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  • What to use for Shell Access?

    - by Aristotle
    I just purchased a virtual dedicated server-plan that comes with shell access. It's been a while since I've actually used shell access remotely, so I'm a bit behind the times. Years ago I used PuTTY, but I'm curious if there are any better options that I should consider for establishing that connection, and managing my server remotely. I figured this question would be most appropriately asked here since it is regarding tools.

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  • Internet<->Server<->Router<->Computers Setup

    - by DanSpd
    Hello once again, Another question related to network setup. Idea is to setup network as following: Internet<-Server 2k3<-DLink 655 Router<-computers, etc But the main point is to keep direct internet connection on server and provide internet access to all computers connected to router. Question is how to? Thank you P.S. Server has two Ethernet ports

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  • OpenOffice 3 takes forever to open

    - by Joey Adams
    I'm on Fedora 14, and OpenOffice 3.3.0 takes a long time to open (about 30 seconds, sometimes less). It isn't a CPU or disk performance issue, it's just simply a very long delay before the program opens. It appears to be a frivolous network connection timing out. According to Wireshark, it tries to look up: dulcimer.(none) which fails, after which it tries to look up: dulcimer.(none).mylitestream.com (dulcimer is my hostname, and LiteStream is my ISP) Is there a way to work around this bug in OpenOffice?

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  • How do I make netdiag work?

    - by Mohamed Abobakr
    I'm trying to run the netdiag command to troubleshoot the internet connection but when I run it in cmd I get the following message: 'netdiag' is not recognized as an internal or external command, operable program or batch file. Also, I have tried typing "net diag", which gives me a syntax error, but that NET command seems to be something completely different. Searching on google for answers gives me results that deal with Windows Server 2003; I'm on a Windows XP machine.

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  • Local Apache on Windows XP not finishing page requests

    - by asgeo1
    I have Apache 2.2.11 installed locally on my Windows XP (SP3) dev machine, which I setup about 3 months ago. I have just started having a strange problem in the last few week. Apache is serving some basic PHP applications like phpMyAdmin. When I make a page request, Apache appears to not finish serving all resources for that page. Firefox shows the "Transferring data from servername..." message, and the page never completes. The same problem happens in Internet Explorer too. I can sometimes tell which resource it is waiting on, because most of the page will render except for some image or similar resources. (Not sure why Firebug doesn't show this) It doesn't have the problem every page request - for page requests where most of the resources are cached in my browser, the page request will work with no problems. Or pages that are very light will work with no problems. However, if I "hard" refresh the page, I will have this problem (probably because it is requesting all page resources) Does anyone know what this could be? It is so strange that it has only just started happening - and I did not make any changes to my system (that I am aware of) I tried playing with the Apache ThreadsPerChild setting, but it did not seem to make a difference. UPDATE: I have been doing some more tests. I have been serving the most basic of pages, just a plain HTML file: <html> <body> <h1>testing</h1> </body> </html> If I request this page multiple times in a row, AND each request occurs immediately after the previous has completed, then 50% of the time the request will time out. However, if I put a 1-2 second gap between requests, then there is no problem. This correlates to what I have observed when the brower requests a real application page. When the browser has nothing cached, then all of the page resources are requested from the browser in a short amount of time - this appears to trigger the problem. UPDATE2: Nathan Long has helped me understand the issue a little better with the server-status page (see below). It is weird, it is like the server has a hickup sending data to the client. The client sits there waiting forever for data that never arrives. Closing the client process does not terminate the connection on the server - the server still has active threads for each previously attempted connection, but they just sit there - not sending any data and never terminating. (even though the client is now closed) Only a restart of the server seems to terminate them.

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  • VPS host can't send email to Google and Yahoo Mail

    - by mandeler
    Hi, I got a new VPS setup and I'm wondering why I can't send emails to yahoo and gmail. Here's the error in /var/log/maillog: 00:43:00 mylamp sendmail[32507]: o45Gh0nc032505: to=, ctladdr= (48/48), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=120405, relay=alt4.gmail-smtp-in.l.google.com. [74.125.79.27], dsn=4.0.0, stat=Deferred: Connection refused by alt4.gmail-smtp-in.l.google.com What seems to be the problem?

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  • direct http to https on certain pages?

    - by Elliott
    Hi below is some code I added to my .htaccess code how can I add certain pages to be re-directed to https? such as login.php & login.html also if the user types in www. they get a "untrusted connection" as the SSL is only valid without the www. how could I fix this? Thanks RewriteEngine On RewriteCond %{HTTPS} off RewriteCond %{REQUEST_URI} /login.html RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

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  • serving mp3s to mobile devices is flooding nginx with partial requests

    - by drumfire
    I am serving mp3s with a minimalistic nginx server. What I see in my log files is that there are a lot of requests, in particular from AppleCoreMedia and sometimes Android useragents, that flood the server with short requests. Sometimes they keep requesting to download the same partial content for a very long time; sometimes more than an hour. For example: "GET /somefile.mp3 HTTP/1.1" 206 33041 "AppleCoreMedia/1.0.0.9B206 (iPhone; U; CPU OS 5_1_1 like Mac OS X; en_us)" "GET /somefile.mp3 HTTP/1.1" 206 33041 "AppleCoreMedia/1.0.0.9B206 (iPhone; U; CPU OS 5_1_1 like Mac OS X; en_us)" "GET /somefile.mp3 HTTP/1.1" 206 33041 "AppleCoreMedia/1.0.0.9B206 (iPhone; U; CPU OS 5_1_1 like Mac OS X; en_us)" [...] I also get a lot, but not as much, of these: "-" 400 0 "-" "-" 400 0 "-" The IP addresses are always from clients that start downloading shortly after that request, usually they have roughly the same UserAgent as in the first example. emphasized text I have enabled server throttling and connection limits in nginx to limit the huge amount of log entries from equivalent IPs at least somewhat. There was a performance issue when I saw the same behaviour on the previous server that used Apache. I installed nginx on a better server then moved the site. When Apache could not handle more connections from the increasing number of clients effectively that server was ddossed. There was no bandwidth issue with already connected clients and I don't know if the already connected clients were using more than one connection at a time. Please tell me: Are clients that appear to get stuck on a download a Bad Thing™ I heard people say their mobile bandwidth use was much higher than they could account for. I'm thinking this type of client behaviour can account for that. And costs us more bandwidth too. Which up to date alternatives exist out there that can handle serving this type of data better than plain HTTP? Useful general insights for someone who just came into this field straight out of the late 90s. :-)

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  • How to change a physical partition system to LVM?

    - by Daniel Hernández
    I have a server with Debian that have 3 physical partitions covering all the disk: boot, root y swap. Now I want to replace that partitions with LVM partitions. I know how install Debian with LVM at beginning, but in this case I can't install the system at beginning because the provider gets me a server with remote access and the system installed in this way. How can I change that partitions using only an ssh connection and possibly other remote server where to put some temporal data?

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  • Virtual PC with Multi Monitors

    - by user41013
    Hi I have recently intalled Virtual PC and was wondering if it possible to make use of both of my monitors with it. I have managed to get a pseudo multi screen effect by connecting using Remote Desktop connection, but this isn't really what i wanted. Is this possible? Thanks

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  • Virtual PC with Multi Monitors

    - by user34710
    Hi I have recently intalled Virtual PC and was wondering if it possible to make use of both of my monitors with it. I have managed to get a pseudo multi screen effect by connecting using Remote Desktop connection, but this isn't really what i wanted. Is this possible? Thanks

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  • http benchmarking?

    - by Sam Williams
    im running varnish-nginx(php-fpm) and im using ab but it keeps messing up. [root@localhost src]# ab -k -n 100000 -c 750 http://192.168.135.12/index.php This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright 2006 The Apache Software Foundation, http://www.apache.org/ Benchmarking 192.168.135.12 (be patient) apr_socket_recv: Connection reset by peer (104) is there anything else i can use? or am i doing it wrong?

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  • Rsync over ssh: "ERROR: module is read only" suddenly appeared

    - by user978548
    I've used from some time rsync/ssh to backup my shared host contents to my personal Synology NAS (212j for that matter), and it worked quite well. For information, I use a password-less ssh connection. 3 days ago, I updated my NAS software and since (or at least I believe it's since that), the backup won't work anymore. I get the following error on the host: rsync: writefd_unbuffered failed to write 4 bytes to socket [sender]: Broken pipe (32) ERROR: module is read only ..which I do not understand. beside that nothing changed that I know of in both source and destination that can be related to rsync or ssh, I did check a few things and all seems to be alright: I can still connect through ssh from the host to my NAS with the good user, so ssh stuff like keys haven't changed. I also have the correct file permissions on the NAS (I checked, and also tried to create files, directories, .. with the user used by rsync through ssh). I read here and there that the error means that I have to ensure that my rsyncd.conf have the right read only = no in it, but as far as I know, I never used rsyncd as well as I never configured anything for it and until now it worked like a charm.. I use the following command to do the backup: rsync -ab --recursive \ --files-from="$FILES_FROM" \ --backup-dir=backup_$SUFFIX \ --delete \ --filter='protect backup_*' \ $WDIRECTORY/ \ remote_backup:$REMOTE_BACKUP/ So I'm stuck and really can't figure out what happened. Edit: As suggested in comments, I also tried passing commands to ssh (but not from inside a ssh session), that worked as expected, and also tried a single rsync command, which didnt worked, failing just like the complete backup command. (sharedHost):hostuser:~ > touch test.txt (sharedHost):hostuser:~ > rsync test.txt remote_backup:backups/test.txt ERROR: module is read only rsync error: syntax or usage error (code 1) at main.c(1034) [Receiver=3.0.8] rsync: connection unexpectedly closed (9 bytes received so far) [sender] rsync error: error in rsync protocol data stream (code 12) at io.c(601) [sender=3.0.7] and (sharedHost):hostuser:~ > ssh remote_backup 'touch /abs_path_to_backups/backups/test2.txt && echo "ProoF" > /abs_path_to_backups/backups/test2.txt' (sharedHost):hostuser:~ > ssh remote_backup 'cat /abs_path_to_backups/backups/test2.txt' ProoF

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  • Streaming media from a download link

    - by Danny V.
    There often discussions and many facilities available to download streaming media (eg Youtube, Vimeo, etc), however is there a way it can stream a download link? Currently, my internet connection is prohibitively slow to download a video and I would prefer if I could watch the video while it is still downloading but I couldn't find how to do this. I did find this article but it appears to need your own media server.

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  • Unable to telnet out on port 25 on windows server 2008

    - by NickGPS
    Hi All, I just setup a Windows 2008 R2 server and am trying to get a basic mail server up and running so that I can send emails from my applications. I setup a virtual SMTP server in IIS6 and tried doing a local telnet to port 25, which seemed to work fine. There were no errors during this stage and I can see the mail message appear in the Queue folder. The problem is that mail never leaves the Queue folder. I then tried to telnet to a remote mail server on port 25 but couldn't connect:- telnet 209.85.227.27 25 Could not open connection to the host, on port 25: Connection failed) I checked my firewall and there is a default setting to allow all outgoing TCP traffic with no restriction. I even setup a specific rule for outgoing port 25 traffic but to no avail. I then ran a SmtpDiag.exe command .\SmtpDiag.exe [email protected] [email protected] and received the following output Searching for Exchange external DNS settings. Computer name is WIN-SERVERNAME. Failed to connect to the domain controller. Error: 8007054b Checking SOA for gmail.com. Checking external DNS servers. Checking internal DNS servers. SOA serial number match: Passed. Checking local domain records. Checking MX records using TCP: gmail.com. Checking MX records using UDP: gmail.com. Both TCP and UDP queries succeeded. Local DNS test passed. Checking remote domain records. Checking MX records using TCP: gmail.com. Checking MX records using UDP: gmail.com. Both TCP and UDP queries succeeded. Remote DNS test passed. Checking MX servers listed for [email protected]. Connecting to gmail-smtp-in.l.google.com [209.85.227.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to gmail-smtp-in.l.google.com. Is there any other diagnostics I can do to figure out if it's my firewall or something else? I have removed antivirus to make sure that it wasn't causing the problem. Any ideas would be much appreciated.

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  • Simple switch ports state monitoring tool

    - by Florent Courtay
    My users keep unplugging our meeting rooms computers network connection. As i can't check the computers every time a meeting ends, i'd like to find a tool, preferably running on windows, that can monitor some cisco switch ports state, and every time a cable is being unplugged, send me an email. I know that some monitoring solutions can do that already, but i wonder if something simplier (and preferably cheap / free of course !) exists.

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  • What's port 1283?

    - by kbluck
    I see a lot of connection attempts to 1283/tcp on my firewall from a client computer to a Windows Server 2008 Domain Controller. What exactly is this traffic? Something to do with NetBIOS, perhaps?

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  • Routing and arp

    - by adolgarev
    If I have >ip ro 192.168.14.0/24 dev eth0 another host can obtain my mac address. But if I flush routing info: >ip ro flush table main arp resolution doesn't work. Broadcast packets "Who has 192.168.14.149" reach eth0 but OS (Linux) doesn't respond despite eth0 has address 192.168.14.149. What connection exists between routing and arp resolution?

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  • Setting a non-standard proxy

    - by Julio Guerra
    I am behind a proxy which requires users to login during the first connection with a username and password with a HTML form. Thus, it is not handled with usual http://username:[email protected] and any attempt to access the internet from this setting falls into the login form. How could I automatically login to the proxy? In linux, what manages proxy stuffs when a command tries to access the internet? Thank you.

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  • Port forwarding using a BT Home Hub 2.0 (Supplied to new BT Infinity Customers in the UK)

    - by Jasarien
    I don't usually have trouble with port forwarding, I've been able to do it successfully on a number of different routers, including Linksys, Belkin, Netgear and Apple (Time Capsule / Airport Extreme). So I'm quite confused here. I had been using my Apple Time Capsule as my router for a few years now, with several port mappings all working fine. But it died recently, so I've had to resort to using the BT Home Hub 2.0 that was supplied with my BT Infinity broadband subscription. The forwarding interface for the Home Hub is simplified for the most part, allowing you to select an application or game and assign it to a particular computer on the network which you choose from a list that the Home Hub has 'discovered'. My Mac Pro has a manually assigned static IP 192.168.1.4 and my router is static at 192.168.1. I have chosen SSH from the list of applications and assigned it to my Mac Pro (the only computer in the list currently). The Home Hub also has a feature to keep a DNS service updated, and I have set it to keep my external IP address updated on my hostname. This is how I had it setup in the past with other routers and not had trouble before. I am able to ping my hostname (and external IP) from outside the network and get a response. But when I try to connect using SSH, the connection times out. The Home Hub also has "Firewall settings". The currently selected setting is: Default: Allow all outgoing connections and block all incoming traffic. Games and application sharing is allowed. But I've tried changing it to: Disabled: All traffic is allowed to pass through your BT Home Hub to your devices. Note: you’ll still need to use the games and application sharing feature to make sure that certain applications work properly. And the connection still times out... So frustrating. The OS X firewall on my Mac is disabled, so I don't think that's in the way. I have tried setting the port forwarding manually, instead of relying on the preset "SSH" option (incase it's not using the port I expect). So I set up my own "application" (as the Home Hub calls it) and forwarded external port 22 TCP to internal port 22 TCP to 192.168.1.4 - but that just gives the same result - unable to connect. Next, with the router's firewall disabled and OS X's firewall disabled, I ran the Shields Up test (https://www.grc.com/x/ne.dll?bh0bkyd2) and the result was that all my service ports (0 - 1055) are in 'Stealth' mode. I.e. nothing even exists at my IP as far as any outsider is concerned... Strange. The only thing that seems to work is setting my Mac Pro as the DMZ - which I don't want to do for obvious reasons. Any help with this would be extremely appreciated, thanks.

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  • Sync local directory with remote FTPS?

    - by A T
    How do I keep my local directory in sync with my remote FTPS directory? Note that I've tried WinSCP, but found that it only works a few times then I need to restart it to get it going again. Also I've tried all the utilities mentioned here but only a few supported the connection requirements (explicit SSL over FTP), and those that did didn't have "realtime" directory sync. Also note that a curl, rsync or wput command which I can put into "scheduled tasks" will suffice, if it can do directory sync.

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