify the one causing the BSOD? If you have any other leads, What can I do? By the way, I'm writing from this very computer, running a linux distro I installed after the BSOD loop started. So i guess it's not an hardware issue. I have backed up important data, and will format and reinstall Windows if I must. But I'd like to avoid that. Thanks in advance for any help you can give me.

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• Can't access one directory via HTTPS + public FQDN

  - by Justin James

  Hello - I have the strangest IIS error that I've ever seen in my life. I have an application/directory on an IIS server, that throws an error 500 when accessing ANY of the content in it, including HTML documents, when accessed via HTTPS AND the machines FQDN. When I access it with "localhost" it works fine. When I added a bogus entry for the NIC's IP in the hosts file, it worked fine. When I access it with the machines name and HTTP it works fine. Here's a chart (the machine's name is "lofn.titaniumcrowbar.com"): http - lofn.titaniumcrowbar.com: works https - lofn.titaniumcrowbar.com: broken https - localhost: works https - temp.titaniumcrowbar.com (put into hosts file): works I set up tracing, and I got some useless information: "The I/O operation has been aborted because of either a thread exit or an application request. (0x800703e3)" This would make sense, except this happens when pulling up static content. While the directory may be an "application", the content is all static in it. Any/all suggestions, no matter how strange, are VERY appreciated. Thanks! J.Ja

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• Is there a way to exclude a specific drive vdi from "snapshots" in VirtualBox?

  - by Graza

  ...or is there another space-efficient way of dealing with the page/swap file of the Guest O/S? I've realised that its quite possible/likely that one of the things which "bloats" the snapshot/diff vdi's when a snapshot is taken is the guest operating system's pagefile. For example, say I have a 2Gb swap-file in a Windows guest OS, and over the course of a few weeks the usage of the swap file has gone over 1Gb a couple of times. When I next create a snapshot, it seems likely that I'd be almost guaranteed around 1Gb of space taken up in the new differencing disk just because of changes in the swap file. Obviously (provided I never did "live" snapshots on running or paused machines, and only ever did them when the machine was shut down), I would not need any of the information in the swap file to be saved. So this would simply be a waste of 1Gb. I'm wondering if there's a way to attach a vdi to a VM and flag it as "exclude from snapshots" - which would mean I could put the swap file on a different vdi which would never be included in a snapshot. Or if anyone has any other suggestions. Or an explanation about why it might not be an issue. I could obviously delete and recreate a swap drive vdi every time I did a snapshot to achieve the same effect, but this is a little more effort than simply clicking "create snapshot"....

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• How can I determine what is killing my network adapter win7 or vista?

  - by datatoo

  I thought this issue was like another person here, and that downloading the nvidia chipset drivers was the solution. However that is not all that is going on. This machine had Vista 64bit and is now Win7. Same issue with both. I have explicitly been denying network driver updates since getting things working again and when a Windows updates occurs on seemingly benign Office updates the adapter fails to work. Is the update process somehow protecting this machine by turning off things and it fails to recover connectivity after a restart? All that seems to ever work is a system restore. Which does work. Since there are 25 pending updates asking to do there thing, I hate to think this is a one by one update test to find the culprit. Any ideas? This has an integrated nic, video, and I guess audio on the motherboard. ES5200 intel cpu on a gateway 4800-05e I am not quite sure how to determine the actual network adapter. This is a wired adapter. I suppose worst case I can try another adapter if this keeps happening.

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• Configuring ZenOSS to monitor CPU load

  - by Tom

  I'm trying test out monitoring tools for a network at work with a coworker but neither of us have ever used an sort of monitoring tools before. Currently we are experimenting with ZenOSS and having some difficulties. We want to populate our CPU load graphs because that is one of the primary feature we are looking for in our monitoring tools but we have been unable to populate the graphs with data. So far we have installed the wmipreformance, sqldatasource, wmidatasource, snmpperformance(simple) zenpacks and the machine we are trying to monitor is running Windows XP. We have tried to model the device and everything seems to run and we've tride to add data points to graphs but the only options we recieve for graphs are CPU and Memory. We are able to monitor services, ZenOSS recognizes the make and model of the processor, RAM, and Harddrive and is even giving us metrics on available storage but again, we are looking for performance metrics such as CPU load and Memory utilization. I realize I probably didn't provide a lot of information but that is because we don't have a very good idea of what we are doing and can't find instruction either on the ZenOSS homepage or forums to monitor CPU load. If someone could give us step by step instruction on how to set up CPU load monitoring that would probably be more beneficial to us than a diagnostic of our current setup, but regardless, if I left any important information out and you need it to answer the question, please let me know. Thank you.

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• NIC reordering on RHEL5/CentOS 5

  - by ewwhite

  I have an HP ProLiant DL360 G6 containing two onboard NICs as well as an HP NC375T (NetXen NX3031 chipset) 4-port PCIe card. The system was running with eth0 and eth1 belonging to the onboard NICs and eth2-eth5 on the NetXen card. I recently rebuilt the server and from the kickstart process onward, the NICs were reordered such that the onboard NICs became eth4 and eth5, while the NetXen card took over eth0-eth3. I've had some experiences in the past where I tied NICs to specific interfaces via changes in the ifcfg-ethX config files, but this is the first time I've ever seen an add-in card take over eth0 from the motherboard's interfaces. This impacted my kickstart scripts, so: 1). How can I ensure that the onboard NICs take precedence in the kickstart arrangement. 2). What is the most consistent way to maintain that ordering through repeated reboots, kernel changes (e.g. going from a RHEL mainline kernel to a RHEL MRG realtime kernel), etc. 3). What is the interaction between the /etc/modprobe.conf module/NIC definitions, the /etc/sysconfig/network-scripts/ifcfg-ethX and the /etc/modprobe.d/blacklist functions in this context?

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• How is it possible that I can do a host lookup but not a curl?

  - by Daniel Quinn

  Has anyone ever seen this before? Note that this happens not only with google.com, but with every domain I try. It's a wireless connection (WEP), but I'm not sure how that would be relevant: $ curl -v google.com # This takes about 60s to return * getaddrinfo(3) failed for google.com:80 * Couldn't resolve host 'google.com' * Closing connection #0 curl: (6) Couldn't resolve host 'google.com' $ host google.com google.com has address 209.85.148.106 google.com has address 209.85.148.147 google.com has address 209.85.148.99 google.com has address 209.85.148.103 google.com has address 209.85.148.104 google.com has address 209.85.148.105 google.com mail is handled by 30 alt2.aspmx.l.google.com. google.com mail is handled by 40 alt3.aspmx.l.google.com. google.com mail is handled by 50 alt4.aspmx.l.google.com. google.com mail is handled by 10 aspmx.l.google.com. google.com mail is handled by 20 alt1.aspmx.l.google.com. $ cat /etc/resolv.conf # Generated by NetworkManager nameserver 192.168.1.201 $ cat /etc/hosts 127.0.0.1 localhost ::1 localhost $ netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 wlan0 127.0.0.0 127.0.0.1 255.0.0.0 UG 0 0 0 lo 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0

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• h264 inside FLV container vs. MP4 container?

  - by Gotys

  I am developing a tube site, and currently having issues with h264 format . By looking at youtube, I noticed they are putting their hi-def videos into mp4 container, so logically I did the same. Next, I installed mod_h264_streaming for lighttpd to make streaming and timeline-scrubbing work. Problem is, that large files (500mb+ at somewhat high resolution) take for EVER to even start buffering ( I read the flowplayer or other flash players need to download metadata first) . I moved the xmov atom to the front of the file with MP4Box (i tried qt-quickstart too) , and the problem didn't go away. Next I read online I need to interleave audio tracks, so I did that too. No change in slowness. So I tried putting the same exact h264 movie into an FLV container, and the playback buffering starts almost instantly - no slowness. So what am I missing here? Why would I choose MP4 container with mod_264_streaming module , which seems super-slow over a regular FLV container with lighttpd's built-in mod_flv_streaming ? Obviously many websites pick mp4 container , but I fail to understand why ? And as a side question - I tried using HTML5's VIDEO tag to try the same h264 MP4 movie, and the scrubbing is LIGHTING FAST! I looked into lighttpd's log file, and i noticed taht Flash Players append video.mp4?start=234 each time timeline is scrubbed, wheres HTML5's video tag does no such thing . Is this some sort of limitations of Flash ? Why Can't flash streaming be same fast as HTML5 streaming? Thanks to ALL who can help. I very much appreciate this community.

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• Isolate clients on same subnet?

  - by stefan.at.wpf

  Given n (e.g. 200) clients in a /24 subnet and the following network structure: client 1 \ . \ . switch -- firewall . / client n / (in words: all clients connected to one switch and the switch connected to the firewall) Now by default, e.g. client 1 and client n can communicate directly using the switch, without any packets ever arriving the firewall. Therefore none of those packets could be filtered. However I would like to filter the packets between the clients, therefore I want to disallow any direct communication between the clients. I know this is possible using vlans, but then - according to my understanding - I would have to put all clients in their own network. However I don't even have that much IP addresses: I have about 200 clients, only a /24 subnet and all clients shall have public ip addresses, therefore I can't just create a private network for each of them (well, maybe using some NAT, but I'd like to avoid that). So, is there any way to tell the switch: Forward all packets to the firewall, don't allow direct communication between clients? Thanks for any hint!

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• Why is a SUBST'd drive inaccessible via shortcut or Run menu, but works fine from My Computer?

  - by Kev

  I have shortcuts to C:, D:, and E: in my quick launch bar. C and E work fine when I click on them, but D does nothing (that I can see) when I click on it. D and E are both SUBST'd drives pointing to folders that happen to be network shares. (I do this rather than mapping them so it doesn't have to go through the network layer--that way it works faster and I still get recycle bin functionality, etc.) If I go Start-Run and type D: or D:\, I get an error box saying This file does not have a program associated with it for performing this action. Create an association in the Folder Options control panel. If I go to My Computer and double-click the D drive, it comes up fine. Also, if I type \\servername\sharename pointing to the same place, it comes up fine. This just started happening this morning, out of the blue. It has been working fine ever since I set it up. Why might this be?

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• Best practices for thin-provisioning Linux servers (on VMware)

  - by nbr

  I have a setup of about 20 Linux machines, each with about 30-150 gigabytes of customer data. Probably the size of data will grow significantly faster on some machines than others. These are virtual machines on a VMware vSphere cluster. The disk images are stored on a SAN system. I'm trying to find a solution that would use disk space sparingly, while still allowing for easy growing of individual machines. In theory, I would just create big disks for each machine and use thin provisioning. Each disk would grow as needed. However, it seems that a 500 GB ext3 filesystem with only 50 GB of data and quite a low number of writes still easily grows the disk image to eg. 250 GB over time. Or maybe I'm doing something wrong here? (I was surprised how little I found on the subject with Google. BTW, there's even no thin-provisioning tag on serverfault.com.) Currently I'm planning to create big, thin-provisioned disks - but with a small LVM volume on them. For example: a 100 GB volume on a 500 GB disk. That way I could more easily grow the LVM volume and the filesystem size as needed, even online. Now for the actual question: Are there better ways to do this? (that is, to grow data size as needed without downtime.) Possible solutions include: Using a thin-provisioning friendly filesystem that tries to occupy the same spots over and over again, thus not growing the image size. Finding an easy method of reclaiming free space on the partition (re-thinning?) Something else? A bonus question: If I go with my current plan, would you recommend creating partitions on the disks (pvcreate /dev/sdX1 vs pvcreate /dev/sdX)? I think it's against conventions to use raw disks without partitions, but it would make it a bit easier to grow the disks, if that is ever needed. This is all just a matter of taste, right?

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• adding a custom user folder on Ubuntu

  - by Narcolapser

  Question: How do you add a custom folder to the collection of user folders that come with Ubuntu? Info: I just loaded my netbook with Ubuntu Desktop 10.04LTS (Desktop because it is an aspire one and the Apocalypse seems to follow when ever i try to install netbook remix onto it). It comes with standard folders like Documents, Music, Pictures, Downloads(though this one doesn't appear until you actually download something), Videos, etc etc. These are handly little folders because they have little symbols on them and are nicely located in my file browser. it is basically like the folder lay out the windows had in vista. I do a lot of little programing on this computer so i have a folder in which i keep all these single kb code files. Obviously named "Code" that I keep in my home folder. But I would really like to it over listed next to my other user folders. In summary, how do you add a folder to the listing on the file browser. And, if possible, how do you give it an icon? (I understand fully that I will probably have to make said Icon) those two things are what I'm seeking to do. ~n P.s. please correct me if I'm using the wrong name. I just guessed and called them "User Folders" because they were folders the user uses. made sense. but if they have another name like "libraries" please say so. Thanks

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• nginx: dump HTTP requests for debugging

  - by Alexander Gladysh

  Ubuntu 10.04.2 nginx 0.7.65 I see some weird HTTP requests coming to my nginx server. To better understand what is going on, I want to dump whole HTTP request data for such queries. (I.e. dump all request headers and body somewhere I can read them.) Can I do this with nginx? Alternatively, is there some HTTP server that allows me to do this out of the box, to which I can proxy these requests by the means of nginx? Update: Note that this box has a bunch of normal traffic, and I would like to avoid capturing all of it on low level (say, with tcpdump) and filtering it out later. I think it would be much easier to filter good traffic first in a rewrite rule (fortunately I can write one quite easily in this case), and then deal with bogus traffic only. And I do not want to channel bogus traffic to another box just to be able to capture it there with tcpdump. Update 2: To give a bit more details, bogus request have parameter named (say) foo in their GET query (the value of the parameter can differ). Good requests are guaranteed not to have this parameter ever. If I can filter by this in tcpdump or ngrep somehow — no problem, I'll use these.

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• Enterprise class storage best practices

  - by churnd

  One thing that has always perplexed me is storage best practices. Filesystems brag about how they can be petabytes or exabytes in size. Yet, I do not know many sysadmins who are willing to let a single volume grow over several terrabytes. I do know the primary reason behind this is how long it would take to rebuild the array should a drive fail. The more drives in a single LUN, the longer this takes and the greater your risk of losing another drive while the rebuild is taking place. Then there's usage reasons. Admins will carve out a LUN based on how much space they think needs to be allocated to the project. It seems more practical to me for the LUN to be one large array and to use quotas. I understand this wouldn't satisfy every requirement (iSCSI), but I see a lot of NAS systems (NFS) managed this way. I also understand that the underlying volumes can be grown/shrunk as needed quite easily, but wouldn't it be less "risky" to use quotas rather than manipulating volumes and bringing possible data loss into the equation? There may be some other reasons I'm missing, so please enlighten me. Can we not expect filesystems to ever be so large? Are we waiting for the hardware to get faster to cut down on rebuild times?

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• Software to monitor bill payment to mission critical IT service providers (ISP, DNS etc.)

  - by Sholom

  Hi All, The Problem: Our very likable but absent minded bookkeeper keeps neglecting to pay our IT vendors on time. Just this past week our internet service was disconnected. Same could happen to many other mission critical accounts (domain registrar, backup MX, anti-virus license, HackerSafe (McAfee secure) service and even an 800 number to name a few). As the sysadmin, i monitor my severs to make sure they are plugged into the power-outlet. I believe i should also monitor my services to make sure they are plugged in to their money-outlet. To compound the problem, when the power goes out someone else will likely notice and notify me. But if a bill is not payed, no one will ever notice until service is lost. Lost as in losing our domain name which would cause a lot more damage then the power failing on our server. [Solution] = [Doesn't work because]: Retrain the bookkeeper = Wishful thinking. Notify my manager = Already have (via email). Protects me, does not solve problem. Fire bookkeeper = What makes you so sure the next one will never forget? Bottom line: Humans are humans and sooner or later something critical will be royally messed up. We need to partner with a machine to help us out here. Anybody have the same problem? What software/solution do you use? I would like software that emails me when a bill is passed due just like i get an email when the power outlet fails. Anyone hear of anything like that? Thanks

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