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• configure cisco catalyst 3560g with an egress uplink

  - by imaginative

  Currently my setup has our egress uplink connected directly to an external interface on a linux router/firewall/nat gateway. Since the linux box is a single point of failure, I've since setup two openbsd boxes using carp+pf+pfsync in order to gain some additional redundancy. the problem is, I only have one egress uplink (it's still a single point of failure) but need to get it to speak to the active carp node in my openbsd cluster which will server as my new router/firewall/nat cluster. Is there anything specific I need to do on a 3560G in order for me to be able to: 1) Drop the egress uplink into a port 2) Drop one link from the switch to a firewall 2) Drop a second link from a switch to the firewall This is so if one box dies, the other still has the egress link to the switch. Is putting them into one VLAN enough? Anything else that needs to go into the configuration for this setup to work?

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• SPF problems with Google Apps

  - by mahle

  I currently have an SPF record with a hostname of @ that is: v=spf1 mx ip4:x.x.x.243/32 include:_spf.google.com include:amazonses.com ~all I also have another record of" spf2.0/pra mx ip4:x.x.x.243/32 include:_spf.google.com include:amazonses.com ~all We have had a lot of email being bounced back because of spam and now when I go to http://www.kitterman.com/spf/validate.html? and check the "Does my domain already have an SPF record? What is it? Is it valid?" it says no spf record exists. However, when I send an email using our Amazon SES script and check the headers it says it passes the SPF test. Is there something I am missing? Do I need to place that text in quotes ""? Any help would be greatly apprecaited.

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• How to setup a django site with Cherokee, DynDNS and virtual_env?

  - by e-satis

  I have a django project running with the dev server, and would like to try run it in a production environment. I wanted to try Cherokee for a change, so I installed it. We don't have a domain name yet, so I set up a DynDNS looking like stuff.gotdns.org. It works fine, I can see the Cherokee welcome page (so red, I first believed I got an error :-p). I ran the wizard to create a new virtual server for Django. No everything is setup, but I have nothing. Still the default Cherokee welcome page. What should I do now if I want to go to "http://stuff.gotdns.org" and see my website? What should I do now if I next want to make it available only at "http://project.stuff.gotdns.org"? Important fact, I use virtual_env, so your can call Python directly, you have to activate it first.

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• Slowdown after repeated hibernation in XP SP3

  - by John

  I have a Dell laptop w/dual core and 4 gigs of memory. Recently my machine has started to go off in never never land for 5 to 20 minutes at a time with a lot of hard drive churning. Eventually it comes back and everything operates properly. If I manage to have task manager up CPU usage shows no more then 3 to 5% during this process. I am on a corporate network and have very good virus protection in place. The problem seems to have increased in frequency since I let an update happen to IE8 and/or I started using hibernate more frequently. Any ideas or suggestions? TIA J

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• Is there a way to make NoScript always allow .pdf files?

  - by Ben

  I'm using Firefox with NoScript to stop the bad stuff. I've also told Acrobat Reader to load .pdf files in it's own window instead of inside the browser (because sometimes it locks up, and then I would have to restart the browser). However, whenever I come across a .pdf file, I always get a new tab completely covered by the NoScript box. Then, I can click anywhere in that page, and NoScript asks me if I'm sure I want to allow it. Then, Acrobat Reader is launched in its own window, but the Firefox tab remains, and I have to close it. It seems like NoScript is getting in the way of Acrobat's attempt to just open the file without making a new tab. Is there a way to tell NoScript to always allow .pdf files (Or any other suggestion to make that annoying blank tab go away by itself)?

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• Making Google Talk messages appear on all logged in clients.

  - by Ryan Hayes

  We're using Google Talk as our unofficial-official chat client around the office at work. One thing that poses a big problem almost every day is the fact that Google Talk only sends a message to the clients that you last used. Even though you may be logged into GTalk on 3 different machines, if you start talking on one machine, that becomes your "active" machine, and if you go to another machine, you will still only get messages on the last active machine. Is there a way that you can force Google Talk to send messages to ALL logged in clients, regardless of which client you are actively using? That way, you don't miss any messages during the time between when you get up from the active machine and then make the new client "active".

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• Server room kit?

  - by Bill Weiss

  I feel like this is a question I've seen on here before, but some searching didn't do me any good. This looks similar, but I'm looking for stuff I leave there, not what's in my go-bag. What would you say is indispensable equipment in your server room? I've inherited one that's a bit light on stuff (except for servers, those are in there). We're in the single digits of racks, if that matters. I'm thinking of things like: Cable labeler Ethernet tester (copper at least, fibre if you need) ... ? Community wiki, because, really. [Edit] I suppose it's important to say that it's a colo facility, kind of far from the office. No food, water, etc. :(

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• Is dual boot via wake on lan possible?

  - by ianfuture

  Is it possible to set up a PC so it can Wake on Lan and then have the option of which OS to boot into? I want to have a secondary PC with Windows and a *nix variant installed. I want the PC to be in a remote room so I can connect via a wireless hub to it and then boot it up as and when required and choose which OS to boot into. If it is possible how would I go about it? Any recommendations on how to do it or where I can get more info on how to do it? Thanks.. Ian

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• over Windows terminal change cursor width or color in Vim depending on mode

  - by INTPnerd

  I am using PuTTY to connect over SSH to an Ubuntu server from my Windows 7 workstation. Once connected I am using the Vim installation from the Ubuntu server to edit files. I want the cursor to change when I go into and out of insert mode. Part of my .vimrc file is like this but it is not changing the cursor: if &term =~ "xterm" echo "xTerm!!inate!" let &t_SI = "\<Esc>]12;purple\x7" let &t_EI = "\<Esc>]12;blue\x7" endif I know that the if statement is executing because of the echo. EDIT: Actually I would prefer to change the cursor to be a vertical line like you can in the PuTTY settings rather than change the color, or maybe even do both. But just changing the color would be a lot better than nothing. Also I am willing to change terminals if there is another Windows 7 Professionsal 64 bit compatible terminal that can do this (preferably something free). Maybe Poderosa can do this?

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• Where do I learn about IP blocks and subnets? Or is there just a calculator that does it all for me?

  - by cwd

  Amazon's elastic compute tool (among others) requires the ip block format for their command: ec2-authorize websrv -P tcp -p 80 -s 205.192.0.0/16 I may be doing this wrong, but as far as I can tell I need to use the block format even for a single IP address. 1) So, how would I do that for this IP? 71.75.232.132 Several years ago I took a CCNA class, and I remember going over IPs and subnets, masks, broadcast addresses, class a/b/c networks, etc. However a lot seems to have changed since then - for example I don't think you can tell what "class" a network is in just by looking at it anymore - sometimes they could be multiple classes. 2) Anyhow, my second question is where do I go to get a refresher on all these things? 3) Or should I just be using ipcalc or an online calculator to do it all for me - and if so, which one?

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• Shrink Partition on Production Server

  - by Campo

  SO our production server was only setup with one large partition. I have setup a standby server and properly partitioned it. Now the boss wants the production environment's partition shrunk. It is an HP DL380 G5 We have 4 hot swap drives in a raid 5. How best should I go about doing this. Seems like a bad idea to me. Should I use windows or HP to do the partitioning? What should I be aware of in a production environment? The idea is to put the site (Inetpub) on a separate partition instead of the C: drive. How much downtime should I expect? Is this a terrible idea? Anything else I have missed?

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• Troubleshooting Windows Server 2012 storage spaces

  - by Iravanchi

  I'm trying the new "Storage Pools" feature on Windows Server 2012, and I've created several disks on the pool. When I restart the server, some of the disks (two, out of four) do not attach automatically, and don't show up in the list of disks. I can go to Server Manager File and Storage Services Storage Pools, and the faulty disks are listed with a yellow triangle beside them. The drive health in the properties are "unknown". But if I right-click and choose attach, the disk comes online, with all the content on it intact. But after another restart, it's the same story. I didn't find any relevant event in the event log, how can I find out why the drives are not attaching?

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• 5v PCI to PCI-X or PCIe adapter?

  - by SiegeX

  We unfortunately have a very expensive ($10K) full-length 5 volt PCI card that we would like to use in the same system as another expensive PCI-X card. As luck would have it, it seems that PCI-X is not backwards compatible with 5v PCI cards. It would be a real shame to have to order a whole new server just to accommodate these two cards together. Does there exist any internal converter/adapter that will allow one to place a full-length 5v PCI card into either a PCI-X or PCIe slot? I've found an external expansion box that suits our needs but it's 1) External and 2) $1100. The only internal adapters I've been able to find go from Low-profile PCI - PCIe; nothing that seems to support full-height, full-length PCI cards.

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• Linux FHS: /srv vs /var ... where do I put stuff?

  - by wag2639

  My web development experience has started with Fedora and RHEL but I'm transitioning to Ubuntu. In Fedora/RHEL, the default seems to be using the /var folder while Ubuntu uses /srv. Is there any reason to use one over the other and where does the line split? (It confused me so much that until very recently, I thought /srv was /svr for server/service) My main concern deals with two types of folders default www and ftp directories specific application folders like: samba shares (possibly grouped under a smb folder) web applications (should these go in www folder, or do can I do a symlink to its own directory like "_/www/wordpress" - "/srv/wordpress") I'm looking for best practice, industry standards, and qualitative reasons for which approach is best (or at least why its favored).

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• Getting jerky backgrounds on Win7 on iMac 27'' 2560x1440

  - by JohnIdol

  I installed Win7 on bootcamp on my new iMac 27'' (ATI videocard) and everything was good until recently I noticed that the default win7 background (then one on the background on login) looked jerky. When I say jerky I mean the kind of jerky you get if you can't display enough colours, and instead of nice fading shades you just get stripes and jerky patterns. I am on native resolution but even if I go down to 1920x1080 I get the same. This might have happened after a firmware update but as I don't use windows very often I am not too sure it's what caused it. Oh, and when I am playing games everything looks OK (as in not jerky!). Any help appreciated!

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• Which Message Queue should I choose (must run on Linux)

  - by MHS

  There are many open source Message queues for Linux, and I need some help deciding what I should go for. My problem is simple - I get sent a list of files that needs to be processed. Each job can't be split up, but they are self contained and can be spread to multiple computers. I'm thinking of solving this using a message queue. Multiple clients send a message to a central queue. Each queue has a number of subscribers that will take jobs from that queue when they have finished processing the current job. Ideally it should have the following qualities Message queue must be able to store unprocessed messages in case of a shutdown/reboot A job can only be processed by a single subscriber (don't want duplicate jobs) The subscribers should be able to send jobs of their own, that will be processed by a different set of subscribers. Can anyone suggest a simple to use message queue?

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• SMTP port open - but not open

  - by Frederik Nielsen

  As some of you might know, I am setting up an exchange server. Now I ran into another problem: I cannot connect to the SMTP service from outside the server! The ports are opened in the gateway device (a ZyXEL USG50), Windows firewall is off. I see the packets travekl through the ZyXEL firewall, and I can also see the packets with wireshark on the server, so I know they are getting all the way in to the server. I also know it receives them, and sends out the reply - and this is where things go bad! Analyzing with wireshark, I get these errors in the return packets: Header checksum: 0x0000 [incorrect, should be 0x0779 (may be caused by "IP checksum offload"?)] And: Acknowledgment Number: 0x8e3337d1 [should be 0x00000000 because ACK flag is not set] What the (sorry my French) hell is going on? I really cant figure it out.. Thanks in advance.

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• Radeon 5850 Why am I not getting 3 monitors up as a choice ??

  - by Jan

  Ive just bought the top end ATI Radeon card with 2 normal monitor ports and a HDMI. The idea was to continue using my dual screen setup as always and to use the last plug, the HDMI on my TV. I got a new 52 inch HD TV with all the necessary bits. This should work fine. But.. in Display Properties I still get only my 2 monitors up as options. Not the Digital TV. When I unplug 1 monitor and restart the computer, I get the TV and the other monitor. But never all 3 at the same time. Why is this ? Where can I go to tell it that I need all 3 screens at the same time. Also I get a message saying my gfx card also gives sound through the HDMI cable.. But the TV tells me its recieving a sound format that it does not understand. Any ideas on that too while were at it ?

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• My Logitech G35 headphones aren't very loud on Linux (fedora 14) why?

  - by DarkMantis

  I have recently purchased a set of G35 headphones. They seem to be very loud when I use them on Windows, but when I try and use them on Fedora 14, they are very quiet and I can't seem to make them louder. I have obviously checked the sound settings in Gnome, and they are all up full. I have got ALSA-mixer installed but seems to make no difference. There doesn't seem to be any specific drivers for these headphones for Linux. Anyone know how to make them go a bit louder?

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• Django, wsgi, py. what's the difference?

  - by Kenny

  I'm trying to get a django application up and running on my cpanel system. I've installed mod_wsgi, and am following the guide here: http://www.nerdydork.com/setting-up-django-on-a-whm-cpanel-vps-liquidweb.html However, I'm now confused as I don't know what to do next. The application has .py files, and I am able to run it via this: python manage.py runserver 211.144.131.148:8000 However, that's via command line and binds to port 8000. I want to use Apache instead. The question is, that tutorial doesn't go further into how to get apache to recognize .py files and run the application as I want it. What do I do next?

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• Export GFI MailArchiver e-mails for import into Exchange 2010 SP1 Personal Archiving

  - by pk.

  We have an existing installation of GFI MailArchiver 5 with several databases of archives (perhaps 100-150GB). The goal is to export each user's archived e-mail and then import it into Exchange 2010 SP1 Personal Archives. GFI has a tool to do this, but it's very rudimentary and has severe, frankly unworkable, limitations. It only allows me to query based on the e-mail headers. Due to the fact that we have multiple aliases that may show in multiple headers (To:, Cc:), not to mention the fact that this won't cover a user's membership in a distribution group at a given point in time, this tool will not suffice. Another option is for me extract the e-mails from the GFI databases without using the tool, but this would require me to write my own tool to reconstruct them and I really would rather not go down that path. I feel very stuck on this issue. Has anyone here done a similar migration? How can this best be handled?

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• Wildcard DNS setting in Windows Server 2008 R2 DNS Server not working

  - by mattmcmanus

  We've got a windows server 2008 R2 DNS server that we are trying to setup a wildcard DNS entry in. So we want proxy.domain.com and *.proxy.domain.com to go to the same IP. Right now, it seems as if the windows server has registered the actual asterisk as the subdomain. So *.proxy.domain.com resolves to the right IP but something like login.proxy.domain.com doesn't. This seems to be a problem specifically with 2008 because we were able to get this working on a 2003 server. Has anyone come across this yet?

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• Windows Server 2008 R2 slows internet speed

  - by Tone

  I just installed Windows Server 2008 R2 as my main file server on my home network. I've noticed that often times when I start my day my internet connection speed is slow. I'll go to Speakeasy speed test and it'll be at about 25% of its normal speed. When I restart my Server 2008 machine it increases back to normal. It will stay normal until Server 2008 has been running for a while. Any ideas? Edit: I had installed Collabnet Subversion within the past week which installs/sets up some other stuff for web access, I just uninstalled it. I'll report back tomorrow if that fixed my problem.

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• How to troubleshoot down terminal service/CITRIX sessions, when the process just won't terminate?

  - by Chad

  Running a CITRIX presentation server farm, version 4.5.6 on Windows 2003 sp2. In the CITRIX Access Management Console, I sometimes get a session that shows it's in a down state - but has none of the normal info associated with it (user name, applications, client name, idle time, etc...). It does say which servers it's on, so I check out that server's terminal services manager. I can see the down session but cannot reset it. I get: (Error 7024 - the requested operation cannot be completed because the terminal connection is currently busy processing a connect, disconnect, reset, or delete operation.) So I go to the task manager and look up the processes running under that session id. I see it's one of my published apps, but when I try to end the process - it simply does nothing and the process remains. Any way to get rid of these sessions without a server reboot?

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• "php: command not found" after changing PHP system files in OS X

  - by Aurelien Porte

  I wanted to install Symfony on Mac OS X Lion. Apparently, as MAMP was already installed on my computer, there was a problem with the "timezone" field in the php.ini file. I can't remember exactly the error but basically, Symfony installation required a timezone like "Europe/Paris" but MAMP apparently changed that part. Well, it's very vague but I've seen on the web that other people had the same issue. So I tried one of the solution I found (without success) but: It didn't work. I can not use the php command anymore ("-bash: php: command not found"). I can not remember the exact commands I did to go back. Here are some potential relevant commands I found in my history and that correspond with the beginning of my problem, in this order: sudo mv /usr/bin/php /usr/bin/php-old sudo ln -s /Applications/MAMP/bin/php5/bin/php /usr/bin/php rm /usr/bin/php-old sudo cp php.ini.default /etc/php.ini rm php.ini but I don't know anymor in which repertory I was. sudo mv /usr/bin/php-old /usr/bin/php

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