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• USB keyboard stopped working in Ubuntu with error -71

  - by tapan

  I have a usb keyboard which was working perfectly till now (about a year since i have been regularly using ubuntu). It suddenly stopped working. It stopped working when I connected a USB HDD. Now the keyboard works randomly .. working for a while and then stops working for a longer time. Here is the dmesg output : [ 705.817076] usb 5-1: device not accepting address 8, error -71 [ 705.928032] usb 5-1: new low speed USB device using uhci_hcd and address 9 [ 706.336060] usb 5-1: device not accepting address 9, error -71 [ 706.448055] usb 5-1: new low speed USB device using uhci_hcd and address 10 [ 706.568044] usb 5-1: device descriptor read/64, error -71 [ 706.792049] usb 5-1: device descriptor read/64, error -71 [ 707.008060] usb 5-1: new low speed USB device using uhci_hcd and address 11 [ 707.128041] usb 5-1: device descriptor read/64, error -71 [ 707.352052] usb 5-1: device descriptor read/64, error -71 [ 707.456068] hub 5-0:1.0: unable to enumerate USB device on port 1 Based on the suggestions here i tried the following two things: echo -1 > /sys/module/usbcore/parameters/autosuspend echo Y > /sys/module/usbcore/parameters/old_scheme_first However, i am still facing the same problem. Can anyone help me out with this ? I'm using Ubuntu 10.04 Lucid Lynx.

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• How can a Postfix/Dovecot(ssl)/Apache/Roundcube(non-ssl) setup leak email addresses?

  - by Jens Björnhager

  I have a linux box email server with Postfix as the MTA, Dovecot as the IMAP server and Apache with Roundcube as webmail. In my /etc/postfix/aliases I have just above a hundred different aliases which makes as many email addresses on my domain. I use one address per website so I easily can shut down spam infested addresses. During the half a year or so that I have had this setup, I have received 3 spam from 2 sources. As I know exactly where I entered this address, it should be easy to pinpoint email leaking websites and services. However, these sources are, according to me, not likely email sellers. And for one of them to sell my email twice? I contacted one of the sources and they are adamant that their system is tight. They suggested the possibility that it is my server that is doing the leaking. So, my question is: How likely is it that my box is leaking email addresses, and how? I don't store fully qualified email addresses anywhere in my system except in my maildir. I use SSL connection to IMAP I do not use https on webmail

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• periodically unable to play media

  - by avorum

  So I don't know if this is right place to ask this at all but I've gotten good help here before so I thought I'd ask. For the last year or so periodically my computer would start refusing to play media. In browser players would say they were playing but they weren't. No audio and the video wasn't moving forward although it would show the first frame of the video to be shown. iTunes would act similarly, thinking it was playing without actually playing any music. This persists across browsers, various application categories, etcetera. It can often be fixed by rebooting but it is only a short term solution. Does anyone know of anything that might cause this erratic behavior? I'm using Windows 7 64bit. If additional information would help please ask. Alternatively, if this isn't the right site for this I would greatly appreciate some direction to a site better suited to my question. Thanks in advance for any help.

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• Removing SCIM input method as default from gnome terminal

  - by Mark

  Hello - I am recently back into the Linux world after about a 10 year absence. While I can find my way around most things, terminals and desktop managers are different than I remember. One of the biggest problems that I am encountering today is that when running a gnome terminal (this is Suse 10.0 enterprise), I'm getting behavior in the window that I don't want. Specifically, when I type, my typing is underlined as if something is trying to spell check my window. Further, it seems as if when running vi or less, my keystrokes are only processed by these apps when I hit 'return'. I.e. if I'm running less and want to go back a page, I'll hit b, but nothing happens until I hit 'return'. I seem to have tracked this down to the 'input method". Right clicking in the Gnome terminal allows me to set my input method to one of a dozen values. It seems that currently, it's set to "SCIM Input Method". If I then select 'default' or 'X Input Method', apps (i.e. things like less, vi, and even the bash shell) behave as I would expect. Can someone tell me a) what is this SCIM input method b) how can I make it so that it is not the default? I've poked around various configuration files in my home directory as well as in /etc, but I can't see to find how this is set. I guess as a final question, can I just get rid of SCIM? Or is that tied into the window manager somehow? I do appreciate any clarifications that I can get. Thanks.

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• Should I enabled 802.3x hardware flow control?

  - by Stu Thompson

  What is the conventional wisdom regarding 802.3x flow control? I'm setting up a network at a new colo and am wondering if I should be enabling it or not. My oh-cool-a-bright-and-shiny-new-toy self wants to enable it, but this seems like one of those decisions that could blow up in my face later on. My network: An HP ProCurve 2510G-24 switch A pair of Debian 5 HP DL380 G5's with built-in NC373i 2-port NIC LACP'd as one link. 9000 jumbo frames enabled. (Application) A pair of hand-built Ubuntu server with 4-port Intel Pro/1000 LACP'd as one link. 9000 jumbo frames enabled. (NAS) A few other servers with with single 1Gbps ports, but one with 100Mbps. Most of this kit is 802.3x. I've been enabling it as I go along, and am about to test the network. But as my 'go live' day nears, I am worried about the 802.3x decision as I've never explicitly used it before. Also, I've read some 10-year old articles out there on the Intertubes that warn against using flow control. Should I be enabling 802.3x hardware flow control?

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• How do I troubleshoot a slow hard drive?

  - by Bruce Connor

  My computer is suffering of slow-downs and I'm not surprised (it's around 6 years old). Here's what I've verified: They are not very frequent (only a couple of times a day). When they happen a single application will hang for 10-60 seconds, while the rest don't hang but also get slow. Even as it is happening, the CPU usage stays low. It happens to applications (such as text editor, firefox, skype). It never happens to some applications (such as games) which I use for hours under heavy CPU load. Also of note: The Graphics card and PSU are new (around a year). Though I have a decent amount of software installed right now, this was happening even right after I reinstalled Windows. This HDD has been through many partinioning schemes, and a few heavy operations (such as moving around 200GB of data). Because of the above, I am already 70% sure the problem is with the hard drive. Before I replace it, however, I want to rule out other less likely possibilities (such as RAM, software, or PSU). I don't have the money to replace the entire box right now, but I can easily replace one of the components. I've read several questions (such as this one) which give general guidance on troubleshooting an unknown issue, that is not what I'm looking for here. My main question is: What tests or benchmarks can I run to verify I have a problematic hard drive? I don't need to solve this problem, I am content with just making sure it's the hard drive. I could borrow a newer hard drive from a friend and see if it gets better. A positive result would rule out all other components, but it wouldn't rule out a software issue (since this new hard drive won't have any of the software I use daily). Running on Windows/Linux.

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• Why does my Internet slow to a crawl unless I reboot my router every few days?

  - by Lord Torgamus

  A few weeks ago, I noticed that my Internet connection had slowed down to a crawl. I waited a few days hoping it would go away on its own, but it didn't get better. So I asked this question about how to make it faster. The problem went away after I updated to the latest firmware, so I didn't follow up too carefully. But every few days since then, my Internet has slowed down again. Unlike before, all I have to do to fix it is open the router administration page and press the "Reboot" button. Nothing else seems to work, though I'm sure there are options I haven't tried. If it makes a difference, my girlfriend and I both transfer large amounts of data fairly routinely for school (videoconferencing, downloading entire recorded lectures). The router is a Cisco/Linksys 160N V3 that's about a year old. Most of the time, it deals with just two standard Windows 7 laptops. The only thing I came across while searching for answers/dupes was this question, which seems similar superficially, but probably doesn't have the same root issue. Anyways, it's not resolved. What could be causing these slowdowns, and how can I get rid of them?

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• Why are snapshots considered as temporary backups not real backups?

  - by Samselvaprabu

  I am using VMware ESXi. In our team we use to provide snapshots for long term backup. Then we faced issues like memory spillover and the server got hang up. I started reading in VMware knowledgebase articles and everywhere. Everywhere it was recommended not to have snapshots for a long time. Even VMware advised to keep snapshots for maximum of three days. But our team kept asking us to have at least two permanent snapshots (till deleting the VM). Sometimes we may use the VM for a year). one snapshot is for fresh machine state. (So when we complete testing an application, we will revert back to fresh state and install another application) (If I did not allow that, I may often need to host the VM.) Next snapshot for keeping the VM in some state (maybe they would have found an issue and keep that state for some time. Or they may install prerequisites for the application and keep the machine ready for testing.) Logically, their needs seems to be fair. But if I allow that, I am to permit them to hold the snapshots for long time. We are not using our VM as a mail server or database server. Why is keeping snapshots for long time having an adverse effect? Why are snapshots considered as temporary backups, not real backups?

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• Does any economically-feasible publicly available software compare audio files to determine if they are dupes?

  - by drachenstern

  In the vein of this question http://unix.stackexchange.com/questions/3037/is-there-an-easy-way-to-replace-duplicate-files-with-hardlinks is there any software that will automatically parse a library of my songs and find the ones that really are duplicates that one can be eliminated? Here's an example: My brother used to be a huge fan of remixing CDs. He would take all of his favorite tracks and put them on one. Then he would use my computer to read them in. So now I have like 6 copies of Californication on my HDD, and they're all a few bytes difference overall. I have hundreds of songs in my library like this. I want to trim them down to having uniques. They don't all have correct ID3 tags, so figuring out that Untitled(74).mp3 is the same as californication.mp3 is the same as whowrotethis.mp3 is tricky. I do NOT want to consider a concert album and a studio album rip to be the same (if I just did artist/title matching I would end up with this scenario, which doesn't work for me). I use Windows (pick your platform) and will be getting an OSX box later in the year. I'll run Linux if that's what it takes to get it organized. I have unprotected AAC and mp3 files. Bonus points for messing with WAV or MIDI and bonus points for converting from those into MP3 (I can always use Audacity and LAME to convert later if I know they match or to convert ahead of time if that will make things easier). Are there any suggestions, or do I need to goto Programmers or SO and build a list of requirements for comparing these things and write the software myself?

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• What service do you use for music on hold?

  - by Russ Warren

  This may not be a sysadmin question for some, but it is definitely a hurdle I have to jump as the sysadmin for my company. We recently rolled-out a company wide VoiP system (Switchvox, to be exact) that has come preloaded with some royalty-free music on hold. Our customers have been complaining that the music on hold sounds like "funeral music." This may be the case (although I wouldn't want it played at my funeral), but it is all we have and we aren't willing to be sued over using music that isn't properly licensed. So, that brings me to the question asked in the title -- what and/or how do you provide decent music on hold? I'm assuming many people here use a PBX that allows customized music, so this has to apply to many of you. We've been looking at some sites that allow you to download royalty-free music for a one-time fee, but the music seems...lame. Something like a one-year subscription from ibaudio.com seems to be the best bet so far. Have you been able to discover something a little more mainstream for a decent licensing fee? Thank you. EDIT: Our PBX allows the playback of MP3 and OGG files, but does not allow streaming of a live audio source, Internet-based or otherwise. It also does not allow the use of a "line-in" source such as a CD player or radio. Don't let this stop you from sharing your setup, though. I'm interested in hearing what everyone uses!

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• Intel Atom overheating in ASUS EEE Box 1501P

  - by Sergey L.

  I have had an ASUS EEE Box 1501P for just a little bit over a year. Of course it breaks 2 months after the warranty runs out. http://www.asus.com/Eee/EeeBox_PC/EeeBox_PC_EB1501P/ I have been using the box as a Home Media Center. Running mostly 24/7 often pausing a video overnight. Since last week the fan started running extremely loud. After some digging I found that the Intel Atom CPU in it is overheating and the built-in sensor is reporting temperatures way over 105°C. This got me worried, so I took the unit apart. Completely vacuumed the heat sink, oiled the fan, but the unit is still showing the same behaviour. After turning it on and just observing the hardware monitor in the BIOS the temperature slowly rises from 40°C to over 95°C in appx 5 min. I am running the newest BIOS and a lightweight Linux OPENELEC OS with XBMC on it. Now I am wondering if it could be a faulty heat sensor in the Atom. Recommended running temperature is up to 85°C, but I have not detected any performance hits when running at the above mentioned 105°C and there seem to be no software faults. How can an Atom with an attached heat sink and a fan running at full capacity even get this hot in the first place at 0 load? Aren't those things designed to generate virtually no heat? Could it be a faulty heat sensor? What shall I try to fix this? I would prefer not to damage the CPU, since it is hard fused into the motherboard and cannot be replaced. I could remove the heat pipe/heat sink, but it is getting hot, so heat is properly transferring from the CPU to the heat pipe, the fan is running at full capacity, is recently oiled and warm air is making it out of the exhaust. Edit: One more note: The North-bridge (or whatever it is called nowadays) is on the same heat pipe.

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• Search for files after a relative date using Windows search

  - by Zoredache

  I am looking for a way to save a search that includes a relative date. Specifically I am looking for a way to save a search that matches files that have a modification date that is 7 days ago. I have read the Windows Search Advanced Query Syntax document and I am not seeing a way to say 7 days ago. The numbers and ranges section does mention that relative dates are possible. The problem is that the relative dates described there do not fit the criteria I need. The lastweek almost looks like what I want except if I run a query like after:lastweek on a Monday it will only show my file that have been modified since Sunday at 12:00. The lastweek/lastmonth seem to relative to the start of the week/month which is not what I need. Multi-word relative dates: week, next month, last week, past month, or coming year. The values can also be entered contracted, as follows: thisweek, nextmonth, lastweek, pastmonth, comingyear. One nice thing about saved searches is that they are stored as an XML document and the file format is documented. I am not seeing how to form a correct value for a datetime. If I was able to understand this format, I suspect I could use a text editor and created a saved search that does what I want. Fragment from the examples: <conditions> <condition type="leafCondition" valuetype="System.StructuredQueryType.DateTime" property="System.DateModified" operator="imp" value="R00UUUUUUUUZZXD-30NU" propertyType="wstr" /> </conditions> To summarize I am looking for an answer to one or both of these questions How do I make a query for '7 days ago' using the standard syntax? How is the DateTime stored in a saved search?

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• Terminating multi-mode fiber

  - by murisonc

  I'm looking at the feasibility of terminating multi-mode fiber connections ourselves. We would be using LC connectors. I've done some research and found two different methods. One requires polishing the ends and using epoxy while the other doesn't. I like the idea of not having to polish the ends but there doesn't seem to be much information on quality or ease of use. I've found two vendors (3M and Corning) that offer kits for terminating fiber without polishing or using epoxy. Does anyone have any experience with both methods that can offer some advice? Copper is easy but fiber seems to be a whole different animal. EDIT: After looking into fusion splicing suggested in the answer I've determined it's not for us. It's my understanding that is primarily used for outside plant and is better suited for single mode fiber. It's a good answer but doesn't address the question directly. Some more information about our situation. We will only be terminating multi-mode fiber inside a building and only doing between 4 and 20 pair a year. Hiring an outside person won't work due to our location. There are currently a couple people on-site that can terminate fiber (working for another company and charging large fees) but they can only do ST and SC connectors and we only use LC. So once again does anyone have experience with terminating using both epoxy type connectors and the other type (similar to Corning Unicam)?

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• Picking a linux compatible motherboard

  - by Chris

  Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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• Any way to bring my laptop battery back to life?

  - by Josh

  Recently my laptop battery will get extremely hot (definitely hotter than it should get) when I charge it. After that I usually end up removing it once it's fully charged to let it cool down, which takes a couple hours... Question is, is my battery dead? My last battery I had that died just ended up lasting 2 - 3 minutes on battery, no weird heat issues. And is there any way to possibly fix this? Probably not but I won't be able to get a replacement anytime soon. UPDATE: A few days ago when this happened and it cooled down, assuming it was fully charged, I ran my laptop on battery, and the battery life lasted about 10 minutes and then the laptop shutdown. I then plugged it in later and charged it back up, and for a while I had a orange light blinking on my laptop - which I assumed meant the battery was dead, especially since I got 10 minutes battery life. Then today, I turned my laptop on and was surprised to see that the battery was at 20% and charging (it's been plugged in since the incident above, so it should have been fully charged when I shut it off) I let it charge up, and as usual it got pretty hot around the time it was fully charged. So I turned my laptop off and pulled the battery out to let it cool down Now the thing is, just now I tried running it on battery, and it's been going for an hour now... so maybe its not dead? (also the orange light is no longer blinking...) Thanks in advance if anyone knows whats going on, and how to fix it, if its fixable =] EDIT: Some info if it helps... my laptop is about 2 years ago, and it's an Asus K50ID. I know laptop batteries usually don't last more than a year but I'm trying to keep this one going for as long as I can.

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• VMware Workstation reboot 32-bit host when starting 64-bit guest

  - by Powerman

  I'm trying to start 64-bit guest (MacOSX and Windows7) on 32-bit host (Hardened Gentoo Linux, kernel 2.6.28-hardened-r9) using VMware Workstation (6.5.3.185404 and 7.0.1.227600). If VT-X disabled in BIOS, VMware refuse to start 64-bit guest (as expected). If VT-X enabled in BIOS, VMware start guest without complaining, but then, in about a second (I suppose as soon as guest try to switch on 64-bit) my host reboots (actually, it's more like reset - normal reboot procedure skipped and BIOS POST start immediately). My hardware is Core 2 Duo 6600 on ASUS P5B-Deluxe with latest stable BIOS 1101. I've power-cycled system, then enabled Vanderpool in BIOS. My CPU doesn't support Trusted Execution Technology, and there no way to disable it in BIOS. I've rebooted several times after that, sometimes with power-cycled, and ensure Vandertool is enabled in BIOS. I've also run VMware-guest64check-5.5.0-18463 tool, and it report "This host is capable of running a 64-bit guest operating system under this VMware product.". About a year ago I tried to disable hardened in kernel to ensure this isn't because of PaX/GrSecurity, but that doesn't help. I have not checked 32-bit guests with VT-X enabled yet, but without VT-X they works ok. ASUS provide "beta" BIOS updates, but according to their descriptions these updates doesn't fix this issue, so I'm not sure is it good idea to try it. My best guess now it's motherboard/BIOS bug. Any ideas?

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• Checksum for Protecting Read-Only Documents

  - by Kim

  My father owns a small business and has to hand over several year's worth of financial documents to his insurance's auditor. He's asked me to go through and make sure everything is "read-only" so the data (the files) absolutely, positively cannot be modified or manipulated (he's a bit paranoid). We're talking about 20,000 documents (emails, spreadsheets, etc.). My first inclination was to place everything inside of one root folder ("mydadsdocs/") and then write a script that recursively traversed its directory subtree and set the file permissions to read-only. But then I got to thinking: that's a lot of work for me to do to satisfy an old man who is just being paranoid, and afterall, if someone really wanted to modify a read-only file, it would be pretty easy to change file permissions anyways, soo.... Is there like a checksum I could run on the root folder, something that was very quick and easy, and that would basically "stamp" the data in that folder so if someone did change it, my father would have someone of knowing/proving it? If so, how? If not, any other recommendations that are quick, cheap (free) and effective?

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• Ungrounded laptop (Macbook Pro) buzzes in headphones, weird feeling when fingers brush lightly

  - by donut

  I've got a nearly 3-year-old MacBook Pro 15" 2.16GHz (MacBookPro2,2). When I have am not using the extended, grounded adapter for the power supply, just using the simple, two-prong plug I can hear a buzzing when I use very sensitive earbuds. This goes away if I touch a metal part of the laptop. Also, I can feel a weird, fuzzy feeling when I brush the metal parts of the laptop lightly with my fingers/skin. Somewhat similar to feeling of a touching hair or a balloon that's charged with static electricity. But I'm not getting sparks or anything. And if I'm touching a metal part of my laptop solidly (not just brushing it) and then I touch someone else's skin I can feel the same effect and so can my victim. I've noticed similar effects with an ungrounded electric blanket. But with that the buzzing can be easily heard without headphones. Is this a defect, normal, or something else? And what exactly is happening?

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• Mac WLAN 802.11b+g WPA1 connection issues

  - by Peto

  Hi, I have a Telewell TW-EA510v4 ADSL modem+WLAN router configured as follows: Mode: 802.11b+g Security Mode: WPA1 Pre-shared Key WPA Algorithms: TKIP Connections from only certain MAC addresses have been allowed and the MAC address of my Mac is in that list. The WLAN works just fine with iPhone and an old Acer laptop. It has worked for about two months or so with my MacBook Pro (year and a half or so old model). Ocassionally i've had minor problems with it, which have required either reboot of ADSL modem or reboot of my Mac. However now, for the last week or so I haven't been able to connect to it at all. This is what is what i get in the console when i try to connect: 5.5.2010 20.54.53 airportd[73731] Apple80211Associate() failed -3924 (Invalid PMK) 5.5.2010 20.54.53 Apple80211 framework[584] airportd MIG failed (Associate Event) = -3924 (Invalid PMK) (port = 104599) 5.5.2010 20.54.53 SystemUIServer[584] Error joining WLAN-M: Invalid password (-3924 Invalid master key) The pre-shared key I use is not incorrect. I'm 100% sure of that. The Error Log from the router only says this when I try to connect to it: May 05 21:09:54 home.gateway:i802_1x:none: <my mac address> associated May 05 21:10:00 home.gateway:i802_1x:none: <my mac address> disassociated May 05 21:10:01 home.gateway:i802_1x:none: <my mac address> disassociated Any ideas or tips to troubleshoot this further?

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• Ctrl + 1 and Ctrl + 2 key combinations don't work

  - by musicfreak

  I noticed back in August (when I got StarCraft 2) that the key combinations Ctrl + 1 and Ctrl + 2 didn't work. I thought this was weird because Ctrl + 3 and all the other combinations worked fine (including Shift + 1, etc), so I didn't think much of it; I just shrugged it off as a SC2 bug. Now, 4 months later, I decided to play a completely unrelated game--Dawn of War 2--and noticed the same thing: those two specific key combinations don't work. To make sure I wasn't going insane, I tried it in Chrome and a couple other applications, and alas, it didn't work. I remember playing strategy games over the summer before StarCraft 2 and it worked fine. Any idea as to what went wrong? My keyboard, a Microsoft Wireless Keyboard 1000 (I know, insert Microsoft joke here), is a little over a year old, so I'm going to assume it's not dying until proven otherwise. Things I've tried ActiveHotkeys says the key combination is not a global hotkey. Tried another keyboard--still doesn't work. The key combinations do work in a virtual machine (tried with both Windows and Ubuntu as guests).

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• How do you handle data archiving?

  - by 20th Century Boy

  Backups are one thing, but long term archival is another. For example, you might be required to store emails for 7 years, or keep all project data indefinitely. I used to save archives to tape, but then I've had tapes get destroyed (drives rip the tape out). So...write to 2 tapes I hear you say. Is that what others do? Have 2 (or more) tapes of the same data for redundancy? But then the other issue is that tapes cannot usually be read by different backup software vendors. Eg if you go from Arcserve - Backup Exec - Commvault over 10 years you would need to keep all 3 systems so that you could restore old data. Likewise for hardware. Old tapes might not be barcoded. Might not be compatible with the new library etc etc. So do you keep old tape hardware AND old software just in case you might need to restore a 10 year-old file? Or...when you move to a new backup system do you migrate all archived data to the new system and re-archive it onto new tapes? That could be a huge job. Any thoughts?

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• Virtualmin & git integration

  - by weby3456

  I've installed virtualmin on my VPS to manage my websites. It's working perfect and as expected nearly a year now. Recently I wanted to add some features to one of my sites, and I need git integration. I've correctly installed git & gitweb on my server, and I can create repositories and watch them under http://sub.domain.com/git/gitweb.cgi Here is the current relevant directory tree: /home/user/domains/sub.domain.com/public_html/git/ drwxr-sr-x user user . drwxr-x--- user user .. -rw-r--r-- user user git-favicon.png -rw-r--r-- user user git-logo.png -rwxr-xr-x user user gitweb.cgi -rw-r--r-- user user gitweb.css drwxrwx--- apache user reponame.git /home/user/domains/sub.domain.com/public_html/git/reponame.git/ drwxrwx--- apache user . drwxr-sr-x user user .. drwxrwx--- apache user branches -rwxrwx--- apache user config -rwxrwx--- user user description -rwxrwx--- apache user HEAD drwxrwx--- apache user hooks drwxrwx--- apache user info drwxrwx--- apache user objects drwxrwx--- apache user refs But I have some questions: When I'm visiting http://sub.domain.com/git/gitweb.cgi, the owner is listed as 'Apache'. why? how can I change that? Usually, to create a new git repository, I'll do something like: $ mkdir proj $ cd proj $ git init Initialized empty Git repository in /home/user/proj/.git/ // here I'm creating the files or copy them from somewhere else $ git add *.php $ git add README $ git commit -m 'initial version' But after creating the repository in virtualmin, I can find a new dir named 'reponame.git' but not the '.git' dir. When I'm trying to run any git command (e.g. git status) I'm receiving "fatal: This operation must be run in a work tree". How can I work with that repository? Currently I need to explicitly grant access for users to be able to view the repositories via gitweb. How can I make certain repositories public?

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• Lenvo B450 won't boot on battery only?

  - by Mywiki Witwiki

  We bought a Lenovo B450 laptop almost a year ago. It comes with a NVIDIA GEFORCE with CUDA graphics and so the battery life is terrible. It will only last 1:30 hours max. We try to run it on battery as much as possible but because the battery life is short sometimes we can't notice that the battery is so low until the computer blacks out. Because of the short battery life, the laptop is always plugged on AC power. One night the computer froze. Because it was already late, I just reset the laptop my pressing the power button for 10 seconds. The laptop shut off but I did not bother restarting it. The next morning, the laptop won't turn on on battery only. It will only turn on on AC power. The computer instantly shuts down(improperly) once the adapter is removed. But the battery was at 100% then. Now it is slowly losing charge (currently at 74%). The battery indicator says, "Plugged in, not charging". I want to bring the laptop to school but I can't because it won't be portable at all. Just to summarize it all: 1) The laptop suffered some blackouts already. 2) The laptop was on AC power most of the time. 3) When the computer froze, it was reset (hard shutdown). 4) The laptop won't boot with battery only since then. 5) The laptop will shutdown instantly when AC adapter is removed. 6) The battery won't charge and is gradually losing charge. ======================= UPDATE ============================= We got the battery replaced. Unfortunately, it delivers only 2 hours max of power.

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• Computer causing WiFi interference?

  - by Mannimarco

  I came back from college and brought my desktop computer. Family recently switched to Verizon FIOS and got a new router because of it. Unfortunately, my connection to the new wifi network is awful, with the download speeds (tested through speedtest.net) fluctuating wildly and often dropping below 1.5 Mbps. A laptop in the same room gets 20 Mbps. I've tried a new wireless card, thinking that mine got damaged in the move home but no luck. Here's where it gets weird: if I place the laptop near the computer, the laptop's download speeds often suffer greatly. Pulling the laptop away always fixes this. So now I'm under the impression that there's something in the computer (which I built a year ago and has had 0 issues up to this point) is causing an insane amount of wireless interference. Also bizarre: the upload speeds seem unaffected by this problem. On the laptop and desktop, upload speeds are generally around 5 Mpbs. Any ideas as to what could be causing this and how to test said theories would be fantastic.

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• Speeding up Outlook Express on Windows XP over satellite

  - by John

  My brother is in the field with Doctors Without Borders. I'm posting this question on his behalf. We use outlook express (on a pc running windows XP) and a 9600 baud dial up satellite phone modem to get our email direct from the server in Paris. As this is a very expensive way to communicate (our satellite bill is $50K a year, no joke), it seems like trying to streamline is a good idea. Here's the question- when we connect, the sequence goes: Send outbox mails. This goes pretty quickly, probably 10-15 seconds for each email, up to maybe a couple minutes for an email of 150k or so). The status bar moves pretty quickly, according to the emails sent. The system then says "Checking for new messages on (our account name), and "Receiving list of messages from server". This takes a long time. Like 10-15 minutes. The status bar crawls along. Then it receives the messages. "Receiving messages from server". Again, each message takes 10-15 seconds, and this part moves along reasonably fast. I'm curious as to what is going on in the second part. It takes forever, and doesn't seem to be part of the sending or receiving messages themselves. Is there a way to speed up the process by changing a preference with communicating with the server or something? Does anyone have any advice for him speeding up what Outlooks Express is doing? Obviously his software is ancient and adding more software is not realistic based on the connection speed. Thanks!

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