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  • Can a Linksys Router be the cause of bad speeds on a 1.5 mbps link.

    - by gramware
    We use a Linksys 5-port router at a smal organization with about 20 employees. We recently acquired a 1.5 mbps fibre link, but sometimes the link goes down and speeds are still low. On enquirey from the ISP, this was part of the response, However there maybe throttling due to the router in place. A Linksys is a low end router and may be unable to carried traffic of up to 1536Kbps. We are in a position to deploy a Cisco 871 router on test for 2 wks to eliminate that possibility. Also kindly advise the destination of the ping results they look to high. How true is that about the router throttling the network and need for a bigger one.

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  • Testing php mail() in localhost problem

    - by Samir Ghobril
    Hey guys, recently I just installed msmtp in linux and I even send a mail from the terminal and it worked: echo -e "Subject: Test Mail\r\n\r\nThis is a test mail" |msmtp --debug --from=default -t [email protected] But in php, after editing the php.ini file to have this: sendmail_path = '/usr/bin/msmtp -t' and using this piece of code: <?php if ( mail ( '[email protected]', 'Test mail from localhost', 'Working Fine.' ) ){ echo 'Mail sent'; } else{ echo 'Error. Please check error log.'; } ?> I get the Mail sent message but don't receive a message in my inbox. Not even in the spam folder. Anything wrong I'm doing? msmtp configuration file: defaults tls on tls_starttls on tls_trust_file /etc/ssl/certs/ca-certificates.crt account default host smtp.gmail.com port 587 auth on user [email protected] password password from [email protected] logfile /var/log/msmtp.log

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  • How to make AD highly available for applications that use it as an LDAP service

    - by Beaming Mel-Bin
    Our situation We currently have many web applications that use LDAP for authentication. For this, we point the web application to one of our AD domain controllers using the LDAPS port (636). When we have to update the Domain Controller, this has caused us issues because one more web application could depend on any DC. What we want We would like to point our web applications to a cluster "virtual" IP. This cluster will consist of at least two servers (so that each cluster server could be rotated out and updated). The cluster servers would then proxy LDAPS connections to the DCs and be able to figure out which one is available. Questions For anyone that has had experience with this: What software did you use for the cluster? Any caveats? Or perhaps a completely different architecture to accomplish something similar?

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  • RGB to DVI adapter not working for Projector-to-PC

    - by user897052
    We have a wall-mounted projector (dell 4320) with VGA In and the other end of the cable is RGB. We have an RGB to DVI-I adapter (w/ DIP switches) inorder to plug the cable into a PC (video card has 1 VGA and 1 DVI-I port). We had no problems until recently, when the PCs hard drive crashed. After re-imaging the PC, the computer no longer "sees" the projector (the computer doesn't detect the projector as a second monitor anymore). The PC is an older Dell with an after-market video card and runs win XP. I also tried it on a new HP box (win 7), but had to add a DVI-I to DVI-D adapter. Any ideas?

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  • Crossover cable in addition to normal network connection on servers?

    - by Zero0ne
    I have 2 servers, both with Windows 2003 R2 Each have 2 NIC ports that are 10/100/1000 They are both connected to our LAN + joined to the domain (1 NIC port free on each server) The problem is that our main router is only 10/100 on the ports that these servers are connected to. Since one server is going to host SQL 2005 and the other will be running Altiris NS7, I was hoping that I could use a crossover cable to connect the two directly, thus taking advantage of their 1gbps NIC cards. Is this possible? If so what steps do I need to take to accomplish this? What needs to be done to make sure that when the app server is communicating with the SQL server that it is using the direct link vs traversing the LAN? Thanks a lot!

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  • Hyper-V networking....still not sure which way to go??

    - by CZhale
    We have our Hyper-V server up and running (Windows 2008 ENT SP2) and started to create some of our VMs. The server has 4 total nics. 2 onboard Broadcom 1gb nic cards and a pci dual port Intel Pro cards 1gb. Right now, I have setup 1 broadcom nic to be the hyper-v host nic, and setup the other broadcom nic for the VMs. We are not using the Intel Nics....should we be thinking about teaming?Link Aggregation?? I just want to achieve the best possible setup for the network, but have read many things for and against teaming the nics?? Thoughts?

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  • Installing SSL certs with nginx on Amazon EC2

    - by Ethan
    I finally got a cert from an authority and am struggling to get things working. I've created the appropriate combined certificate (personal + intermediate + root) and nginx is pointing to it. I got an elastic IP and connected it to my EC2 instance. My DNS records point to that IP. But when I point the browser to the hostname, I get the standard "Connection Untrusted" bit, with ssl_error_bad_cert_domain. Port 443 is open - I can get to the site over https if I ignore the warning. Weird thing is, under technical details, it lists the domain I tried to access as valid! When I try and diagnose with ssl testing sites, they don't even detect a certificate! What am I missing here? domain is yanlj.coinculture.info. Note I've got coinculture.info running on a home server without a dedicated IP and have the same problem, but I'll be moving that to the same EC2 instance as soon as I figure this thing out. I thought the elastic IP would solve things but it hasn't

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  • Using powershell call native command-line app and capture STDERR

    - by crtracy
    I'm using a port of a cygwin tool on Windows which writes normal status messages to STRERR. This produces ugly output when run from PowerShell: PS> dos2unix.exe -n StartApp.sh StartApp_fixed.sh dos2unix.exe : dos2unix: converting file StartEC3.sh to file StartEC3_fixed.sh in UNIX format ... At line:1 char:13 + dos2unix.exe <<<< -n StartApp.sh StartApp_fixed.sh + CategoryInfo : NotSpecified: (dos2unix: conve...UNIX format ...:String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError Is there a better way? P.S. I intend to post one solution I've found and compare it to answers from others.

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  • Smart subdomain routing via reverse proxy

    - by Trevor Hartman
    I have two servers on my home network: OSX Server and an Ubuntu Server. I'd love to have external subdomains osx.mydomain.com point to osx and ubuntu.mydomain.com point to ubuntu. I know the normal way to do this is to have a static external IP address for each, but that's not an option as this is just my home setup. My question is: is there a way to do this with some reverse proxy trickery? OSX is currently the default entry point for all traffic. I was able to setup a reverse proxy on OSX for ubuntu.mydomain.com on port 80, so web traffic was correctly being proxied to my ubuntu. I'd like to ssh and do a bunch of other stuff though!

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  • approx via inetd is not open to connection for others machines

    - by Cédric Girard
    I have an approx server to speed up Debian apt updates, on my Ubuntu 11.04 desktop PC, it had ran fine in the past, but today le 9999 port is open from localhost, but not for others PC. I have not modified inetd configuration at all. What can I check and try? inetd.conf 9999 stream tcp nowait approx /usr/sbin/approx /usr/sbin/approx approx.com # Here are some examples of remote repository mappings. # See http://www.debian.org/mirror/list for mirror sites. debian http://ftp2.fr.debian.org/debian security http://security.debian.org/debian-security volatile http://volatile.debian.org/debian-volatile # The following are the default parameter values, so there is # no need to uncomment them unless you want a different value. # See approx.conf(5) for details. $cache /espace/Dossiers/approx $max_rate unlimited $max_redirects 5 $user approx $group approx $syslog daemon $pdiffs true $offline false $max_wait 10 $verbose false $debug false I tried to allow others PC to connect with a "ALL: ALL" in hosts.allow. ufw is disabled, iptables-save is empty.

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  • 1Gigabit vs 1.25Gibabit mismatch

    - by Joel Coel
    I need to re-connect the network to a small old outbuilding that hasn't been used in several years. I have to use the existing 62.5um multi-mode fiber run. This end of the fiber is already connected. For the end in the building, I was looking at this pair: http://www.tp-link.com/products/productDetails.asp?class=switch&content=spe&pmodel=TL-SM311LM http://www.tp-link.com/products/productDetails.asp?class=&content=spe&pmodel=TL-SL2210WEB If you look at the sfp first (first link), it's listed at 1.25Gpbs. That's odd, because IIRC the fiber should really only do 1Gbps. It's also supposed to work with the switch I posted (2nd link), but the gbic port on the switch also only shows 1Gbps. What am I missing here?

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  • hung up troubleshooting packet discards

    - by Chris Satola
    I realize my question is generic, but hopefully someone may have some guidance for me. My network consists of Cisco switches. I am seeing a significant amount (upwards of millions of packets per day) transmit drops between two switches. One being a 3750 and the other a 3560. The peak throughput of this link is only upper 400Mbps, so it shouldn't be a bandwidth issue. At this point, I am sort of clueless where to look or what tools I can use to determine what packets are dropping and why. I can setup a SPAN port on that link and wireshark it, but I don't know if that could tell me anything. Does anyone have any suggestions? Thanks in advance.

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  • Linux - use dhcp again to get IP

    - by Markus Orreilly
    I had statically set my ip in Linux using: sudo ifconfig eth0 192.168.blah.blah Now I want it to go back to using DHCP to assign the IP. How do I do that? This is what I see when I run dhclient Internet Systems Consortium DHCP Client V3.1.2 Copyright 2004-2008 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/sw/dhcp/ Listening on LPF/eth0/08:00:27:9b:43:09 Sending on LPF/eth0/08:00:27:9b:43:09 Sending on Socket/fallback DHCPREQUEST of 192.168.56.104 on eth0 to 255.255.255.255 port 67

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  • How to automatically show USB camera or memory stick contents in Icewm?

    - by darenw
    I normally use a very lightweight Linux setup. No desktop like Gnome or KDE, just Icewm as the windows manager and nothing else that normal users might consider essential. Well, I do need a file manager - I use Thunar. Recently I've been trying Gnome. Whenever I shove a memory stick into a USB port, or connect my digital camera, it can automatically pop up a file manager showing all the goodies on that device. KDE does this too. I like this. Although quick at the command line, I like not having to go sudo to mount the device and all that. If I want to stick with a lightweight setup using Icewm+Thunar, is there something non-huge I can install to make external devices fire up a Thunar window, or otherwise make access to the contents brainlessly easy?

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  • VNC application/terminal server

    - by sebastian nielsen
    Which software should I use, if I want to set up a linux VNC terminal server that works in this way: The VNC server should be able to accept up to X simultanous connections on the same port 5900. The VNC server should use 640x480 on 8 or 16bit color. When the VNC server receives the connection, it should start a new "session" for a user, and auto-launch a specific linux application for that user. If the application is killed, crashes, or is exited in any way, user should be disconnected (kicked) from server. If the user disconnect, the application should be killed in a "graceful way", that allows the application to cleanup. (There should be no way to "pick up" a old session) Any ideas?

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  • How to connect to IIS and SQL Server Express on Windows 7 host from XP Mode

    - by SpatialBridge
    Hello, I am running IIS and SQL Server 2008 Express on my Windows 7 host, and I'd like to be able to connect to them in XP Mode. My host machine is not a part of a domain, only a workgroup. So far, I've tried these instructions on connecting to SQL Server, but I'm not able to telnet to port 1433 on the host from XP Mode. I'm also not able to connect using a SQL client. I'm not able to connect to IIS on the host from XP Mode. Advice from those who have had success doing this would be appreciated. Thanks, Jon.

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  • Conection refused error for telnet and ssh

    - by pnp
    I try to telnet to one of my systems 172.16.xx.z from 172.16.xx.y, but the response i get is- sudo telnet 172.16.xx.z Trying 172.16.xx.z... telnet: Unable to connect to remote host: Connection refused Same for localhost- sudo telnet localhost Trying ::1... Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused And the same experience with ssh: sudo ssh 172.16.xx.z ssh: connect to host 172.16.xx.z port 22: Connection refused Any guesses what could be wrong here? Both my systems run on Ubuntu.

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  • Laptop stopped recognizing USB hard drive

    - by vahokif
    Hi, My Packard Bell EasyNote TX86 laptop stopped recognizing my 1 TB Toshiba Store Art hard drive. It worked fine until now, and it still works on other computers. Other USB devices (including storage) work, and I've tried plugging it in every port, to no avail. When I plug it in it spins up, but Windows doesn't react at all (it's not in disk management), Linux doesn't write anything in dmesg and I can't see it in BIOS setup. I didn't use it at all today, apart from plugging it into a freshly-installed Windows 7 machine once (where it worked). What can I do? Which device is to blame here? EDIT: One more thing. I unplugged the drive while the laptop was hibernated. Google says this might be the problem and it might have something to do with resetting the USB Host Controller.

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  • How do I run a beanshell script on my Mac?

    - by jonalv
    My Ubuntu-friend told me to testrun a Beanshell script by doing: bsh #filename# and when I told him that I don't know what bsh is nor have it he told me: sudo apt-get install bsh Being on a Mac I instead ran: sudo port install beanshell But still no bsh command available. A listing of the package content revealed a jar file named: /opt/local/share/java/bsh.jar but when I try to run that with my script file a complete Window manager written in Java starts up (and does not run the script file btw). Now, clearly I am doing something wrong, I am sure there must be a way of running beanshell scripts on a mac terminal although it does seem more natural for the linux users. What am I doing wrong and what should I do to run that script?

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  • I run Webmin and I want it to be accessed with two URLs, both using proxypass in apache

    - by user36644
    This is what I am trying to do: NameVirtualHost * <VirtualHost *> ServerName testsite.org ServerAdmin [email protected] DocumentRoot /var/www/ </VirtualHost> <VirtualHost *> ServerName panel.testsite.org ProxyPass / http://panel.testsite.org:10000/ ProxyPassReverse / http://panel.testsite.org:10000/ </VirtualHost> <VirtualHost 12.34.56.78> ServerName newsite.com ServerAdmin [email protected] DocumentRoot /var/newsite/ </VirtualHost> <VirtualHost 12.34.56.78> ServerName panel.newsite.com ProxyPass / http://panel.newsite.com:10000/ ProxyPassReverse / http://panel.newsite.com:10000/ </VirtualHost> The problem is that it won't accept the 2nd vhost with the IP 12.34.56.78 because it says one already exists. panel.newsite.com and newsite.com have the same IP...so I am not sure how I can make it so that only the URL "panel.newsite.com" will get proxypassed to port 10000 but no other URL on newsite.com

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  • how to? 1 domain name, 1 ISP Static IP, 1 router, 3 physical web Servers

    - by buliwyf
    I have 1 Static IP from my ISP, 58.59.60.61 I have 3 local physical web servers: Win2008 IIS 7, local IP 192.168.10.11, mydomain.com Ubuntu Apache2, local IP 192.168.10.12, subdomain1.mydomain.com Win2003 IIS 6, local IP 192.168.10.13, subdomain2.mydomain.com I have 1 domain name, mydomain.com. It is configured this way: Host(A), @, 58.59.60.61 Host(A), subdomain1, 58.59.60.61 Host(A), subdomain2, 58.59.60.61 My router is a pfSense box. It forwards all port 80 traffic to a group alias called "WebServers," which is my 3 web server IP's. This setup should work right? I believe I need to set the "host header names" in my web servers. In IIS I know how to do this. How do I do this in Apache2?

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  • telnet to 3389 connects, RDP remote desktop app bails ?

    - by scott_lotus
    I can TELENT 192.168.10.10 3389 and get a connection. But RDP client to 192.168.10.10 immedietly bails (i.e less then 1 sec) "connect" button greys briefly, RDP app remains on screen. Have tried these from many nodes on the subnet to 192.168.10.10 with same result. On 192.168.10.10 Allow Remote Desktop is enabled. On 192.168.10.10 windows firemall is off. Im connecting from the same subnet i.e no firewall hardware / routers in the way. AV software is installed but other nodes on same subnet allow RDP connection using exact same AV settings (network group profile) Checked 192.168.10.10 for any additonal AV software or local firewall products. Im sure non exist. Checked regedit to ensure 3389 was the port set for listening. Seems to be an XP problem (sp3) ( 2 nodes on the my LAN have this issue) and many work fine. Thanks for any help Scott

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  • Where can I find logs for SFTP?

    - by Jake
    I'm trying to set up sftp-server but the client is getting an error, Connection closed by server with exitcode 1 /var/log/auth.log (below) doesn't help much, how can I find out what the error is? I'm running Ubuntu 10.04.1 LTS sshd[27236]: Accepted password for theuser from (my ip) port 13547 ssh2 sshd[27236]: pam_unix(sshd:session): session opened for user theuser by (uid=0) sshd[27300]: subsystem request for sftp sshd[27236]: pam_unix(sshd:session): session closed for user theuser Update: I've been prodding this for a while now, I've got the sftp command on another server giving me a more useful error. Request for subsystem 'sftp' failed on channel 0 Couldn't read packet: Connection reset by peer Everything I've found on the net suggests this id a problem with sftp-server but when I remove the chroot from sshd config I can access the system. I assume this means sftp-server is accessible and set up correctly.

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  • Forwarding emails to nonexisting users/aliases to external mail server

    - by Niclas Lindqvist
    I'm in the works of installing a postfix mailserver on a machine currently being used as web server. As of right now, I've got it working as far as that I can send and receive emails using telnet through port 25. However, as my customer is concerned with downtime, I'd like to setup all the accounts one by one over time, and making sure it works, rather than just cutting the cord to the old mail server and start creating new accounts on the new system. How can I add the domain customer.com to my mail server and just add something like [email protected] to the users and aliases-lists without the web server trying to send all emails with the @customer.com domain to the new mail server? I'm running ubuntu, using postfix and postfix-mysql on the new machine, the old mail server is on a hosted environment somewhere else, where I don't have any control.

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  • Virtualmin Configuration

    - by Allen
    I am trying to get Virtualmin setup and have reached a point where my noobish sysadmin skills aren't getting the job done. This is the message I get now when I try and refresh the configuration of Virtualmin. BIND DNS server is installed, and the system is configured to use it. However, the default master DNS server XXXXXX is not a fully qualified domain name. Sendmail is only accepting SMTP connections on the following ports : 127.0.0.1 port smtp. Email from other systems on the Internet will not be accepted. This can be changed in the Sendmail Mail Server module. Please advise what I need to do to get Sendmail configured properly. Thanks!

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