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• what constitutes out-of-band access to a server?

  - by broiyan

  The first time I access my server with a new installation of Filezilla or Putty, I will get prompted that I should continue only if the RSA key shown to me is correct. The cloud provider has advice on their website that I ought to use their AJAX console to get a key out-of-band with which to compare to the one shown by Filezilla. The AJAX console is launched from a link on the cloud provider's website which requires a login. Exactly how is this AJAX console considered to be out-of-band when it obviously is not a form of physical access to the server?

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• Is it safe to use consumer MLC SSDs in a server?

  - by Zypher

  We (and by we I mean Jeff) are looking into the possibility of using Consumer MLC SSD disks in our backup data center. We want to try to keep costs down and usable space up - so the Intel X25-E's are pretty much out at about 700$ each and 64GB of capacity. What we are thinking of doing is to buy some of the lower end SSD's that offer more capacity at a lower price point. My boss doesn't think spending about 5k for disks in servers running out of the backup data center is worth the investment. Just how dangerous of an approach is this and what can be done to mitigate these dangers?

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• Can I redeploy Citrix Xencenter Images in Amazon EC2?

  - by Mike Pinch

  Okay - I'm running Citrix Xencenter in my datacenter. My understanding is that Amazon EC2 is a very customized flavor of Xencenter. Based on that, I would like to know whether there is a method to utilize the .VHD disk images generated by Citrix Xencenter in the Amazon EC2 cloud. I realize that I can install tools into the OS and make my own images but that is not what I'm looking for. I'd like the efficiency of taking the images and redeploying them, or at least converting then redeploying. I basically would like to have all my backups running in the cloud, so that is my motivation.

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• Firefox location bar search: odd behaviour with Comodo firewall

  - by JNat

  I recently installed Comodo firewall, and it changed the behaviour of my Firefox location bar. I used to type something there and it either redirected me to a google search page or it actually redirected me to the site I wanted at once: If I typed 'imdb cloud atlas' it would redirect me to IMDB's page on Cloud Atlas, and the same would happen if I typed 'wiki' or 'wikipedia', redirecting me to Wikipedia's page on it. Now, it redirects me here. I checked this page and everything is according to what they describe, yet it doesn't seem to act the way it should. And there are no Comodo add-ons or extensions installed on Firefox. Can anyone help me?

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• Environment variable for volume names in Windows?

  - by Shinrai

  I'm trying to write a batch file that will look at the volume label of the current drive and report if it's not equivalent to a certain string. Is there a default variable in the shell for this? Can I define one? Am I SOL and I'll actually have to do some (shudder) programming? EDIT: If this is possible in PowerShell that would work fine. (For the curious, we ship our machines with software cloning as a rapid bootable backup solution since most of our customers are daytraders and aren't interested in RAID due to urgency of getting-the-hell-back-to-work-right-away if there's a software corruption problem, and we want to make it immediately obvious if they're booting to the backup drive unintentionally, like say the primary failed entirely. The hope was just to write a simple batch file that would autostart on boot and throw a warning in the event of a problem.)

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• Toshiba Equium A110-252 laptop won't boot Windows.

  - by Drew Gibson

  I have a Toshiba Equium A110-252 laptop (XP Pro) which stopped booting a couple of weeks ago. The symptoms are that the laptop would display its DOS Toshiba splash screen, then the Windows (XP) boot screen would display, then a very brief blue screen flash, then back to the boot options screen (offering safe mode, safe mode with networking etc, last known good config, etc... none of these work). I assumed a duff HD, and swapped it for a new one and reinstalled from a TrueImage backup. This worked until I installed windows updates I think (the backup was a few months old), and now the PC is doing the same thing. I have installed a third, old HD (60GB) with Ubuntu 11.04 on it, and everything is fine. PC boots and runs Ubuntu beautifully. I need Windows running on it though ! Given these symptoms, could it a windows update issue ? Or might I have a hardware fault still ?

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• How can I switch Linux running OS from disk to running from RAM without restarting?

  - by vfclists

  Is it possible to switch to running Linux from RAM or RAM disk after starting starting initially from disk? eg. You need to make an image of your hard disk, FTP it to a remote location, some time later you want the image back, so you start the system from disk as usual, restore the image you FTP'd from the remote location back into place. More like a CloneZilla backup and restore, without booting the server from CD or USB disk, but starting from the normal hard disk? Notes on environment I should have mentioned it earlier. It is a remotely hosted VM where I cannot boot into a recovery console mode or do a netinstall. It will always boot onto the same disk. Which means that if there is some serious corruption I can't repair it offline, which is why being able to ftp a previously saved backup into place is so important

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• Problems restoring old backups in NetBackup 6.5

  - by gharper

  I had a server that was decommissioned & replaced last year, and since the server was no longer in use, I deleted it's client & backup policy from the NetBackup Admin Console shortly afterwards. I recently got a request to restore a file from the old server, however when I specify the source client for the restore, I get an error message saying: WARNING: server (backupserver) does not contain any backups for client (oldserver) using the specified policy type (Standard) as requested by client (backupserver). [Ok] In addition to that error, I can't seem to run a Client Backup report on the old client any more to determine what tapes I need to recall in order to re-index and restore the files... My questions: Does deleting the client somehow remove NetBackups ability to ever restore files from the old system, even if the backups have a retention period of infinity? Is there a way to restore the file from the tape, assuming I can figure out which tape I need?

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• MS Windows issue - "Filename or extension is too long"

  - by Daniel

  I run Microsoft windows on a few of my machines. I don't know if many people know about this issue in the OS but you can't have very long filenames, from what I know Linux can have longer names, I have never run into this issue on my Linux machines. Anyway I run into issues whenever copying folders & files to backup drives. I manually backup of my data, finding and changing names of files, this is very very tedious. Is there a software tool to shorten folders or filenames that are found to be to long on Windows? I have drive image duplication software which does the job but in a way that I don't like, plus moving files can become a hassle at times if the names are too long to copy.

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• How to collect Security Event Logs for a single category via Powershell

  - by Darktux

  I am trying to write a script which collects security log from all of our domain controllers hourly and stores them remotely; i can collect the security logs , but is there a way to collect the security logs by category or event number from the DC? please do let me know if any additional questions. My Code: $Eventlogs = Get-WmiObject -Class Win32_NTEventLogFile -ComputerName $computer Foreach($log in $EventLogs) { if($Log.LogFileName -eq "Security") { $Now = [DateTime]::Now $FileName = "Security" +"_"+$Now.Month+$Now.Day+$Now.Year+"_"+$Now.Hour+$Now.Minute+$Now.Second $path = "\\{0}\c$\LogFolder\$folder\$FileName.evt" -f $Computer $ErrBackup = ($log.BackupEventLog($path)).ReturnValue if($clear) { if($ErrBackup -ne 0) { "Backup failed" "Backup Error was " + $ErrBackup } } } } Copy-EventLogsToArchive -path $path -Folder $Folder }

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• IT merger - self-sufficient site with domain controller VS thin clients outpost with access to termi

  - by imagodei

  SITUATION: A larger company acquires a smaller one. IT infrastructure has to be merged. There are no immediate plans to change the current size or role of the smaller company - the offices and production remain. It has a Win 2003 SBS domain server, Win 2000 file server, linux server for SVN and internal Wikipedia, 2 or 3 production machines, LTO backup solution. The servers are approx. 5 years old. Cisco network equippment (switches, wireless, ASA). Mail solution is a hosted Exchange. There are approx. 35 desktops and laptops in the company. IT infrastructure unification: There are 2 IT merging proposals. 1.) Replacing old servers, installing Win Server 2008 domain controller, and setting up either subdomain or domain trust to a larger company. File server and other servers remain local and synchronization should be set up to a centralized location in larger company. Similary with the backup - it remains local and if needed it should be replicated to a centralized location. Licensing is managed by smaller company. 2.) All servers are moved to a centralized location in larger company. As many desktop machines as possible are replaced by thin clients. The actual machines are virtualized and hosted by Terminal server at the same central location. Citrix solutions will be used. Only router and site-2-site VPN connection remain at the smaller company. Backup internet line to insure near 100% availability is needed. Licensing is mainly managed by larger company. Only specialized software for PCs that will not be virtualized is managed by smaller company. I'd like to ask you to discuss both solutions a bit. In your opinion, which is better from the operational point of view? Which is more reliable, cheaper in the long run? Easier to manage from the system administrator's point of view? Easier on the budget and easier to maintain from IT department's point of view? Does anybody have any experience with the second option and how does it perform in production environment? Pros and cons of both? Your input will be of great significance to me. Thank you very much!

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• Repair BAD Sectors or Buy a new HDD?

  - by Nehal J. Wani

  I have a Seagate internal hard disk drive. I recently opened up my laptop [Dell Inspiron N5010] [Warranty has expired], cleaned it and it worked normally after waking up from hibernation. However, when I restarted it, it stuck on windows loading screen, then tried to boot from Dell recovery partition but failed. It gave the error: Windows has encounter a problem communicating with a device connected to your computer. This error can be caused by unplugging a removable storage device such as an external USB drive while the device is in use, or by faulty hardware such as a hard drive or CD-ROM drive that is failing. Make sure any removable storage is properly connected and then restart your computer If you continue to receive this error message, contact the hardware manufacturer. Status: 0xc00000e9 Info: An unexpected I/O error has occurred. While cleaning, I had mistakenly touched the round silvery thing at the bottom of the HDD. I don't know whether this has caused the problem or not. Since I have Fedora also installed in the same HDD, I can boot from it but it shows weird read errors when I ask it to mount Windows partitions. The disk utility also says that the Hard Disk has many bad sectors and needs to be replaced. I downloaded Seatools from Seagate website and used it. In the long test, I gave it permission to repair the first 100 errors which it did successfully. Now I am confused at what I should do. Internal Hard Disk Costs: a. Internal HDD 500GB Costs: Rs3518 b.1 External HDD 500GB Costs: Rs3472 b.2 External HDD 1TB Costs: Rs5500 c. Internal to External Converter Costs: Rs650 I have the following options: (i) Buy an External HDD, backup my data. Try to repair bad sectors of HDD. Then two cases arise: (a) My Internal HDD gets repaired [almost] (b) My internal HDD doesn't get repaired. Then I need to buy another internal HDD and replace the damaged one. OR break the seal of the external one and put it inside my laptop as internal. Breaking the case involves risks. (ii) Buy a Internal HDD and an Internal to External Converter Case [Not very reliable], backup my data. Try to repair bad sectors of HDD. Then two cases arise: (a) My Internal HDD gets repaired [almost] (b) My internal HDD doesn't get repaired. Then I need to just put in the new internal HDD I just bought. Experts, please guide me as to what will be the most VFM option? Also, if a HDD is failing, is it that I shouldn't read from it too otherwise there is a chance of other sectors failing? What I mean is, is it wrong to read from the HDD without taking backup first?

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• rsync to ONLY keep files in destination that have been removed from source

  - by David Corley

  We use rsync to copy filesystem contents from one machine to another as a backup. We first run MACHINE-X-MACHINE-Y rsync for a straight backup with the --delete and --delete-excluded switches We also run an internal Rsync between the MACHINE-Y destination, and another folder on MACHINE-Y with either of the delete flags. This maintains a non-destructive copy in the event someone inadvertently deletes a file on MACHINE-X. However, it also has the overhead of being a complete copy of what has already been synchronized. Ideally I want to be able to run the non-destructive rsync in such a way that the destination ONLY receives the deleted files and so avoids unnecessary duplication . Is there any way to do this?

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• Internet printing : print to iOS gateway -> AirPrint / something -> Laser printers

  - by user75129

  I've done a bit of research on the Internet, and it looks like I'm on a dead end. My goal is to minimize cost, and be able to send and print documents AUTOMATICALLY (may be 10 or 20 pages per day) to a laser printer in a remote office. The preliminary method is to use: iOS 5.1.1 (JB'ed) with 3G connection, HP (or other brands) printer with AirPrint, iCloud's Documents and may be write some launchd scripts to monitor any new documents in iCloud. May be with other software. I am not sure yet. By using the cloud, I can upload new docs to the cloud anywhere in my city, and the iOS will be able to see them within a reasonable amount of time, then print it. But it seems this combo is not workable. Anyone got any advice on how to make this set up work, or propose other alternatives that requires NO PC or Mac? Currently I have a 3GS with 3G connectivity spare. Need to buy a new printer though.

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• About Hard Disk Drive Docks

  - by Crossbrowser

  I'm thinking of buying a drive dock to put my unused large HDD to use. I will also probably use the dock to backup files and swap the drives regularly. I have a few questions though: Are they noisy? I plan to use them via USB (because I don't think I have eSata connectors), am I gonna want to kill myself every time I backup? (I know it's supposed to be 480 Mbps, but how realistic is this?) Do you recommend a particular model? (I was thinking about this Startech HDD dock) Thank you

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• How can I restrict the backuppc client user as much as possible? (rsync)

  - by jxn

  I have backuppc making full backups of servers, but I'd like to be sure that my set up is as paranoid as possible. BackupPC is set up to backup via rsync, and it is set up to use a specific user on each client to be backed up. Because the backuppc client user has to have access to every file on the client machine and the ability to ssh into the machine without an interactive password, I'm a little nervous about securing the clients, and I'd like to know I haven't overlooked any options. Here's what I have in place: in the client user's authorized_keys file, i've included from="IPTOSERVER",command="/usr/bin/rsync" before the user's public key, so that the user can only login coming from the BackupPC server. Next, in the sudoers file, I've added this line: backuppc ALL=NOPASSWD: /usr/bin/rsync to allow root-level permissions only for the rsync command for that user. Are there other user, policy, or ssh restrictions that I can add while still allowing the backup pc client user to rsync all files?

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• Windows Server 2008 R2 bare metal restore to different hardware

  - by S Falken

  Scenario: I have a Windows Server 2008 R2 x64 installation whose main disk drive is now 7 years old and showing signs of age. For the last couple of months it's been displaying increased errors and requirements to run checkdisk. I have successfully created a bare metal restore (BMR) image on a separate data drive on the server, which can be seen from the Windows Recovery console; I tested it by booting to and using the Windows Server installation DVD's recovery utilities. The BMR image includes the system drive with boot partition, system state, and the D:\ drive of the server, which is where I have followed the practice of installing any program that does not require a C:\ installation path. Therefore, the BMR includes both the C:\ and D:\ drives, system state and boot partition. The C:\ drive is a 7-year old Seagate 160GB. The D:\ drive is a rather newer 120GB Western Digital. I have purchased a 128GB solid state Samsung 830 that I want to restore these partitions to, using the BMR. Questions: In the above-referenced article, Microsoft seems to be indicating that I am only able to restore to like-kind hardware, which doesn't help at all and is difficult to believe. Is this really true? I've cleaned these drives up and minimized the size of partition they require. C:\ will need about a 70GB partition, and the data on D:\ will need about 50GB. Will Windows Server backup allow me to restore the BMR to newly-created partitions on the SSD, discarding extra space? I don't need a "how-to": I just need an "is it possible". Justification: Before posting this question, I checked ServerFault articles with the following titles, but none of them were about this exact scenario: Restore SBS 2008 Backup to Same Hardware but Different Disk Configuration Restoring Windows Server 2008 to different hardware - OEM License Restoring II6 server after a hardware failure windows 2008 r2 fail to restore Domain controller failed to restore using windows backup tools How does restore to dissimilar hardware work? Migrating Windows 2008 R2 from a PC to a different PC TFS 2005 Server restore from one hardware to another I also researched Microsoft but only received an oblique answer which was not precisely aimed at my question, at the following URL: http://support.microsoft.com/kb/249694#method3

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• Emacs: Changing the location of auto-save files

  - by Dominic Rodger

  I've currently got: (setq backup-directory-alist `((".*" . ,temporary-file-directory))) (setq auto-save-file-name-transforms `((".*" ,temporary-file-directory t))) in my .emacs, but that doesn't seem to have changed where auto-save files get saved (it has changed where backup files get saved. M-x describe-variable shows that temporary-file-directory is set to /tmp/, but when I edit a file called testing.md and have unsaved changes, I get a file called .#testing.md in the same directory. How can I make that file go somewhere else (e.g. /tmp/)? I've had no luck with these suggestions, so any suggestions welcome! If it helps, I'm on GNU Emacs 23.3.1, running Ubuntu.

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• Steps to install solely ubuntu 13.04 on Dell inspiron 14z ultrabook with SSD+HDD

  - by rishy

  I have tried a few things like disabling the Intel smart response, choosing AHCI in BIOS. But there are certain problems I am still facing. I can't see my SSD during the installation of ubuntu (I am planning to install Ubuntu on my SSD and other files on HDD). When I run Ubuntu my laptop gets overheated and battery backup reduces to 90 minutes. (I guess it's related to my graphic driver ATI Raedon HD 7570). Cooling fan seems to run at its fullest, it was working much better in windows. So, overall I wanted to know what are the exact steps I need to follow to install Ubuntu on my SSD and then use my HDD to keep other files, How can I get rid of overheating and battery backup problem?

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• Is the decision to use SNI or IP based SSL made during cert purchase or cert installation?

  - by Neil Thompson

  It's time to renew an SSL cert - but the website will soon be moving from a dedicated machine with a fixed IP to a cloud based host behind a load balancer. When I renew or re-purchase my ssl cert do I make the decision about whether it should be an SNI / IP based SSL Cert at the point of purchase - or is a cert a cert and it's all about where and how it's installed? I'm hoping the renewed cert can continue to be IP based for now, and in a few months when the website (and it's domain ofc) moves to the cloud I can re-use the cert in 'SNI mode'

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• TCP 30 small packets per second flood connection with server

  - by Denis Ermolin

  I'm testing connection with flash client and cloud server(boost::asio for software) over TCP connection. My connection with server already is really poor - 120 ms ping in average. I found when i start to send packets with 2 bytes size (without tcp header) with speed 30 packets/s - ping grow to 170-200 average. I think that it's really bad and my bad connection and bad cloud provider is reason for this high ping without any load. What do you think? (I tested my software - it can compute about 50k small packets/s so software is not a problem). I measure my ping through flash client - send packet with timestamp and immediatly send from server to client.

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• How to change the computer name on a server configured by Puppet

  - by David Sulpy

  I am new to Puppet and I'm trying to get Puppet to configure my EC2 instances after they're started from a Cloud Formation Template in AWS. The problem is that all the nodes that get started from the Cloud Formation Template all have the same name (the name from the AMI that the new nodes derive from). I would love to find a way to have puppet rename the nodes when the nodes start up. (although, as far as I know, a Computer Name change requires reboot, a separate issue...) If you can point me to some documentation that can help me figure this out or if you have any ideas that would be great. My ultimate goal is to have each EC2 start with a unique name so that I can use New Relic server monitoring to report the different servers.

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• Applescript create event in calendar, how do I remove the default alert?

  - by zero0cool

  Running 10.8 Mountain Lion, I'm trying to create a new event with Applescript like this: set theDate to (current date) tell application "Calendar" tell calendar "Calendar" set timeString to time string of theDate set newEvent to make new event at end with properties {description:"Last Backup", summary:"Last Backup " & timeString, location:"To a local unix system", start date:theDate, end date:theDate + 15 * minutes, allday event:false, status:confirmed} tell newEvent delete every display alarm delete every sound alarm delete every mail alarm delete every open file alarm end tell end tell end tell However, this does not remove the default Calendar alert which one can set through Calendar preferences (30 minutes prior in my case). How do I create an event with no alarms at all through Applescript?

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• How to move mail accounts when migrating webhosting

  - by pkswatch

  I am migrating my website abc.com from one webhosting company to another in a shared hosting environment. Both have cpanel. And the second hosting account i am preparing to move is my multi-domain hosting account with 3 domains already in it. The problem is, i have many email accounts associated with my website abc.com, which are accessed using webmail. So if i move it to the other host, will i lose all those accounts and their emails? If yes, then how should i synchronise the email accounts so that all the accounts and the contained emails remain intact? I saw some several sync tools like IMAP Sync, etc. But these require two hosts while synchronizing, and as you see, i have just one domain name to be synchronized over 2 servers. PS, i do not have any ssh access on either of them, and i have made complete backup of all files using backup wizard in cpanel.

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• Get-Mailbox not returning all mailboxes

  - by rotard

  I am trying to set up an exchange mailbox backup job with Vembu Storegrid and StoreGrid is unable to list the mailboxes for the client. While I was troubleshooting the issue, I did notice another thing: running the Get-Mailbox command on the mail server as the backup user only shows the mailbox for that account, while running Get-Mailbox as my admin account returns a list of what appears to be all the mailboxes. My service account is a member of "Administrators", "Domain Admins", and "Domain Users". What additional permissions might be required to list all mailboxes in the system?

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