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  • VPS with multiple domains, can EXIM send mail from a different domain?

    - by Mike L.
    I building a site for a client on a VPS running CentOS 5.5 with cPanel WMH 11.28.60. The original domain is XXXXXinvestmenttrust.com. He has about a dozen domains on this server. The site I am building will have confirmation emails as well as provide users to anonymize their email address (like craigslist) I set up email piping to forward emails, but they are all being trapped in the spam folder. A close look at the headers, the emails appear to be comming from [email protected] rather than the actual domain. The IP has a rating of Neutral on www.senderbase.com. I believe it is the conflicting information in the header (the fields set by me, specify the actual domain where the headers put in place by EXIM specify to name of the server) Somewhere I read about SPF & MX entries can fix this, but I have been unable to figure out how. Also, All of the domains use the same IP, and the other websites do not send emails. So I could possibly make the domain in question, the primary (where all emails are sent from that domain by default) Is that possible?

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  • How can I show grouping in a WPF Data Grid with multiple levels?

    - by Keith
    I am relatively new to WPF, so I understand about Styles and setters, but I am having trouble on this one. I am using a WPF Data Grid and need to show multiple levels of grouping. I would like the 2nd and 3rd group levels to be more indented than the top level. The following code will show group levels, but it shows them one right on top of the other and makes the fact that they are nested group levels impossible to tell. <Style x:Key="GroupHeaderStyle" TargetType="{x:Type GroupItem}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type GroupItem}"> <Expander IsExpanded="True"> <Expander.Header> <TextBlock Text="{Binding Path=Name}"/> </Expander.Header> <ItemsPresenter /> </Expander> </ControlTemplate> </Setter.Value> </Setter> </Style> How can I get the group header to indent based on level?

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  • GNU Screen: one window per screen or one screen with multiple windows?

    - by yalestar
    I've inherited a few sys admin tasks recently and am trying to wrap my head around using screen. The way the previous guy left it, there are four screen sessions running, some of which have two or three windows running within. It doesn't appear that he was using any particular convention, so I ask you: Is it better to have each process in its own screen session, or better to group similar processes into a single screen? Or something different entirely?

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  • How to set multiple subdomains in the host file (DNS)?

    - by Milos
    I have a lot of subdomains in the main domain xxx.zzz So, for this domain, I can have aaa.xxx.zzz bbb.xxx.zzz ccc.xxx.zzz ddd.xxx.zzz eee.xxx.zzz ....ETC.... Istead of adding each subdomain in the host file, I would like to add only the main domain xxx.zzz and then to be able to access all the subdomains. I have tryed with *.xxx.zzz but apparently, this will not work (Linux or Windows). Any idea is welcome. Thank you very much.

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  • Anyone knows an IMAP proxy, single client to multiple servers?

    - by dtrosset
    I am looking for an IMAP proxy that would allow me to use it as a single server from my mail reader. But behind the scenes, I'd like this proxy to act as a client to my 3 email accounts IMAP servers transparently. In the end, I want my mail client to show a single INBOX with all the mail from the 3 servers'INBOXES. +-- IMAP --> MailServer0 MailClient -- IMAP --> PROXY --+-- IMAP --> MailServer1 +-- IMAP --> MailServer2 Anyone knows about such a piece of software?

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  • IIS 7 Application Pools using a different amount of memory on multiple servers behind a load balancer

    - by Jim March
    We have 6 servers in a web farm behind an F5. There are approximately 25 AppPools on each of these servers. On servers 1 - 5 the apppools are consuming approx 500MB Private Bytes, and 5GB Virtual Bytes. On server 6 the apppools are consuming approx 800MB Private Bytes, and 8GB Virtual Bytes. I can not seem to figure out why we have this difference. The code is the exact same on each box. We replicate the apphost.config between the boxes, so the Appplication Configs are identical. The only difference seems to be that this box consumes more RAM, and in turn ends up using a lot more CPU. During Black Friday we observed the CPU on server 6 spiking to 100% and noticed that the % Memory Commit was also near 100%, while the rest of the farm was at closer to 50% utilization. Pulling the 6th server from the load balancer dropped CPU/Memory on the 6th server back to normal, and did not cause a noticeable strain on the other servers.

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  • How do I combine data from multiple rows in excel to one cell?

    - by Steve
    I have a list of product skus in one column in excel. I have thousands of these skus that need to be combined in one cell separated by commas with no spaces. There are too many rows of data to use the concatenate function. Not sure how to get this done. Here's an example of what I'm working with but with 6,000+ more rows. I'm using Excel 2003. A 140-12 1074-156 903-78 876-65 349-09 986-43 237-12 342-11 450-187 677-133

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  • How to read from multiple queues in real-world?

    - by Leon Cullens
    Here's a theoretical question: When I'm building an application using message queueing, I'm going to need multiple queues support different data types for different purposes. Let's assume I have 20 queues (e.g. one to create new users, one to process new orders, one to edit user settings, etc.). I'm going to deploy this to Windows Azure using the 'minimum' of 1 web role and 1 worker role. How does one read from all those 20 queues in a proper way? This is what I had in mind, but I have little or no real-world practical experience with this: Create a class that spawns 20 threads in the worker role 'main' class. Let each of these threads execute a method to poll a different queue, and let all those threads sleep between each poll (of course with a back-off mechanism that increases the sleep time). This leads to have 20 threads (or 21?), and 20 queues that are being actively polled, resulting in a lot of wasted messages (each time you poll an empty queue it's being billed as a message). How do you solve this problem?

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  • Best way to run multiple queries per second on database, performance wise?

    - by Michael Joell
    I am currently using Java to insert and update data multiple times per second. Never having used databases with Java, I am not sure what is required, and how to get the best performance. I currently have a method for each type of query I need to do (for example, update a row in a database). I also have a method to create the database connection. Below is my simplified code. public static void addOneForUserInChannel(String channel, String username) throws SQLException { Connection dbConnection = null; PreparedStatement ps = null; String updateSQL = "UPDATE " + channel + "_count SET messages = messages + 1 WHERE username = ?"; try { dbConnection = getDBConnection(); ps = dbConnection.prepareStatement(updateSQL); ps.setString(1, username); ps.executeUpdate(); } catch(SQLException e) { System.out.println(e.getMessage()); } finally { if(ps != null) { ps.close(); } if(dbConnection != null) { dbConnection.close(); } } } And my DB connection private static Connection getDBConnection() { Connection dbConnection = null; try { Class.forName(DB_DRIVER); } catch (ClassNotFoundException e) { System.out.println(e.getMessage()); } try { dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER,DB_PASSWORD); return dbConnection; } catch (SQLException e) { System.out.println(e.getMessage()); } return dbConnection; } This seems to be working fine for now, with about 1-2 queries per second, but I am worried that once I expand and it is running many more, I might have some issues. My questions: Is there a way to have a persistent database connection throughout the entire run time of the process? If so, should I do this? Are there any other optimizations that I should do to help with performance? Thanks

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  • Can I split one ethernet line coming out of my wall into multiple separate lines?

    - by Burteçin 'Turk' Sapta
    Hi all and thanks in advance. I'll start with some background. I live in an apartment which provides internet service included in the rent. They use company called pavlov for the internet http://pavlovmedia.net/ wireless seems to be working fine but wired connection is at least %30 faster. Ethernet, cat5 outlet is built in the wall, and there is only 1 outlet in each room. I would like to take this 1 outlet coming out the wall and multiply it into 4 wires, for desktop, playstation, tv and laptop without loosing any internet bandwidth. i have absolutely no idea weather this line is coming from a switch or a router but i have been researching Ethernet splitter, routers, switches, hubs and haven't found a solid answer. what is the best solution for me? thank you once again! EDIT: ok this picture cleared few things http://www.home-network-help.com/images/home-network-expanded.jpg so seems that an ethernet switch is to ethernet as a USB hub is to USB. what is really 10/100Mbps Network Switch and what is the cap?

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  • Subquery with multiple results combined into a single field?

    - by Todd
    Assume I have these tables, from which i need to display search results in a browser: Table: Containers id | name 1 Big Box 2 Grocery Bag 3 Envelope 4 Zip Lock Table: Sale id | date | containerid 1 20100101 1 2 20100102 2 3 20091201 3 4 20091115 4 Table: Items id | name | saleid 1 Barbie Doll 1 2 Coin 3 3 Pop-Top 4 4 Barbie Doll 2 5 Coin 4 I need output that looks like this: itemid itemname saleids saledates containerids containertypes 1 Barbie Doll 1,2 20100101,20100102 1,2 Big Box, Grocery Bag 2 Coin 3,4 20091201,20091115 3,4 Envelope, Zip Lock 3 Pop-Top 4 20091115 4 Zip Lock The important part is that each item type only gets one record/row in the return on the screen. I accomplished this in the past by returning multiple rows of the same item and using a scripting language to limit the output. However, this makes the ui overly complicated and loopy. So, I'm hoping I can get the database to spit out only as many records as there are rows to display. This example may be a bit extreme because of the 2 joins needed to get to the container from the item (through the sale table). I'd be happy for just an example query that outputs this: itemid itemname saleids saledates 1 Barbie Doll 1,2 20100101,20100102 2 Coin 3,4 20091201,20091115 3 Pop-Top 4 20091115 I can only return a single result in a subquery, so I'm not sure how to do this.

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  • Is there a find and replace application with multiple rules?

    - by Joe
    I'm looking for a search and replace tool that takes a list of rules and either a file (or directory) and runs those rules on the files. I have a bunch of different things that need to be changed in many files, and I'd like to be able to run all the rules in one shot. I was hoping I could put the rules separate file, and use the same set of rules over and over again. Does such a tool exist?

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  • Can you have multiple PHP 5.x versions with cPanel 11.3x?

    - by atomicguava
    I've been Googling around for a while on this one but I haven't found a good answer yet! Is it possible to set up cPanel 11.3x so that it can run different versions of PHP 5.x (e.g. 5.2, 5.3 and later on 5.4) for each of the configured apache vhosts / domains? It would be great to do this either using .htaccess, php.ini or a setting within cPanel itself. I've seen EasyApache 3 mentioned in the documentation but even after reading through several times I haven't seen a definitive yes or no for whether this is possible - please let me know if you need any more info. This was the documentation I found for EA3: http://goo.gl/IH1sP

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  • How to play multiple videos side-by-side synchronized?

    - by Don Salva
    I've got 3 videos, all 3 have the same time, same amount of frames, and they only differ in terms of encoding quality. Now I need them to run side-by-side in synchronized fashion for evaluation purposes. Meaning when I press "play" BOTH! videos should start. Analogically for stop, forward, backward. Anyone know any player capable of doing that? By that I mean playing more than 1 video side-by-side... Platform: Win7

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  • What should I use to ping multiple IPs and get notified of time outs?

    - by HumanVirus
    I've been using MultiPing to ping hundreds of IPs (from access points and such) and check their performance (packet loss, latency) and uptime. The program is very easy to use, but I was wondering if someone could recommend me something that would work better and that would also work in Linux. The features I'm looking for are: Notification Types: At least desktop notifications and SMS, but it would be great if it also had e-mail, IM, or other types of notifications. (MultiPing has some of these, but they don't work too well.) Being notified about the root problem only: Since some devices are dependent on others, I'd like to be notified only about the root problem. E.g. Let's say I have A[x.x.x.222]B[x.x.x.33C[x.x.x.44]D[x.x.x.55], and B goes down, therefore C and D will also be down. Is it possible to get a notification only about B being down? Light on resources. Ideally multiplatform or at least available for both Linux and Windows. I've heard about Nagios and Shinken being used for monitoring. Would you recommend that I use something of the sort or would that be too much for my needs? If using Nagios, Shinken, or similar software is recommended, can anyone tell me what sites I should go to or what books I should get that would be good for someone who is totally new at this? I'd appreciate any suggestions.

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  • Can I filter multiple column headers to display subheadings of each in Excel?

    - by Gigi
    I can't seem to find this anywhere... it may not even be possible without coding? I have a spreadsheet containing more than one heading in a single column. These headings are identified with blue background and white font. Each of these headings have items listed below them. These "subheadings" are smaller, auto-black font and no fill background. Currently I have to scroll down the spreadsheet to view all headers and their contents. How do I create a filter that would allow me to sort on whichever header I want, so that (only) the contents of that particular header are displayed?

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  • SQL Server 2005 Disk Configuration: Single RAID 1+0 or multiple RAID 1+0s?

    - by mfredrickson
    Assuming that the workload for the SQL Server is just a normal OLTP database, and that there are a total of 20 disks available, which configuration would make more sense? A single RAID 1+0, containing all 20 disks. This physical volume would contain both the data files and the transaction log files, but two logical drives would be created from this RAID: one for the data files and one for the log files. Or... Two RAID 1+0s, each containing 10 disks. One physical volume would contain the data files, and the other would contain the log files. The reason for this question is due to a disagreement between me (SQL Developer) and a co-worker (DBA). For every configuration that I've done, or seen others do, the data files and transaction log files were separated at the physical level, and were placed on separate RAIDs. However, my co-workers argument is that by placing all the disks into a single RAID 1+0, then any IO that is done by the server is potentially shared between all 20 disks, instead of just 10 disks in my suggested configuration. Conceptually, his argument makes sense to me. Also, I've found some information from Microsoft that seems to supports his position. http://technet.microsoft.com/en-us/library/cc966414.aspx In the section titled "3. RAID10 Configuration", showing a configuration in which all 20 disks are allocated to a single RAID 1+0, it states: In this scenario, the I/O parallelism can be used to its fullest by all partitions. Therefore, distribution of I/O workload is among 20 physical spindles instead of four at the partition level. But... every other configuration I've seen suggests physically separating the data and log files onto separate RAIDs. Everything I've found here on Server Fault suggests the same. I understand that a log files will be write heavy, and that data files will be a combination of reads and writes, but does this require that the files be placed onto separate RAIDs instead of a single RAID?

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  • Is it preferable to use POP or IMAP to check multiple google mail accounts from one?

    - by Adam Tuttle
    I have email accounts on several domains that use Google Mail, and thus far I've only ever used POP to send and receive mail from a single inbox. This is quite functional, and as long as I remember to select the appropriate FROM address when starting a new thread, mostly works without any additional thought: messages received on account A are replied to via account A, and so on. My only complaint is the lag -- I've seen sometimes as much as a half hour between messages arriving in an inbox before being imported into my primary inbox via POP. My question is this: Google also supports IMAP. Would that be in any way preferable over POP access? Reduced lag would be nice, but not at a general speed cost, if everything I do has to check another mailbox too.

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  • how to align multiple div's next to each other?

    - by Ashok Kumar
    I am new to Html,I'm trying to align multiple div's next to each other horizontally. i tried float property and display inline property also, but nothing works correctly.can anyone suggest any methods for it? my code: #display2letter { width:150px; height:50px; background-color:grey; box: 10px 10px 5px #888888; } #display3letter { width:150px; height:50px; background-color:blue; box: 10px 10px 5px #888888; } #display4letter { width:150px; height:50px; background-color:grey; box: 10px 10px 5px #888888; } #one { position:fixed; left:23%; } #two { position:fixed; left:23%; } #three { position:fixed; left:23%; } here is the fiddle http://jsfiddle.net/pGHS9/1/

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  • is there a linux equivalent of iTerm(mac) sending command to multiple tabs functionality?

    - by jabbertalker
    in iTerm, you can send a command to execute simultaneously on a set of already opened tabs. Is there a way to do this in linux (with gnome-terminal preferably)? for instance, supposed that I had 10 tabs already ssh'd into [email protected] and sudoed to root and wanted to send a command to run on all 10 tabs. The goal of this is to be able to stay within a set of tabs and command them, rather than having to use expect scripts to ssh and elevate and run commands. Basically, like how you could do in iTerm.

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  • How best to automatically deal with multiple site_ruby locations?

    - by cclark
    Is there a way to automatically append to $: variable in ruby to account for additional site_ruby locations? Ruby is installed in /usr/local/ and using gem_install will properly install the new ruby files in to /usr/local/lib/ruby/site_ruby. However there are some RPMs for ruby bindings to tools like shadow which we'd like to install and they install to /usr/lib/ruby/site_ruby (no local). Is there a standard way to tell ruby that this directory should also be included by default? I know scripts could dynamically update $: or they could be called with -I but it seems like this is something that should be handled in the install. Has anyone else found a clean way around this kind of problem? thanks, chuck

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