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• Upgrading from SQL2000 database to SQL Express 2008 R2

  - by itwb

  Hi, We have a web application which uses a MSSQL 2000 backend database. We are currently paying a ridiculous amount for Shared Hosting, with the database costs alone costing us $150 per month (MSSQL 100mb extra space is $40 per month). Our database size is 896.38 MB I am looking at getting a Virtual Private Server and upgrading the database to a MSSQL2008 Express database. I am aware that the Express version is limited to a 10GB database (with R2), and is constrained to a single CPU. I have also been offered SQL Server 2008 Web Edition for $19/per month, but I cannot find many details on the difference between Express and Web. Any suggestions here? What I would also like to know is: If we upgrade the database to MSSQL 2008 database, is there any issues with possible data transformations in the future? I.e. Is it possible to download and mount it with SQL Server 2008 Standard edition? I'm more concerned about how to get data in and out of the database through SQL Management tools. Are there any other issues that I might face? Thanks, Mike

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• Does Hyper-V support SCSI Pass-through discs in a Server 2003 R2 VM?

  - by Peter Bernier

  I'm running into some difficulties getting pass-through disks to be accessible to a Hyper-v server 2003 r2 virtual machine. Host OS : Server 2008 R2 full w/Hyper-V role Guest OS : Server 2003 R2 (Windows Home Server) The guest's OS disk is a pass-through disk on the IDE controller (not the best solution, but I can live with it). My storage disks will be pass-through disks on the SCSI controller. I'm able to see all of the disks that I'll be using for the VM on the host without issue. The problem that I'm having is that I can't seem to get the guest OS to be able to 'see' the storage drives (as pass-through disks on the SCSI controller). Here's what I'm doing : On the host, the storage drive is set to 'Offline' just like the OS disk (this is required for pass-through to work). In the VM, the storage drive is on the SCSI controller. Hyper-V Integration Tools are installed in guest. That's as far as I'm able to get. I don't see the drive in Computer Management, or in Windows Explorer (I've tried with an unformatted disk, as well as after formatting a partition). I am able to see a removable device that lists the disk's model number in the Guest, but I can't seem to access the storage. (I get an entry in Device Manager that needs drivers, but nothing on the Integration Tools disc works..) Trouble-shooting steps I've tried : If put the pass-through drive on the IDE controller, I can see it in the Guest. If put the storage drive 'Online' in the host and create a VHD on it on the SCSI controller, I can see it in the Guest. I suppose I could create a fixed-size VHD that consumes the entire disk, but I'd rather not have that overhead. I've also extracted the contents of the Integration Tools drivers (x86 and amd64) and tried pointing the disk controller to each of those, with no luck. Can anyone offer suggestions as to how I can get this to work properly?

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• Why an empty MAIL FROM address can sent out email?

  - by garconcn

  We are using Smarter Mail system. Recently, we found that hacker had hacked some user accounts and sent out lots of spams. We have firewall to ratelimit the sender, but for the following email, the firewall couldn't do this because of the empty FROM address. Why an empty FROM address is consider OK? Actually, in our MTA(surgemail), we can see the sender in the email header. Any idea? Thanks. 11:17:06 [xx.xx.xx.xx][15459629] rsp: 220 mail30.server.com 11:17:06 [xx.xx.xx.xx][15459629] connected at 6/16/2010 11:17:06 AM 11:17:06 [xx.xx.xx.xx][15459629] cmd: EHLO ulix.geo.auth.gr 11:17:06 [xx.xx.xx.xx][15459629] rsp: 250-mail30.server.com Hello [xx.xx.xx.xx] 250-SIZE 31457280 250-AUTH LOGIN CRAM-MD5 250 OK 11:17:06 [xx.xx.xx.xx][15459629] cmd: AUTH LOGIN 11:17:06 [xx.xx.xx.xx][15459629] rsp: 334 VXNlcm5hbWU6 11:17:07 [xx.xx.xx.xx][15459629] rsp: 334 UGFzc3dvcmQ6 11:17:07 [xx.xx.xx.xx][15459629] rsp: 235 Authentication successful 11:17:07 [xx.xx.xx.xx][15459629] Authenticated as [email protected] 11:17:07 [xx.xx.xx.xx][15459629] cmd: MAIL FROM: 11:17:07 [xx.xx.xx.xx][15459629] rsp: 250 OK < Sender ok 11:17:07 [xx.xx.xx.xx][15459629] cmd: RCPT TO:[email protected] 11:17:07 [xx.xx.xx.xx][15459629] rsp: 250 OK Recipient ok 11:17:08 [xx.xx.xx.xx][15459629] cmd: DATA

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• Setup of high-end web server and DB server cluster on Amazon EC2: Is this how it's done?

  - by user1086584

  Amazon is so technical, I want to confirm that my understanding is correct. We have a large 500 GB database. (OrientDB.) We will have it mirrored to one another in the same Availability Zone. We believe the database size will grow rapidly. The plan is: Get 4 large instances that are compatible types with Placement Groups (as well as ideally, Enhanced Networking) (2 for web, 2 for DB.) We use an EBS-backed instances to store our operating system. Discussion here: http://alestic.com/2012/01/ec2-ebs-boot-recommended We can set up ephemeral SSD instance storage as swap space. (But it is lost after even a reboot. I hear its hard to add ephemeral storage if booting from EBS, but possible.) For offsite backup, we will take periodic snapshots and store them on S3. Obviously we need to ensure the database is in a safe state when that snapshot happens to avoid corruption. (Any hints here, aside from shutting down the DB?) If the database gets too big, we need to create a EBS volume that's larger. We can use RAID to break the 1 TB limit: http://alestic.com/2009/06/ec2-ebs-raid Static assets on web servers will be stored on S3. Is that correct? Or am I missing something?

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• NTFS Permissions - Access Denied even though Explicit Allow and no Deny

  - by chris613

  I'm hoping someone can help me with this NTFS permissions problem. The short version is that I can't write a new file in F:\SomeDir even though I seem to be granted full permissions via both the "Domain Admins" group and a second unprivileged group. The "Effective Permissions" tab in the explorer permissions UI shows that I have full control, and there are no "Deny"s anywhere in the ACL or anything else that looks unusual. I am logged into the machine over RDP and accessing the disk directly, not through a share. F:\SomeDir>set U USERDNSDOMAIN=THEOFFICE.LOCAL USERDOMAIN=THEOFFICE USERNAME=thisisme USERPROFILE=C:\Users\thisisme F:\SomeDir>icacls . . BUILTIN\Administrators:(I)(F) CREATOR OWNER:(I)(OI)(CI)(IO)(F) THEOFFICE\Domain Admins:(I)(OI)(CI)(F) NT AUTHORITY\SYSTEM:(I)(OI)(CI)(F) BUILTIN\Administrators:(I)(OI)(CI)(IO)(F) BUILTIN\Users:(I)(OI)(CI)(RX) Successfully processed 1 files; Failed processing 0 files F:\SomeDir>net group /domain "Domain Admins" The request will be processed at a domain controller for domain THEOFFICE.local. Group name Domain Admins Comment Designated administrators of the domain Members ------------------------------------------------------------------------------- Administrator thatguy thisisme The command completed successfully. F:\SomeDir>echo "whyUNoCreateFile?" > whyUNoCreateFile.txt Access is denied. I searched for answers and came across similar problems that lead to UAC (ex. Why does removing the EVERYONE group prevent domain admins from accessing a drive? ). I can't turn off UAC at the moment, so I try a "regular" group that I'm also part of. This group has no special rights assignments and is not part of any administrative groups. Still no dice: [***** This one command executed in an elevated shell *****] F:\SomeDir>icacls . /grant THEOFFICE\iteveryone:(OI)(CI)F processed file: . Successfully processed 1 files; Failed processing 0 files F:\SomeDir>net group /domain "iteveryone" The request will be processed at a domain controller for domain THEOFFICE.local. Group name ITeveryone Comment Members ------------------------------------------------------------------------------- Administrator thatguy thisisme otherguy someitguy The command completed successfully. F:\ScanningVMsForIBM>echo y > u Access is denied. As you can see, using a "regular" group didn't help. I have logged out and back in to the server to ensure my login token is up to date, and at any rate I belonged to these groups before the server was created. If I grant explicit permission to myself, it does allow me to write files: [***** This one command executed in an elevated shell *****] F:\SomeDir>icacls . /grant THEOFFICE\thisisme:(OI)(CI)F processed file: . Successfully processed 1 files; Failed processing 0 files F:\SomeDir>echo y > u F:\SomeDir>type u y My requirement is for the "Domain Admins" group to have Full Control, or if that's not possible without disabling UAC, then a second group will do, but I can't get either to work. I'm really stumped. Can someone please point out what I could be overlooking?

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• ReadyBoost in Windows 7

  - by Robert Koritnik

  I've bought an SD card today for my phot frame, but when I inserted it into my notebook I saw I could use it for ReadyBoost. Some background I'm a .net developer, using VMs and developing web applications (and Sharepoint). I use an HP notebook machine with Core 2 Duo 2GHz + 4GB RAM + 320 7200 HD. I simultaneously run Visual Studio 2010 with some plugins SQL Server Firefox with at least 10 tabs Chrome with about 5 tabs IIS VM with Server 2008 machine Sharepoint and occasionally also Photoshop and some InDesign as well. So I don't let my machine have a break. :D Question If I buy myself some really fast SDHC card (like SanDisk 16GB Extreme 30MB/s - is there anything faster) and use it with my Windows 7 ReadyBoost, will I see any performance gain? Is it going to work something similar to Seagate's HybridDrive Momentus with 4GB of solid state drive? What could I actually expect if I do put this card into my machine? And what would be recommended size? Observations I guess redirecting page file to it would speed up the system. Some VM machines on it would probably run faster as well because they could run parallel to HD host system I guess. Am I right or wrong?

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• Does Windows 8 RTM Support VB6 (SP6) Runtime files? If so, which ones?

  - by user51047

  Basically, I'm trying to find out which of the following files come packaged with the Windows 8 RTM (that is, the final version). Just to be clear, we're not wanting to know if any of the runtime files (listed below) are or were included with any of the previous versions (Beta, CTP, RS etc) or releases of Windows 8 - we are just interested in this compatibility question as far as Windows 8 RTM (Final Version) is concerned. In addition, if possible, we would also like to know which of the below files (if any) come shipped and registered with the Windows 8 RT (on ARM) version. As far as the ARM version is concerned, you're welcome to base your answer on the latest version of Windows 8 RT (on ARM) that is available at the date and time your answer is posted. (This will also serve to future-proof this question as additional releases or versions of Windows 8 and Windows 8 RT on ARM come out). Here are the list of files (which are basically the VB6 SP6 runtime files): File name Version Size Asycfilt.dll 2.40.4275.1 144 KB (147,728 bytes) Comcat.dll 4.71.1460.1 21.7 KB (22,288 bytes) Msvbvm60.dll 6.0.97.82 1.32 MB (1,386,496 bytes) Oleaut32.dll 2.40.4275.1 584 KB (598,288 bytes) Olepro32.dll 5.0.4275.1 160 KB (164,112 bytes) Stdole2.tlb 2.40.4275.1 17.5 KB (17,920 bytes) Of course, the most important file in there is MSVBVM60.DLL, so if you cannot provide details for all files relating to both Windows Releases, then basing the answer on as many of the files possible would also be useful. Thank you for reading and for your anticipated assistance in putting this question/answer on record.

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• How to avoid Windows Genuine Advantage for an XP update?

  - by hlovdal

  I am about to apply updates to a windows xp installation I have not booted in a couple of years. When going to update.microsoft.com, it forced me first to accept an activex installation and now it wants me to install wga: Windows Update To use this latest version of Windows Update, you will need to upgrade some of its components. This version provides you with the following enhancements to our service: <... useless list of "advantages" ... Details Windows Genuine Advantage Validation Tool (KB892130) 1.1 MB , less than 1 minute The Windows Genuine Advantage Validation Tool enables you to verify that your copy of Microsoft Windows is genuine. The tool validates your Windows installation by checking Windows Product Identification and Product Activation status. Update for Windows XP (KB898461) 477 KB , less than 1 minute This update installs a permanent copy of Package Installer for Windows to enable software updates to have a significantly smaller download size. The Package Installer facilitates the install of software updates for Microsoft Windows operating systems and other Microsoft products. After you install this update, you may have to restart your system. Total: 1.5 MB , less than 1 minute I have heard nothing but bad things about wga, and I absolutely do not want it installed on my system (this answer seems to give some options). Searching for "windows xp" at microsoft's web pages brought up this page which says Windows XP Service Pack 3 Network Installation Package for IT Professionals and Developers Brief Description This installation package is intended for IT professionals and developers downloading and installing on multiple computers on a network. If you're updating just one computer, please visit Windows Update at http://update.microsoft.com . ... File Name: WindowsXP-KB936929-SP3-x86-ENU.exe I am currently downloading this file. Will installing this bring my installation up to date with security updates? What about later updates whenever a new problem is discovered, how can i update without using wga?

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• high virtual memory usage in openvz?

  - by freedrull

  We're having a lot of memory problems on a new OpenVZ box. It is supposed to have 1 gig of memory, I'm not sure how much of that is burstable or guaranteed memory. Programs in general seem to take up more virtual memory than they do on my box at home, and on our other OpenVZ box. I wrote this simple C program: #include <stdio.h> #include <stdlib.h> int main(){ char *thingy = malloc(500); getchar(): return 0; } So it simply allocates 500 bytes and then returns. I ran the program on 3 computers. On my home machine, and our other OpenVZ box it shows about 1k bytes of virtual memory being used. On the new problematic machine its about 3k. I know this is just virtual memory and not resident memory, but why is this machine allocating so much virtual memory? Are there some settings I need to adjust to the OpenVZ memory settings? I tried changing the stack size with ulimit -s 256 and restarting some demons, but I still saw the same results. I'm doing all of my monitoring with htop, is this even a good program to use with a OpenVZ vps? I've read I should be parsing the output of /proc/user_beancounters intead or something.

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• Ballooning Mac OS X kernel_task and Wired memory usage. How to diagnose / fix?

  - by user28930

  I have a very strange issue, which I'm having a hard time diagnosing as to the root cause. I have a Mac Pro (2008, 8-core 2.8 GHz, 8800GT) with 14 GB of RAM (recently upgraded because of this issue!). When I boot my system and log in, vm_stat / top / Activity Monitor will show that kernel_task has about 150 MB allocated, and the machine has about 800 MB of Wired memory being allocated. Even initially, 800 MB seems an awful lot of wired memory to be allocated with no applications running - but, it gets worse. (NB: Wired is locked, unswappable memory) After a very short time, sometimes triggered by something as simple as launching a terminal, kernel_task will balloon to 8-900 MB of Real Mem (RSIZE), and Wired Memory will accelerate to 1.6 GB (implying that all the extra memory requests are for wired RAM in the kernel). If I quit everything (I.E: no running applications, bar an activity monitor or terminal to view top), there is no appreciable reduction in either kernel_task RSIZE, or Wired Memory usage. Going the opposite way, and loading the system with tasks also shows that wired memory does not get reduced - and that importantly it is not reduced in preference to heavy swapping. If I log out and log back in again, it reduces a bit (450 MB kernel_task, 1.28 GB Wired), but not back to the start. I'm not running any wacky kexts - and futhermore, kextstat shows no huge memory allocations there; the largest being com.apple.nvidia.nv50hal at about 4 MB of Memory. The machine feels overall more sluggish when this has happened - unsurprisingly because such a huge amount of RAM has been marked as non-pageable. So I have a few questions: 1) Is there a good way to diagnose what has allocated all of this wired memory? It's often over 2 times the kernel_task size, running no applications. The real memory total doesn't seem to add up - it seems that there is a bunch of RAM that isn't being accounted for anywhere. 2) What is happening to cause the kernel to suddenly require 6 times as much memory?

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• What is optimal hardware configuration for heavy load LAMP application

  - by Piotr K.

  I need to run Linux-Apache-PHP-MySQL application (Moodle e-learning platform) for a large number of concurrent users - I am aiming 5000 users. By concurrent I mean that 5000 people should be able to work with the application at the same time. "Work" means not only do database reads but writes as well. The application is not very typical, since it is doing a lot of inserts/updates on the database, so caching techniques are not helping to much. We are using InnoDB storage engine. In addition application is not written with performance in mind. For instance one Apache thread usually occupies about 30-50 MB of RAM. I would be greatful for information what hardware is needed to build scalable configuration that is able to handle this kind of load. We are using right now two HP DLG 380 with two 4 core processors which are able to handle much lower load (typically 300-500 concurrent users). Is it reasonable to invest in this kind of boxes and build cluster using them or is it better to go with some more high-end hardware? I am particularly curious how many and how powerful servers are needed (number of processors/cores, size of RAM) what network equipment should be used (what kind of switches, network cards) any other hardware, like particular disc storage solutions, etc, that are needed Another thing is how to put together everything, that is what is the most optimal architecture. Clustering with MySQL is rather hard (people are complaining about MySQL Cluster, even here on Stackoverflow).

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• How to recover deleted NTFS partitions?

  - by Frank

  Last night I made a terrible mistake. I was reinstalling Windows and I accidentally deleted all the partitions on all my drives. I realized my mistake before I had created any partitions, so nothing has been written to any of the disks. I'm currently at my wits' end about what I'll do if I don't manage to recover the data. I have two 1TB drives and a 2TB. One of the 1TB was the drive I was supposed to be reformatting so nothing to be recovered there. I am currently in a Linux livecd. In this article http://support.microsoft.com/kb/245725 Microsoft advises to recreate the exact same partition but choose not to format it, and then recover the backup boot sector from the end of the ntfs volume. But none of the drives I want to recover are bootable drives. So does that mean I do not need to rewrite the boot sector? As in if I simply recreate a partition of the same size it will see all my data? Or would I be better off using the TestDisk utility? http://www.cgsecurity.org/wiki/TestDisk Please help, I'm desperate!!

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• ssh keys rejected each day

  - by EddyR

  I've had OpenSSH server running on my debian server for a couple weeks and all of a sudden now when I go to login the next day it rejects my ssh key and I have to manually add a new one each time. Not only that but I have the "tunneling with clear-text passwords" option enabled and the non-root (login with root is disabled) account for that is rejected too. I'm at a loss why this is happening and I can't find any ssh options that would explain it. --update-- I just changed debug level to DEBUG. But before that I'm seeing a lot of the following in auth.log Feb 1 04:23:01 greenpages CRON[7213]: pam_unix(cron:session): session opened for user root by (uid=0) Feb 1 04:23:01 greenpages CRON[7213]: pam_unix(cron:session): session closed for user root ... Feb 1 04:36:26 greenpages sshd[7217]: reverse mapping checking getaddrinfo for nat-pool-xx-xx-xx-xx.myinternet.net [xx.xx.xx.xx] failed - POSSIBLE BREAK-IN ATTEMPT! ... Feb 1 04:37:31 greenpages sshd[7223]: Did not receive identification string from xx.xx.xx.xx ... My sshd_conf file settings are: # Package generated configuration file # See the sshd(8) manpage for details # What ports, IPs and protocols we listen for Port xxx # Use these options to restrict which interfaces/protocols sshd will bind to #ListenAddress :: #ListenAddress 0.0.0.0 Protocol 2 # HostKeys for protocol version 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key #Privilege Separation is turned on for security UsePrivilegeSeparation yes # Lifetime and size of ephemeral version 1 server key KeyRegenerationInterval 3600 ServerKeyBits 768 # Logging SyslogFacility AUTH LogLevel DEBUG # Authentication: LoginGraceTime 120 PermitRootLogin no StrictModes yes RSAAuthentication yes PubkeyAuthentication yes #AuthorizedKeysFile %h/.ssh/authorized_keys # Don't read the user's ~/.rhosts and ~/.shosts files IgnoreRhosts yes # For this to work you will also need host keys in /etc/ssh_known_hosts RhostsRSAAuthentication no # similar for protocol version 2 HostbasedAuthentication no # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication #IgnoreUserKnownHosts yes # To enable empty passwords, change to yes (NOT RECOMMENDED) PermitEmptyPasswords no # Change to yes to enable challenge-response passwords (beware issues with # some PAM modules and threads) ChallengeResponseAuthentication no # Change to no to disable tunnelled clear text passwords PasswordAuthentication yes # Kerberos options #KerberosAuthentication no #KerberosGetAFSToken no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes X11Forwarding no X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes #UseLogin no #MaxStartups 10:30:60 #Banner /etc/issue.net # Allow client to pass locale environment variables AcceptEnv LANG LC_* Subsystem sftp /usr/lib/openssh/sftp-server UsePAM no ClientAliveInterval 60 AllowUsers myuser

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• nameserver spoiling avahi multicast name resolution of .local domain

  - by Doug Coburn

  After trying to ping a machine on my local network, I noticed that I was trying hit address 66.152.109.24. This is an external public address. Resolution should have occurred via avahi mDNS. I ran dig to see how the name resolution worked and my quest/centurylink name server was retuning results for my .local domain queries! I tried a random name and got the same ip address result. $ dig jakdafj.local ; <<>> DiG 9.8.1-P1-RedHat-9.8.1-3.P1.fc15 <<>> jakdafj.local ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58410 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;jakdafj.local. IN A ;; ANSWER SECTION: jakdafj.local. 10 IN A 66.152.109.24 jakdafj.local. 10 IN A 204.232.231.46 ;; Query time: 104 msec ;; SERVER: 205.171.3.25#53(205.171.3.25) ;; WHEN: Sat Mar 24 20:40:17 2012 ;; MSG SIZE rcvd: 63 Am I missing something or is my DNS name server at 205.171.3.25 corrupted?

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• Installing Mysql Ruby gem on 64-bit CentOS

  - by Jacek

  Hi, I have a problem installing mysql ruby gem on 64bit CentOS machine. [jacekb@vitaidealn ~]$ uname -a Linux vitaidealn.local 2.6.18-92.el5 #1 SMP Tue Jun 10 18:51:06 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux Mysql and mysql-devel packages are installed. Mysql_config provides following paths: Usage: /usr/lib64/mysql/mysql_config [OPTIONS] Options: --cflags [-I/usr/include/mysql -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -fno-strict-aliasing -fwrapv] --include [-I/usr/include/mysql] --libs [-L/usr/lib64/mysql -lmysqlclient -lz -lcrypt -lnsl -lm -L/usr/lib64 -lssl -lcrypto] --libs_r [-L/usr/lib64/mysql -lmysqlclient_r -lz -lpthread -lcrypt -lnsl -lm -lpthread -L/usr/lib64 -lssl -lcrypto] --socket [/var/lib/mysql/mysql.sock] --port [3306] --version [5.0.45] --libmysqld-libs [-L/usr/lib64/mysql -lmysqld -lz -lpthread -lcrypt -lnsl -lm -lpthread -lrt -L/usr/lib64 -lssl -lcrypto] Trying to install: [jacekb@vitaidealn ~]$ gem install mysql -- --with-mysql-include=/usr/include/mysql --with-mysql-libs=/usr/lib64/mysql ... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. /usr/bin/ruby extconf.rb --with-mysql-include=/usr/include/mysql --with-mysql-libs=/usr/lib64/mysql checking for mysql_query() in -lmysqlclient... no checking for main() in -lm... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lz... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lsocket... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lnsl... no checking for mysql_query() in -lmysqlclient... no *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. I would appreciate any help. Thanks for reading :).

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• vmware vmdk disk problem

  - by dmtr

  I have a VMware ESXi 4 server and 2 storage servers (mounted via nfs). Between the storage servers (Fedora 14) is a drbd cluster (dual primary) and ocfs2 filesystem; also every server has a local partition with an ext4 filesystem, both are mounted via nfs on the esxi server. When I tried to copy a virtual machine (naturally it was powered off) from the ext4 partition to the ocfs2 partition, the vmdk total file size is different, but the md5sum is the same. On the ext4 partition: # ls -la total 28492228 -rw------- 1 root root 42949672960 Jan 14 14:46 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 On the ocfs2 partition: # ls -la total 13974660 -rw------- 1 root root 42949672960 Jan 14 16:16 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 When I power on the virtual machine from the ocfs2 partition it dosn't work. I have a windows on the virtual machine and it freez?s after the windows logo. From the ext4 partition the virtual machine workes. I tested with linux (created and installed on ext4 partition and then copied to the ocfs2) and the same problem appears. When I create a virtual machine directly from ocfs2 partition, there are no problems. I tried to copy via vSphere client, and I have the same problem. Any suggestions?

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• How can i get more low memory with the following setup:

  - by user539484

  Modules using memory below 1 MB: Name Total = Conventional + Upper Memory -------- ---------------- ---------------- ---------------- MSDOS 14 317 (14K) 14 317 (14K) 0 (0K) HIMEM 1 120 (1K) 1 120 (1K) 0 (0K) EMM386 3 120 (3K) 3 120 (3K) 0 (0K) OAKCDROM 36 064 (35K) 36 064 (35K) 0 (0K) POWER 80 (0K) 80 (0K) 0 (0K) NLSFUNC 2 784 (3K) 2 784 (3K) 0 (0K) COMMAND 2 928 (3K) 2 928 (3K) 0 (0K) MSCDEX 15 712 (15K) 15 712 (15K) 0 (0K) SMARTDRV 30 384 (30K) 13 984 (14K) 16 400 (16K) KEYB 6 752 (7K) 6 752 (7K) 0 (0K) MOUSE 17 296 (17K) 17 296 (17K) 0 (0K) DISPLAY 8 336 (8K) 0 (0K) 8 336 (8K) SETVER 512 (1K) 0 (0K) 512 (1K) DOSKEY 4 144 (4K) 0 (0K) 4 144 (4K) POWER 4 672 (5K) 0 (0K) 4 672 (5K) Free 552 944 (540K) 539 088 (526K) 13 856 (14K) Memory Summary: Type of Memory Total = Used + Free ---------------- ---------- ---------- ---------- Conventional 653 312 114 224 539 088 Upper 47 920 34 064 13 856 Reserved 0 0 0 Extended (XMS)* 64 898 256 2 671 824 62 226 432 ---------------- ---------- ---------- ---------- Total memory 65 599 488 2 820 112 62 779 376 Total under 1 MB 701 232 148 288 552 944 Total Expanded (EMS) 33 947 648 (33 152K Free Expanded (EMS)* 33 538 048 (32 752K * EMM386 is using XMS memory to simulate EMS memory as needed. Free EMS memory may change as free XMS memory changes. Largest executable program size 538 976 (526K) Largest free upper memory block 7 488 (7K) MS-DOS is resident in the high memory area. I'm running MS-DOS 6.22 on VMWare virtual hardware. This is memory state after memmaker pass, so i'm looking for optimization beyond memmaker. Note: NLS drivers (DISPLAY, KEYB, NSLFUNC) are essential for me. Thanks to @mtone for valuable reminder about MSCDEX /E which gave me 16KiB of low memory (see the diff)!

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• postgresql No space left on device

  - by pstanton

  Postgres is reporting that it is out of disk space while performing a rather large aggregation query: Caused by: org.postgresql.util.PSQLException: ERROR: could not write block 31840050 of temporary file: No space left on device at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1592) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1327) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:192) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:451) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:350) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:304) at org.hibernate.engine.query.NativeSQLQueryPlan.performExecuteUpdate(NativeSQLQueryPlan.java:189) ... 8 more However the disk has quite a lot of space: Filesystem Size Used Avail Use% Mounted on /dev/sda1 386G 123G 243G 34% / udev 5.9G 172K 5.9G 1% /dev none 5.9G 0 5.9G 0% /dev/shm none 5.9G 628K 5.9G 1% /var/run none 5.9G 0 5.9G 0% /var/lock none 5.9G 0 5.9G 0% /lib/init/rw The query is doing the following: INSERT INTO summary_table SELECT t.a, t.b, SUM(t.c) AS c, COUNT(t.*) AS count, t.d, t.e, DATE_TRUNC('month', t.start) AS month, tt.type AS type, FALSE, tt.duration FROM detail_table_1 t, detail_table_2 tt WHERE t.trid=tt.id AND tt.type='a' AND DATE_PART('hour', t.start AT TIME ZONE 'Australia/Sydney' AT TIME ZONE 'America/New_York')>=23 OR DATE_PART('hour', t.start AT TIME ZONE 'Australia/Sydney' AT TIME ZONE 'America/New_York')<13 GROUP BY month, type, t.a, t.b, t.d, t.e, FALSE, tt.duration any tips?

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• Cisco ASA: How to route PPPoE-assigned subnet?

  - by Martijn Heemels

  We've just received a fiber uplink, and I'm trying to configure our Cisco ASA 5505 to properly use it. The provider requires us to connect via PPPoE, and I managed to configure the ASA as a PPPoE client and establish a connection. The ASA is assigned an IP address by PPPoE, and I can ping out from the ASA to the internet, but I should have access to an entire /28 subnet. I can't figure out how to get that subnet configured on the ASA, so that I can route or NAT the available public addresses to various internal hosts. My assigned range is: 188.xx.xx.176/28 The address I get via PPPoE is 188.xx.xx.177/32, which according to our provider is our Default Gateway address. They claim the subnet is correctly routed to us on their side. How does the ASA know which range it is responsible for on the Fiber interface? How do I use the addresses from my range? To clarify my config; The ASA is currently configured to default-route to our ADSL uplink on port Ethernet0/0 (interface vlan2, nicknamed Outside). The fiber is connected to port Ethernet0/2 (interface vlan50, nicknamed Fiber) so I can configure and test it before making it the default route. Once I'm clear on how to set it all up, I'll fully replace the Outside interface with Fiber. My config (rather long): : Saved : ASA Version 8.3(2)4 ! hostname gw domain-name example.com enable password ****** encrypted passwd ****** encrypted names name 10.10.1.0 Inside-dhcp-network description Desktops and clients that receive their IP via DHCP name 10.10.0.208 svn.example.com description Subversion server name 10.10.0.205 marvin.example.com description LAMP development server name 10.10.0.206 dns.example.com description DNS, DHCP, NTP ! interface Vlan2 description Old ADSL WAN connection nameif outside security-level 0 ip address 192.168.1.2 255.255.255.252 ! interface Vlan10 description LAN vlan 10 Regular LAN traffic nameif inside security-level 100 ip address 10.10.0.254 255.255.0.0 ! interface Vlan11 description LAN vlan 11 Lab/test traffic nameif lab security-level 90 ip address 10.11.0.254 255.255.0.0 ! interface Vlan20 description LAN vlan 20 ISCSI traffic nameif iscsi security-level 100 ip address 10.20.0.254 255.255.0.0 ! interface Vlan30 description LAN vlan 30 DMZ traffic nameif dmz security-level 50 ip address 10.30.0.254 255.255.0.0 ! interface Vlan40 description LAN vlan 40 Guests access to the internet nameif guests security-level 50 ip address 10.40.0.254 255.255.0.0 ! interface Vlan50 description New WAN Corporate Internet over fiber nameif fiber security-level 0 pppoe client vpdn group KPN ip address pppoe ! interface Ethernet0/0 switchport access vlan 2 speed 100 duplex full ! interface Ethernet0/1 switchport trunk allowed vlan 10,11,30,40 switchport trunk native vlan 10 switchport mode trunk ! interface Ethernet0/2 switchport access vlan 50 speed 100 duplex full ! interface Ethernet0/3 shutdown ! interface Ethernet0/4 shutdown ! interface Ethernet0/5 switchport access vlan 20 ! interface Ethernet0/6 shutdown ! interface Ethernet0/7 shutdown ! boot system disk0:/asa832-4-k8.bin ftp mode passive clock timezone CEST 1 clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00 dns domain-lookup inside dns server-group DefaultDNS name-server dns.example.com domain-name example.com same-security-traffic permit inter-interface same-security-traffic permit intra-interface object network inside-net subnet 10.10.0.0 255.255.0.0 object network svn.example.com host 10.10.0.208 object network marvin.example.com host 10.10.0.205 object network lab-net subnet 10.11.0.0 255.255.0.0 object network dmz-net subnet 10.30.0.0 255.255.0.0 object network guests-net subnet 10.40.0.0 255.255.0.0 object network dhcp-subnet subnet 10.10.1.0 255.255.255.0 description DHCP assigned addresses on Vlan 10 object network Inside-vpnpool description Pool of assignable addresses for VPN clients object network vpn-subnet subnet 10.10.3.0 255.255.255.0 description Address pool assignable to VPN clients object network dns.example.com host 10.10.0.206 description DNS, DHCP, NTP object-group service iscsi tcp description iscsi storage traffic port-object eq 3260 access-list outside_access_in remark Allow access from outside to HTTP on svn. access-list outside_access_in extended permit tcp any object svn.example.com eq www access-list Insiders!_splitTunnelAcl standard permit 10.10.0.0 255.255.0.0 access-list iscsi_access_in remark Prevent disruption of iscsi traffic from outside the iscsi vlan. access-list iscsi_access_in extended deny tcp any interface iscsi object-group iscsi log warnings ! snmp-map DenyV1 deny version 1 ! pager lines 24 logging enable logging timestamp logging asdm-buffer-size 512 logging monitor warnings logging buffered warnings logging history critical logging asdm errors logging flash-bufferwrap logging flash-minimum-free 4000 logging flash-maximum-allocation 2000 mtu outside 1500 mtu inside 1500 mtu lab 1500 mtu iscsi 9000 mtu dmz 1500 mtu guests 1500 mtu fiber 1492 ip local pool DHCP_VPN 10.10.3.1-10.10.3.20 mask 255.255.0.0 ip verify reverse-path interface outside no failover icmp unreachable rate-limit 10 burst-size 5 asdm image disk0:/asdm-635.bin asdm history enable arp timeout 14400 nat (inside,outside) source static any any destination static vpn-subnet vpn-subnet ! object network inside-net nat (inside,outside) dynamic interface object network svn.example.com nat (inside,outside) static interface service tcp www www object network lab-net nat (lab,outside) dynamic interface object network dmz-net nat (dmz,outside) dynamic interface object network guests-net nat (guests,outside) dynamic interface access-group outside_access_in in interface outside access-group iscsi_access_in in interface iscsi route outside 0.0.0.0 0.0.0.0 192.168.1.1 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy aaa-server SBS2003 protocol radius aaa-server SBS2003 (inside) host 10.10.0.204 timeout 5 key ***** aaa authentication enable console SBS2003 LOCAL aaa authentication ssh console SBS2003 LOCAL aaa authentication telnet console SBS2003 LOCAL http server enable http 10.10.0.0 255.255.0.0 inside snmp-server host inside 10.10.0.207 community ***** version 2c snmp-server location Server room snmp-server contact [email protected] snmp-server community ***** snmp-server enable traps snmp authentication linkup linkdown coldstart snmp-server enable traps syslog crypto ipsec transform-set TRANS_ESP_AES-256_SHA esp-aes-256 esp-sha-hmac crypto ipsec transform-set TRANS_ESP_AES-256_SHA mode transport crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 crypto dynamic-map outside_dyn_map 20 set pfs group5 crypto dynamic-map outside_dyn_map 20 set transform-set TRANS_ESP_AES-256_SHA crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ESP-3DES-MD5 ESP-DES-SHA ESP-DES-MD5 crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP crypto map outside_map interface outside crypto isakmp enable outside crypto isakmp policy 1 authentication pre-share encryption 3des hash sha group 2 lifetime 86400 telnet 10.10.0.0 255.255.0.0 inside telnet timeout 5 ssh scopy enable ssh 10.10.0.0 255.255.0.0 inside ssh timeout 5 ssh version 2 console timeout 30 management-access inside vpdn group KPN request dialout pppoe vpdn group KPN localname INSIDERS vpdn group KPN ppp authentication pap vpdn username INSIDERS password ***** store-local dhcpd address 10.40.1.0-10.40.1.100 guests dhcpd dns 8.8.8.8 8.8.4.4 interface guests dhcpd update dns interface guests dhcpd enable guests ! threat-detection basic-threat threat-detection scanning-threat threat-detection statistics host number-of-rate 2 threat-detection statistics port number-of-rate 3 threat-detection statistics protocol number-of-rate 3 threat-detection statistics access-list threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200 ntp server dns.example.com source inside prefer webvpn group-policy DfltGrpPolicy attributes vpn-tunnel-protocol IPSec l2tp-ipsec group-policy Insiders! internal group-policy Insiders! attributes wins-server value 10.10.0.205 dns-server value 10.10.0.206 vpn-tunnel-protocol IPSec l2tp-ipsec split-tunnel-policy tunnelspecified split-tunnel-network-list value Insiders!_splitTunnelAcl default-domain value example.com username martijn password ****** encrypted privilege 15 username marcel password ****** encrypted privilege 15 tunnel-group DefaultRAGroup ipsec-attributes pre-shared-key ***** tunnel-group Insiders! type remote-access tunnel-group Insiders! general-attributes address-pool DHCP_VPN authentication-server-group SBS2003 LOCAL default-group-policy Insiders! tunnel-group Insiders! ipsec-attributes pre-shared-key ***** ! class-map global-class match default-inspection-traffic class-map type inspect http match-all asdm_medium_security_methods match not request method head match not request method post match not request method get ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum 512 policy-map type inspect http http_inspection_policy parameters protocol-violation action drop-connection policy-map global-policy class global-class inspect dns inspect esmtp inspect ftp inspect h323 h225 inspect h323 ras inspect http inspect icmp inspect icmp error inspect mgcp inspect netbios inspect pptp inspect rtsp inspect snmp DenyV1 ! service-policy global-policy global smtp-server 123.123.123.123 prompt hostname context call-home profile CiscoTAC-1 no active destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address email [email protected] destination transport-method http subscribe-to-alert-group diagnostic subscribe-to-alert-group environment subscribe-to-alert-group inventory periodic monthly subscribe-to-alert-group configuration periodic monthly subscribe-to-alert-group telemetry periodic daily hpm topN enable Cryptochecksum:a76bbcf8b19019771c6d3eeecb95c1ca : end asdm image disk0:/asdm-635.bin asdm location svn.example.com 255.255.255.255 inside asdm location marvin.example.com 255.255.255.255 inside asdm location dns.example.com 255.255.255.255 inside asdm history enable

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• Creating Windows 8.1 system image error

  - by Random

  I'm experiencing "not enough space" error when trying to create system image to a USB hard drive: Detailed error: ERROR - A Volume Shadow Copy Service operation error has occurred: (0x8004231f) Insufficient storage available to create either the shadow copy storage file or other shadow copy data. Blah, blah... There is not enough disk space to create the volume shadow copy on the storage location. Make sure that, for all volumes to be backup up, the minimum required disk space for shadow copy creation is available. This applies to both the backup storage destination and volumes included in the backup. Minimum requirement: For volumes less than 500 megabytes, the minimum is 50 megabytes of free space. For volumes more than 500 megabytes, the minimum is 320 megabytes of free space. Recommended: At least 1 gigabyte of free disk space on each volume if volume size is more than 1 gigabyte. ERROR - A Volume Shadow Copy Service operation error has occurred: (0x8004231f) Insufficient storage available to create either the shadow copy storage file or other shadow copy data. I'd tried both - PowerShell wbAdmin start backup -backupTarget:E: -include:C: -allCritical -quiet and via Control Panel - File History button Clearly both EFI and Windows Recovery Environment partitions don't meet requirements coming from System Image tool (pic below) On top of that all system partitions are now shown as 100% free in Disk Management, it's disturbing but far from the actual state. My question is - hot to create System Image in Windows 8.1?

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• VMware vSphere 4.1 and BackupExec 2010

  - by Josh

  I'm sure a common problem with most shops is backups, their size, and the window in which you have to back up the data. What we are working with: VMware vSphere 4.1 Cluster PS4000XV Equallogic Storage Array (1.6TB Volume dedicated for Backup to Disk) Physical Backup Server with a single LTO4 drive. BackupExec 2010 R3 with the following agents, Exchange, SQL, Active Directory, VMware. Dual Gigabit MPIO Connections between all devices (Storage Array, Backup Server, VM Hosts) What we would like to accomplish: I would like to implement an efficient Backup to Disk to Tape solution where all of our VMs are backed up to the Storage Array first, and then once completely backed up to the array are replicated to tape. In the event we needed to recover, we would be able to do so directly from tape. Where we are at currently. Of the several ways I have setup the jobs in Backup Exec 2010 R3 the backup jobs all queue up at the same time, as soon as a job is finished backing up to disk it then starts that same job to tape, but pulling from the original source instead of the designated B2D location. I understand that I could create a job that backs up the "Backup to Disk" folder to tape, but in the event of restoration, I would first need to stage the data in the B2D folder before I could restore the VM. I would really like to hear from individuals in similar situations. Any and all comments and critiques are appreciated.

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• Switch Windows 8 from a hybrid MBR/GPT => GPT only on Macbook Pro Retina

  - by Sid

  I used DiskUtility+Bootcamp Wizard to setup my hard drive for Windows 8 (final MSDN). Somewhere in that process, the Apple tools turned my GPT disk into a hybrid MBR/GPT. All my 4 primary MBR partitions are used up, so when I try turning on Bitlocker in Windows 8, it complains about not finding a System drive. I know on Windows 8 the Bitlocker setup tries to create the 200(?)MB system partition if it's missing. However with all 4 partitions filled I suspect it can't create system drive = it can't find it = throws back an error like "BitLocker Setup could not find a target system drive. You may need to manually prepare your drive for BitLocker". I've already tried disabling hibernation, swap file etc. Now I'm thinking that if I were to get rid of the MBR scheme altogether, perhaps I can be alright within the GPT world without MBR's 4 primary partitions limit. So, how can I get rid of the MBR tables on the hybrid scheme in a manner that still leaves Mac OS and Windows 8 in working conditions? Details: Hardware is the MacbookPro Retina. Primary MBR partitions are consumed as follows: EFI partition HFS+ partition (=encrypted, therefore ="Apple_CoreStorage") HFS+ partition (Recovery partition, contains unencrypted Mac bootloader) NTFS partition (Windows8 all-in-one partition) diskutil list output sid-mbpr:~ sid$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *251.0 GB disk0 1: EFI 209.7 MB disk0s1 2: Apple_CoreStorage 160.0 GB disk0s2 3: Apple_Boot Recovery HD 650.0 MB disk0s3 4: Microsoft Basic Data Win8 90.1 GB disk0s4 GPT vs MBR addresses sid-mbpr:~ sid$ sudo gptsync /dev/rdisk0 Password: Current GPT partition table: # Start LBA End LBA Type 1 40 409639 EFI System (FAT) 2 409640 312909639 Unknown 3 312909640 314179175 Mac OS X Boot 4 314179584 490233855 Basic Data Current MBR partition table: # A Start LBA End LBA Type 1 1 409639 ee EFI Protective 2 409640 312909639 ac Apple RAID 3 312909640 314179175 ab Mac OS X Boot 4 * 314179584 490233855 07 NTFS/HPFS Status: GPT partition of type 'Unknown' found, will not touch this disk.** **: Ignore this message, the gptsync tool is old and doesn't understand the UUID for "Apple_CoreStorage" / FileVault2 partitions. Since LBA addresses are alright, safe to ignore this message.

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• Ubuntu 10.04 - Add RAID 1 Array?

  - by N Rahl

  I have an existing Ubuntu 10.04 desktop system setup and running on a hard drive (Drive A). I'd like to add 2 more hard drives (Drives B & C, same size) to the system and mount them as a RAID 1 array. How do I do that? I know how to create RAID arrays during the installation, but I don't want to reinstall my system, and I shouldn't have to since my system files will stay on their own drive separate from the RAID array. I've physically added both drives to the system, and formatted them as EXT3 with gparted. Ubuntu's disk utility has a "create raid" option, but it won't let me select any of my drives (it thinks they're all full). I don't mind using mdadm, but I've found several guides that are old, and give conflicting advice. Some say I have to edit an /etc/raidtab file, some say this is done automatically. So what's the current (Ubuntu 10.04) preferred way of adding a RAID 1 to an existing system? It should turn into a raid at boot, and mount itself in /home/myname/files/. Thanks!

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• Postfix connect timing out remotely, working fine locally

  - by Moritz

  Running Postfix on Debian I cannot connect to send mail any more. It worked until approximately a week ago. I do not recall touching the configuration of the server during that time, which makes it difficult for me to find out what the problem is. When connecting from the server to itself it works fine: root@xxxx:~# telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain. Escape character is '^]'. ehlo localhost 220 mail.xxxx.de ESMTP Postfix (Debian/GNU) 250-mail.xxxx.de 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host. Trying to do the same remotely times out: laptop:~ $ telnet mail.xxxx.de 25 Trying 93.xx.xx.xx... telnet: connect to address 93.xx.xx.xx: Operation timed out telnet: Unable to connect to remote host Configuration is as follows: root@xxxx:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix home_mailbox = Maildir/ inet_interfaces = all inet_protocols = ipv4 mailbox_command = mailbox_size_limit = 0 mydestination = localhost.localdomain, localhost.localdomain, localhost myhostname = mail.xxxx.de mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relayhost = smtp_tls_note_starttls_offer = yes smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_exceptions_networks = $mynetworks smtpd_sasl_local_domain = smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem smtpd_tls_auth_only = no smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom virtual_alias_maps = proxy:mysql:$config_directory/mysql_virtual_alias_maps.cf virtual_gid_maps = static:8 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = proxy:mysql:$config_directory/mysql_virtual_domains_maps.cf virtual_mailbox_maps = proxy:mysql:$config_directory/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 150 virtual_transport = dovecot Receiving mails is no problem, as is retrieving them remotely. Do you have an idea what I could check next?

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• SQL Server Installaion error 0x84B40000

  - by Kurtevich

  I have a problem installing SQL Server 2008 R2. Long time ago I had it installed, and then uninstalled. It was left in "Add/remove programs", but I didn't pay attention on that. I had 2005 installed. And now there is a need to install 2008. I removed 2005 and started installing 2008, but it says that space on C: is not enough. That's when I found out that "Add/remove programs" shows it occupying more than 4 gigabytes, though I used to uninstall it. So I click "Remove", it shows all those many screens and validations, shows that removal completed, but the size of Program Files folder is still more than 4 GB. I removed (from "Add\remove programs" everything that had "SQL Server" in it's name, but that main "SQL Server 2008" item is still there and still 4 GB and uninstalling does nothing. Because installation of SQL Server did not show existing instances, and I don't see any running services related to SQL server (well, almost any, more details in the end), I though that this folder contains just some leftover staff and data and deleted it manually. Then agreed to removing of the item in "Add/remove programs" and everything looks clean. Now every time I try to install SQL Server (even in the minimum configuration), I receive the following error: SQL Server Setup has encountered the following error: The specified credentials that were provided for the SQL Server service are not valid. To continue, provide a valid account and password for the SQL Server service. Error code 0x84B40000. What is this service mentioned here? This error looks like I'm trying to add features to existing server and it can't login. But the setup didn't ask me for any credentials, except one username that couldn't be changed. Here are the services shown that can be related, both disabled and pointing to non-existing executables: SQL Active Directory Helper Service SQL Full-text Filter Daemon Launcher (MSSQLSERVER) I understand that this must be because of my manual deletion, but is there a way to clean it up now?

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