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• Problems with SCP stalling during file copy over VPN

  - by MattC

  I have a series of files I need to copy via SCP over a VPN to a remote linux server each night. The files are not large, we're talking about tens of megabytes here, but the file copy almost always stalls after a few seconds. Running the SCP command with -vvv, I see the following over and over throughout the attempted copy process: debug2: channel 0: rcvd adjust 131072 debug2: channel 0: rcvd adjust 131072 debug2: channel 0: rcvd adjust 131072 Any thoughts? I see this question being asked in various places out there, but never any answers. Any help would be appreciated.

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• Remote control a computer using another computer

  - by Dean

  I've got a main desktop computer at home, I'd like watch movies using it but able to control it afar. For example, I would like to lay on my bed and control the desktop using my own laptop via wireless. I've been looking for solutions to my question. I tried to use remote desktop, I can pause the movie but I then have to go to the pc to log in the OS again. I also tried to bind my desktop to my mobile phone over bluetooth, this works as I can control the mouse etc. but I found I can barely see the mouse pointer when at long distance. I still wish I can use my laptop as a remote control, is this possible?

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• Is it a bad idea to run an asp.net app pool with the same identity as IIS's anon user?

  - by Andrew Bullock

  Subject says it all really, Thinking on security terms, I want to give each site on my server its own user account, so that they can't access each other's data. I also want to use integrated authentication for sql so i dont have any passwords knocking about in connection strings. Is it a bad idea to use the same account for the app pool identity and the anon user account for iis (im interested in answers for both v6 and 7)? Edit: ive seen this post describing how IIS7 allows you to automatically use the same account, but the question of whether its a good idea or not remains ;) If so, why? Thanks

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• Videoediting slow on windows with HD footage in fileformat .MOV

  - by Joakim

  Hi, My camera a Canon 5D mark II serves me .mov files in HD - but these are a pain in the neck to edit on my pc. I have tried Premier, Vegas, Pinnacle etc - but it is almost impossible to edit and do a movie. I do have a good computer with windows7 but that doesnt help me, and I dont want to buy a new monster pc just for that task. Question: I could manage to convert the files, but what would be the best format? I dont want to loose to much quality. Anyone have any ideas? Best regards, Joakim

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• setting domains

  - by allenskd

  I'm setting a local webserver to do a lot of web development work from now on. I'm not really knowledgeable in hosting configuration. Thing is I just added mydomain.com in /etc/hosts that's fine but what's the next step? TI need to use the wildcard on *.mydomain.com, so I'm figuring I need to add my zone in bind, is this correct? so I can make use of virtual hosts in apache and in play-framework Everything will be local, but once in a while I want to make public of my webserver to certain people using the no-ip service, in windows I've done it, in linux I don't know if it's any difference. The question is pretty much if I'm configuring it right or not? If this sounds confusing let me know, I'll try to detail it more

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• Linux : Forward users mail using exim4 server (newbiw warning)

  - by llazzaro

  Hello, I have a network of linux server, one of them is running exim4 that server could send [email protected]. At exim4 server, I had setup an alias for the users accounts ...for example root : [email protected] But I have other server, if I put the alias email is marked as spam...since they arent using exim4 server. I want to configure the other server to use that exim4 server, in order to dont get the mails mark as spam. Well I know this is really newbie question, but searching at google is difficult since it confuses exim4 server configuration than the client configuration to use exim4 server. Remember, I want root@server1,root@server2,etc mails send via exim4 server!

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• Solarwinds SDK/customisation

  - by Shane

  Hi, Sorry if this is the wrong place to post, but it is a hybrid serverfault/stackoverflow question. I've been directed to take a look at Solarwinds, which is an excellent network monitoring solution, for an internal project. Basically we want to write our own panel to display information custom to our network infrastructure. Has anyone done anything like this, or know if there is a plugin SDK giving developer access? [edit:] Also, if anyone knows of any other Solarwinds-type open source network solutions, please let me know. Cheers, Shane

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• Zantaz's EAS exchange archive product doesn't integrate with Outlook in Windows 7

  - by Chris Farmer

  I work at a place that uses Exchange with Outlook for mail, and they also use a product from Zantaz called "EAS" which does server-side archiving of old messages. One of the artifacts of this archival is that email attachments are missing from the archived messages when viewed in Outlook. EAS has a client tool that plugs into Outlook that enables easy retrieval of those archived messages and their attachments, but it doesn't seem to work when installed on Windows 7. I have no direct evidence of this, other than that it simply doesn't work on my Windows 7 machine, and some of our network support staff seem to corroborate this. The symptom is that Outlook seems to know nothing of the existence of this EAS app. The EAS app also has a system tray icon which is there and offers some minimal functionality, but the real goodness is the Outlook integration, which I sorely miss. So, my question is this: does anyone here know whether it's possible to coerce this EAS product into working correctly in Windows 7?

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• how to bypass internal DNS?

  - by fabjoa

  This is about Ubuntu but should be pretty much the same on all Linux flavors. Let's say I add an entry to my /etc/hosts such as 127.0.1.12 facebook.com and an Apache virtual host such as <VirtualHost 127.0.1.12> ServerName facebook.com DocumentRoot /var/www </VirtualHost> when i open my browser and send a GET request to facebook.com, firefox will browse my /var/www folder. Question: How could I fetch (ie, using wget in bash) the real facebook.com domain - without erasing the entry in /etc/hosts nor my Apache VirtualHost -- IOW how could I bypass internal DNS?

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• Grep a strange acirc character

  - by John Hunt

  I have this character appearing in places in some files I have:  (if you can't see it or it looks like a question mark it's the Acirc character (capital A with a circumflex over it)) I simply want to grep replace this char with a space, however when I do this: grep --color -ri  myproject.php Putty gets very confused, as does grep. As I understand it there's probably a way to use an escaped hex code with grep.. does anyone know how? EDIT: The character is showing up on my web page as a weird <?>. The http headers for the page specify utf-8 as does the meta character set and I still see the strange character. In putty it appears as a space (putty also set to utf-8.) When I copy from vim and paste into grep it simply doesn't find it. Cheers, John

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• Will my system fsck when I reboot?

  - by Tom Newton

  ...and how do I find out? Say I am about to reboot a server. I would like to minimize downtime, so thinking about wrapping reboot in an alias that says "hang on buddy, you're going to hit a fsck on boot". Next question.. what's the best way to say "lets do it next time?" set the last check date? I know tune2fs can set a bunch of parameters, but how would I get em?

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• lsass.exe memory leak on windows 2003 server

  - by thelsdj

  In the past month or so I noticed that lsass.exe has started to leak memory, getting to 500MB+ of ram in under a week after reboot. Before this I had never noticed it using any significant amount of memory compared to other processes on the system. This is happening on 2 identical servers, neither of which has anything to do with Active Directory. Maybe a recent Windows Update has caused this? Any thoughts on things to check? As a side question is there some way to recycle the memory usage of lsass.exe without rebooting? Edit: Here is what I'm seeing in Process Monitor, there are thousands of registry open/query/close a minute from lsass.exe. How can I track down what is triggering these?

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• Why would Firefox not be able to visit Google anymore?

  - by Edward Tanguay

  Lately I've noticed that my Firefox Browser was taking a long time when I would search Google, e.g. 3 seconds before I would see any results. If I search for a three-word phrase, it just hangs trying to connect: I removed all add-ons but it still does this. I thought it might be something with my router, but Chrome, Safari, Opera and Internet Explorer all work fine. Bing works fine in Firefox. Here's my Firefox version information: Otherwise I can still use Firefox, e.g. I'm using it to post this question, but I do notice that when I browse with it, images are often "broken" for a split second before they appear, as if it is having a hard time pulling them from a remote server. Other browsers don't do this. What could be causing Firefox to hang when searching Google?

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• Setting a custom timeout to nmblookup

  - by C2H5OH

  As part of a batch script, I have the following command: hostname=$(nmblookup -A $ip_address | awk '$2 == "<20>" {print $1}') Which works fine from a functinality perspective, even for unresolved hosts. The problem is that when the IP address is not reachable or the remote machine does not respond to the SMB request, the command takes about ten seconds to complete. Therefore, the question is simple: is there a way to lower the elapsed time in such cases? Or, in other words, is there a way to set a custom timeout for the nmblookup command? NOTE: I'm interested in solutions that do not make use of SIGALRM or similar mechanisms; if they exist. The nmblookup version is 3.6.3 from Ubuntu 12.04 LTS.

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• SCSI direct-access device appears as multiple lun's

  - by unixdj

  I have a similarly described problem to this question: http://superuser.com/questions/90181/same-scsi-drive-appears-multiple-times-on-the-controller-list where a SCSI direct-access device appears as multiple lun's, when it should only be one. The device is a SCSI-1 device, the SCSI controller card is an Adaptec AHA-7850 (rev 03), and system is PC / Linux 2.6. This device worked fine with RHEL4, and appeared as a single device / lun when the OS booted, but I've just tried plugging the device into a newer Linux disto (CentOS 5.4) and it now sees the device as 8 luns; with consequently 8 device files /dev/sgb to /dev/sgi. Any clues of how to figure out where the problem / fix is, would be great.

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• Copying files from NAS to NAS drives

  - by user1001421

  Very simple question. I've got 2 NAS drive that are "wire" connected via a router. If I have a wireless laptop and request a large amount of data be copied from one NAS drive to the other, does the network traffic go direct from the one drive to the other, going via the wired network, or does the network traffic go via my laptop, if you see what I mean. IE. From the NAS drives wired network, to the wireless network and then back to the wired network. Is this a common bottle-neck when copying a large amount of data? And if so, is there a way to avoid it. Thanks.

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• How to enable catch-all email in iRedMail Open Source edition?

  - by Matthias

  How to create catch-all email alias for domain in iRedMail Open Source edition? I know that's possible via LDAP and found the following instructions: http://iredmail.org/wiki/index.php?title=Addition/OpenLDAP/Catch-all The problem is how exactly to add this parameters via phpLDAPAdmin? I select "Create new entry here" and choose mailUser type. Then in step 2 first question is about "RDN" with select box "select RDN attribute". What should I choose as RDN? Which fields of the "Create Object" form should be filled? Unfortunetly there is completely no validation of user input and final errors does not contain explanation what's wrong Also when I try to import example from iredmail wiki phpldapadmin it gives LDIF Import Parse Error Description: A valid dn line is required [] dn line is: dn: [email protected],ou=Users,domainName=mydomain.eu,o=domains,dc=myserver,dc=pl

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• Why does Mac OS X ignore my Windows NTFS and Share permissions?

  - by Michael

  Mac OS X Snow Leopard Windows Server 2003 Windows Folder "Videos" Share Permissions on Videos - Everyone NTFS Permissions on Videos - System (Full Control) - Domain Users (Modify) - Domain Admins (Full Control) Mac user Michael is a part of the Domain Users group. He connects to Videos using cifs://server/Videos and authenticates with his username Michael. Michael copies over a file "dance dance baby.avi". User Jon opens the Videos folder but cannot see the dance dance baby.avi file. Checking the dance dance baby.avi file permissions here is what I see: Everyone - Read, Write Domain Admins - Full Control Michael - Read, Write Owner of File - Michael So here's my question, how come when Michael copies a file over from a Mac, the permissions on the file get changed even though Michael has no rights to change permissions? If the same file is copied over from a Windows machine, it just inherits the proper permissions from the parent Video folder. Am I missing something? Are my permissions wrong? Thanks. Michael

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• Requiring SSH-key Login Via PAM From Specific IP Ranges

  - by Sean M

  I need to be able to access my server (Ubuntu 8.04 LTS) from remote sites, but I'd like to worry a bit less about password complexity. Thus, I'd like to require that SSH keys be used for login instead of name/password. However, I still have a lot to learn about security, and having already badly broken a test box when I was trying to set this up, I'm acutely aware of the chance of screwing myself while trying to accomplish this. So I have a second goal: I'd like to require that certain IP ranges (e.g. 10.0.0.0/8) may log in with name/password, but everyone else must use an SSH key to log in. How can I satisfy both of these goals? There already exists a very similar question here, but I can't quite figure out how to get to what I want from that information. Current tactic: reading through the PAM documentation (pam_access looks promising) and looking at /etc/ssh/sshd_config.

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• IPcop Multiple WAN Subnets

  - by obsidian

  We have an IPcop firewall and have had no issues with it. We've had a block of 10 IP addresses from our colocation provider and have been able port forward from those to internal servers as needed. We've recently needed additional IPs and the colocation provider issued an additional block of 10. The problem: The 10 new IP addresses issued are in a different subnet with a different gateway. The question: How do I add the new gateway into IPcop? How do I make it so that any outbound traffic in response to any inbound traffic from a new IP go back out through the new gateway? I attempted to add a static route via the console using the following command: route add -net x.x.x.x gw x.x.x.x netmask 255.255.255.192 I also added the new IPs as aliases and setup port forwarding as I've done with the existing IP block. However, when I attempt to access a web server from an external workstation, it just times out. Thanks in advance for your assistance.

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• Justifying a memory upgrade

  - by AngryHacker

  My employer has over a thousand servers (running SQL Server 2005 x64 and a couple of other apps) all across the country. And in my opinion they are all massively underpowered for what they need to do. Specifically, I feel that the servers simply do not have enough RAM for the amount of volume the machines are asked to do. All the servers currently have 6GB of RAM. The users are pretty much always complaining about performance (mostly because, immo, the server dips into the paging file quite often). I finally convinced the powers that be to at least try out a memory upgrade on one box and see the results. However, they want before and after metrics, so that they can see that the expense will be justified. My question is what metrics should I collect to see whether the performance truly improves on the box? I am a dev, so I am not sure how and what to collect (i have a passing knowledge of Perfmon).

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• VMWare ESX Updates - Which to Apply?

  - by Aaron Alton

  Wondering what more experienced ESX admins typically do... I just brought our ESX hosts up to 3.5 Update 5 (Yes, I know we're behind still). I then applied the "Critical Host Updates" baseline in VMWare update manager, and found that we're still short on 14 "critical updates". My question is, do most people go ahead and apply any update flagged as critical, or do they evaluate each update one-by-one to determine whether or not the issue that has been addressed is likely to affect them. In the SQL Server world (my alma mater, so to speak), we regularly apply service packs, and sometimes cumulative updates, but we only apply hotfixes when the issue that they are targeted towards affects us. Does the same logic hold fast in VMWare land?

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• Hard disk problem pop up warning

  - by Leonardo

  I'm using windows 7 ultimate and it started to give me this hard disk problem warning that i had before in another OS that made me disable smart, it has been over a year since i did and my pc is running ok so my HDD is ok. all i wanna do is disable this warning that popsup while i'm gaming or doing anything else. thanks for your help :) Edit: (adding in info that was added as an answer instead of part of the question) So it's me again and i agree with both answers but i don't have the money right now to buy a new one, and yeah it could die now, i can't say. so i uploaded an image of hd tune pro scan on my HDD thanks again! anymore information would be even better, bye.

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• Brainstorm: Flood/DoS/DDoS Attack prevention ideas.

  - by Gnarly

  This is not a question asking how to stop an attack. This is simply a thread for anyone and everyone to discuss ideas for preventing, dealing with, and keeping your server alive during these attacks. Do not discuss using 3rd party software, this is a place to make your own ideas and read others. Post examples if you'd like. Post ideas how to filter out flood attacks. Post ideas how to keep your server alive while being under a heavy DDoS attack.

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• Files Corrupted on System Restore

  - by Yar

  I restored my OSX today by copying the system over from a backup. Most things seem to be working, but every single GIT repo gives pretty much the same error fatal: object 03b45161eb27228914e690e032ca8009358e9588 is corrupted I have tried chowning, doing everything as sudo or root... I have no idea what to try next. This would be a normal git question except that it's on many repos. Ideas? Note: I'm using git 1.7.0.3 and I was probably using 1.7.0 before. Edit: Tried with 1.7.0.2 and it made no difference. Edit: Even when copying any of the repos I get this strange message cp: .git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: could not copy extended attributes to /eraseme/Pickers/.git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: Operation not permitted

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