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• Disable PXE progamatically in parallels?

  - by Stefan Lasiewski

  I'm running Parallels 4.0 on Mac OS X 10.5.8. I'm trying to create a bunch of Virtual Machines from the commandline, using the prlctl tool, like so: $ prlctl create test1 -o linux -d centos $ prlctl set test1 --device-del cdrom0 $ prlctl start test1 Now, each time I start a new VM, the VM spends time waiting for a PXE boot. I'd like to turn this off. Can I disable PXE requests using Parallels or a Parallels commandline tool? Or, can I set the boot order of a VM from the commandline?

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• Why FreeBSD won't reboot after kernel crash?

  - by Max Kosyakov

  Once in a while I get my server running FreeBSD 8.0 amd64 fail due to bad memory (incompatible with motherboard) modules. Each time it happens, the box stalls with the last note saying that it will automatically reboot in 15 second, but it never does. How do I fix this? I need computer to reboot after kernel crash, unattended. (Please do not recommend to replace memory, as soon as I get the modules, I will, but I need a quicker solution that will not require me to stand still next to the box just to press the reset button each time it crashes.)

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• Change sysout logging level for Weblogic

  - by Justin Voss

  When I run a local copy of Weblogic, I like to see the output in the console so that I can observe my app's logging messages. But, Weblogic spits out a lot of log messages I don't care about, like these: [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' 08-29-2010 01:02:21 INFO Getting a JNDI connection [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' 08-29-2010 01:02:21 INFO Connection Returned. Elapsed time to acquire=0ms. [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' 08-29-2010 01:02:21 INFO Getting a JNDI connection [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' 08-29-2010 01:02:21 INFO Connection Returned. Elapsed time to acquire=0ms. Can I configure Weblogic to not output those? I assume that I can change the logging level to something higher than INFO and that should fix it?

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• Why does 1GBit card have output limited to 80 MiB ?

  - by Gallus

  I'm trying to utilize maximal bandwidth provided by my 1GiB network card, but it's always limited to 80MiB (real megabytes). What can be the reason? Card description (lshw output): description: Ethernet interface product: DGE-530T Gigabit Ethernet Adapter (rev 11) vendor: D-Link System Inc physical id: 0 bus info: pci@0000:03:00.0 logical name: eth1 version: 11 serial: 00:22:b0:68:70:41 size: 1GB/s capacity: 1GB/s width: 32 bits clock: 66MHz capabilities: pm vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation The card is placed in following PCI slot: *-pci:2 description: PCI bridge product: 82801 PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: 92 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list The PCI isn't any PCI Express right? It's a legacy PCI slot? So maybe this is the reason? OS is a linux.

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• What is it that kills laptop batteries?

  - by Mala

  There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever owned, and I just got a new one, so please help me sort out fact from fiction. Here are some of the things I've heard: Do not keep your laptop fully charged. You must run it completely down every so often. Do not use your laptop plugged in to the wall. Only plug it in when it needs charge. If you will not be using your laptop for a long period of time, don't leave it at full charge. Do not leave your laptop running 24/7. The first two I know to be complete fiction: this was true of old batteries such as you might have had in an iPod in 2003, but modern batteries function better when kept at or near full charge. Devices even have circuitry to prevent you from completely depleting your battery, as this is dangerous. The third point sounds probable, and I'd be interested to know if it was true. However, it doesn't really apply to me because I'm not really the type to leave my laptop alone for a day, much less a "long period of time" The fourth seems most likely of the above, but only because of causality: I have always done this, and my batteries have always crapped out on me. I've generally treated a laptop like a desktop with a battery backup, and that I can move from one room to another if necessary. The fact that my batteries tend to last less than 30 seconds has further entrenched this behavior. Should I be trying to break this habit? Are there any other things that ruin laptop batteries? I love that I can actually use my new laptop unplugged :) I'd like to keep it that way. Update: Additional question: If the computer will be used for an extended period of time plugged in, does it make sense to remove the battery first? Update 2: I know people with laptops older than mine, who actively use their laptops as much as I do, and their batteries still hold about an hours' charge while mine holds less than 30 seconds, hence my belief that something I'm doing kills them.

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• Keeping rackspace vserver alive

  - by mit

  It appears to me that rackspace somehow freezes cloud VMs after some idle time. This means the first page request to a php page takes much longer to respond than the subsequent requests. I am actually querying a machine with wget from a different host now to keep it "alive". But I wonder what frequency would be necessary. Does anyone know the time period after which they send a VM to "sleep"? I guess it would be some minutes. EDIT: There is no caching involved on the php site. It just recently moved from another vhost and there was never such latency on the first request.

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• Change the format of the date column in Thunderbird

  - by TheOmega

  I want to change the format of the "Date"-column in the messagelist in Thunderbird. For mails from today, I want to display only the time, not the date. For mails from before today, I want to display only the date, not the time. This is the same setup mutt uses. I know of the Date display format wiki article, which describes how to change the date format, but you can only switch between five predefined formats, and none of them is "Date only". I also know of the ConfigDate extension, but it's got the same limitations, you can't define a new date format.

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• OpenSSH SFTP: chrooted user with access to other chrooted users' files

  - by HannesFostie

  Decided to re-phrase the question entirely in order to not have to make a new one. I currently have an SFTP server set up using OpenSSH's SFTP functionality. All my users are chrooted, and everything works. What I need most right now is for one user, which is not root (because this user can't have any real SSH powers!), to have access to all other users' chrooted dirs. This user's job is to fetch all uploaded documents every once in a while. Directory structure as of now is: /home |_ /home/user1 |_ /home/user2 |_ /home/user3 With ChrootDirectory set as /home/%u User "adminuser" should have access to user1, user2 and user3's directories without having access to /home or at the very least not to anything but /home. Bonus points for the one who can tell me how to let users write inside /home/%u without having to make a new directory inside that dir which they own themselves, and not root as is the case with /home/%u (openssh chroot prerequisite).

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• How to quickly switch monitors on multi-monitor setup? (W7)

  - by Saxtus

  At my desktop PC, I have 3 displays hooked up on my Palit GeForce GTX 480 to extend my desktop: DVI: Samsung SyncMaster T220 (22" 16:10, 1680x1050, as my main) DVI: Samsung SyncMaster 940BF (19" 4:3, 1280x1024) HDMI: Sony Bravia KDL-32D3000 (32" 16:9, 1360x768) As expected, the GFX card can only utilize 2 of the displays at any given time, so I have to manually switch using Windows' "Display Properties" dialog, each time I want to switch between them. I've tried UltraMon, DisplayFusion and PowerStrip (so please don't refer me to a question where those are given as solutions) but they are unable to switch monitors. Instead they can only change display resolutions and settings on the existing active monitors, with specially weird results when I've saved the monitor states and then tried to switch monitors using the saved states! Any idea on how to bypass the awful "Display Properties" dialog and it's "confirm your change" timer? Thanks in advance.

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• Improving TCP performance over a gigabit network lots of connections and high traffic for storage and streaming services

  - by Linux Guy

  I have two servers, Both servers hardware Specification are Processor : Dual Processor RAM : over 128 G.B Hard disk : SSD Hard disk Outging Traffic bandwidth : 3 Gbps network cards speed : 10 Gbps Server A : for Encoding videos Server B : for storage videos andstream videos over web interface like youtube The inbound bandwidth between two servers is 10Gbps , the outbound bandwidth internet bandwidth is 500Mpbs Both servers using public ip addresses in public and private network Both servers transfer and connection on nginx port , and the server B used for streaming media , like youtube stream videos Both servers in same network , when i do ping from Server A to Server B i got high time latency above 1.0ms , the time range time=52.7 ms to time=215.7 ms - This is the output of iftop utility 353Mb 707Mb 1.04Gb 1.38Gb 1.73Gb mqqqqqqqqqqqqqqqqqqqqqqqqqqqvqqqqqqqqqqqqqqqqqqqqqqqqqqqvqqqqqqqqqqqqqqqqqqqqqqqqqqqvqqqqqqqqqqqqqqqqqqqqqqqqqqqvqqqqqqqqqqqqqqqqqqqqqqqqqqq server.example.com => ip.address 6.36Mb 4.31Mb 1.66Mb <= 158Kb 94.8Kb 35.1Kb server.example.com => ip.address 1.23Mb 4.28Mb 1.12Mb <= 17.1Kb 83.5Kb 21.9Kb server.example.com => ip.address 395Kb 3.89Mb 1.07Mb <= 6.09Kb 109Kb 28.6Kb server.example.com => ip.address 4.55Mb 3.83Mb 1.04Mb <= 55.6Kb 45.4Kb 13.0Kb server.example.com => ip.address 649Kb 3.38Mb 1.47Mb <= 9.00Kb 38.7Kb 16.7Kb server.example.com => ip.address 5.00Mb 3.32Mb 1.80Mb <= 65.7Kb 55.1Kb 29.4Kb server.example.com => ip.address 387Kb 3.13Mb 1.06Mb <= 18.4Kb 39.9Kb 15.0Kb server.example.com => ip.address 3.27Mb 3.11Mb 1.01Mb <= 81.2Kb 64.5Kb 20.9Kb server.example.com => ip.address 1.75Mb 3.08Mb 2.72Mb <= 16.6Kb 35.6Kb 32.5Kb server.example.com => ip.address 1.75Mb 2.90Mb 2.79Mb <= 22.4Kb 32.6Kb 35.6Kb server.example.com => ip.address 3.03Mb 2.78Mb 1.82Mb <= 26.6Kb 27.4Kb 20.2Kb server.example.com => ip.address 2.26Mb 2.66Mb 1.36Mb <= 51.7Kb 49.1Kb 24.4Kb server.example.com => ip.address 586Kb 2.50Mb 1.03Mb <= 4.17Kb 26.1Kb 10.7Kb server.example.com => ip.address 2.42Mb 2.49Mb 2.44Mb <= 31.6Kb 29.7Kb 29.9Kb server.example.com => ip.address 2.41Mb 2.46Mb 2.41Mb <= 26.4Kb 24.5Kb 23.8Kb server.example.com => ip.address 2.37Mb 2.39Mb 2.40Mb <= 28.9Kb 27.0Kb 28.5Kb server.example.com => ip.address 525Kb 2.20Mb 1.05Mb <= 7.03Kb 26.0Kb 12.8Kb qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq TX: cum: 102GB peak: 1.65Gb rates: 1.46Gb 1.44Gb 1.48Gb RX: 1.31GB 24.3Mb 19.5Mb 18.9Mb 20.0Mb TOTAL: 103GB 1.67Gb 1.48Gb 1.46Gb 1.50Gb I check the transfer speed using iperf utility From Server A to Server B # iperf -c 0.0.0.2 -p 8777 ------------------------------------------------------------ Client connecting to 0.0.0.2, TCP port 8777 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 3] local 0.0.0.1 port 38895 connected with 0.0.0.2 port 8777 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.8 sec 528 KBytes 399 Kbits/sec My Current Connections in Server B # netstat -an|grep ":8777"|awk '/tcp/ {print $6}'|sort -nr| uniq -c 2072 TIME_WAIT 28 SYN_RECV 1 LISTEN 189 LAST_ACK 139 FIN_WAIT2 373 FIN_WAIT1 3381 ESTABLISHED 34 CLOSING Server A Network Card Information Settings for eth0: Supported ports: [ TP ] Supported link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 10000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: external Auto-negotiation: on MDI-X: Unknown Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes Server B Network Card Information Settings for eth2: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: No Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: No Speed: 10000Mb/s Duplex: Full Port: Direct Attach Copper PHYAD: 0 Transceiver: external Auto-negotiation: off Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes ifconfig server A eth0 Link encap:Ethernet HWaddr 00:25:90:ED:9E:AA inet addr:0.0.0.1 Bcast:0.0.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1202795665 errors:0 dropped:64334 overruns:0 frame:0 TX packets:2313161968 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:893413096188 (832.0 GiB) TX bytes:3360949570454 (3.0 TiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:2207544 errors:0 dropped:0 overruns:0 frame:0 TX packets:2207544 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:247769175 (236.2 MiB) TX bytes:247769175 (236.2 MiB) ifconfig Server B eth2 Link encap:Ethernet HWaddr 00:25:90:82:C4:FE inet addr:0.0.0.2 Bcast:0.0.0.2 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:39973046980 errors:0 dropped:1828387600 overruns:0 frame:0 TX packets:69618752480 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3013976063688 (2.7 TiB) TX bytes:102250230803933 (92.9 TiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:1049495 errors:0 dropped:0 overruns:0 frame:0 TX packets:1049495 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:129012422 (123.0 MiB) TX bytes:129012422 (123.0 MiB) Netstat -i on Server B # netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth2 9000 0 42098629968 0 2131223717 0 73698797854 0 0 0 BMRU lo 65536 0 1077908 0 0 0 1077908 0 0 0 LRU I Turn up send/receive buffers on the network card to 2048 and problem still persist I increase the MTU for server A and problem still persist and i increase the MTU for server B for better connectivity and transfer speed but it couldn't transfer at all The problem is : as you can see from iperf utility, the transfer speed from server A to server B slow when i restart network service in server B the transfer in server A at full speed, after 2 minutes , it's getting slow How could i troubleshoot slow speed issue and fix it in server B ? Notice : if there any other commands i should execute in servers for more information, so it might help resolve the problem , let me know in comments

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• Why are there unknown URLs in router log?

  - by Martin

  I recently looked at my router log. Why are a lot of requests that I don't send originated from a computer in my home network? They do not look like 3rd-party advertisements / images embedded in a page. The request have patterns, such as: top-visitor.com/look.php www.dottip.com/search/result.php?aff=8755&req=nickelodeon+games www.placeca.com/search/result.php?aff=3778&req=wireless+cell+phone www.bb5a.com/search.php?username=3348&keywords=flights www.blazerbox.com/search.php?username=2341&keywords=colorado+springs+real+estate www.freeautosource.com/search.php?username=sun100&keywords=vehicle www.1sp2.com/search.php?username=20190&keywords=las+the+hotel+vegas www.loadgeo.com/search/result.php?aff=10357&req=winamp www.exalt123.com/portal.php?ref=seo2007 www.7catalogs.com/search.php?username=la24&keywords=shutter www.theloaninstitute.com/search.php?username=kevin&keywords=webcam www.grammt.com/search.php?username=2530&keywords=bob And there are hundreds of these requests send within a second. So what's happening?

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• WS2008R2 / W7PRO: Cannot rename folder - folder redirection

  - by castor

  After few months from migrating one of my networks on Active Directory this issue started. A few users are encountering an issue from time to time - they cannot rename folders and files on desktop. The system throws an error saying the folder or file is already in use. Folder redirection takes place in this scenario (Desktop and My Documents) Subnet with user PCs is different from subnet with servers (Cisco ASA5505 Security Plus between - all inspection policies disabled on these interfaces) Users are running Windows 7 Professional x86 Server is running Windows Server 2008 R2 Standard Any ideas?

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• Windows scheduler - Tasks not running when user not logged in

  - by Glinkot

  I have Windows Server 2003, with schedules setup via Remote Desktop under one account. That account appears in the 'creator' column too. I have 'Run only if logged on' unticked. When I have logged in under that account and then 'disconnected' leaving the the session alive, the schedule runs. But every time the server is rebooted, the task again fails to run until I again log in and disconnect. Any KB fixes I've missed or issues I've overlooked? Normally I only discover the issue when a user tells me the schedule has stopped running so it's a real reliability issue. I'd also be happy with an answer suggesting an alternative scheduler with higher reliability. Thanks

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• Nginx rewrite with Simple Machines Forum

  - by Kevin Worthington

  I am running Nginx 1.5.6 and I use the Simple Machines Forum software. Most rewrite rules seem to work properly, with the exception of the RSS feeds. In my Nginx configuration, I have the following line which is supposed to handle URLs which contain ".xml": rewrite ^/forum/(\.xml|xmlhttp)/?$ "/forum/index.php?pretty;action=$1" last; The above rule produces the following URL for the main forum, which returns a 403 Error: http://www.mydomain.com/forum/.xml/?type=rss I would like the rewrite rule to produce this type of URL, which returns code 200 (a real page): http://www.mydomain.com/forum/?type=rss;action=.xml Here is the entire block pertaining to the forum rewrites: http://pastebin.com/raw.php?i=tZkAibW3 I would really appreciate some help to create a rewrite rule to do that. Thanks.

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• Setting up mutt for gmail

  - by highBandWidth

  I am trying to set up mutt for gmail. I am following instructions at http://crunchbanglinux.org/wiki/howto/howto_setup_mutt_with_gmail_imap, however, after putting set from = "[email protected]" set realname = "Your Real Name" set imap_user = "[email protected]" set imap_pass = "yourpassword" (with my details, of course), I get $ mutt Error in $HOME/.muttrc, line 12: imap_user: unknown variable Error in $HOME/.muttrc, line 13: imap_pass: unknown variable source: errors in $HOME/.muttrc Press any key to continue... If I try to send an email, it doesn't work because instead of IMAP, it tries to send email directly from my localhost's mail system. Mutt says it is version Mutt 1.4.2.3i.

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• Symantec CPS / Backup Exec 11D Service stuck in "Starting" Status

  - by user42289

  I have two Windows 2003 (one is SE, one is SBS) both SP2, both are Virtual Machines of Microsoft Virtual Server 2005 R2. All of a sudden about 2 weeks ago, the Symantec Backup Exec / CPS 11D stopped working on them. One is the Media server, one is our Exchange 2003 Server. There is another copy of CPS on our file server that the service is running fine on. However the one that is fine is not a VM. When I say stop working, the "backup exec continuous protection agent" service is stuck in "starting" status. On the non Exchange server I've tried uninstalling the last Windows Updates that were run some time around the time of failure. I've tried repairing the install of CPS. I've tried uninstalling it and reinstalling. Exact same problem in the end.

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• Frustration with superuser.com user interface (please migrate this to "meta")

  - by Randolf Richardson

  Can someone please migrate this question to "meta" for me? I'm unable to post there while I wait for OpenID to fix my password problems. Thanks. I'm having problems with superuser.com's interface -- when I provide an answer to a question, sometimes the buttons get locked and then I find out that the question was migrated. Usually I can go back and copy-and-paste my answer at whatever site it goes to, but on occasion my answer is lost and I have to re-type it. This is very time-consuming, and makes it quite frustrating to use the system. In addition, I find that I'm wasting a lot of time dealing with having to re-register on the other sites. My suggestion is to not de-activate the "Submit answer" button but to just forward that along to the migrated site automatically, thus ensuring that answers that people put a lot of effort into don't get lost. Thanks in advance.

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• Exim4 Disable local delivery?

  - by Robert Ross

  Hey all, I'm running exim4 as my MTA and it works great to send emails to outside emails other than my hostname. When I send an email to my gmail via command line (sendmail [email protected], etc...) it works fine. When I send an email to my website's domain, which is also the hostname for the server, i'm assuming it just does local delivery... which won't work because my email is received by another server (Google Apps). So how do I disable local delivery in Exim4? dpkg-reconfigure exim4-config did not give any real results.

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• How to close the logon process named NtLmSsp ?

  - by Aristos

  I have a windows 2003 server and time to time I am getting many login failures like this one. Logon Failure: Reason: Unknown user name or bad password User Name: administrator Domain: xx.xx.xx.xx Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: XLHOST Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 173.45.70.100 <- hacker Source Port: 4722 AND Logon attempt by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0 Logon account: user Source Workstation: XLHOST Error Code: 0xC0000064 The question is, how can I close this process of login ?, what I have left open and some one can try to login ? Some notes: I login to the server using tunneling, nothing is open except dns, email, and web ports, not even ftp, and all default ports are change and hidden. I also monitor port scan and capture any one that try to find the hidden ports. Probably it is something open... Thank you in advanced.

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• Longlasting Macport installation

  - by user10826

  Hi, I use Macports on Mac OSX to install some software. But there are somethings that I find very strange. For instance, yesterday I installed some app. and the it needed to get gcc43 and compile completely from source! It took a lot of time, although now everything works right. I understand that compilation of everything in the gentoo spirit is eomthing nice, but in the Mac case, not necessary. There are ony sole hardware variations, so it will be easier to get the binaries. I wonder if Macporst can be forced to get the binaries when available and therefore avoid these time consuming compilations. Thanks

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• Local Apache on Windows XP not finishing page requests

  - by asgeo1

  I have Apache 2.2.11 installed locally on my Windows XP (SP3) dev machine, which I setup about 3 months ago. I have just started having a strange problem in the last few week. Apache is serving some basic PHP applications like phpMyAdmin. When I make a page request, Apache appears to not finish serving all resources for that page. Firefox shows the "Transferring data from servername..." message, and the page never completes. The same problem happens in Internet Explorer too. I can sometimes tell which resource it is waiting on, because most of the page will render except for some image or similar resources. (Not sure why Firebug doesn't show this) It doesn't have the problem every page request - for page requests where most of the resources are cached in my browser, the page request will work with no problems. Or pages that are very light will work with no problems. However, if I "hard" refresh the page, I will have this problem (probably because it is requesting all page resources) Does anyone know what this could be? It is so strange that it has only just started happening - and I did not make any changes to my system (that I am aware of) I tried playing with the Apache ThreadsPerChild setting, but it did not seem to make a difference. UPDATE: I have been doing some more tests. I have been serving the most basic of pages, just a plain HTML file: <html> <body> <h1>testing</h1> </body> </html> If I request this page multiple times in a row, AND each request occurs immediately after the previous has completed, then 50% of the time the request will time out. However, if I put a 1-2 second gap between requests, then there is no problem. This correlates to what I have observed when the brower requests a real application page. When the browser has nothing cached, then all of the page resources are requested from the browser in a short amount of time - this appears to trigger the problem. UPDATE2: Nathan Long has helped me understand the issue a little better with the server-status page (see below). It is weird, it is like the server has a hickup sending data to the client. The client sits there waiting forever for data that never arrives. Closing the client process does not terminate the connection on the server - the server still has active threads for each previously attempted connection, but they just sit there - not sending any data and never terminating. (even though the client is now closed) Only a restart of the server seems to terminate them.

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• Start tomcat webapp with root privileges

  - by Hagay Myr

  I built a webapp that uses libpcap (via jpcap). In order to be able to get the network interfaces list or to bind to a network interface, the application (in this case a webaap that runs from tomcat server) must be running with root privileges. During development I simply ran Eclipse with root privileges (sudo eclipse) and my webapp worked just fine with Eclipse's local tomcat server. However, when I try to deploy my webapp to the "real" tomcat server, it isn't working. I Also tried to start the tomcat6 service with sudo and changed the TOMCAT6_USER definition (defined in /etc/init.d/tomcat6) from "tomcat6" to "root" but it made no difference. What should I do to make it work?

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• making cookies persistent in IE8

  - by Jamie Stevens

  There's a website I sign into frequently, and I'm getting sick of entering my username and password every time. The website can remember who I am so long as I don't close my browser (Internet Explorer 8), but when I do it forgets me, and asks me to login again. I'm guessing this is because it's using a cookie (and perhaps a session) that expires when I close my browser. Is there anyway to make this information persistent across each time I load my browser? (I tried exporting the cookies to a file, and then importing them as soon as the browser was reloaded, but that didn't work either... I'm thinking the cookie text file needs to be modified somehow.) (FYI The website is http://blackboard.unh.edu, but you won't have access unless you happen to be a student there :-) NOTE: I'm not interested in using any password remembering features in the browser. The only solution I'm open to is making the cookie / session persistent somehow!

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• Logging with Resource Monitor?

  - by Jay White

  I am having sudden spikes in disk read activity, which can tie up my system for a few seconds at a time. I would like to figure out the cause of this before I set my machine to go live. With Performance Monitor I know I can log activity, but this does not show me individual processes that cause a spike. Resource Monitor allows me to see processes, but I have no way to keep logs. It seems unless I have Resource Monitor open at the time of a spike, I will not be able to identify the process causing the spike. Can someone suggest a way to log with Resource Monitor, or an alternative tool that can?

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• Remote location looses connectivity

  - by user24559

  I have a remote location that has constant internet access using DSL. The remote location only has three Linksys cameras that use the internet access with a router. There is no computer on the network. The router is configured to use the DYN.org service to keep the IP address updated if the internet provider assigns a new ip address. The problem I am having is the router after a period of time stops responding to incoming ping requests and the cameras are shown offline. However, if I keep one of the cameras constantly streaming data then the connection to all the cameras works just fine all the time. How can I keep the router from appearing to be sleeping and not responding to incoming requests? The router is the Linksys WRT300N.

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