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  • Does exists a software that act as DHCP service?

    - by marco.ragogna
    I need to configure a network made by a simple old hub with 24-ports a server and some clients. Both clients and server has Windows XP or later. If all clients has the DCHP service enabled does exists a software that, installed on the server, assigns automatically to the clients an IP based on a predefined range?

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  • Question about Installing an Intel E5300 CPU.

    - by jeff
    Can I re-use my heatsink/fan that is currently on the motherboard with this new Intel e5300 CPU ? I know both CPUs are socket 775 based CPUs. I have a 2.4 GZ single core Intel chip currently. Also would I be able salvage the thermal paste or should I just buy new paste?

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  • TCP/IP & throughput between FreeNAS (BSD) server & other LAN machines

    - by Tim Dickerson
    I have got a question for someone that knows BSD a bit better than me that are in regards to my LAN setup at home/work here outside Chicago. I can't seem to fully optimize my network's (LAN) thoughput via my FreeNAS (BSD based) file server. It runs with the latest FreeBSD release which is modified to support several protocols for file transfers and more. Every machine that is behind my Smoothwall (Linux based) router is on the usual 192.168.0.x subnet and for most part works just fine. Behind the Smoothwall box, all machines are connected to a GB HP unmanaged switch. I host a large WISP here and have an OC-3 connection here at home/work and have no issues with downloading/uploading from/to the 'net'. My problem is with throughput. When I try and transfer large files...really any for that matter..between any of the machines to/and from the FreeNAS server via FTP, the max throughput I can achieve say between a Win 7 or a Linux box is ~65Mbit/sec. All machines are running Intel Pro 1000 GB NIC's and all cable is CAT6. Each is set to 'auto negotiation' and each shows 1500 MTU Full Duplex @1GB so I know the hardware is okay. I have not adjusted the MTU on any machine as I understand it to be pointless unless certain configurations are used (I assume I am not one of those). My settings for the FreeNAS machine are the following: # FreeNAS /etc/sysctl.conf - pertinent settings shown kern.ipc.maxsockbuf=262144 kern.ipc.nmbclusters=32768 kern.ipc.somaxconn=8192 kern.maxfiles=65536 kern.maxfilesperproc=32768 net.inet.tcp.delayed_ack=0 net.inet.tcp.inflight.enable=0 net.inet.tcp.path_mtu_discovery=0 net.inet.tcp.recvbuf_auto=1 net.inet.tcp.recvbuf_inc=524288 net.inet.tcp.recvbuf_max=16777216 net.inet.tcp.recvspace=65536 net.inet.tcp.rfc1323=1 net.inet.tcp.sendbuf_inc=16384 net.inet.tcp.sendbuf_max=16777216 net.inet.tcp.sendspace=65536 net.inet.udp.recvspace=65536 net.local.stream.recvspace=65536 net.local.stream.sendspace=65536 net.inet.tcp.hostcache.expire=1 From what I can tell, that looks to be a somewhat optimized profile for a typical BSD machine acting as a server for a LAN. I might be wrong and just wanted to find out from someone that knows BSD better than I do if indeed that is ok or if something is out of tune or what. Are there other ways I would find better for P2P file transfers? I honestly do not know what I SHOULD be looking for with respect to throughput between the NAS box and another client when xferring files via FTP, but I am told that what I get on average (40-70MB/sec) is too low for what it could be. I have thought about adding another NIC in the FreeNAS box as well as the Win7 machine and use a X-over cable via a static route, but wanted to check with someone first to see if that might be worth it or not. I don't know if doing that would bypass the HP GB switch and allow for a machine to machine xfer anyways. The FTP client I use is: Filezilla and have tried both active and passive modes with no real gain over each other. The NAS box runs ProFTPD.

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  • Connecting to a switch?

    - by Kravlin
    I have a managed switch that i liberated from our school's surplus goods store for $10 that has a serial based console. I have a serial cable and a computer with a serial port, but i have no idea what protocal to use to connect between the two. I'm running Arch Linux on the computer with the serial port. Thanks

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  • http in web browser address bar

    - by Kumar P
    If we type a domain name in web browser address bar, How it will be add default ? Ex. If i type linkedin.com in web browser address bar, How it will be add www and http:// ----- http://www.linkedin.com/ ....... If i didn't mention ftp also it will add automatically add ftp://...... Based on what concept, it will work. I know it basic and simple question. But please tell about it as clear as possible

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  • What is the best Linux filesystem for MySQL (InnoDB)?

    - by Continuation
    I tried to look for benchmark on the performances of various filesystems with MySQL InnoDB but couldn't find any. My database workload is the typical web-based OLTP, about 90% read, 10% write. Random IO. Among popular filesystems such as ext3, ext4, xfs, jfs, Reiserfs, Reiser4, etc. which one do you think is the best for MySQL?

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  • Are Time Machine backups secure?

    - by Leandro Ardissone
    I have my Time Machine backups on an external disk (WD My Passport with no hardware encryption) and I'm worried if the data stored on the disk is safe in case somebody steals it and connect it to any Mac/PC. Does any Mac can browse the Time Machine backups? Or are they encrypted in any way? If no, is there a way to improve security of the backups, should I buy a hardware encryption based HD? Thanks.

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  • WinXP 64bit cannot see files on dfs

    - by Kvad
    Hi, I have Server1 Win2008 Storage Server Running DFS Access-based enumeration - off Offline settings - disabled Workstation1 WinXP SP3 32bit Workstation2 WinXP SP2 64bit I have a shared folder on Server1 on the DFS share. Workstation1 can see all files and folders. Workstation2 does not. I have tested with multiple WinXP 64bit PCs and the same files across these machines do not show up. Going directly to the files via the address bar works.

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  • few questions on packet sniffer/analyzer

    - by user37652
    I have few questions about packet sniffer. I'm using a zyxel p-600 series modem and a hub to distribute the internet connection. Can I use a packet sniffer here to determine if the user is downloading something? Can I determine if the user is downloading a file based on the modem alone.(The lights blink faster) Is there an application that I could use for the modem or the hub to limit or avoid direct downloads. Details: OS: Ubuntu 9.10 and Windows 7

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  • How do software .dmg files mount or work in OS X?

    - by ymasood
    I am a new Mac user and have an iMac. Coming from the Windows world where everything is installer based, OS X seems to mount .dmg files and run them. I've seen this happen prior to an install and later it requests us to move an icon to the Applications folder. Could someone help me unclutter the install process on OS X. What or how does it work? Thanks in advance!

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  • Quick-n-Easy way to remove outdated ActiveDirectory users?

    - by Jason Taylor
    We have around 70 current employees, but 178 accounts in ActiveDirectory. The prior administrators never removed old accounts, and sometimes they weren't even disabled. As it is, I am considering manually reviewing each account to determine if it can be removed. Is there an easier way to remove accounts based on a condition? Such as, remove (or at least disable or flag in some way) users that haven't logged in within the last month or so?

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  • iis7 bandwith throttling for downloads via iis media services?

    - by MikeJ
    I am looking after a sever that is managing the downloads of software updates released by the company where I work. The throttle in IIS7 seems to limit the total rate and not the rate each individual download gets. I was thnking on installing media services, adding .zip as a type and then throttling the individual connection rate based on what I read. Is this how this sort of thing is done with IIS7?

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  • Rocksclusters reinstalling nodes partitioning error.

    - by Antiarchitect
    I have a HPC based on rocksclusters So when I've added new roll (torque) I send a kickstart command to all nodes to reinstall them. But after loading X installer on nodes all of them showed me an error: Could not allocate requested partitions: Partitioning failed: Could not allocate partitions as primary partitions. Cannot allocate partition for /boot

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  • Monitor uSWGI via Nagios: invalid socket

    - by webjay
    I'm trying to monitor uSWGI via Nagios, but according to uWSGI I have specified an invalid socket. The socket path I got from the JSON config file which also says chmod-socket: 666 so I have a hunch that the problem is permission based. The socket file is owned by www-data who I don't want to tinker with, so any other ways? uwsgi --socket=/tmp/app.sock --nagios detected binary path: /usr/local/bin/uwsgi UWSGI UNKNOWN: you have specified an invalid socket ls -l /tmp/app.sock srw-rw-rw- 1 www-data www-data 0 2012-10-26 17:00 /tmp/app.sock

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  • Timezone reset on Amazon AMI update

    - by Jeff
    I have a server set up through Amazon AWS. It's Amazon's RHEL-based AMI. When I initially booted up the machine, I set the proper timezone by creating a symlink: ln -sf /usr/share/zoneinfo/America/Los_Angeles /etc/localtime This works just fine, but whenever Amazon provides an update to their AMI the timezone automatically reverts to UTC. Is there a way around this or does it have to be manually set after each update?

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  • Getting Classic ASP to work in .js files under IIS 7

    - by Abdullah Ahmed
    I am moving a clients classic asp webapp to a new IIS7 based server. The site contains some .js files which have javascript but also classic asp in <% % tags which contains a bunch of conditional statements designed to spit out pieces of javascript based on session state variables. Here's a brief example of what the file could be like.... var arrHOFFSET = -1; var arrLeft ="<"; var arrRight = ">"; <% If ((Session("dashInv") = "True") And ((Session("systemLevelStaff") = "4") Or (Session("systemLevelCompany") = "4"))) Then %> addMainItem("/MgmtTools/WelcomeInventory.asp?wherefrom=salesMan","",81,"center","","",0,0,"","","","",""); <% Else %> <% If (Session("dashInv") = "False") And ((Session("systemLevelStaff") = "4") Or (Session("systemLevelCompany") = "4")) Then %> <% Else %> addMainItem("/calendar/welcome.asp","",81,"center","","",0,0,"","","","",""); <% End If %> <% End If %> defineSubmenuProperties(135,"center","center",-3,0,"","","","","","",""); Currently this file (named custom.js for example) will start throwing js errors, because the server doesnt seem to recognize the asp code in it and therefore does not parse it. I know I need to somehow specify that a .js file should also be treated like an .asp file and run through parsing it. However I am not sure how to go about doing this. Here is what I've tried so far... Under the Server node in IIS under HANDLER MAPPINGS I created a new Script Map with the following settings. Request Path: *.js Executable: C:\Windows\System32\inetsrv\asp.dll Name: ASPClassicInJSFiles Mapping: Invoke Handler only if request is mapped to : File Verbs: All verbs Access: Script I also created a similar handler under the site node itself. Under MIME Types .js is defined as application/x-javascript None of these work. If I simply rename the file to have .asp extension then things work, however this app is poorly coded and has literally 100's of files with the .js files included in them under various names and locations, so rename, search and replace is the last option I have.

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  • GUI to Change the Login Screen Wallpaper Image on Snow Leopard

    - by lexu
    the "standard" login screen background on OSC (Leopard and Snow Leopard) can be modified using these command line incantations: cd /System/Library/CoreServices sudo mv DefaultDesktop.jpg DefaultDesktop_org.jpg sudo cp /path/of/image.jpg DefaultDesktop.jpg I learned that here QUESTION: is there a GUI based utility for people like my wife and daughter? .. they DO want to customize (worse: they want me to do it ), but they DON'T want to learn the terminal ( since I know how). They DO know how to enter an admin's credentials when prompted.

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  • Online Free Accounting Software

    - by Ngu Soon Hui
    I am looking for a free, online-based accounting application, something like a web-version of QuickBooks or MS Money. The catch here is that, of course, it needs to be free. I don't know if any company is philanthropic enough to offer this kind of service to individual users.

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  • install remote desktop in a PC with FTP and HTTP access

    - by user39862
    Hi, I have a machine behind a firewall to which I have only FTP and HTTP access - is there any remote desktop software available that I can install over FTP and access over HTTP (java based perhaps)? The reason I'm asking is because ultraVNC stopped working for no reason and I need to access the PC (it has installed windows 7 with UAC disabled). thanks

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  • Ubuntu: Multiple NICs, one used only for Wake-On-LAN

    - by jcwx86
    This is similar to some other questions, but I have a specific need which is not covered in the other questions. I have an Ubuntu server (11.10) with two NICs. One is built into the motherboard and the other is a PCI express card. I want to have my server connected to the internet via my NAT router and also have it able to wake from suspend using a Magic Packet (henceforth referred to as Wake-On-LAN, WOL). I can't do this with just one of the NICs because each has an issue - the built-in NIC will crash the system if it is placed under heavy load (typically downloading data), whilst the PCI express NIC will crash the system if it is used for WOL. I have spent some time investigating these individual problems, to no avail. My plan is thus: use the built-in NIC solely for WOL, and use the PCI express card for all other network communication except WOL. Since I send the WOL Magic Packet to a specific MAC address, there is no danger of hitting the wrong NIC, but there is a danger of using the built-in NIC for general network access, overloading it and crashing the system. Both NICs are wired to the same LAN with address space 192.168.0.0/24. The built-in ethernet card is set to have interface name eth1 and the PCI express card is eth0 in Ubuntu's udev persistent rules (so they stay the same upon reboot). I have been trying to set this up with the /etc/network/interfaces file. Here is where I am currently: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.3 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 auto eth1 iface eth1 inet static address 192.168.0.254 netmask 255.255.255.0 I think by not specifying a gateway for eth1, I prevent it being used for outgoing requests. I don't mind if it can be reached on 192.168.0.254 on the LAN, i.e. via SSH -- it's IP is irrelevant to WOL, which is based on MAC addresses -- I just don't want it to be used to access internet resources. My kernel routing table (from route -n) is Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 My question is this: Is this sufficient for what I want to achieve? My research has thrown up the idea of using static routing to specify that eth1 should only be used for WOL on the local network, but I'm not sure this is necessary. I have been monitoring the activity of the interfaces using iptraf and it seems like eth0 takes the vast majority of the packets, though I am not sure that this will be consistent based on my configuration. Given that if I mess up the configuration, my system will likely crash, it is important to me to have this set up correctly!

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