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• Filtering semi-solicited spam

  - by Ketil

  While traditional UCE (get rich quick, enlarge your body parts, Nigerian barristers) are handled adequately, I'm still receiving a lot of not quite unsolicited spam. This is typically from commercial services forwarding "invites" from my "friends" and then "reminding" me of their services. Typical offenders are Facebook, Linkedin, dropbox, bebox, etc etc. (Of course, none of these services provide any way of opting out, except possibly by registering, which they will then take as an invitation to stuff your mailbox with even more crap) What is a good way to deal with these? I can of course junk them using procmail, but is it a better idea to e.g. bounce them, or at least send a reply informing the sender (and "friend") that I am not interested in their service nor their spam. Any solutions to this?

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• cpu usage nearly 100 constantly windows xp sp3

  - by user33882

  When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and when i start some other apps, the cpu usage of the new opened application is also very high.. this continues until i reboot the system. There is single particular process occupy more cpu. All the processes cpu usage is little high than normal.. Any solutions?

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• Is SCCM overkill for medium-sized organizations?

  - by Le_Quack

  I am an IT technician in a high school with around 1600 students 250 staff and 800+ client computers mostly running Windows 7. Our team is composed of three members. My boss seems content with a network that works (just about) not necessarily a productive well maintained network that is easy to run and maintain. I'm still fairly early on in my I.T. career so I'm not up to speed on all the different endpoint management solutions that are available. I'm looking for a better way to manage clients (deploy software, track changes, inventory etc) I like the look of SCCM 2012's features but the case studies seem to be aimed at large multi-site infrastructural rather than a single mid sized site. Is SCCM suitable for a mid sized single site or is it aimed at much larger corporations? How can I determine whether or not an endpoint management solution like SCCM is a good fit for our organization? EDIT: Thanks for all the help I'll take a look at SCE and SCCM and get some proposals drawn up to take to my boss/deputy head

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• Mutliple VMs for Tomcat cluster vs Multiple Tomcat instances on one physical box

  - by Greymeister

  I'm working on a project that will be implemented into production using a cluster of Apache Tomcat instances and I'm looking for the best Hardware/OS solutions and VMs have come up as one option. I have run ESXi/ESX instances before for development and testing, but I'm curious for a hosting environment if having multiple VMs is actually worse than just configuring a server to host multiple instances of Tomcat. These are my guesses: Pros for VMWare Easier Maintenance/Backup for individual VMs (VMWare makes this easy) Can remote login to individual VMs without having to give host access (security?) Easier way to re-purpose machine for OS/Hardware changes Pros for running on one Physical Machine Overhead of only one OS (also no VMWare footprint) Update OS/security changes once One less administrative layer (No VM expertise required) I'm curious if anyone has any other ideas about what the benefits would be for either option.

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• What is a good solution for an adaptive iptables daemon?

  - by Matt

  I am running a series of web servers and already have a pretty good set of firewall rules set up, however I'm looking for something to monitor the traffic and add rules as needed. I have denyhosts monitoring for bad SSH logins, and that's great - but I'd love something I could apply to the whole machine that would help prevent bute force attacks against my web applications as well, and add rules to block IPs that display evidence of common attacks. I've seen APF, but it looks as though it hasn't been updated in several years. Is it still in use and would it be good for this? Also, what other solutions are out there that would manipulate iptables to behave in some adaptive fashion? I'm running Ubuntu Linux, if that helps.

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• Windows 7 connect to Lion file sharing

  - by Automaton

  Trying to access my Mac from a Windows 7 computer, I fail with the infamous error 86 incorrect password. Now this appears to be a well-known problem with countless threads on the internet giving as many "solutions" as there are discussion threads about it (mostly ranging from installing third-party commercial samba servers, to switching to some other protocol, to compiling a plain-vanilla Samba installation - the latter which I will probably do when I give up this :) ) I am stubborn, and I believe there must be some problem here that can be solved or worked around, but there is surprisingly little detail about this problem. It appears to have something to do with a mismatch of authentication methods. Trying to run samba in debug mode: sudo /usr/sbin/smbd -debug -stdout gets me this output when trying to access it from Win 7 ... smb1_dispatch_one [smb_dispatch.cpp:377] dispatching SMB_COM_SESSION_SETUP_ANDX smb1_dispatch_session_setup [session_setup.cpp:261] FIXME erase existing sessions log_gss_error [gssapi_mechanism.cpp:97] gssapi: gss-code: Miscellaneous failure (see text) log_gss_error [gssapi_mechanism.cpp:113] gssapi: mech-code: unknown mech-code 22 for mech unknown What is the problem here, and how do I fix it?

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• Thunderbird segmentation fault problem

  - by Dariusz Górecki

  Hey all, my thunderbird crashes few seconds after it boots up regardless of in safe mode or normal, here is a strace log: http://pastebin.com/tccfYwcD I've searched google, ubuntu forums, and mozilla bug tracker about this problem, but any of found answers did not helped me :/ I've tried: nscd daemon install solutions posted earlier fresh clean instal of ubuntu 10.10 (32b) and thunderbird 3.1.7 from repos on a VM - problem still exists removed all thunderbrid related dot files and dot dirs, and setup profile from beginning Remove thunderbird and related stuff with apt purge, and install tb from official .deb package None of these steps helps me, tb still crashes with segmentation fault :/ I use gmail IMAP account, I've searched and found few other tips on google, but with no success. I've even tried to remove mails from web gui, that came after first notice of problem, still no luck. I'm not using any network fs, and not sharing this account with anyone, and I do not use filesystem or home encryption either just clean install :/ If You guys need some more info for this let me know. TB: 3.1.7 from repos and official package Ubuntu 32bit 10.10 with medibuntu repos, fully updated

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• Automatic driver search & update on Windows?

  - by Ben

  I have a Dell laptop issued by my employer, and I always find it a real pain to search for, download and maintain their drivers. It baffles me that there does not seem to be a nice way (product, website, ...) to just download the stuff you need, without hassle. The same goes for the other Windows based laptops in my direct environment. Are there any (preferably free) automated solutions available? Or do you have a nice workflow - other than searching the manufacturers website - to help smoothing this process?

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• cpu usage nearly 100 constantly windows xp sp3

  - by user33882

  When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and when i start some other apps, the cpu usage of the new opened application is also very high.. this continues until i reboot the system. There is single particular process occupy more cpu. All the processes cpu usage is little high than normal.. Any solutions?

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• Is it possible to create an SFTP drop box?

  - by Jordan Reiter

  I have a Windows server with folders accessible via SFTP (server is running OpenSSH). scp is blocked. I would like to copy files from a Linux server to the Windows server. SFTP seems like a good option. Ideally I'd like something similar to an FTP drop box, so that the Linux box could just copy files directly over to the Windows box. I'm also open to any solutions to this that would allow me to copy the files while offering the least amount of hassle. The language I'd be using on the Linux box is python; not sure if that factors in or not.

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• What are the best possible ways to benchmark RAM (no-ECC) under linux / arm?

  - by moul

  I want to test integrity and global performances of no-ECC memory chips on a custom board Are there some tools that run under linux so I can monitor system and global temperature in the same time ? Are there some no-ECC specific tests to do in general ? EDIT 1: I already know how to monitor temperature (I use a special platform feature /sys/devices/platform/......../temp1_input). For now : wazoox : it works but I've to code my own tests Jason Huntley : ramspeed : does not work on arm stream benchmark : it works and is very fast, so I'll look if it's accurate and complete memtest : I'll try later, since it does not run directly from linux stress for fedora : I'll try later too, it's too problematic for me to install fedora now I found this distribution : http://www.stresslinux.org/sl/ I'll continue to check tools that run directly under linux without too big dependencies, after I'll maybe give a try to solutions like stresslinux, memtest, stress for fedora. Thanks for you answers, I'll continue to investigate

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• Office jukebox systems

  - by Jona

  We're looking for a good office jukebox solution where staff can select songs via a web interface to be played over the central set of speakers. Must haves: Web Interface RSS / easy to scrap display of currently playing songs Ability to play mp3s and manage an ordered playlist. Good cataloguing of media. Multiple OSs supported as clients - Windows, Mac, Fedora Linux (will probably be accomplished by virtue of a web interface). We have tried XBMC which worked well as a proof of concept however the web interface is just too immature and has too many bugs for a reliable multi-user solution. I believe the same will be true of boxee. Nice to have: Ability to play music videos onto a monitor Ability to listen to radio streams specifically Shoutcast and the BBC. Ability to run on Linux is a nice to have but windows solutions which worked well would certainly be considered. I am aware of question 61404 and don't believe this to be a duplicate due to the specific requirements.

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• How to archive Exchange mailboxes remotely?

  - by amyassin

  We have an environment that is based on an Active Directory domain (running Windows Server 2003 SP2), an internal email system using Exchange Server 2003 (internal mailbox, nothing online), and the clients run a mixture of MS Outlook 2007&2010, with the majority running 2007. Recently we noticed that Exchange server is taking so much space for mailboxes. We are examining some solutions to reduce space, and it seems that we could make use of the archiving feature to archive older messages. I can set the auto-archive option manually for every individual user, but is there any other easier way to automate that task? Is there any feature in exchange server or active directory domain that enables setting that as a kind of policy or something similar, or a script to be scheduled to run by all users?

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• Distributed Server Monitoring Solution

  - by MaterialEdge

  I belong to an independent IT firm that manages and maintains about 50 business clients networks, ranging from small 5 system networks to 200+ systems. Because we are unable to directly monitor each server at these locations (distributed over a very large area) on a regular basis I am looking for a method to monitor and alert us to any problems that may arise so that we can respond quickly with, hopefully, preventative measures. I'm not sure what solutions are available for this type of situation, but something that utilizes a central server at our business with all client servers sending alerts or logs to it for daily monitoring might work best. All these servers are running a Windows Server OS. In your opinion, what would be the best course of action to accomplish this?

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• How to install a "virtual" network card on a virtual server?

  - by vikp

  Hi, We have purchased an unmanaged VPS windows hosting solution from one of the UK based companies. We have Windows Server 2008 Standard Edition. We need to install certain third party applications on that server. Unfortunatelly, one of the applications requires a MAC address to be present at all times - this is their way of making sure that software is not pirated (which it isn't). We have tried installing a virtual loopback network card, but this has brought the server down - i.e. we couldn't connect using remote desktop any longer. At the moment we are limited with what we can try. This is an unmanaged solution, therefore any support including restarts is rather costly. Are you aware of any low-risk solutions? Thank you

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• Gnome 3 - Unable to change date and time

  - by Chris Harris

  I am running Arch Linux with Gnome 3. Unfortunately, although my time and date settings in /etc/rc.conf show that HARDWARECLOCK='UTC' and TIMEZONE='America/LosAngeles'. I continue to get the timezone of Europe/London. If I try to change the date and time via the GUI. It requires root access. After authorizing root access, the date and time may be changed; however, after closing the GUI window, it automatically reverts back to the previous incorrect timezone. I am able to use pool.ntp.org in order to sync my time to the correct one; however, this works only for the current session and is not fixed. This solution is inconvenient since there is not always network access. What other solutions are available for this problem?

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• Keepalived with apache unable to bind interface on Backup server

  - by davideagle

  I have two debian 6 servers running keepalived 1.1.20 with one server acting as a Master and the other as a Backup. Both servers host apache 2.4 that have a global Listener on all interfaces on port 80 (Listen *:80) how ever I have some sites that require a listener for port 443 (SSL) and that is configured for each VirtualHost in the Apache config since I do not want every VirtualHost to listen on port 443. The problem is when I try to start Apache on the Backup machine that does not hold the virtual interface the VirtualHost is supposed to be listening on, I get AH00072: make_sock: could not bind to address 1.1.1.1:443. I know this is expected behavior of Apache. The real question is are there any known workarounds or solutions to this scenario?

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• Best technique for reusing a Windows system image across configurations

  - by Martin Wiboe

  We are a small company that provides solutions for ventilation systems. Part of the solution is a "controller" which communicates with the ventilation equipment. These controllers are simply Dell computers that come with our Windows 7 system image on them and sometimes some special hardware. We typically do a batch of 10 controllers at a time. We have been using Norton Ghost to apply the system image, but this process breaks because Dell changes the system configuration often, and our Windows image now does not contain the correct drivers. This is especially a problem when they change the RAID controller. To improve this, I see 2 options: use some kind of virtualization and install a hypervisor on each PC. This would solve the driver problem, but probably cause trouble with our special hardware. use some method of adding the proper drivers to our Windows image in offline mode. I haven't got much experience in either of these approaches. How would you solve our problem?

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• Proper way to connect SATA and IDE Hard drives together?

  - by Bartek

  I have an old IDE hard drive that has a broken Windows install on it. It just won't boot up, and I've tried a variety of solutions. That's fine, I really just need a few files on the hard drive. I have a computer that uses a SATA connected hard drive. It's a working PC. I would like to connect the old IDE hard drive to that compute and basically browse through the file system, grab the files, and copy them to my existing computer. My problem is with my few attempts to connect the IDE drive I would get Boot Disk Failures and so forth. I guess it's trying to boot from the IDE but I'm not really sure. Any help would be appreciated, Thanks!

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• How can I enforce directory space limits in a OpenVPZ system?

  - by George

  The title says it all. I have some programs on a server (centos4-openvz) that use a directory as temp directory - but pay no attention to the size it grows. I want to enforcee a limit, like this folder cannot exceed 300mb. I would use quota but OpenVZ does not support loop devices to mount a file as such. Any other solutions? (apart from scripting a periodic delete of files in the directory). Editing the application's code to implement such a functionality is not entirely out of the question - if it can be done easily and no other ways exist.. Its written in cpp - but I don't know how to implement it.

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• Internet problems

  - by dan

  I've got problems on my freshly installed windows Xp machine. I cannot connect to the internet and I've tried various 'solutions' provided to me by the help and support center. Surprisingly none of them worked... Anyways, I've got 3 pc's next to me sharing a lan which is connected to the internet though a modem. The computer I use right now uses windows xp aswell and runs without any problems. I've tried everything on not working computer. I've ran the connection wizard several times, but it's not working :( Also I've very little experience with this version of windows, so I'm sorry if the solution is obvious.

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• Kindle for PC - page loading problems

  - by Andrew Heath

  When viewing books in Kindle for PC, often going to the next page will change the line count at the bottom of the screen but not refresh the page view. Then, if you hit next again, you end up on the next next page (+2 rather than +1). This happens to me going backwards as well. Using arrow keys, or mouse clicks, or page down/up all creates this error. There doesn't seem to be any pattern to the occurrence other than "frequently". It happens on my Win7 64 bit and Win XP machines. I've only one Kindle book at the moment, PHP Object-Oriented Solutions by David Powers, so I suppose it could be a problem specific to that book. Does anyone else have this issue? It is extremely irritating to be constantly flipping back and forth just to get the page view to show the proper page.

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• How to manage a large email delivery volume from a Email Marketing App ?

  - by Newtonx

  We provide Email Marketing service through our online Application. We have about 30 customers. And each one has it's own mailling list (5k to 100k emails each). What we really want is to distribute email's delivery between 2 or more servers. I was wondering What kind of aproach/solutions MailChimp , Constant Contact uses to provide a great service ? use many servers ? many IPs ? Our spam policy suspends ANY user/customer that gets 10% bounced . We currently rotate our outgoing Mail Ip once deliveries limit per remote host is reached. Is it the best approach/solution ?

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• How to manage a large email delivery volume from a Email Marketing App ?

  - by Newtonx

  We provide Email Marketing service through our online Application. We have about 30 customers. And each one has it's own mailling list (5k to 100k emails each). What we really want is to distribute email's delivery between 2 or more servers. I was wondering What kind of aproach/solutions MailChimp , Constant Contact uses to provide a great service ? use many servers ? many IPs ? Our spam policy suspends ANY user/customer that gets 10% bounced . We currently rotate our outgoing Mail Ip once deliveries limit per remote host is reached. Is it the best approach/solution ?

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• USB connection issue

  - by user1664417

  Currently Im facing an issue when Im trying to connect any usb flash drive to my pc. ok, below is what happens to me: 1) I can connect usb keyboard and mouse without any issue. 2) however when i connect usb flash drive, there are 2 situations that are occuring randomly a) there is no usb drive mount in my computer, when device manager is checked, it shows error code 10, but is shown in disk management. b) my computer will have usb drive mounted, but when I click on it, it is empty. on right click the properties, the disk space show 0. (there are files within the usb) what i have done is: 1) run CCleaner to repair the registry, restart and try, but still not working. 2) uninstall the drive in device manager, restart and try, but still not working. 3) tried the port that connects mouse and keyboard, but does not work. anyone who experienced these problems before please guide me. any suggestions or solutions would be greatly appreciated. Thanks, Tony

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