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• Exchange server intermittently not receiving or delivering emails to a few addresses?

  - by Gary Willoughby

  This is a strange problem. We are using an Exchange 2007 server to handle the emails to and from the company. There are two main problems which are probably related. None of our mails sent to one single customer are ever received. When we send any type of mail to one particular customer, they never get it. We have confirmed the address and tried to send more to other mail addresses on the same domain and they still don't receive it. No error (email or otherwise) is ever issued. (Domain related? Blacklisted?) Sometimes (intermittently) a mail sent to our company (can be any address on our domain) is never received. I tried this the other day from home and sent a mail to my work address. It was never received. But then a day later i sent another and it was received fine (so the mail address is fine). No error (email or otherwise) is ever issued. Any ideas where to start looking for causes?

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• How to populate RRD database with CPU and MEM usage data?

  - by Tomaszs

  I have a Lighttpd server (on Centos) and would like to display 4 graphs: lighttpd traffic, lighttpd requests per second, CPU usage and MEM usage. I've set place for rrd database for lighttpd config like this: rrdtool.binary = "/usr/bin/rrdtool" rrdtool.db-name = "/var/www/lighttpd.rrd" And put into my WWW cgi-bin sh file that gets data from lighttpd RRD file and creates graphs of traffic and requests per second like this: #!/bin/sh RRDTOOL=/usr/bin/rrdtool OUTDIR=//var/www/graphs INFILE=/var/www/lighttpd.rrd OUTPRE=lighttpd-traffic WIDTH=400 HEIGHT=100 DISP="-v bytes --title TrafficWebserver \ DEF:binraw=$INFILE:InOctets:AVERAGE \ DEF:binmaxraw=$INFILE:InOctets:MAX \ DEF:binminraw=$INFILE:InOctets:MIN \ DEF:bout=$INFILE:OutOctets:AVERAGE \ DEF:boutmax=$INFILE:OutOctets:MAX \ DEF:boutmin=$INFILE:OutOctets:MIN \ CDEF:bin=binraw,-1,* \ CDEF:binmax=binmaxraw,-1,* \ CDEF:binmin=binminraw,-1,* \ CDEF:binminmax=binmaxraw,binminraw,- \ CDEF:boutminmax=boutmax,boutmin,- \ AREA:binmin#ffffff: \ STACK:binmax#f00000: \ LINE1:binmin#a0a0a0: \ LINE1:binmax#a0a0a0: \ LINE2:bin#efb71d:incoming \ GPRINT:bin:MIN:%.2lf \ GPRINT:bin:AVERAGE:%.2lf \ GPRINT:bin:MAX:%.2lf \ AREA:boutmin#ffffff: \ STACK:boutminmax#00f000: \ LINE1:boutmin#a0a0a0: \ LINE1:boutmax#a0a0a0: \ LINE2:bout#a0a735:outgoing \ GPRINT:bout:MIN:%.2lf \ GPRINT:bout:AVERAGE:%.2lf \ GPRINT:bout:MAX:%.2lf \ " $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP -w $WIDTH -h $HEIGHT $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP -w $WIDTH -h $HEIGHT $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP -w $WIDTH -h $HEIGHT OUTPRE=lighttpd-requests DISP="-v req --title RequestsperSecond -u 1 \ DEF:req=$INFILE:Requests:AVERAGE \ DEF:reqmax=$INFILE:Requests:MAX \ DEF:reqmin=$INFILE:Requests:MIN \ CDEF:reqminmax=reqmax,reqmin,- \ AREA:reqmin#ffffff: \ STACK:reqminmax#00f000: \ LINE1:reqmin#a0a0a0: \ LINE1:reqmax#a0a0a0: \ LINE2:req#00a735:requests" $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP -w $WIDTH -h $HEIGHT $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP -w $WIDTH -h $HEIGHT $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP -w $WIDTH -h $HEIGHT Basically it's not my script, i get it from somewhere from the internet. Now i would like to do the same for CPU usage and MEM usage. I don't like to use any additional packages! As you can see lighttpd populates lighttpd.rrd file with traffic data and requests per second. Now i would like to the system to populate second rrd file with CPU and MEM usage, so i can add to sh file code to generate graphs for this data. How can I populate RRD file with CPU and MEM usage data? Please, NO THIRD-PARTY tools !

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• Google-Bot fell in love with my 404-page

  - by 32bitfloat

  Every day my access-log looks kind of this: 66.249.78.140 - - [21/Oct/2013:14:37:00 +0200] "GET /robots.txt HTTP/1.1" 200 112 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" 66.249.78.140 - - [21/Oct/2013:14:37:01 +0200] "GET /robots.txt HTTP/1.1" 200 112 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" 66.249.78.140 - - [21/Oct/2013:14:37:01 +0200] "GET /vuqffxiyupdh.html HTTP/1.1" 404 1189 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" or this 66.249.78.140 - - [20/Oct/2013:09:25:29 +0200] "GET /robots.txt HTTP/1.1" 200 112 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" 66.249.75.62 - - [20/Oct/2013:09:25:30 +0200] "GET /robots.txt HTTP/1.1" 200 112 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" 66.249.78.140 - - [20/Oct/2013:09:25:30 +0200] "GET /zjtrtxnsh.html HTTP/1.1" 404 1186 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" The bot calls the robots.txt twice and after that tries to access a file (zjtrtxnsh.html, vuqffxiyupdh.html, ...) which cannot exist and must return a 404 error. The same procedure every day, just the unexisting html-filename changes. The content of my robots.txt: User-agent: * Disallow: /backend Sitemap: http://mysitesname.de/sitemap.xml The sitemap.xml is readable and valid, so there seems to be no reason why the bot should want to force a 404-error. How should I interpret this behaviour? Does it point to a mistake I've done or should I ignore it?

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• Macs don't connect to wifi access point but PCs will

  - by Josh

  So, as a side project I'm going to try and figure out why the wifi APs in my building exhibit the following behavior: - They typically allow all types of computers to connect without issues - Sometimes Apples can't get an IP address but will still connect to the AP's signal - Less often, PCs can't connect to the wifi (same as above - yes signal, no IP addy) - Don't let Raiders fans on no matter the time of day! My first thought was that the DHCP leases were all taken up when the Apples would try to connect, and it was just their unlucky timing, but I would then try to log on with a PC that had a new, unleased MAC address and it would work... Could this be something to do with interoperability between an apple wifi card, and the APs? Different parts of the DHCP lease being taken up first? The fact that the Seattle Mariners might actually be good this year?? If this hasn't used up everyone's patience (with my crappy sports jokes), something else I could use some help with: - We don't have the model or type of AP - This is because there is no documentation available for them, and they literally look like small white boxes with no writing on them. Also, the company that installed them is out of business, so the situation might be that no docs will ever be on the way. -- Do you guys have any ideas on how to figure out what we have? Thanks as always for all the help, and I'm looking forward to the day when I know enough to start contributing back to the site, Josh

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• Home server hard drive: 186k start-stop cycles in 325 days?

  - by j-g-faustus

  I set up a home server about a year ago, using Ubuntu server (10.04 LTS at the moment), four disks in RAID 5 for storage (WD Green 1.5 TB) and a laptop drive for the OS. Today the output of smartctl, a command line utility for checking the SMART attributes of a hard drive, tells me that the primary OS drive has had no less than 186,000 start-stop cycles in 325 days and may be nearing the end of its lifespan. The smartctl output is in "normalized values", in this case a number between 200 and 000, where 200 is "brand new" and 000 means "worn out". My disk gets 001. So I wonder what happened: 186k start/stop cycles in 7820 hours is about one start/stop per 2.5 minutes around the clock. This seems somewhat excessive for a computer that sees actual use once or twice per day. (The RAID disks are normal, averaging to one start/stop per day, as expected.) Does anyone have similar experiences, or pointers to what might be the issue here? Specifically I'd like to know Why the massive start/stop count? Do I have some sort of configuration issue? Could there be a background service that is causing trouble? Could having a laptop disk as the OS drive be part of the problem? Can anyone confirm or deny this? Here is the /etc/hdparm.conf configuration /dev/sda { apm = 127 spindown_time = 120 } and the most relevant parts of smartctl --attributes /dev/sda: smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 001 001 000 Old_age Always - 185875 9 Power_On_Hours 0x0032 090 090 000 Old_age Always - 7820 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 109 193 Load_Cycle_Count 0x0032 118 118 000 Old_age Always - 246833 194 Temperature_Celsius 0x0022 107 098 000 Old_age Always - 36 As I generally prefer my drives to last more than a year, any advice is appreciated.

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• SQL 2008 SP1 crashing almost daily

  - by matijake

  Hey, almost every day our new DB crashes. It is virtual server residing on same hardware as 5 other servers, two of them beeing identical MS SQL2008sp1 and two Oracle 11g's so I can pretty much rule out hardware issues. Server has dedicated local LUN, 4vCPU and 8GB memory with 2GB windows swap file. It runs 4 instances. Primary instance is limited to 5GB memory and paralelism set to 4 running on MS SQL 2008 SP1 @ Windows Server 2008 Enterprise R2 x64. Only that primary instance is crashing. After it crashes nothing can connect to it, it's even impossible to shut it down through service manager. What I found in logs is: ***Stack Dump being sent to C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\LOG\SQLDump0081.txt SqlDumpExceptionHandler: Process 4788 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server i s terminating this process.     Whole log can be seen at: http://kabl.org/files/SQLDump0081.txt second crash log made second later at: http://kabl.org/files/SQLDump0082.txt I have analyzed mini crashdump with Microsoft tools, but no promising results. If it can help, here it is: http://kabl.org/files/SQLDump0081.mdmp Any ideas are greatly welcome, since it is becoming quite a pain in the ass to restart server almost every day :) Regrads, -Matija

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• How to diagnose occasional sudden resets?

  - by steve314

  I have a Windows XP system, and have recently upgraded by adding 2 1GB sticks of RAM to the 2x0.5GB already present. Since then, about once per day (the system is used 8+ hours per day), the system has suddenly and unexpectedly reset. On a couple of occasions, the system has frozen completely, only responding to the power button being held in for several seconds to force power off. Nothing at all ever appears in the system event log that might indicate a possible cause - everything seems to suggest business as usual. Sounds like faulty memory - but memtest86+ says otherwise. A full test, taking over an hour, found no issues. The next likely suspicion, then, is that I've knocked something while installing the RAM. Trouble is, everything I can think of to test seems fine. I've opened up the case and prodded a few things around, hoping to get better contact on connections etc, but there's no sign yet as to whether that has made a difference or not. I thought about a malware-related timing fluke, but again, so far as I can tell I'm all clear. All I can think of to add to my checklist (mainly of things that I can't easily check) is... The power supply is (1) only 350W, (2) not necessarily the best quality, and (3) powering a Prescott P4 640 3.2GHz. Could that be borderline overloaded or about to die? How do I check? Is it possible that the CPU isn't getting cooled properly? I haven't had the fan past normal tickover even doing video encoding, and the only sane temperature reading from SpeedFan is pretty steady at 36 celcius, so probably not. Any thoughts? Is there a standard procedure for diagnosing this kind of fault?

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• Exchange DiskShadow/Robocopy backup does not purge log files

  - by Robert Allan Hennigan Leahy

  I have a series of scripts setup to backup my Exchange. The following command is executed to start the process: diskshadow /s C:\Backup_Scripts\exchangeserverbackupscript1.dsh This is exchangeserverbackupscript1.dsh: #DiskShadow script file set verbose on #delete shadows all set context persistent writer verify {76fe1ac4-15f7-4bcd-987e-8e1acb462fb7} set metadata C:\Backup_Scripts\shadowmetadata.cab begin backup add volume C: alias SH1 create expose %SH1% P: exec C:\Backup_Scripts\exchangeserverbackupscript1.cmd end backup delete shadows exposed P: exit #End of script And this is exchangeserverbackupscript1.cmd: robocopy "P:\Program Files\Microsoft\Exchange Server\Mailbox\First Storage Group" "\\leahyfs\J$\E-Mail Backups\Day 1" /MIR /R:0 /W:0 /COPY:DT /B This is not causing Exchange to purge its log files. The edb file is 4.7 gigabytes, but the First Storage Group folder itself is 50+ gigabytes due to many, many log files for each day going back to 2009. Is there any way -- I've Googled and haven't found anything -- to notify Exchange when I've completed a full backup, and have it purge its log files? According to this and this, end backup should cause Exchange to "flush the transaction logs for that storage group" but only "if a successful backup of a storage group occurred", which leaves my question as: What constitutes a "successful backup", and why is what I'm doing not it?

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• Is Gmail Being Blocked by my ISP (wait till you read this)?

  - by James

  This is the strangest thing I have ever encountered. I have a desktop on which I cannot access Gmail and also youtube sign in (I believe since youtube is owned by google they both use the same sign in system). So okay, maybe my ISP is blocking these for some reason or maybe my firewall is, or maybe there is something wrong with my connectivity, right? NO. On other computers that uses the same connection via a wireless router I can access both gmail and youtube sign in just fine. On this computer which doesn't have a wireless card and so I have to connect via Ethernet cable (connected to a USB converter since the Ethernet port doesn't work anymore) I can access all sites and services including things like aol and hotmail. But only when it comes to gmail, do I get complete and utter throttling. I even turned off my AV ad Firewall momentarily and no luck. The gmail ages starts to load and by mid point it just stays there loading and loading and loading... never ends. I tried everything, I reset the modem and router multiple times. I reinstalled my operating system from a vista to a windows 7 hoping a complete reinstall would solve the issue, but no luck. So can anyone for the life of them figure out why this could be? And yes, I am going to call my ISP but not to solve this issue, but to cancel them. I want to upgrade to cabel from DSL anyway. I didn't mention my ISP because I'm not sure if that is within the rules (if it's okay some one let me know and I will). P.S. All this happened one day, before gmail was perfectly accessible in this computer. I can't remember anything special that happened on that day prior to this. The only thing I can think of is, my ISP or Google itself is blocking this computer based on it's mac address, but I don't know if that's even done. Additional info: PC: Windows 7 Ultimate 32 bit Connection Type: DSL Connecting Medium: Ethernet cable via USB converter

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• How to make multiple Excel files open in ONE window/instance of Excel 2003 in Win 7

  - by Mark

  I'm running Excel 2003 on my new Windows 7 machine. (There is also a Excel 2010 starter pre installed that I do not use). I'm a heavy user of Excel. I use it all day every day. I often have 10 or 15 sheets open and once and many of them have cell references to each other. I also have a macro file that keeps all my short cuts. On my old W2K machine when I clicked on a .xls file or a shortcut to one to it would open that file in the existing instance of Excel. This is as it should be. I would have many files open, in only one "window" or instance of Excel. All the files could interact with each other, the cross file lookups worked, my macros worked and I could switch between workbooks with CTRL Tab or CTRL F6, I could move tabs from one workbook to another. On the new W7 machine clicking on an icon opens a NEW INSTANCE of Excel every time. This is terribly frustrating. None of my connecting spreadsheets work anymore. My macros don't work. I can't connect files, I can't move tabs. I'm stuck. I can't do my work! I can still open files in one instance by doing a CTRL-O and navigating, but I need to my files to work on a click. I'm guessing this is a flaw in the registry files, possibly because of the starter Excel 2010 that came preloaded on my new machine. Can you walk me through a registry edit to fix this bug? Is there an easier way than a registry edit?

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• Website Use Monitoring for 3 People

  - by linkedlinked

  I work in an IT startup with 2 partners, and I'm the programmer/IT guy -- in other words, the work horse. To make a long story short, I'm doing most of the work right now, while they spend all day on Facebook. That's OK, because they're paying my salary, but if the project fails, I'm sure they'll blame me for it (I'm doing my best to make sure that doesn't happen!), and I want some sort of recourse. I already have an app that blocks time-wasters on my local PC, and keeps logs of when the app is enabled (so I can say "I had Facebook blocked from 9am-5pm today.") Is there any way I can get a brief summary of the most heavily visited sites, split up by client PC? At the end of the month, I want to be able to say "You both load Facebook, on average, every 10 minutes. You spend hours a day on Youtube, and haven't opened up our bugtracker in weeks" and maybe have a nifty chart or graph to match it. We have a crappy D-Link router, and no IT budget. They are both on Windows Vista, I run Ubuntu Linux. I don't want to install any monitoring software on their PC, but I'm totally fine with, say, routing all the network traffic through my machine. I guess I can think of lots of ways to accomplish this (telnet into JSSH and list open tabs? log all the DNS requests, per-domain? even thinking of setting up a webcam on my desk and just keeping 5-minute snapshots...), I just don't really know where to start. Any advice is appreciated, thanks!

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• How do I prevent or override a group policy on Windows 7?

  - by Kevin

  A few months ago my company was purchased by a large corporation. We recently switched our network over to the large corporate network which has more restrictions requirements. One of these is the requirement to use a proxy server for Internet traffic. However, some of our internal servers are not recognized by the corporate DNS, so we need to provide the fully qualified domain name. For W7, we make changes to the Internet Properties for IE8 and Chrome to include our domain name as an exception to the proxy server (e.g., *.foobar.com). The problem is that a group policy that does not include our domain name is continually pushed out to my systems throughout the day. This requires me to make the appropriate changes to the Internet Properties several times a day in order to access our internal servers. Is there a way that I can prevent the group policy from being pushed to my systems or detect when the group policy is pushed and override it? I am an administrator on all of my systems. I do have Firefox installed which is not subject to the same group policy push, but I need to have IE8 and Chrome working.

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• Optimizing Disk I/O & RAID on Windows SQL Server 2005

  - by David

  I've been monitoring our SQL server for a while, and have noticed that I/O hits 100% every so often using Task Manager and Perfmon. I have normally been able to correlate this spike with SUSPENDED processes in SQL Server Management when I execute "exec sp_who2". The RAID controller is controlled by LSI MegaRAID Storage Manager. We have the following setup: System Drive (Windows) on RAID 1 with two 280GB drives SQL is on a RAID 10 (2 mirroed drives of 280GB in two different spans) This is a database that is hammered during the day, but is pretty inactive at night. The DB size is currently about 13GB, and is used by approximately 200 (and growing) users a day. I have a couple of ideas I'm toying around with: Checking for Indexes & reindexing some tables Adding an additional RAID 1 (with 2 new, smaller, HDs) and moving the SQL's Log Data File (LDF) onto the new RAID. For #2, my question is this: Would we really be increasing disk performance (IO) by moving data off of the RAID 10 onto a RAID 1? RAID 10 obviously has better performance than RAID 1. Furthermore, SQL must write to the transaction logs before writing to the database. But on the flip side, we'll be reducing both the size of the disks as well as the amount of data written to the RAID 10, which is where all of the "meat" is - thereby increasing that RAID's performance for read requests. Is there any way to find out what our current limiting factor is? (The drives vs. the RAID Controller)? If the limiting factor is the drives, then maybe adding the additional RAID 1 makes sense. But if the limiting factor is the Controller itself, then I think we're approaching this thing wrong. Finally, are we just wasting our time? Should we instead be focusing our efforts towards #1 (reindexing tables, reducing network latency where possible, etc...)?

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• Does MySQL have some kind of DoS protection or per-user query limit?

  - by Ghostrider

  I'm a bit at a loss. I'm running a MySQL database that's roughly 1GB data in indices combined on a dedicated Linux server. DB version is '5.0.89-community'. Configuration is controlled via cPanel. PHP actually runs elsewhere on a shared hosting. IP addresses are static and don't change. Access from remote IP address is properly configured. Website gets around 10K hits per day with each hit generating a a database query. Some of these queries are expensive (~1 sec execution time). All is fine and well until at some point DB server starts refusing connections from the client, claiming that specific user can't access the server from that IP. Resetting the server will always fix the problem for a day or two and then the same thing happens. There are some other DBs on that server, some of which are hit pretty hard on occasion but constantnly. One of the apps maintains several persistent connections since it does couple of updates per minute. Though I don't think it's related. What's driving me mad is that I can't figure out why server would start refusing connections. There is nothing in the logs. This server is a hosted dedicated server so hosting company created the OS image and I didn't write or go over every line of configuration. I'd do it but I'm at a loss as to where start looking. Any advice is appreciated.

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• Centos Server/MySQL server problem

  - by Jake

  Hello all, I currently run a website we get about 15,000-20,000 hits a day. We currently run a very active forum, that is hosted using Vbulletin software. We have 4.5 Million Posts, 80,000 Threads, with about 11,000 members of which just under a third is active all the time. Now I am running a Intel Xeon Quad Core (2.13Ghz) with 4GB of RAM, Centos 5.5 and running DirectAdmin on the box to manage it. I also run the current stable version of Apache, MySQL, and php. This is the only site that is hosted on this machine. Now during random times of day sometimes when it gets busy the server load can get to like 20, but this can also happen when we only have like 200 users active too. I dont understand what is causing these problems. Sometimes I get pages that can generate in .2 seconds other times it takes like 5-8 seconds. I have customized the my.cnf file and that has not helped out anything, I didnt know where else to turn so if anyone has any suggestions please let me know. Thank You In advance.

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• Emptying Windows temp folder is a good idea?

  - by Siva Charan

  Am using DELL Inspiron with Windows 7. As far as I know emptying the windows temp folder would be good. But I faced a strange behaviour around 8 months back, when I clear my windows temp folder. The next day onwards, my laptop starting displaying daily one or other errors and one day OS got crashed. Till now I am not sure whether OS got crashed due to clearing the windows temp folder or something else is problem. Here Windows temp folder mean "C:\Windows\Temp" This is the behind the story. Today, this temp folder "C:\Windows\Temp" contains 102 GB Most of the space occupied by the files starts with etilqs_*.*. I came to know that these files are generated due to WD SmartWare. Now my problem is:- Actually I want clean up this folder, since it occupies lot of space. If I clean up "C:\Windows\Temp" folder, will my laptop face the same kind of problem which I faced earlier OR Any new problems will occur? Please suggest me a good solution.

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• What is the recommended glusterFS configuration for a growing website?

  - by montana

  Hello, I have a website that is tracking towards 50 million hits per day average, and within the next 3 months should be over 100 million hits per day. We are trying to use GlusterFS v 3.0.0 (with latest patches as of 1-17-2010) Currently, we've just upgraded to a load balancer environment that has 3 physical hosts with 6 Xen-Server 5.5u1 VM's (2 on each host) to serve webpage traffic. Each machine has 6 Raid-6 local storage drives (7200RPM-SATA). The old machine we came from had 1 mirrored SAS 10k drive. We also set up glusterFS currently with 3 bricks, one on each host, and it is serving the 6 VM's as clients. In testing, everything seemed fine. However when we went to production, it seemed that there just wasn't enough I/O's available to serve traffic even upwards of 15mil hits. Weeks prior, our old server was able to handle traffic, maxed out, at 20mil. Is there any recommended configurations for such an application, or things to be aware of that isn't apparent with their documentation at gluster.org for a site our size?

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• Docking Station Sound Doesn't Work on Dell D830 with Windows 7

  - by cisellis

  I have a Dell Latitude D830 laptop that is running Windows 7 Enterprise x64. I connect to a docking station during the day with multiple monitors, a keyboard and a mouse. Everything runs with no problems including most of the docking station ports (usb, monitors, etc.) However, the sound port from the docking station does not work since the upgrade to Windows-7. Even with the laptop plugged in, the sound always comes out of the laptop, not the headphones plugged into the docking station. Here's what I've tried: I've seen other issues like via Google this that seem to be mostly unanswered. I found one or two that referenced using the Vista x64 drivers, especially the Nvidia drivers. I do not have an Nvidia chipset but I've reinstalled the sound drivers and that has not helped. I don't have a support contract and considering the cost is usually high to call Dell, that's not an option. Dell's forums are pretty much a wasteland and I've found no help there. Since this is a docking station I thought I might need to try the SATA or Intel chipset drivers from the dell site instead, however I'm not really sure and I need to work on this laptop in the meantime. I can't really afford the downtime to experiment with random drivers all day in case they turn out to be incompatible (Dell still hasn't added Windows 7 to their support site as far as I can tell). Does anyone have any other ideas? Has anyone had this issue and solved it? If so, how? Thanks in advance for your help.

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• Windows 7 - Intermittently processes will not close when the app closes

  - by Bill Sambrone

  I have a user I am supporting who has the strangest issue. There are 2 problem applications, Word 2010 and a scanning program called ScandallPro. Intermittently (and at least once a day), she will close an app and the underlying process will not close. Both Word 2010 and this scanning software have all the latest updates. There is another user who has the same software that does not have this problem, and has identical hardware. I have formatted and rebuilt the computer for the user who is having the problems. After the rebuild, the machine was fine for a day but the scanning software continues to intermittently keep the process running even after it is closed. This is a problem because she cannot open a new instance of it while the process is still running. There is a boatload of line of business software on this machine, all of which she needs. I believe the Word 2010 issue is due to a misbehaving add-in (there are 2 add-ins, neither of which seem stable), and I think my best bet is to work with the add-in vendor on it. The scanning program staying open is isolated to this 1 user. The only difference between her machine and the other user is that she has Quickbooks, RoboForm, and Adobe Acrobat X Pro. Any ideas of what can be causing this, or other diagnostic steps to try?

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• Block users from Social networking websites while firewall is down

  - by SuperFurryToad

  We currently have a SonicWall firewall, which does a pretty good job a blocking Social networking websites like Facebook and Bebo. The problem we are having is that sometimes we need to temporarily disable our firewall blocklist so we can update our company's page on Facebook for example. Whenever we do this, have see an avalanche of users logging on to their Facebook pages during work time. So what we need a way to block access while the firewall is down. For the sake of argument, we have two groups of users - "management" and "standard users". "standard users" would have no access to Facebook, but "management" users would have access. Perhaps something like a host file redirect for non-management users. This could probably be enforced via group policy that would call a bat file to copy down the host file, depending if the user was management or not. I'm keen to hear any suggestions for what the best practice would be for this in a Windows/AD environment. Yes, I know what we're doing here is trying to solve a HR problem using IT. But this is the way management wants it and we have a lot of semi-autonomous branch offices that we don't have a lot of day to day contact with, so an automated way of enforcing this would be the most preferable method.

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• EC2 instances keep becoming inaccessible via SSH, can I use elastic loadbalancer to check SSH connectivity?

  - by Rick

  This is mainly an issue for my development ec2 server as it seems that my instance keeps becoming inaccessible via SSH. It happened yesterday so I killed that one and started a new one and happened again later today. The server still works, my web application is accessible in a web browser but whenever I try to connect via SSH I get a pemrission denied (public key) error message in my terminal. I am 100% sure I am doing nothing wrong as I can create a new instance of the exact same AMI (its a personal custom AMI), change absolutely nothing, including using the same .pem key, and then am able to SSH into that new instance using the exact same command as before (just changing the IP address). I understand that ec2 can have issues but having this happen every day seems a bit odd.. I am using an m2.xlarge instance so I don't know if these tend to be unstable, in the past I have used a small instance and had it running for months with no problems which is why I find this so odd. I am looking into using loadbalancing but it seems the only "health" checks they offer is for http or tcp so I'm not sure if I can make it monitor for SSH connectivity. This is important for development as I may make 1-2 new pushes of an application a day and use SSH to do this. I have a designer that needs to have the app always accessible as he works with the front-end files to test output with the live application. Anyways, any advice / info is appreciated

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• Monitoring AWS Systems Behind ElasticBeanStalk

  - by A. Avadis

  So I'm getting a company set up in the Amazon Cloud -- creating IAAS protocol/solutions/standardized implementation, etc while also being the SysAdmin for individual systems, app environments, and day-to-day uptime. One of the biggest issues I'm having is tracking various system/application logs, as well as logging/monitoring/archiving system metrics like memory usage, cpu usage, etc etc In a centralized fashion. E.g. -- Nagios + Urchin. The BIGGEST impediment to my endeavors is the following: The company application is deployed in the form of a Java *.WAR file, uploaded to an Elastic BeanStalk application environment, load balancing and auto-scaling between 3(min) and 10(max) servers, and the EC2's that run the application are fired up and disposed of ad-hoc. That is to say, I can't monitor the individual EC2's for very long because so many are being terminated then auto-provisioned/auto-scaled on the fly -- so I'd constantly be having to "monitor what I'm monitoring", and continuously remove/add EC2 machine addresses to my monitoring lists. IS there some sort of way to use monitoring tools like Zabbix or Nagios to monitor the ElasticBeanStalk, and have it automatically add on new EC2's, and remove terminated/failed EC2's from its monitoring list automatically? Furthermore, is there anything I can do with GrayLog to achieve similar results with the aggregation/centralization of my application logs from multiple EC2 instances into ONE consolidated set of logs/events? If not GrayLog, is there ANYTHING LIKE GrayLog that can automatically detect what EC2 members are being added/removed from the environment, and collect the logs from them automatically? Any and all advice or direction is appreciated. Thanks much, and cheers!!

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• windows 7 turns off itself everyday at about 9am

  - by Radek

  I was given this comp at work and after a week or so this strange thing started to happen in the middle of doing something :-( It turns off itself at about 9.10am every morning Just once a day and it works fine after it had it little nap. it happens both if the comp was on all night or I turned it off before leaving the office. I tried to swapped the memory as I was told that there was an issue with memory. But moving or removing any memory did not make any difference. I am not aware that I would install any program that could cause that. I installed AVG and set it up to do every day scan about 8am + if restart is needed it requires user confirmation. 'The Software Protection service has stopped' few minutes before it turned off itself but it happened also at other times without the computer turned off. I turned off Windows automatic updates as the first thing when I got the comp configuration Windows 7 Ultimate Intel Core2 Quad Q9550 at 2.8GH, 8GB RAM ST31000528AS Barracuda 7200.12 SATA 3Gb/s 1TB Update Below message are logged when I turn the comp on again. Message 1: The previous system shutdown at 9:08:54 AM on ?6/?29/?2010 was unexpected. Message 2: Level:Critical Source: Kernel Power EventID 41 Task Category (63) The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. Log after manual restart Update 2 (task scheduler)

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• Best way to troubleshoot intermittent network outages?

  - by Ben Scheirman

  We have a Comcast 50/10 line into our office. We keep seeing very short but sometimes frequent drops in our internet service. It's enough to kick you off of skype and stop any websites from loading, which is obviously affecting our productivity. We've tried 4 different routers, we've tried moving everyone off of wireless and onto wired via a switch and so far nothing has helped. Right now we're on a Cisco SB WRP400-G1 router. Attached to the router is a 16 port switch going to the ports in all of the offices. We've moved to OpenDNS in the case that it was the comcast DNS servers going down. Today we tried putting the modem, router, and switch on a UPS to make sure it wasn't power fluctuations that was causing it. Every time we call Comcast, by the time they are here the internet is working fine. I'd like to somehow prove that the problem is with Comcast, so if that means plugging in a machine directly into their router and collecting data all day, I'm up for that. I just want to hear ideas on what tools to run and how to collect this data. I could just continuously ping google.com all day long but I'm not sure how valuable that data would be. Thoughts?

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• Fast extraction of a time range from syslog logfile?

  - by mike

  I've got a logfile in the standard syslog format. It looks like this, except with hundreds of lines per second: Jan 11 07:48:46 blahblahblah... Jan 11 07:49:00 blahblahblah... Jan 11 07:50:13 blahblahblah... Jan 11 07:51:22 blahblahblah... Jan 11 07:58:04 blahblahblah... It doesn't roll at exactly midnight, but it'll never have more than two days in it. I often have to extract a timeslice from this file. I'd like to write a general-purpose script for this, that I can call like: $ timegrep 22:30-02:00 /logs/something.log ...and have it pull out the lines from 22:30, onward across the midnight boundary, until 2am the next day. There are a few caveats: I don't want to have to bother typing the date(s) on the command line, just the times. The program should be smart enough to figure them out. The log date format doesn't include the year, so it should guess based on the current year, but nonetheless do the right thing around New Year's Day. I want it to be fast -- it should use the fact that the lines are in order to seek around in the file and use a binary search. Before I spend a bunch of time writing this, does it already exist?

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