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• Windows service fails to start with local user until password is entered again in logon tab

  - by Nick

  Basically we have a service where we use a local account as its logon. it has all the proper permissions, and everything is working fine, service starts and runs and all is good. Then one day, after rebooting, the service fails to start. Logs show incorrect password. Our technicians resolve the issue by simply retyping the password into the "Log On" tab from the services.msc. Unfortunately we have not been able to root cause. I suspect that the password that is stored for the service is lost somehow. Does anyone know where the password hash might be stored so we can check it? The only activities that seem to be possibly related are patching with Microsoft security patches, but we have multiple servers running the same service, and we have never seen more than one at a time, and its usually a different one each time when this occurrs. I believe this to be the same issue as this: Windows service fails to start with custom user until started once with local user But i was unable to add comments, and its really old.

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• RTorrent stops my torrents, crashes, and I have to manually re-add torrents and start them. How can I stop this cycle of doom?

  - by meder

  I cannot use transmission which is the best torrent client because it's banned from one of the trackers I use, so I am forced to use rtorrent. Normally I am all for command-line programs, however rtorrent ( 0.8.6/0.12.6 ) is simply frustrating. It is not intuitive, imo. I have 400 MB left on the HD and that's more than enough to dl this 200 MB avi. Rtorrent stops the download, though. It says [CLOSED] near the torrent. I do ctrl-r and that invokes the local hash check, and after that's done rtorrent simply dies ( wtf? ). Afterwards, it gives me rtorrent: TrackerManager::send_later() m_control->set() == DownloadInfo::STOPPED. So that leads me to open rtorrent again, then hit ENTER and /home/meder/file.avi.torrent, down arrow, and ctrl-S. I am looking for multiple things... How can I tell rtorrent to not worry about disk space? Again, it stops the torrent if my HD only has 400 mb when the torrent I'm dling is 200 mb ( there are no other torrents ). Why does ctrl-R fail hard? Why does it cause rtorrent to crash? If #2 is not solvable, can someone provide an easy way to add a torrent and start it, a more efficient method than typing the torrent name, hitting the down arrow, and ctrl-S?

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• Messed up partitions... system will not boot!

  - by someguy

  I did a really dumb thing. cfdisk threw an error at me saying "FATAL ERROR: Bad primary partition 3: Partition ends in the final partial cylinder", so I installed Partition Table Doctor to see if I could fix the problem. When the program started up, it told me there were problems with my partitions, and asked if I wanted them fixed (cannot remember real message, but I believe it had something to do with the cylinder boundaries), so, blindly, without thinking of the consequences, I did. Now, my system will not boot. I tried booting from the Windows 7 installation CD. I went to install a fresh copy, but it said that "No drives were found". I then opened up diskpart. According to diskpart, there is only one partition, containing one volume, assigned the letter "C". Before, I had four partitions! It is also saying that the file system is RAW. Is there any way I can fix this? I have important data that I do not want to lose. Later on... I tried fdisk with the option -l, which lists the partition table(s), and this is what I got: Ignoring extra extended partition 4 Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 64 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x163df116 Device Boot Start End Blocks Id System /dev/sda1 6 18 102400 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 18 7851 62918572+ 7 HPFS/NTFS /dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA) /dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA) /dev/sda3 13073 30403 139203193 7 HPFS/NTFS I don't know if this will help, but it's extra information, at least. Also, this is how I had my partitions: 40MB (Unallocated) 100MB (System Reserved) 60GB (Windows, C:) 40GB (Was reserved for secondary OS) ~132GB (Home, E:)

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• Getting Started in SuSE as an Ubuntu User

  - by Subhamoy Sengupta

  I am not a Linux newbie, but haven't touched SuSE in a very very long time (last time I tried it, it was SuSE 7!). Finally now I felt like giving it a try, and many things seem strange or unnecessarily complex. I have a series of questions. How do I ensure that my packages are uptodate? It sounds silly, but I tried the obvious methods already. I have disabled the default repositories that show up when you do zypper lr, and added Tumbleweed and packman repositories (Essentials, Multimedia, Extra). Then I did a sudo zypper ref --force and then sudo zypper dup, and it tells me many dependencies are not met. I have already added solder.allowVendorChange=true to /etc/zypp/zypp.conf, so it should not care which repository the latest versions are in, and just upgrade to it. Even when I chose to skip the packages with unmet dependencies, and seemed like quite a bit happened in the background, I opened Firefox afterwards and the version was 7! I am guessing things did not go as expected. But of course this is not a problem with SuSE, but I am not understanding the system right. How do I do it right? When I start typing arguments of a command, for example sudo zypper install, when I type sudo zypper ins and keep hitting TAB, nothing happens! It always worked in Ubuntu and I feel very uneasy with this. Is this how SuSE is supposed to be? When I try to install something, and I start writing its name, even though the package exists and I am sure of it, hitting TAB does not autocomplete it. This is also quite inconvenient. Why is it not happening? There are many things in SuSE that are really great, and I think I will stay with it and not go back to Ubuntu once I settle these very rudimentary issues. But right now they are giving me a lot of grief! Please help!

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• IIS 7, FastCGI, PHP and custom php.ini files

  - by Marlon

  I'm running PHP 5.3, FastCGI, and IIS 7 on Windows Server 2008. I have a site which I would like to configure its own php.ini settings for but things aren't working as expected. I am following the tutorial located here. This is what I have done so far: 1) Configured a new website with it's own AppPool. 2) Selected PHP 5.3.6 from the PHP Manager available on the website home on IIS (not the web server home which sets the global version of PHP) 3) Added the following lines to the section of the applicationHost.config file located at system32/inetsrv/config <application fullPath="C:\Program Files (x86)\PHP\v5.3\php-cgi.exe" arguments="-d open_basedir=C:\inetpub\wwwroot\kickasswebsite.com" maxInstances="4" idleTimeout="300" activityTimeout="30" requestTimeout="90" instanceMaxRequests="200" protocol="NamedPipe" queueLength="1000" flushNamedPipe="false" rapidFailsPerMinute="10"> <environmentVariables> <environmentVariable name="PHPRC" value="c:\inetpub\wwwroot\kickasswebsite.com" /> </environmentVariables> </application> 4) I then create a php.ini file located in C:\inetpub\wwwroot\kickasswebsite.com (the location of the root of the website) register_globals = on 5) I then run test.php which simply outputs everything the method call to phpinfo() returns. At this point, I observe that the global setting for register_globals = off (as it should be), but the local setting for register_globals = off, even though I specified it differently in the php.ini file I created at the root of the site. Furthermore, I see these settings in the output of the php.ini Configuration File (php.ini) Path C:\Windows Loaded Configuration File C:\Program Files (x86)\PHP\v5.3\php.ini Scan this dir for additional .ini files (none) Additional .ini files parsed (none) What am I messing up on, or is there a different way to go about this?

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• Using IIS6 to run kill process. Executable hangs

  - by David

  I'm using the following code (any tried many variations) in a web page that is supposed to kill a process on the server: Process scriptProc = new Process(); SecureString password = new SecureString(); password.AppendChar('p'); password.AppendChar('s'); password.AppendChar('s'); password.AppendChar('w'); password.AppendChar('d'); scriptProc.StartInfo.UserName = "mylocaluser"; scriptProc.StartInfo.Password = password; scriptProc.StartInfo.FileName = @"C:\WINDOWS\System32\WScript.exe"; scriptProc.StartInfo.Arguments = @"c:\windows\system32\killMyApp.vbs"; scriptProc.StartInfo.UseShellExecute = false; scriptProc.Start(); scriptProc.WaitForExit(); scriptProc.Close(); The VBS file is supposed to kill a w3wp.exe process, but never works. There are no errors in the application log. It works locally. I noticed WScript.exe is in task manager every time I run the page, and never goes away. The process WScript.exe (and I tried others such a psexec.exe) is being run as a local user with admin rights (and I tried other types of users including domain admins) when run from IIS, but it works when run from the command line on the server.

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• How does rsync --daemon know which way it is being run?

  - by Skaperen

  I am wanting to run rsync over an SSL/TLS encrypted connection. It does not do this directly so I am exploring options. The stunnel program looks promising, although more complicated than designed due to the need to hop connections with the -r option. However, I do find there is a -l option to run a program. I am assuming this works by having two processes, one to carry out the SSL/TLS work, and one to be the worker which the client is communicating to. These would then communicate by a pipe pair or two way socket between them. What struck me as odd when I surveyed a number of web pages to see how to properly set this up is that whether running as a standalone daemon, or under a super daemon like inetd, the arguments for rsync are the same. How does rsync --daemon know whether it should open a socket and listen on it for many connections, or just service one connection by communicating with the stdin/stdout descriptors is has when it starts up (which really would go through the extra process to handle the encryption, description, and SSL/TLS protocol layer)? And then I need to find a way to wrap the client to have it do SSL/TLS in one simple command (as opposed to connection hopping that stunnel seems to favor).

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• Postfix : outgoing mail in TLS for a specific domain

  - by vercetty92

  I am trying to configure postfix to send mail in TLS (starttls in fact), but only for a specific destination. I tried with "smtp_tls_policy_maps". This is the only line in my main.cf file regarding TLS configuration, but it seems not working. Here is my main.cf file: queue_directory = /opt/csw/var/spool/postfix command_directory = /opt/csw/sbin daemon_directory = /opt/csw/libexec/postfix html_directory = /opt/csw/share/doc/postfix/html manpage_directory = /opt/csw/share/man sample_directory = /opt/csw/share/doc/postfix/samples readme_directory = /opt/csw/share/doc/postfix/README_FILES mail_spool_directory = /var/spool/mail sendmail_path = /opt/csw/sbin/sendmail newaliases_path = /opt/csw/bin/newaliases mailq_path = /opt/csw/bin/mailq mail_owner = postfix setgid_group = postdrop mydomain = ullink.net myorigin = $myhostname mydestination = $myhostname, localhost.$mydomain, localhost masquerade_domains = vercetty92.net alias_maps = dbm:/etc/opt/csw/postfix/aliases alias_database = dbm:/etc/opt/csw/postfix/aliases transport_maps = dbm:/etc/opt/csw/postfix/transport smtp_tls_policy_maps = dbm:/etc/opt/csw/postfix/tls_policy inet_interfaces = all unknown_local_recipient_reject_code = 550 relayhost = smtpd_banner = $myhostname ESMTP $mail_name debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin xxgdb $daemon_directory/$process_name $process_id & sleep 5 And here is my "tls_policy" file: gmail.com encrypt protocols=SSLv3:TLSv1 ciphers=high I also tried gmail.com encrypt My wish is to use TLS only for the gmail domain. With this configuration, I don't see any TLS line in the source of the mail. But if I tell postfix to use TLS if possible for all destination with this line, it works: smtp_tls_security_level = may Beause I can see this line in the source of my mail: (version=TLSv1/SSLv3 cipher=OTHER); But I don't want to try to use TLS for the others domains...only for gmail... Do I miss something in my conf? (I also try whith "hash:/etc/opt/csw/postfix/tls_policy", and it's the same) Thanks a lot in advance

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• Problems Installing slapd On Ubuntu Server 11.10

  - by Zach Dziura

  I know that there's a Ubuntu-specific StackExchange website, but I thought that I'd ask here because it's a server-specific question. If I'm wrong in my logic... Well, you people are better at this than I am! O=) On with the show! I'm in the process of installing Oracle Database 11g R2 Standard Edition onto Ubuntu Server 11.10. I found a guide on the Oracle Support Forums that walks you through the process fairly easily. Unfortunately, I'm running into issues installing one particular dependency: slapd. When I go to install it, I get this error message: (Reading database ... 64726 files and directories currently installed.) Unpacking slapd (from .../slapd_2.4.25-1.1ubuntu4.1_amd64.deb) ... Processing triggers for man-db ... Processing triggers for ufw ... Processing triggers for ureadahead ... Setting up slapd (2.4.25-1.1ubuntu4.1) ... Usage: slappasswd [options] -c format crypt(3) salt format -g generate random password -h hash password scheme -n omit trailing newline -s secret new password -u generate RFC2307 values (default) -v increase verbosity -T file read file for new password Creating initial configuration... Loading the initial configuration from the ldif file () failed with the following error while running slapadd: str2entry: invalid value for attributeType olcRootPW #0 (syntax 1.3.6.1.4.1.1466.115.121.1.15) slapadd: could not parse entry (line=1051) dpkg: error processing slapd (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: slapd E: Sub-process /usr/bin/dpkg returned an error code (1) After much Google searches and forum trolling, I have yet to find a definitive answer as to what's going wrong. The error messages seem straight forward enough, but I have no idea how to debug this. Can anyone offer some assistance? Again, if I'm asking in the wrong place, I apologize. If I'm indeed asking properly, then thank you for any and all help!

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• Install Exchange 2013 with DSC

  - by Alain Laventure

  I tried to install Exchange 2013 with the resource windowsProcess in existing Exchange Configuration. All prerequisites are installed (the Exchange Organization still exists). This is my Resource section: WindowsProcess Exchange2013 { Credential=$credential Path= "C:\Sources\Cumulative Update 5 for Exchange Server 2013 (KB2936880)\Setup.exe" Arguments= "/mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /TargetDir:C:\EX2013" Ensure= "Present" } #End Filter } #End Node } # End configuration /* @TargetNode='TargetDSC02' @GeneratedBy=exadmin @GenerationDate=08/02/2014 08:16:03 @GenerationHost=SOURCEDSC02 */ instance of MSFT_Credential as $MSFT_Credential1ref { Password = "Password1"; UserName = "S05\\Exadmin"; }; Exadmin is a member of Orgaganization Management Group and it is also member of Domain Admin Group, to be able to install Exchange When I execute this resource , Exchange Installation Start but after 1 minute the installation stops with this error: Failed [Rule:GlobalServerInstall] [Message:You must be a member of the 'Organization Management' role group or a member of the 'Enterprise Admins' group to continue.] To be sure that the right is really the problem I create a special User with only Administrator right of the Exchange server and with no Exchange Permission I run manually on the new Exchange server .\Setup.exe /mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /Targetdir:C:\EX2013 And I got the Same error that with DSC. After I add my test user in the Organization Management Group and I run again manually .\Setup.exe /mode:Install /role:Mailbox /IAcceptExchangeServerLicenseTerms /Targetdir:C:\EX2013 And the Exchange 2013 installation finish without any error. That prove that the problem with DSC is Permission right.

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• Log shipping on select tables.

  - by Scott Chamberlain

  I know I am most likely using incorrect terminology so please correct me if I use the wrong terms so I can search better. We have a very large database at a client's site and we would like to have up to date copies of some of the tables sent across the internet to our servers at our office. We would like to only copy a few of the tables because the bandwidth requirement to do log shipping of the entire database (our current solution) is too high. Also replication directly to our servers is out of the question as our servers are not accessible from the internet and management does not want to do replication (more on that later). One possible Idea we had is to do some form of replication on the tables we need to another database on the same server and do log shipping of that second smaller database but management is concerned that the clients have broken replication (it was between two servers on their internal network however) on us in the past and would like to stay away from it if possible. Any recommendations would be greatly appreciated. If using some form of replication is the only solution, I am not against replication, I just need compelling arguments to convince management to do it. This is to be set up on multiple sites that are running either Sql2005 or Sql2008 we will have both versions on our end to restore the data to so that is not a issue. Thank you.

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• IP tables blocking access to most hosts but some accesses being logged

  - by epo

  What am I getting wrong? A while back I locked down my web hosting service while hardening it or at least trying to. Apache listens on port 80 only and I set up iptables using the following: IPS="list of IPs" iptables --new-chain webtest # Accept all established connections iptables -A INPUT --protocol tcp --dport 80 --jump webtest iptables -A INPUT --match state --state ESTABLISHED,RELATED --jump ACCEPT iptables -A webtest --match state --state ESTABLISHED,RELATED --jump ACCEPT for ip in $IPS; do iptables -A webtest --match state --state NEW --source $ip --jump ACCEPT done iptables -A webtest --jump DROP However looking at my apache logs I notice various log entries in access_log, e.g. 221.192.199.35 - - [16/May/2010:13:04:31 +0100] "GET http://www.wantsfly.com/prx2.php?hash=926DE27C156B40E55E4CFC8F005053E2D81E6D688AF0 HTTP/1.0" 404 206 "-" "Mozilla/ 4.0 (compatible; MSIE 6.0; Windows NT 5.0)" 201.228.144.124 - - [16/May/2010:11:54:16 +0100] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 226 "-" "-" 207.46.195.224 - - [16/May/2010:04:06:48 +0100] "GET /robots.txt HTTP/1.1" 200 311 "-" "msnbot/2.0b (+http://search.msn.com/msnbot.htm)" How are these slipping through? I don't mind the indexing bots (though I am a little surprised to see them get through). I suppose they must be getting through using the ESTABLISHED,RELATED rules. And no, I can't for the life of me remember why the first match state rule is there So 2 questions: is there a better way to set up iptables to restrict access to specified hosts? How exactly are these 3 examples slipping through?

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• Sendmail Configuration for Exchange Server

  - by user119720

  i need help for sendmail configuration in our linux machine. Here the things: I want to send email to outside by using our exchange server as the mail relay.But when sending the email through the server,it will response "user unknown".To make it worse, it will bounce back all the sent message to my localhost. I already tested our configuration by using external mail server such as gmail and yahoo,the configuration is working without any issue and the email can be sent to the recipient.Most of the configuration of my sendmail is based on here. authinfo file : AuthInfo:my_exchange_server "U:my_name" "I:my_email" "P:my_passwd" "M:PLAIN LOGIN" AuthInfo:my_exchange_server:587 "U:my_name" "I:my_email" "P:my_passwd" "M:PLAIN LOGIN" sendmail.mc : FEATURE(authinfo,hash /etc/mail/authinfo.db) define(`SMART_HOST', `my_exchange server')dnl define('RELAY_MAILER_ARGS', 'TCP $h 587') define('ESMTP_MAILER_ARGS', 'TCP $h 587') define('confCACERT_PATH', '/usr/share/ssl/certs') define('confCACET','/usr/share/ssl/certs/ca-bundle.crt') define('confSERVER_CERT','/usr/share/ssl/certs/sendmail.pem') define('confSERVER_KEY','/usr/share/ssl/certs/sendmail.pem') define('confAUTH_MECHANISMS', 'EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN') TRUST_AUTH_MECH('EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN') define('confAUTH_OPTIONS, 'A')dnl My first assumptions the problem occur is due to the authentication problem, as exchange server need encrypted authentication (DIGEST-MD5).I have already changed this in the authinfo file (from plain login to digest-md5 login) but still not working. I also can telnet our exchange server.So the port is not being blocked by firewall. Can someone help me out with this problems?I'm really at wits ends. Thanks.

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• Can My Personal GMail Query A Remote LDAP Server?

  - by Maarx

  I have a personal GMail account, from which I frequently send e-mail to a great many various users of a specific business. The corporation has been kind enough to provide me with the credentials to access their LDAP server, with which I would like my GMail web client to be able to auto-complete partial addresses or names for which that LDAP server has an entry. Is there any way I can get a personal GMail account (or it's corresponding entire Google account) account to incorporate an LDAP server into it's Contacts? If I cannot get it to query dynamically and on-demand, is there an idiot-proof way (assuming the client permits, which they may not) to query the LDAP server for it's entire database, save it, and bulk import it to GMail? Perhaps, even, something I could set to repeat periodically (weekly, perhaps), without human interaction? If I did the latter, I assume it would be trivial to import all of these contacts under a single category that could be easily manipulated from within the GMail web-based client. I have been a staunch user and supporter of the GMail web-based client since it's instantiation, but this one is kind of a deal-breaker for me. If it's impossible, what do you suggest I do?

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• Sql Server 2005 Connection Unstable When Sharing Connection

  - by intermension

  When connecting to a customers hosting service via Sql Server Management Studio on an internet connection that also has other activity on it, the Sql Server connection to the hosting service is often dropped. An obvious work around to this problem is to NOT have additional traffic on the connection but it still begs the question "Why the Sql Server connection is so unstable?". If there is, for arguments sake, 100kb of bandwidth and a couple of downloads running that are being serviced at 35kB each then there is 30kB bandwidth spare capacity. If a 3rd download is started, that can be serviced at 35kB by the server, it will top out at 30kB and leave zero spare capacity. This is fine and all downloads get along nicely. However it seems that with Sql Server connections it doesn't matter if there is spare bandwidth. Sql Server regularly times out if there is any additional activity on the connection even if i have 1024kB spare bandwidth capacity. This has been experienced across different customer hosting providers over the years and so the assumption is that it's Sql Server related. Why does Sql Server (apparently) require exclusive access to the internet connection in order to maintain a connection... even if that connection has plenty of spare capacity over and above any additional activity on the connection?

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• Create custom launchers in GNOME 3

  - by hochl

  I'm using Debian testing, and I have been switched to GNOME 3 by the Debian update yesterday. I'm not very comfortable with the UI. I wanted to customize everything like I had it with GNOME 2, but I simply couldn't find any way to change preferences like I'm used to. I've digged some, but all answers I could find did not help me achieve my goals. So please, if anyone knows the solution to this I'd be thankful: 1) I want several launchers that launch terminals, with different arguments and different coloring/title. I have searched everything and there seems to be no menu, no right-click, nothing which is standard in any UI I know. How can I create several launchers in this bar on the left side that launch the same application, just with different parameters? With GNOME 2 this was a piece of cake. 2) I want to switch between different terminals using ALT-TAB. Right now, I'm always just getting to the same, already-opened terminal. When I open two terminals by simply creating the second one by issuing xterm &, I still get one Terminal entry with ALT-TAB, and I have to navigate with cursor keys or mouse wheel to select one of the two xterminals. Instead, I want to open a new terminal when I click the quick launch terminal icon from the bar on the left side of the screen and navigate through them like on KDE/GNOME 2/Windows/any reasonable UI. Can this be done? 3) Is there a trick to make bluetooth devices work like on GNOME 2? Right now, my BT keyboard won't pair anymore, which, as you can imagine, makes me pretty angry. and, if anything fails: 4) How can I switch back to GNOME 2 again? :-) Honestly, who did design this? What were they smoking? I feel like I'm not allowed to do anything except start one of any application that has an icon and just with the default parameters. That can't be true, right? I feel massively restrained by this stuff :(

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• Korean characters not appearing in Korean Windows XP computer

  - by user13267

  I am using a Korean software (with a partial English interface) in a Korean Version of Windows XP SP 3 However, in parts of the software, even when I change the interface to Korean, Korean letters show up as random characters, as shown here: This is happening at others parts of the software as well, and I am not sure what is the difference between the places where this is happening, and places where this is not happening. For example, a command button where Korean letters are showing up properly is shown below: This software is a video conferencing software and has a chat feature as well. When I type into the chat box, i can see the Korean letters appear properly at my side, but when I press Enter and send the message, it changes into random characters as shown above in the chat box. What could be the issue here? Could it be a missing font in my computer? Since this is a Korean Windows installation I was hoping everything would work properly by default. What can be done here? EDIT 1: I asked some other people who are using this software, and they think that the problem is at my end, and playing around with the Regional and Language Settings might solve the problem. Also, they suggested I install all the language packs related to Korean display. But it looks like all the language packs have been installed, and my location is set to Korea in Regional and Language Settings in Control Panel, and I still have this problem. Also, I have had similar problems with displaying Korean on an English Windows XP computer. This answer suggested some solutions, but I still do not quite understand exactly what I have to do (at that time I had not fixed the problem, as I later on changed the computer). If I follow that answer, what fonts exactly do I need to install?

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• sysbench memory test on ec2 small instance

  - by caribio

  I'm seeing a problem with sysbench memory test (the default version that's compiled in). This is on Ubuntu Maverick, sysbench installed via apt-get install sysbench. Running the same thing on Ubuntu @ Rackspace worked just as expected. While the CPU and I/O tests worked fine on EC2 servers, the memory test just runs without doing anything (notice the 0M in the test results). The instance used was the publicly available 'stock' Ubuntu image with no changes to it: ./ec2-run-instances ami-ccf405a5 --instance-type m1.small --region us-east-1 --key mykey Supplying more arguments (such as: --memory-block-size=1K --memory-total-size=102400M) didn't help. What am I doing wrong? Thanks. sysbench --num-threads=4 --test=memory run sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 4 Doing memory operations speed test Memory block size: 1K Memory transfer size: 0M Memory operations type: write Memory scope type: global Threads started! Done. Operations performed: 0 ( 0.00 ops/sec) 0.00 MB transferred (0.00 MB/sec) Test execution summary: total time: 0.0003s total number of events: 0 total time taken by event execution: 0.0000 per-request statistics: min: 18446744073709.55ms avg: 0.00ms max: 0.00ms Threads fairness: events (avg/stddev): 0.0000/0.00 execution time (avg/stddev): 0.0000/0.00

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• Latitude D600 USB port problem

  - by Moab

  Both USB ports stopped communicating on my D600, they have power, my optical mouse still lights up, no device works on the ports, everything is fine in Device manager in Dual boot XP and W7. Checked the bios, not much in there for USB. No usb device shows up when I use the F12 boot device menu either, so it must be some hardware issue. I have another hard drive with Ubuntu on it, popped it in and USB does not communicate with it either. Appears to have 5v but no communication, any Ideas besides another motherboard or USB card for the pcmcia slot (these don't work to well from my research)? I mostly use them for mass storage devices and pcmcia slots don't supply enough power for these devices. Thanks to all who answer with last ditch efforts. I hate to give up on it, its been good to me and still runs rather well for its vintage. EDIT: I did inspect the ports with a flashlight and did a partial disassembly of the laptop in an attempt to check the solder joints, but would require complete motherboard removal to see them, that is where I stopped. .

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• Why database partitioning didn't work? Extract from thedailywtf.com

  - by questzen

  Original link. http://thedailywtf.com/Articles/The-Certified-DBA.aspx. Article summary: The DBA suggests an approach involving rigorous partitioning, 10 partitions per disk (3 actual disks and 3 raid). The stats show that the performance is non-optimal. Then the DBA suggests an alternative of 1 partition per disk (with more added disks). This also fails. The sys-admin then sets up a single disk, single partition and saves the day. The size of disks was not mentioned but given today,s typical disk sizes (of the order of 100 GB), the partitions ; would be huge, it surprises me that a single disk with all partitions outperformed. Initially I suspect that the data was segregated and hence faster reads. But how come the performance didn't degrade as time went by with all the inserts and updates happening? Saw this on reddit, but the explanation was by far spindle/platter centered. There was no mention in the article about this. Is there any other reason? I can only guess that the tables were using a incorrect hash distribution causing non-uniform allocation across disks (wrong partitioning); this would increase fetch times. Any thoughts?

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• Debugging nginx URL rewrite: How do I figure out where the problem is?

  - by pjmorse

  I have a specific URL pattern on a site which needs to be redirected to the HTTPS version. This is a Django site; Nginx checks each URL in memcached, and if it doesn't find a cached version it proxies the request to Apache/mod_python for Django to render the page. The relevant configuration block is rewrite ^/certificate https://mysite.com/certificate ; rewrite ^/([a-zA-Z]{2})/certificate https://mysite.com/certificate ; ...and it doesn't appear to be working at all. Nginx is: $ nginx -V nginx version: nginx/0.7.65 built by gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu4) TLS SNI support disabled configure arguments: --prefix=/usr/local/nginx --pid-path=/var/run/nginx.pid --with-http_gzip_static_module --with-http_ssl_module How can I figure out if the problem is my patterns not matching, or a more obscure configuration problem? (The site is localized to three languages, and the localization is in the URL string, e.g. /US/news/, /DE/about, etc. It tracks localization in the session as well, defaulting to US, so if you just requested /news Django will rewrite to /US/news unless the user has a cookie indicating they're using a different localization. Django handles this, though, not Nginx.)

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• How do I configure Jetty (via jettyrunner) so that it names a character set in the Content-Type response header?

  - by Pointy

  I use Jetty (via the oh-so-handy Jetty Runner) for day-to-day web application testing. One thing I've recently stumbled on is the fact that I don't get a character set called out in the "Content-Type" response header all the time. I do get it in response to my application's XMLHttpRequest transactions, but not for plain old pages loaded by <a> links or whatever. I've read a little bit about how to set up a Jetty config file, but I've never been able to completely understand that; all servlet containers are complicated, and while Jetty is pretty simple it's just weird enough that I don't grok the overall idea. Thus, all I do to launch my app is to run the Jetty Runner .jar file with a couple of simple arguments to set up the port number and logfile path, and then I just give it the .war file to run. It works great — except for the missing character set :-) Anybody have a quick sample config file that might fix this? edit — oh if it matters, I'm running Jetty 7.0.0 RC3; I've also tried with a slightly newer version (still 7.something) with exactly the same issue. All my testing is on Ubuntu.

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• Expire Files In A Folder: Delete Files After x Days

  - by Brett G

  I'm looking to make a "Drop Folder" in a windows shared drive that is accessible to everyone. I'd like files to be deleted automagically if they sit in the folder for more than X days. However, it seems like all methods I've found to do this, use the last modified date, last access time, or creation date of a file. I'm trying to make this a folder that a user can drop files in to share with somebody. If someone copies or moves files into here, I'd like the clock to start ticking at this point. However, the last modified date and creation date of a file will not be updated unless someone actually modifies the file. The last access time is updated too frequently... it seems that just opening a directory in windows explorer will update the last access time. Anyone know of a solution to this? I'm thinking that cataloging the hash of files on a daily basis and then expiring files based on hashes older than a certain date might be a solution.... but taking hashes of files can be time consuming. Any ideas would be greatly appreciated! Note: I've already looked at quite a lot of answers on here... looked into File Server Resource Monitor, powershell scripts, batch scripts, etc. They still use the last access time, last modified time or creation time... which, as described, do not fit the above needs.

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• Finding the current user authenticated by basic auth (Apache)

  - by jtd

  When you log in through a basic auth page, is the username you authenticated as stored anywhere (on the server or client machine), maybe in an environment variable? Background: I have a common web administration page for an e-mail server and I'd like to know who is doing what. When a user successfully logs in via basic auth, I somehow want to be able to identify them and log their actions. So each time a request is submitted, I can write to a log file. The basic format would be: $username ran a $function against $useraccount so if a user changed someone's permissions, eg: Admin-Bob ran a permission change against User-Scott So if errors occur, I can easily trace back in the log file what actions lead to the cause. I tried checking the %ENV hash to no avail, any Ideas? I don't really want to get into PHP-like sessions, because that would mean scrapping my basic auth, which gives me a fine degree of control already. If I have to code something with sessions, I'd need to implement a system to block users after maximum tries and so on, which I don't really want to code. I think this is better geared towards serverfault because it pertains to Apache moreso than the programming language. Sessions can be done in a myriad of languages.

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• Why is my rsync so slow compared to pure cp or even scp?

  - by nfm

  I'm transfering the files from Linux to Windows 7 via a mounted share (the share is mounted from Windows on Linux).. I'm copying lots of data (i.e. nearly a TB) from the old to the new machine within my LAN. I'm unfortunate enough already that I only have 100MBit. Naturally I blindly used rsync but already wondered after a day why it feels so slow. Enabling the progress meter showed my a transfer rate of about 2MBit/s . So I took a reasonable big file (800MB) and tracked the transfer timing: cp : 05:33 scp (*): 06:33 rsync : 21:51 *) scp via localhost to the same Linux machine directly onto the share; completely useless but provided a progress meter The tests were as simple as (cp|scp|rsync) <source> <destination> No special arguments except host/port for scp. I even tried the -W switch for rsync but cancelled after ten minutes. rsync is 3.0.3 running on Lenny. To be able to interrupt the copy process anytime and resume lead me to rsync, but now I think I seriously need to reconsider this requirement. How's such a big difference possible?

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