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  • Configure all hosts, then create a list of the config for all hosts?

    - by AME
    I deployed a huge number of hosts with Ansible - which did work very nice. Each host got its individual settings and configuration. Now I'd like to generate a config file for another system that uses these hosts. For it, I need for every host a part of the generated configuration (the one that configures the database). Here is an example of the situation with two hosts having different configuration and the other system that uses a part of the Ansible-generated configuration: host1 ansible configured dbA host2 ansible configured dbQ The other system: host1 = dbA host2 = dbQ The values are computed differently (dbQ instead of dbB for host2 for example) if it belongs in a different cluster and so on, making it unpractical to just read out host configuration from the host_vars. I believe I would need to iterate over the hosts and let Ansible figure out the computed values for the variables like it would when deploying, but I do not know how to put that result in one template. Please advise :)

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  • Upgrading OpenSSL in CentOS 5.3

    - by Lin
    I want to use one IP to host many domains with individual SSL certificates (requires SNI). In CentOS 5.3, the latest version of OpenSSL I can find an RPM for is 0.9.8e, which does not support SNI. I want to upgrade to 0.9.8k but I can't find an RPM. I could compile from source, but if I try to remove the existing OpenSSL package through yum, it wants me to remove all packages that depend on OpenSSL (100+ packages). EDIT: I ended up installing 0.9.8k without overwriting the previous version. Now I both avoid breaking dependencies and can use SNI. Was this the best action?

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  • VirtualBox won't use any kind of hardware acceleration

    - by burnersk
    I see an problem with VirtualBox hardware acceleration functionality... My system configuration: MSI PH67A-C43 (B3) (BIOS: 2.70) Intel Core i5-2400 Windows 7 Professional SP1 64-bit Oracle VirtualBox 4.1.10 Oracle VirtualBox Extension Pack 4.1.10 I can select the individual acceleration options such as PAE/NX, VT-x/VMD-V or Nested Paging within VM-Settings but if I start the VM the accelerations will be disabled as of the tooltip from CPU (right next to shared folders). Each acceleration is "Disabled". Does this sounds familar to anybody? How can I solve this?

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  • which drive do I mount

    - by Crash893
    I have a system hdd then two raid1 hard drives I see that sda1 is the system drive but when i do a fdisk -l I get the following results so which of the following do i need to mount to get the "raid" drive and not the individual hdd? root@Mxxxx-PDC:/etc/samba# fdisk -l Disk /dev/sda: 251.0 GB, 251000193024 bytes 255 heads, 63 sectors/track, 30515 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x000762dc Device Boot Start End Blocks Id System /dev/sda1 * 1 30328 243609628+ 83 Linux /dev/sda2 30329 30515 1502077+ 5 Extended /dev/sda5 30329 30515 1502046 82 Linux swap / Solaris Disk /dev/sdb: 400.0 GB, 400088457216 bytes 255 heads, 63 sectors/track, 48641 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 1 48641 390708801 83 Linux Disk /dev/sdc: 250.0 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x0009f4b2 Device Boot Start End Blocks Id System /dev/sdc1 * 1 255 2048256 fd Linux raid autodetect /dev/sdc2 256 30401 242147745 fd Linux raid autodetect Disk /dev/sdd: 250.0 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x000b7f4c Device Boot Start End Blocks Id System /dev/sdd1 * 1 255 2048256 fd Linux raid autodetect /dev/sdd2 256 30401 242147745 fd Linux raid autodetect

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  • How do I configure pfsense as an outbound VPN client?

    - by Avery Chan
    We use pfsense as a router/firewall. Because we're based in China, it is useful for us to have VPN access for all our internal clients. Instead of each individual client connecting to a VPN server stateside, I'd like to configure pfsense as a VPN client and have all the network traffic be routed through it. Most of the posts I've seen regarding pfsense and VPN are concerning connecting to the LAN from outside; this is not what I want to do. Another option would be for an SSH tunnel to be initiated on the pfsense box with the LAN traffic routed through it. How do I configure pfsense to be able to do either of these? One huge caveat is that OpenVPN cannot be used. The solution I am looking for needs to use one of the other VPN protocols.

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  • Refering to a Cell in a Different Workbook

    - by Anna
    I work between different spreadsheets, and I like to have one main workbook that links to certain cells in other workbooks. For example, I will do a statement of business activities workbook that has all the business expenses listed, and then I will have individual workbooks for each expense account. In the old excel, I would just put =(and then go to the workbook that i wanted, and then select the cell i wanted and then hit enter) and it would put the amount from that specific cell in my statement of business activities. When I try to do that in excel 2010, I put the equals sign in the cell, and then go to the other workbook and find the cell I want, and when I hit enter, it just moves down a line and nothing happens in the other workbook. How can I get this to work again, what do i need to do??

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  • Identify SATA hard drive

    - by Rob Nicholson
    Very similar question to: Physically Identify the failed hard drive But for Windows 2003 this time. Scenario: Four identical SATA hard drives plugged into motherboard (no RAID controller here) Configured as single drive in Windows as a spanned volume One of them is starting to fail with error "The driver detected a controller error on \Device\Harddisk3" How do you cross-reference Harddisk3 to the physical SATA connection on the motherboard so you know which drive to replace? I know replacing this drive will trash the spanned array requiring it to be rebuilt anyway so my rough and ready solution is: Delete the spanned partition Create individual partitions on each drive labelled E: F: G: and H: and work out which one is Harddisk3 Power down, remove each disk one at a time, power-up until the drive letter disappears But this seems a rather crude method of identifying the drive. The SATA connectors will be numbered on the motherboard but I appreciate this might not cross-match to what Windows calls them. Thanks, Rob.

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  • A network share folder is invisible to users

    - by Myrddin Emrys
    I have a network share folder that I was recently cleaning up permissions to. I took off the four individual names from the access permissions to the folder, and added a new security group (Universal) with standard Read/Write permissions to that folder, then added those 4 people to the group. However... now nobody can see the folder. The users can see the other 9 folders in that shared drive, but the 10th is missing. I cannot see any security permission in the parent folder or in the folder itself which would cause it to be invisible to anyone, regardless of whether they have permission to open it or edit files within.

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  • Logging with Resource Monitor?

    - by Jay White
    I am having sudden spikes in disk read activity, which can tie up my system for a few seconds at a time. I would like to figure out the cause of this before I set my machine to go live. With Performance Monitor I know I can log activity, but this does not show me individual processes that cause a spike. Resource Monitor allows me to see processes, but I have no way to keep logs. It seems unless I have Resource Monitor open at the time of a spike, I will not be able to identify the process causing the spike. Can someone suggest a way to log with Resource Monitor, or an alternative tool that can?

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  • ZFS: RAIDZ versus stripe with ditto blocks

    - by RandomInsano
    I'm going to build a ZFS file server from FreeBSD. I learned recently that I can't expand a RAIDZ udev once it's part of the pool. That's a problem since I'm a home user and will probably add one disk a year tops. But what if I set copies=3 against my entire pool and just throw individual drives into the pool separated? I've read somewheres that the copies will try and distribute across drives if possible. Is there a guarantee there? I really just want protection from bit rot and drive failure on the cheap. Speed's not an issue since it'll go over a 1Gb network and at MOST stream 720p podcasts. Would my data be guaranteed safe from a single drive failure? Are there things I'm not considering? Any and all input is appreciated.

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  • Retuning voice in full song so that singer is on-tune

    - by Dan W
    I have some potentially great songs which are spoilt by singers who sing out of tune. Is there any easy to use (and hopefully cheap) software that 'corrects' the song so that they're not off-tune anymore? I don't mind too much if the backing is somewhat affected too, if the state-of-the-art isn't quite there yet. I've heard of auto-tune of course, but as far as I know, that's before the song is put together (i.e. the singer's voice as an individual track, before it's mixed with the backing).

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  • Multiple SSIDs better or worse

    - by swiss196
    I'm just setting up a network in a student house with 10 rooms, 3 floors. Configuration at the moment is as follows: Virgin Media 100mb Cable Virgin SuperHub on ground floor broadcasting on SSID1 Second AP(Edimax) wired on middle floor broadcasting on SSID2 These two networks server all 3 floors fairly well but I was wondering whether it would be better to setup an individual SSID for each floor (both the routers allow me to configure up to 3 ssids on each!). Would this help with speed issues, i.e if someone on the top floor is downloading/streaming etc, this wouldn't affect someone on the middle floor on a different SSID Or, will it have no effect? Thanks, Dave

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  • SVN - Migrate to new server

    - by Jeff Bilbro
    We recently acquired another company that brought with them some crufty old linux servers. One of them is their SVN server - which died last night. I don't know a lot about Subversion, but I have reading up on it this morning - as you can imagine. We do have backups, but their just the whole directory tree for the subversion, not individual dumps. Since the server is now dead, I cannot do any dumps. How do I migrate that Subversion directory to a new server and get it up and running again? I'm not seeing a lot of examples. The new server is a VM running RHEL5. Thanks, Jeff

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  • Web based interface for open SSL client certificates

    - by Felix
    Hi there! We are currently developing a apache2-based web application and want to invite some beta testers to give it a try. To be on the safe side, access should be provided by individual browser certificates (.p12) which are issued using a (fake) CA. Our users should be passing a complete register/login process and some of them will be granted administrative privileges within the application. That's why a preceding simple web-based authentication won't be sufficient. Atm, I am using a serverside shellscript to generate the certificates each time. Do you know about a small, web-based tool to simplify the process of generating / revoking those certificates? Maybe an overview of the CA's index.txt plus the option to revoke a cert and a link to download them directly?

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  • I noticed the answer to the Aug 2009 question of using VBA to set Custom Flag values

    - by Gary
    We are actively using the Follow Up mail feature to assign users to particular mail follow up items. Although mail item follow ups are generally the province of the individual user, by changing the flag value from "Follow Up" to "User name", we can see each other's follow up tasks and group on responsible party. Currently we accomplish the Flag value change manually. My sense is the easiest way to perfect the process is a separate macro for each user. Along the lines of the macro to change the star/end due date to end of month, please define the macro to re-assign the Flag value for each highlighted mail item (previously assigned by default). Thank you very much.

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  • Colour table cells in Microsoft Word after mail merge

    - by James
    I have an Excel spreadsheet of student data. For each of 30 topics, students are traffic lighted R, A or G (for red, amber, green) in the spreadsheet. I am mail merging individual result print-outs in Word 2010. However, rather than printing the letter R/A/G next to each topic, I would rather change the background colour of the cell to that colour. How can I do this? Is there an option with merge fields or can it be done with a macro (please provide sample code if so - I don't have experience with macros!)

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  • avoid dupllcate copies in thunderbird when using gmail labels

    - by mandy
    I like the system of multiple gmail labels but am concerned about space used. I think that TB stores a separate copy of the whole email in every folder corresponding to a gmail label [including a copy in the "allmail" folder along with a separate copy in the each of the other folders]. Can I arrange to store a single copy of the email in TB,[perhaps in the allmail folder] with a shortcut type pointer from the individual folders to that single copy.[i.e for every email with one gmail label [eg personal] there are already 2 copies in TB, one in the allmail folder and a second in the "personal" folder

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  • How can I make Windows XP bootable again?

    - by Scott Severance
    Some time ago, I replaced my hard drive. Foolishly, I imaged the individual partitions, not the entire drive. That meant that my system was unbootable. For my primary OS (Linux), that was no problem as I could simply re-run GRUB. However Windows XP remains unbootable. The machine in question is a netbook which doesn't have a CD drive or a restore partition, so I can't boot from a Windows CD and run fixmbr. How can I fix Windows? Here's a picture of what I see when I try to boot Windows from the GRUB menu: I don't actually have an XP CD, since of my two machines, the netbook in question has neither a restore partition nor a CD, and my other XP machine only came with a restore partition. So I'll also need a way to get hold of the necessary files.

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  • Port Forwarding on Actiontec GT704-WG Router Issues

    - by adamweeks
    I am trying to setup a server at customer's location that has the Actiontec GT704-WG DSL router. The port forwarding it not working at all. Here's the details: Server: OpenSuse Linux box with a static IP address of 192.168.1.200 Application running accepting connections on port 8060 Firewall disabled Local connections (within the network) working properly Router: Updated to latest firmware available DHCP range set to 192.168.1.69-192.168.1.199 to not have any conflicts with the server Firewall set to "off" Rule set in the "Applications" setting to forward 8060 TCP and UDP to 192.168.1.200 machine (I've tried using the "TCP,UDP" option as well as both individual options) I've also tried just simply putting the server in the DMZ to see if I could connect to anything, but still nothing. Looking for any clues before I call and waste hours explaining the issue to tech support.

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  • Zimbra Relaying from Postfix connection timed out sending multiple emails?

    - by liamTc
    I have a web server setup with postfix which is relaying email to a zimbra server. This working fine however I have attempted to send a few thousand emails and now the connection from postfix to zimbra is timing out. All of the emails have been deferred on the postfix queue. If I try to send individual emails from postfix to zimbra it works fine. But if I try to flush the postfix queue all of the emails time out. In mail.log the emails look like this: postfix/error[2494]: 32B0950C04: to=, relay=none, delay=19431, delays=19402/29/0/0.01, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to mail.server.com[123.45.678.91]:25: Connection timed out) I have also noticed that in the above message it says "relay=none" for these emails that are failing. But the emails that do send say "relay=domainname.com". How I can resolve this, by sending the emails in the queue and avoiding this from happening again?

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  • 4TB HGST SATA drive only shows 1.62 TB in Windows Server 2012

    - by user136085
    I'm using a Supermicro X9SRE-3F motherboard with the latest BIOS and 2x 4TB drives connected to the on-board SATA controller. If I set the BIOS to RAID and create a RAID 1 array, the array shows up in the BIOS as 3.6TB. However when I boot Windows (on a separate RAID 1 array), the 4TB drives show up individually in disk manager as 2x 1.62TB drives. I could use Windows 2012 to set up software RAID 1, but when I set the BIOS back to 2x individual drives, they still show up in Windows as 2x 1.62TB drives. How do I access the full capacity of these drives? Thanks, Brian Bulaw

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  • How to design a high-level application protocol for metadata syncing between devices and server?

    - by Jaanus
    I am looking for guidance on how to best think about designing a high-level application protocol to sync metadata between end-user devices and a server. My goal: the user can interact with the application data on any device, or on the web. The purpose of this protocol is to communicate changes made on one endpoint to other endpoints through the server, and ensure all devices maintain a consistent picture of the application data. If user makes changes on one device or on the web, the protocol will push data to the central repository, from where other devices can pull it. Some other design thoughts: I call it "metadata syncing" because the payloads will be quite small, in the form of object IDs and small metadata about those ID-s. When client endpoints retrieve new metadata over this protocol, they will fetch actual object data from an external source based on this metadata. Fetching the "real" object data is out of scope, I'm only talking about metadata syncing here. Using HTTP for transport and JSON for payload container. The question is basically about how to best design the JSON payload schema. I want this to be easy to implement and maintain on the web and across desktop and mobile devices. The best approach feels to be simple timer- or event-based HTTP request/response without any persistent channels. Also, you should not have a PhD to read it, and I want my spec to fit on 2 pages, not 200. Authentication and security are out of scope for this question: assume that the requests are secure and authenticated. The goal is eventual consistency of data on devices, it is not entirely realtime. For example, user can make changes on one device while being offline. When going online again, user would perform "sync" operation to push local changes and retrieve remote changes. Having said that, the protocol should support both of these modes of operation: Starting from scratch on a device, should be able to pull the whole metadata picture "sync as you go". When looking at the data on two devices side by side and making changes, should be easy to push those changes as short individual messages which the other device can receive near-realtime (subject to when it decides to contact server for sync). As a concrete example, you can think of Dropbox (it is not what I'm working on, but it helps to understand the model): on a range of devices, the user can manage a files and folders—move them around, create new ones, remove old ones etc. And in my context the "metadata" would be the file and folder structure, but not the actual file contents. And metadata fields would be something like file/folder name and time of modification (all devices should see the same time of modification). Another example is IMAP. I have not read the protocol, but my goals (minus actual message bodies) are the same. Feels like there are two grand approaches how this is done: transactional messages. Each change in the system is expressed as delta and endpoints communicate with those deltas. Example: DVCS changesets. REST: communicating the object graph as a whole or in part, without worrying so much about the individual atomic changes. What I would like in the answers: Is there anything important I left out above? Constraints, goals? What is some good background reading on this? (I realize this is what many computer science courses talk about at great length and detail... I am hoping to short-circuit it by looking at some crash course or nuggets.) What are some good examples of such protocols that I could model after, or even use out of box? (I mention Dropbox and IMAP above... I should probably read the IMAP RFC.)

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  • Network-Backup-Software with file versioning and web-interface

    - by dlang
    Dear All! I would like to backup our business-data to a remote backup-server. We would like to set-up our own backup-server running on any operating system (windows appreciated) which comes with a web-interface, that enables to restore individual versions of one file. Because budget is limited, an open-source software or at least a cheap software is a must! Unfortunately I couldn't find even a single software, which fulfills the requirements of file versioning and web-interface for single file-restore. Do any of you have already set-up such a system? Best regards, Daniel Lang

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  • Providing internet access to users in an Enterprise (MPLS ) Network

    - by Vivek Bernard
    Scenario I'm planning to setup a typical Head Office - Branch Office(s) Network Setup. there will be 25 branch offices in India of two will be overseas (one in US and the other in UK). All these will be connected via MPLS. Additional details: No of Concurrent users in each office is going to be 25 tranlating to 650 users The requirement is to provide "proxied" internet connectivity to the branch offices. How should I go about doing it? Plan A: Buying an internet leased line in the Head Office and distribute it through an internal proxy server to all the branches Plan B Buying separate internet lines for all the branches and setup individual proxies to all the branch offices.

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  • How to calculate Bradford Factors with Excel 2007?

    - by pnuts
    Bradford Factors are used by some to measure the significance of absenteeism and are computed for each individual as S squared * D where S is the number of spells (continuous periods of absence) and D is the sum of the days. The calculation is often made over a rolling 52 weeks. Commercial HR software often has the facility to calculate these factors but a Google search indicates quite a lot of interest without any free solutions. Using units of half a day and including any non-working days in each spell, how does one calculate the factors using Excel 2007?

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