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  • Disable the "smoke" in SmokePing for multihost

    - by Tuinslak
    Hey, I'm running SmokePing to monitor the latency to several machines. I have been playing around with the multihost feature, allowing me to draw stats of multiple machines in one graph. However, on the details page, smoke is being drawn as well, resulting in this: Is there a way to disable this? As it makes the graph pretty much unreadable. Smoke is enabled for the stats per server, so it's duplicated data here.

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  • good books about server architecture?

    - by ajsie
    when the traffic for a website grows i dont think one apache server in a vps is the way to go. i would like to know more about how i then should set up the server side architecture. im not that much into hardware stuff (what kind of cables to use, different cpu architectures etc), but interested in the software architecture: what servers (apache, nginx, squid, varnish etc) to use and how they interact with each other one server in one machine? how many mysql servers. how many apache, nginx servers and so on. how the "machine court" looks like. are there any good books about this area?

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  • USB 3 to Gigabit Ethernet adapters: where are they?

    - by intuited
    I'm looking for an adapter that will let me use a USB 3 port as a Gigabit Ethernet port. This is proving surprisingly hard to find! Is there some reason why this product is either unavailable or very obscure? Is there an online shop (US/Canada) where I can buy such an item? Newegg, TigerDirect, NCIX, etc. do not seem to carry such an item. I find this surprising since it will provide at least double the bandwidth (possibly quadruple) compared to a USB 2 Ethernet adapter.

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  • Sharing wifi connection

    - by andser
    I have some little problem while sharing wifi connection. I have 2 laptops. I need connection scheme like this: laptop1 [wlan0] >>>>>>>> laptop2 [wlan0] (in ad-hoc mode, as ap, etc) >>>>> laptop2 [wlan1] >>>> internet. laptop1 [wlan0] connecting to laptop2 [wlan0]. laptop2 connecting to internet through wlan1. Is it possible? OS: Ubuntu on both machines I tried this man (setting laptop2 wlan0 in ad-hoc mode): https://help.ubuntu.com/community/WifiDocs/Adhoc#Network_Manager laptop1 connects to laptop2, but can't access to internet.

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  • Printer in a AD double side print problem

    - by Spidfire
    ive got a printer in my Active directory but its standard set to double sided printing but the problem is the printer doesnt support that so you have to switch it manualy Ive found the setting for the user but it is automatically set to the original value if you reboot Where can i find the setting in the active directory ? the printer is a :HP Color LaserJet CP1510 Series PCL 6 (its possible that there is a script for this but i dont know where to look)

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  • Debian Squeeze - Monitor outgoing traffic

    - by Sam W.
    I have a small webserver that running on Lighttpd 1.4 which steadily uses 250GB or less bandwidth for the past couple of months. But since May the traffic spikeed to more than triple of what it was. Nothing special was on my site to make its spike like that. When I checked with vnstat I found that 70% of the bandwidth is tx. I suspect I've been hacked and my webserver is becoming some sort of bot. ClamAV comes out with nothing and I already replaced the Joomla installation with a fresh one, early in June. But right now the traffic stayed the same. My question, how can I monitor my server and look what is transmitting all that data out? My need to be done to pinpoint what is the culprit. Can someone please point to the right way to solve this? Thank you.

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  • Enable (or work around) Administrative shares in Windows 8

    - by Brado
    So in using Windows 8, I've discovered that the administrative shares are disabled. There seems to be no easy way to get them re-enabled. Is anyone aware of a work around, or solution? I did not have this issue with Windows 7 After disabling UAC. However in Windows 8 this still doesn't work. This is all I could find, however I am not satisfied with the information provided. http://www.computerperformance.co.uk/win8/windows8-administrative-shares.htm http://www.tomsitpro.com/articles/windows_8-file_sharing-windows_administrative_shares,2-195.html

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  • Network external hard drive reports not enough free space

    - by mzhang
    I'm running an Ubuntu (10.04) Samba server on a local network. The server has a 50GB internal drive with only 24MB free. I've shared a folder /samba from that drive. I also have a 1TB NTFS external hard drive mounted to the system. There is a symbiotic link from the Samba shared folder on the nearly-full internal drive to the plenty-of-free-space external drive (i.e. /samba/external_hd). I wish to copy a 3.25GB folder into the (remote) external hard drive, via a Mac (10.6.8). The Mac reports (correctly) that there's 24MB free on the server, and so will not let me copy the folder on the Mac over to the external drive (dragging the folder into /samba/external_hd), failing with a "server does not have enough free space" error. However, it seems that I can still scp the folder into the external drive, via the symbolic link. Is there a reason as to why this is happening (and are there any ways to prevent it)? Is this even good practice (to mount a drive and link into the directory)?

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  • What is the best way to migrate to a new file share in a new domain?

    - by cbattlegear
    I am looking to move a file share (100 GB or so) from one domain/server to a new domain and server. I would like to do this with little to no downtime and if possible I would like to be able to map permissions from the groups/users in the current system to groups/users in the new domain. A side question, a large number of the files in the system are office documents with hard links to the old file server. Any way to programmatically change all those links to the new file server?

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  • identify a router that cuts certain port

    - by Sergiks
    Is there a way to identify which particular router between me and some server blocks connections on certain port? I am in a hotel in Thailand, where they have recently changed some settings in their equipment, and now I cannot reach any of my servers in Europe and USA by SSH / port 22. More traditional ports like 80 or 21 are open. traceroute command shows each particular router in the middle. But is there a way to identify one that filters out port 22?

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  • A Single wireless network is not showing up in Ubuntu that used too, and other devices have no issue finding or connecting to it

    - by Kit Sunde
    Up until about a week ago I could connect to my wireless, but now I suddenly can't. Every other wireless in the area show up in the network manager. My kindle can connect to it, my friend can connect to it (in windows) without having connected to it before. My other netbook (Samsung NC10) can connect to it, but my other Samsung N150 now cannot even see it. I have tried deleting the old auto entry for it in the network manager Tried disabling and enabling both the networking and the wireless through the network indicator. Disabled the networking through the hardware shortkut key thing [fn] + [F9] Attempting to connect to it as if it was a hidden network. I'm at a loss, how would I go about debugging and unborking my computer?

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  • How to find the reason for a weekly downtime on an Ubuntu web server hosted by AWS?

    - by IceSheep
    We started monitoring our web server using Pingdom and found out that we have a downtime of a few minutes every Sunday at 0:00 UTC. The test runs every minute and checks if a successful HTTP response (code 200) is returned on port 80. The test fails due to a timeout (no response after 30 seconds). Here's what we've already checked – without success: Since we run our webserver behind a load balancer, I've set the Pingdom test on the load balancer's public DNS and the webserver's public DNS in order to find out if there's a problem with the AWS load balancer – both tests return the same result We set up Munin on our webserver. Everything looked fine even after the failure. Since the last failure lasted only 2 minutes I suppose Munin couldn't capture a potential problem (it only checks every 5 minutes) I have checked /var/log/apache2/error.log and /var/log/syslog for suspicious entries I have checked /etc/cron.weekly and /etc/crontab for suspicious entries I have searched for files created or last-modified during 0:00 and 0:15 using this method: touch -t 201209020000 start touch -t 201209020015 end find / -newer start -and ! -newer end (nothing found) Has anybody experienced a similar problem? Any proposals on how to find the reason for this behavior? It's Ubuntu 10.04 LTS running on an AWS m1.large instance. Thanks!

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  • Does Mac OS X throttle the RATE of socket creation?

    - by pbhogan
    This may seem programming related, but this is an OS question. I'm writing a small high performance daemon that takes thousands of connections per second. It's working fine on Linux (specifically Ubuntu 9.10 on EC2). On Mac OS X if I throw a few thousand connections at it (roughly about 16350) in a benchmark that simply opens a connection, does it's thing and closes the connection, then the benchmark program hangs for several seconds waiting for a socket to become available before continuing (or timing out in the process). I used both Apache Bench as well as Siege (to make sure it wasn't the benchmark application). So why/how is Mac OS X limiting the RATE at which sockets can be used, and can I stop it from doing this? Or is there something else going on? I know there is a file descriptor limit, but I'm not hitting that. There is no error on accepting a socket, it's simply hangs for a while after the first (roughly) 16000, waiting -- I assume -- for the OS to release a socket. This shouldn't happen since all prior the sockets are closed at that point. They're supposed to come available at the rate they're closed, and do on Ubuntu, but there seems to be some kind of multi (5-10?) second delay on Mac OS X. I tried tweaking with ulimit every-which-way. Nada.

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  • Does Mac OS X throttle the RATE of socket creation?

    - by pbhogan
    This may seem programming related, but this is an OS question. I'm writing a small high performance daemon that takes thousands of connections per second. It's working fine on Linux (specifically Ubuntu 9.10 on EC2). On Mac OS X if I throw a few thousand connections at it (roughly about 16350) in a benchmark that simply opens a connection, does it's thing and closes the connection, then the benchmark program hangs for several seconds waiting for a socket to become available before continuing (or timing out in the process). I used both Apache Bench as well as Siege (to make sure it wasn't the benchmark application). So why/how is Mac OS X limiting the RATE at which sockets can be used, and can I stop it from doing this? Or is there something else going on? I know there is a file descriptor limit, but I'm not hitting that. There is no error on accepting a socket, it's simply hangs for a while after the first (roughly) 16000, waiting -- I assume -- for the OS to release a socket. This shouldn't happen since all prior the sockets are closed at that point. They're supposed to come available at the rate they're closed, and do on Ubuntu, but there seems to be some kind of multi (5-10?) second delay on Mac OS X. I tried tweaking with ulimit every-which-way. Nada.

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  • Best practice for migrating Shares and Permissions?

    - by TryTryAgain
    We have a Windows 2008 R2 server which is replacing an old Windows Storage Server. The datastore is attached via iSCSI so I do not need to transfer any data. The iSCSI connection is setup on the new machine, and now I'm wondering: How should I transfer the shares and permissions? Do I use PERMCOPY for permissions or is there something better as of Windows 2008 R2 (compared to Windows 2000): PERMCOPY //SourceServer ShareName //DestinationServer ShareName Is exporting/importing registry still a valid option? from: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Shares Any help/tips would be greatly appreciated.

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  • Problem to connect to shared printer

    - by PeterMmm
    Maybe someone knows a reason for following behaviour: I'm going to add a printer thru the normal printer wizard. At the step where to connect to a shared printer i select browse and take a printer from the printers attached to another host. That won't work. But if i write the complete address (\\host\printer) the printer get attached. Any idea why i cannot select from the list ?

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  • A duplicate name has been detected on the TCP network

    - by MSedm
    When I installed my domain controller and DNS, I had 2 NIC on the server. Both NIC has its own IP address. NICs are not teamed, they are seperate and ip address are in the same subnet. Both IP address are now registered in the DNS. i found them in Forward and reverse lookup zone. Everything working ok except the following error in the event log. "A duplicate name has been detected on the TCP network......" Now I have realized that this is because of the second NIC. My question is if i disable the second NIC, what happen to those DNS record assiciated with the second ip address? How do I remove all the DNS recored for the disabled NIC? There are A record, some record with the name (same as parent folder), PTR record and may be more. How do i disable second NIC and remove all the associated DNS recoreds? Please help.

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  • Proper set up shared folders for users

    - by user221486
    First I would like to say thanks for helping, and I have huge problem with proper set up permission for shared folders. I have Windows 7 x64 ent. - name: backupfb - added to domain with shared folder on drive e: (e:\backup) 50 clients/laptops with TSM Tivoli fastback for workstations who save files on shared folder And I need to configure proper permission for my shared folders that only owner of folder can access to their folders. Folder structure is: e:\backup <- shared as a "backup" folder \\backupfb\backup\ e:\backup\BackupAdmin <-- directory is used by the Tivoli Storage Manager FastBack for Workstations client to download revisions and configurations. Nodes require read-only access to these directories e:\backup\RealTimeBackup <-- enable client accounts to create directories that are only accessible by the account that created them. As a result, the directory that contains data for a node is not created until that node connects to the server. So permission should look like that (take from instructions): Inheritable permissions from object`s parents are DISABLE Permission entries: \\backupfb\backup\BackupAdmin Allow Users Read, Execute This folder, subfolders, and files Traverse Folder / Execute Allow List Folder / Read Data Allow Read Attributes Allow Read Extended Attributes Allow Delete subfolders and files Allow Delete Allow Read Permission’s Allow Allow Administrators Full Control This folder, subfolders, and files Both folders have enabled option "apply these permissions to objects and/or containers within this container only" Here everything works fine \\backupfb\backup\RealTimeBackup <<-- Allow Administrators Full Control This folder, subfolders, and files Allow CREATOR OWNER Full Control This folder, subfolders, and files (from domain) Allow Users Special This folder only Traverse Folder / Execute Allow List Folder / Read Data Allow Read Attributes Allow Read Extended Attributes Allow Create Files / Write Data Allow Create Folders / Append Data Allow Delete subfolders and files Allow Read Permission’s Allow Allow OWNER RIGHTS* Full Control This folder, subfolders, and files Here I have huge problem with CREATOR OWNER Im able to set FULL CONTROL but I can only apply "Subfolders and files only". When I change props. to "This folder, subfolders and files" and save its change to "Subfolders and files only" So I try use icacls to set up permissions @echo off takeown /F E:\backup\ /R /A for /D %%i IN (E:\backup\RealTimeBackup*) DO icacls E:\backup\RealTimeBackup\%%~nxi /grant:r cloud\%%~nxi:F /T /C pause but after that user are able to create just one folder in \backupfb\backup\RealTimeBackup\userfolder but problem is with subfolders In log i have: FBW5022E Unable to access the specified file Explanation: The file specified is unable to be accessed. Possibly spelled incorrectly, or bad path, or permissions. User response: Ensure the user has the proper permissions for the file and directories involved andthat the file and directory exist Any idea ?? pls help ;-) thanks

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  • VMWare Player 5.0 Upgrade - Bridged Networking No Longer Works

    - by Syndog
    I've been using VMWare Player 4 on my Windows 7 PC, running my VMs under a bridged networking configuration without any problem. I settled on bridged networking two reasons... I often use VMs to host web applications for test purposes. I never could get NAT to work for me anyway, but no love lost, considering reason #1. Now that I've upgraded to VMWare Player 5, the situation has completely reversed. In other words, bridged networking no longer works at all, and NAT does. Has anyone else come across this? Any ideas on getting bridged networking to work again? This happens with both Windows and Linux guest OSes. VMWare Tools has been fully updated. I've tried the usual vmnetcfg.exe utility fix, to no avail.

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  • XP Clients can't copy to networkshare

    - by chewbacca76
    i have a windows 2003 domain where i have strange problem. One of our file shares is on a 2003r2 domain controller, xp clients trying to copy files on the share are always getting the error error copying file or folder filename could not be copied. path too long while windows 7 clients work fine. Nothing unusal is found in the eventlog on both the server and the client. It doesn't matter if i access the share by fqdn or ip, the path is including filename shorter than 20 characters i.e. \path\share\file.txt Copying files to other servers is fine. Reading from the shares is ok too. Happened from one day to the other, one windows update that was installed this day (kb2736233) was removed but nothing changed. thanks for any tips

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  • Installing WiFi in a church for internet access

    - by Dave Griffiths
    Hi, a colleague at work asked this question: My local church want to get WiFi enabled in the whole of their offices and main church building. The offices and main building are in the same overall structure and so the signal does not need to travel outside to any other buildings outside this main structure. Where would I start on such a project and what kind of repeaters are needed (and how are they set up) given that some of the walls are pretty thick. Do you still have one ADSL line coming in to router or are there some options of having two lines coming in so that they isn't a single point of failure. Am looking at fibre for the broadband for increased speed. Any starting pointers appreciated.

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  • Enterprise level Ticketing and inventory system reccomendations [closed]

    - by TrackingSystem
    My company is sort off at a stand still when it comes to our technician ticketing and inventory system. We currently use Numara TrackIt! - which isn't cutting it to say the least. Dell recommended KACE, but it's web based which is what we would like to avoid. We need a good ticketing and inventory system with the following: Server/Client setup Client supports XP/Windows 7 Ent. Web Based as well as Client is a plus Technician ticketing Active Directory integration Inventory System (Asset tag tracking etc/PO tracking) Exchange integrated - when tickets are made you have an option to send to the requester. Something that will scale well Please, if anyone is a Systems Admin or has knowledge regarding use of a great ticketing system please let me know. We have a large international corporation - price honestly isn't an issue. Keep in mind this will be mainly used for technicians to create tickets, enter inventory(track PCS) and possible even an option to track purchase orders. We want an enterprise level ticketing system with these capabilities please help! Thank you.

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