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• change socket to other then default in phpPgAdmin

  - by DanFromGermany

  I need to change the socket phpPgAdmin connects to in its config. // Hostname or IP address for server. Use '' for UNIX domain socket. // use 'localhost' for TCP/IP connection on this computer $conf['servers'][0]['host'] = '/opt/jasperreports-server-cp-5.1.0/postgresql/.s.PGSQL.5432'; this does not work (even without the last part .s.PGSQL.5432). The path is correct, because I can connect through: :~# psql --host=/opt/jasperreports-server-cp-5.1.0/postgresql/

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• Eject LiveCD + Reboot

  - by JPerkSter

  We use LiveCD's alot in my line of work. Whether it be fscking file systems, recovering data from a customer to rm'd his server, etc. I'm looking for a quick way to eject the CDROM and reboot the server. Does anyone have any one-liners to do this or any other suggestions? Using 'eject' doesn't work most of the time, from what I've tested / used. We're using RHEL / Cent on most of our servers if that helps :D

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• Data Sources (ODBC) hangs when trying to create a new database connection

  - by FredrikD

  When I try to create a new database connection, the Data Sources (ODBC) programs hangs or takes a very long time to find the list of available SQL Servers. This only happens when there are other computers on the network, when my machine (a standard Windows 7 laptop) is alone, it works just fine. My question is: What should I look for in terms of SQL server or ODBC configurations that will take away this random behaviour?

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• Forward my http requests blindly through to a new server

  - by Jason

  I need to forward any http request from my old server IP to my new IP. I migrated servers and there are a few domains that have a high TTL and I could not update. Is it possible to take all HTTP requests from one server running centos/whm/php/apache 2+ and forward them to the new ip? Since I have hundreds of domains I'd prefer a solution that involves running an app on the linux box that will push requests automatically to the new box. Thoughts? Cheers

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• Source File not updating Destination Files in Excel

  - by user127105

  I have one source file that holds all my input costs. I then have 30 to 40 destination files (costing sheets) that use links to data in this source file for their various formulae. I was sure when I started this system that any changes I made to the source file, including the insertion of new rows and columns was updated automatically by the destination files, such that the formula always pulled the correct input costs. Now all of a sudden if my destination files are closed and I change the structure of the source file by adding rows - the destination files go haywire? They pick up changes to their linked cells, but don't pick up changes to the source sheet that have shifted their relative positions in the sheet. Do I really need to open all 40 destination files at the same time I alter the source file structure? Further info: all the destination files are protected, and I am working on DropBox.

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• With a node.js powered server on EC2, how can I decrease the TCP connection time?

  - by talentedmrjones

  While profiling my application I've noticed that in the Firebug Net panel, the "Connecting" time—that is the time waiting for a TCP connection—is consistently around 70–100ms. See image below: Of course in the grand scheme of things, 100ms is not long, but I have seen other services that respond with 0ms Connect time. So if other servers can, I should be able to as well. Any thoughts on how I might even beging to troubleshoot this?

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• Avoid Windows Explorer to load complete executable file

  - by user13001

  On Windows Vista, when browsing to a network folder containing executables, Windows Explorer seems to load all the files completely just to be able to show the executable icon (the resource monitor indicates loads of traffic during the loading of the directory) On XP only a part of the file is loaded. Is there a way to avoid the complete loading of these files? Note that disabling my anti virus does not help. Update: This only happens with for executable linked with /SWAPRUN:NET. Microsoft confirmed this as a bug in Vista, but they seem not very eager to fix this.

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• Puppet, secret fatcs

  - by black_rez

  I manage servers with a puppet master and I use Foreman for visualisation. Because of specific regulation, the only access I have is the puppet agent for configuration and some informations can't be visualized by foreman and the master can't store this information. For example, the puppet agent need to get a secret variable (a password store in a file). How I can get it without know this variable? Also I need to keep reports because I want to know what happen on the server.

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• Cross-domain structure of the site

  - by Coreal

  I have a web site on which I wish to enable instant messaging via IRC. Now I am about to buy VPS to host the ircd on. So, I will have two servers: one is for the web site and the other is for the ircd. The question is how to use the web site's domain name for the ircd?

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• Remote Debugging and deployment of a Project Built Locally

  - by Abhishek Gupta

  We work on our projects locally, and deploy them on remote servers for testing. This is currently done via git commits/push/pulls. But the problem here is that most of the commit contain errors and/or break the code in significant manner due to the lack of testing. Is there a way we can deploy the code on the remote server without using git commits, or some sort of temporary commits or patch or any other mechanism? And only commit, whenever it is important.

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• VMWare Lab Manager: What's the best way to build Library Configurations?

  - by mcohen75

  We're using Lab Manager within our QA group. We use it to quickly deliver environments we need for testing. We have 25 Templates, 14 Library Configurations and counting. To build up our templates we: Create a base template that is a bare bones version of Server 2008 + basic configuration (Windows Update, Firewall exceptions) Create a linked clone for each Server template we need (SQL Server 08, 05, etc) Repeat for other OS's, like Windows 7 and Windows XP Then we create configurations: Create a workspace configuration with multiple images in it (Say Server 08 w/SQL Server and Windows 7) Deploy the configuration and make some minor configuration changes Undeploy and Capture to Library How do we keep this manageable? When I need to update a configuration, should I: Rebuild it from templates Clone it to a workspace, make changes, recapture it to the library keep the configuration in my workspace (don't delete it after capturing it to library), deploy it to make changes and then re-capture to library

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• Service to automatically restart an instance that terminates unexpectedly?

  - by Phillip Oldham

  We have a DB server running on EC2 which we'd like to ensure stays up. Are there any services, or packages/software I can install somewhere, to monitor and restart servers if they terminate unexpectedly?

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• Does NAT change the source MAC address?

  - by user44073

  I'm trying to secure my home network but don't really need the complexity of a VPN so I'm trying to figure out other options. I'd like to allow my iPhone remote access to my home servers but I can't depend on the IP address because it changes quite often (due to the 3G network, etc). Can I filter incoming connections on my router (pfsense) by MAC address or does NAT change the source as it's passing through the different routers on the internet?

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• Why is IIS 7 giving me unreadble error messages?

  - by jesperlind

  I have seen this on several servers when developing in ASP.NET. Is this a encoding issue and how can I fix it? See the screenshot: http://codeodyssey.se/upload/iis7-jibberish-error.png

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• How to properly secure Windows Server 2008 R2 that will host SQL Server 2012?

  - by Max

  I am a .net programmer trying to create this setup: I want this server to be inaccessible through DMZ accept for IPSEC connections, and to also have a private network which will be accessible through another windows 2008 server which will host vpn. That is how our windows 2003 infrastructure works and I am trying to do the same with 2008 servers, are there any guides or documentations that have this scenario?

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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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• Bridging and iptables SNAT conflict

  - by sad_admin

  Hello I am working on a setup here and have it working with one minor exception. Devices on one side of my bridge aren't getting SNAT'd to the Internet. The Diagram / Overview: Primary_Network (Site_A) | | Internet ------- Linux_Bridge_GW (GW) | | Secondary/CoLo Site (Site_B) Here is the setup: 1.) Site_A has all the production servers and workstations. 2.) Site_B has a set of servers that we would like to fail-over to and also serve our internet facing services from. 3.) GW has two interfaces that are trunked and carrying the appropriate VLAN traffic (allow layer-2 propagation of traffic between sites) //this all works perfectly fine. 4.) The problem that is being encountered is, hosts from Site_B have their default GW at Site_A (same subnet) GW does not have IPs on the VLANs that are being passed. 5.) All hosts at Site_A can reach the Internet without problem. 6.) GW has an addresses on a subnet that is ONLY for Internet destined traffic. (This was done so that Websense would not have to parse unnecessary traffic. We use this VLAN as the monitor port's source on the switch where Websense is sitting). What I think is happening: 1.) Packet/Frame comes in on physdev at Site_B destined for Internet. 2.) Kernel sees packet, and forwards it out the other side of the bridge to that host's default GW. 3.) Site_A (containing core-network's Default-GW) sees that packet is destined for a host it doesn't know about, so it sends it to it's default GW (the linux bridge, since it's Internet bound). 4.) The kernel says "Hey, I've seen you before" and therefore doesn't do SNAT'ing on the packet and sends it out to the Internet where it's black-holed. Why I think it's happening: 1.) A tcpdump on the internet facing NIC shows the packet leaving the interface with the private address as it's source. What I would like: 1.) Have the packet SNAT'd. 2.) Something like the below would be awesome a.) packet comes in from Site_B b.) kernel sees that the packet is NOT destined for itself or any private address c.) kernel says "OK, well since you're destined for the Internet I'm going to send you out this interface rather than forward you to your normal default GW that's WAAAY over there." d.) packet comes in from internet and is sent out the appropriate bridge physdev depending on which site the host it's destined for is at. Thanks for any assistance or guidance that you are willing to offer. Best Regards, Sad Admin

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• How can I create an Computer Icon on Windows 8 Server Beta's Desktop?

  - by bernd_k

  For some bad reason Microsoft decided to remove all standard desktop icons besides the Recyle bin. It is easy to create shortcuts to each single disk using create shortcut method. But I would like to have the computer icon too. I guess there will be an increased demand to create useful shortcuts on Windows 8 Servers Desktop, because the metro surface 'on the backside of your screen' is just impractical.

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• scp stalls and ssh sessions freeze up (but eventually start again)

  - by coleifer

  I am running ubuntu on various computers on a home wireless network. Some are on 9.04x64, some 10.04x64 and one 9.04x32. Running scp with a large file starts out at 2.1 mbps and drops down to about 200k, stalling and dropping until the transfer is complete. I've noticed this when I have a secure shell open on any of these servers as well. I have tried this with 2 different routers, both brand new, different brands.

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• What would be a quick fix in case of server downtime due to sudden high traffic?

  - by PMoubed

  Let's consider a scenario like below: A small web blog build based on LAMP stack and deployed on a shared hosting. Suddenly it becomes popular in one day and it gets million hits per day. Since the developer have not consider high traffic, it caused server downtime and crashes. What would be a quick fix for such a scenario? BTW I know on cloud Servers I may be able to add more RAM or CPU to avoid that like in Amazon EC2.

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• What is /usr/bin/[ ?

  - by Josh

  I was just poking around in /usr/bin and I found an ELF binary file called [. /usr/bin/[. I have never heard of this file and my first thought was that it was a clever way of hiding a program, possibly a trojan. However it's present on all my CentOS servers and seems to have no manual entry. I can hazard a guess as to what it is but I was looking for a more authoritative answer...

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• How do I upgrade VIM to 7.2 when 7.1 is the only version listed in my aptitude?

  - by rspeicher

  I have two Ubuntu servers on which I'm trying to upgrade VIM to 7.2, but apt-get install vim only lists version 7.1 which is already installed. Same with a search in aptitude. I've made sure my sources are updated, but it looks like they're pulling from either 'intrepid' or 'hardy', which I assume is part of the problem. How should I go about installing 7.2?

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• FTP script needs blank line

  - by Ones and Zeroes

  I am trying to determine the reason for some FTP servers requiring a blank line in the script as follows: open server.com username ftp_commands bye Refer to blank line required after username credentials. Example from: FTP from batch file another reference to the same: http://newsgroups.derkeiler.com/Archive/Comp/comp.sys.ibm.as400.misc/2008-05/msg00227.html Also discussed here: archive.midrange.com/midrange-l/200601/msg00048.html "The behavior I'm observing is the same as if I didn't specify the password to login." with an answer referring to our same fix... archive.midrange.com/midrange-l/200601/msg00053.html and archive.midrange.com/midrange-l/200601/msg00065.html Note: It is my experience that FTP questions attract uncouth responses. Admittedly FTP is outdated, but many clients still have legacy systems, which they cannot upgrade or replace. The reason thereof should not be discussed here. The intention of this question is to invite a positive response. Please do not respond if you disagree with the above. If you have never encountered this same issue, please do not respond. I suspect this may be limited to FTP scripts executed from Windows machines, but have been told that this happens often and with many different servers. My specific interest is to understand what may cause this as I have a real world example of a production system suddenly requiring this as a workaround fix, after running for many years without issue. The server belongs to a third party who claims no change on their end. Server details unknown and cannot be determined. Any help or encouragement from someone who has come across the same, would be appreciated. ps. Sorry for the many words and references to painful responses, but I have asked similar questions on serverfault and elsewhere and unfortunately got back kneejerk responses to FTP and respondents debating the validity of the question. I would truly not ask, or re-post this question online if I had a better understanding of the issue. I know of people who have seen this issue, but don't know what causes it. I am wary that this question would again turn into another irrelevant discussion. Please, I ask very nicely: Please do not respond if you have not encountered a similar issue. FURTHER EDIT: Please do not suggest changing the product. The problem is not the blank line requirement. We know this fixes the issue. The problem is not being able to explain the reason for the blank line in the first place. Slight difference, but a critical point to note wrt the answering of this question.

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• How many Tomcat instances can one application server handle?

  - by NetworkUser

  My network engineer states I am part of a cluster where two apache application servers(512G RAM each) have 142 instances each of Tomcat (of which my company represents 6 each with 2G RAM). This seems like a lot and my latency issues move with the hour of the day - 7AM CST software functions fine, 10AM CST - system slows significantly this slowness continues until 6PM CST. My question is how many Tomcat instances can one application server handle?

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• Nginx error page using django master page

  - by user835199

  I am using python django to develop a web app and using nginx and gunicorn as servers. I need to define nginx error page (for error codes like 500, 501 etc), but i want to keep the layout same as that in other site pages. For site pages, i use the include functionality of django but in this case, since django won't preprocess the page, i need to create a pure html page. Is there a way to reuse the master page that i created in django for creating this error page?

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