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  • Problems with mounting .ISO files

    - by user89599
    I'm using Precise, with GNOME. I've attempted to install some retro, multi-cd games (KOTOR1) via .ISO images and WINE, but I can't get the ISO's to mount correctly. First I tried GMountISO, which showed a read-only warning but worked - until I went to unmount. When the installation program asked for CD 2 I couldn't unmount from the /cdrom folder because neither GMountISO or umount from terminal could detect the mount. After a reboot, I changed to GISOMount (different somehow, I guess?), but when I attempt to mount the ISO I get an error window explaining the syntax of the mount command and, which is also what I get when I attempt to use mount from terminal. After checking /media from terminal on a lark I see the disc mounted there twice over, but umount won't recognize it, even when I specify the full path sudo umount /media/KOTOR_1.iso. It cleared up upon reboot. Can someone please assist? UPDATE :: Thanks for the quick response. What's weird, is the images are like stuck in limbo... I'll show you: sc@sc-HP-110-3700:/media$ ls cdrom KOTOR_1(0)(vcd) KOTOR_1(vcd) sc@sc-HP-110-3700:/media$ cd cdrom sc@sc-HP-110-3700:/media/cdrom$ ls sc@sc-HP-110-3700:/media/cdrom$ cd .. sc@sc-HP-110-3700:/media$ umount KOTOR_1(vcd) bash: syntax error near unexpected token `(' sc@sc-HP-110-3700:/media$ umount KOTOR_1.ISO umount: KOTOR_1.ISO is not mounted (according to mtab) sc@sc-HP-110-3700:/media$ sudo umount -a umount: /run/shm: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) umount: /run: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) umount: /dev: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) umount: /: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) sc@sc-HP-110-3700:/media$

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  • Cannot access files after trying to upgrade Ubuntu

    - by Ola
    I tried to upgrade Ubuntu from 11.10 to 12.04. I left it for 24 hours but the upgrade did not complete. Hence I cancelled the upgrade. I thought I will copy all the files that I have to a DVD/CD and try try downloading a copy of Ubuntu. But now, I cannot open any file or copy them. I cannot even shutdown my laptop. I have many important files on my laptop. Can someone help me retrieve my files from my laptop? Regards Ola

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  • It's called College.

    - by jeffreyabecker
    Today I saw yet another 'GUID vs int as your primary key' article. Like most of the ones I've read this was filled with technical misrepresentations and out-right fallices. Chef's famous line that "There's a time and a place for everything children" applies here. GUIDs have distinct advantages and disadvantages which should be considered when choosing a data type for the primary key. Fallacy 1: "Its easier" An integer data type(tinyint, smallint, int, bigint) is a better artifical key than a GUID because its easier to remember. I'm a firm believer that your artifical primary keys should be opaque gibberish. PK's are an implementation detail which should never be exposed to the user or relied on for business logic. If you want things to come back in an order, add and ORDER BY clause and SortOrder fields. If you want a human-usable look-up add a business key with a unique constraint. If you want to know what order things were inserted into a table add a timestamp. Fallacy 2: "Size Matters" For many applications, the size of the artifical primary key is going to be irrelevant. The particular article which kicked this post off stated repeatedly that joining against an int has better performance than joining against a GUID. In computer science the performance of your algorithm is always a function of the number of data points. This still holds true for databases. Unless your table is very large, the performance difference between an int and a guid probably isnt going to be mesurable let alone noticeable. My personal experience is that the performance becomes an issue when you start having billions of rows in the table. At this point, you should probably start looking to move from int to bigint so the effective space/performance gain isnt as much as you'd think. GUID Advantages: Insert-ability / Mergeability: You can reliably insert guids into tables without key collisions. Database Independence: Saving entities to the database often requires knowing ids. With identity based ids the id must be selected back after every insert. GUIDs can be generated application-side allowing much faster inserts. GUID Disadvantages: Generatability: You can calculate the next id for an integer pk pretty easily in your head but will need a program to generate GUIDs. Solution: "Select top 100 newid() from sysobjects" Fragmentation: most GUID generation algorithms generate pseudo random GUIDs. This can cause inserts into the middle of your clustered index. Solutions: add a default of newsequentialid() or use GuidComb in NHibernate.

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  • PNP4Nagios creates infinite .perfdata files

    - by Kevin Maschke
    at our company we have installed a Icinga together with PNP4Nagios. We've got a rare problem with the perfdata files PNP4Nagios creates. Each couple of weeks, we notice that our icinga server stops working correctly because it runs out of inodes. I've been looking around, and I've noticed that the problem is here: /usr/local/pnp4nagios/var/spool Each couple of weeks, this folder contains over 300k perfdata files of this type: perfdata.1336058870 I think it must be a PNP4Nagios problem, because I think that normally each "X" time, PNP4Nagios should override existing perfdata files to NOT generate new ones. Do you have any idea on what I could change or what I must do to solve this problem? Thanks in advance.

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  • Interviewing a DBA

    - by kev
    Our Company is in the Process of recuiting a DBA. I have built a group test of questions from basic questions such as Pk and Fk constraints, simple querries(fizzbuzz style) to more advanced things such as indexes, Collation, isolation levels and how to trace deadlocks. However, that is the limit of my knowledge. So my question to all the DBA's is what is the base level knowledge that all DBA's should have? We are really looking for someone that will be able to manage our replication, analyzing some of our slower running queries(that the devs can go to for help) and someone that can trace some of the deadlock issues that we are having. Any help would be most appreciated!

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  • Accessibility bus warning when opening files in Eclipse from command line (Ubuntu 13.10)

    - by Reese
    Similar to closed issue Gnome Menu Broken? When opening a file from the command line for edits in Eclipse , I get this warning: ** (eclipse:nnnn): WARNING **: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. The 4-digit number at (eclipse:nnnn) changes each time I issue an 'eclipse some/file.ext' command. The file opens but the warning is an annoyance that shouldn't be happening, it may be indicative of some other problem. Updated Ubuntu 13.10 64-bit, updated Eclipse Luna.

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  • Bash script using eyeD3 to remove extra tags from mp3 files

    - by jaguare22
    I found what looks like the perfect script for this but getting errors. Hoping someone can see problem. I am running 12.04 Server. Error is - awk: line 0: regular expression compile failed (missing '(') ): awk: line 0: regular expression compile failed (missing '(') ) The following tags have been found in the mp3s: These tags are to be stripped: Here is a the script obtained from savvyadmin !/bin/bash Script name: strip-tags.sh Original Author: Ian of DarkStarShout Blog Site: http://darkstarshout.blogspot.com/ Options slightly modified to liking of SavvyAdmin.com oktags="TALB APIC TCON TPE1 TPE2 TPE3 TIT2 TRCK TYER TCOM TPOS" indexfile=mktemp Determine tags present: find . -iname "*.mp3" -exec eyeD3 --no-color -v {} \; $indexfile tagspresent=sort -u $indexfile | awk -F\): '/^<.*$/ {print $1}' \ | uniq | awk -F\)\> '{print $1}' | awk -F\( '{print $(NF)}' \ | awk 'BEGIN {ORS=" "} {print $0}' rm $indexfile Determine tags to strip: tostrip=echo -n $tagspresent $oktags $oktags \ | awk 'BEGIN {RS=" "; ORS="\n"} {print $0}' | sort | uniq -u \ | awk 'BEGIN {ORS=" "} {print $0}' Confirm action: echo echo The following tags have been found in the mp3s: echo $tagspresent echo These tags are to be stripped: echo $tostrip echo echo -n Press enter to confirm, or Ctrl+C to cancel... read dummy Strip 'em stripstring=echo $tostrip \ | awk 'BEGIN {FS="\n"; RS=" "} {print "--set-text-frame=" $1 ": "}' First pass copies any v1.x tags to v2.3 and strips unwanted tag data. Second pass removes v1.x tags, since I don't like to use them. Without --no-tagging-time-frame, a new unwanted tag is added. :-) find . -iname "*.mp3" \ -exec eyeD3 --to-v2.3 --no-tagging-time-frame $stripstring {} \; \ -exec eyeD3 --remove-v1 --no-tagging-time-frame {} \; echo "Script complete!"

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  • Interviewing a DBA

    - by kev
    Our Company is in the Process of recuiting a DBA. I have built a group test of questions from basic questions such as Pk and Fk constraints, simple querries(fizzbuzz style) to more advanced things such as indexes, Collation, isolation levels and how to trace deadlocks. However, that is the limit of my knowledge. So my question to all the DBA's is what is the base level knowledge that all DBA's should have? We are really looking for someone that will be able to manage our replication, analyzing some of our slower running queries(that the devs can go to for help) and someone that can trace some of the deadlock issues that we are having. Any help would be most appreciated!

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  • How do I tar dot files but not dot directories

    - by bjackfly
    The following tar command will exclude all dot files and dot directories. tar -cvzf /media/bjackfly/bkup/bkup.gz --exclude '.*' --one-file-system /home/bjackfly In my case I want the dot files to be backed up in the home directory (.vimrc, .bashrc) etc. but not the dot directories /.config /.cache /.eclipse etc. Any Linux gurus with a command for this, or do I need to run a find into a tar or do two different tar commands which is non-ideal? One for dot files in the home directory and one for everything else?

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  • Ubuntu 9.10: how do I troubleshoot a startup script that doesn't appear to run?

    - by TheDeeno
    I've created a bash script 'foo'. I've made that script executable with chmod+x and added it the the start-up by running sudo update-rc.d foo defaults 80 Despite that, it doesn't appear to be working at startup. Is there a way to have my script echo messages to a log? Or is there some log that would record events/errors for this? atm, I feel like I'm flying blind and don't really know how to troubleshoot this.

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  • Where is the TFS database?

    - by Blanthor
    I've been using TFS 2010 with no problems. I tried adding a user and I got the following error message. "TF30063: You are not authorized to access <serverName>\DefaultCollection. -The remote server returned an error: (401) Unauthorized." I remoted into the server, <serverName>, and opened the TFS Console. The logs mentioned a connection string: ConnectionString: Data Source=<serverName>\SS2008;Initial Catalog=Tfs_DefaultCollection;Integrated Security=True While remoted in I open SQL Server 2008 Management Studio opening the (local) server with Windows Authentication. It shows the connection to be (local)(SQL Server 9.04.03 - <serverName>\Admin), and there is no Tfs_DefaultCollection database. Can someone tell me what is going on? Was I wrong in connecting to this instance of the database (i.e. Is the log file the wrong place to find the connection string)? Is the database so corrupted that SQL Manager Studio cannot see it anymore, although TFS could? Should I be logging into Management Studio as user SS2008? btw I don't know of any such credentials.

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  • Rendering extension-less files with php creates 404 errors when accessing the directory index

    - by ojcar
    I'm trying to render all files in a directory as php files. These files don't have any extension. I do this by adding the following .htaccess file: SetHandler application/x-httpd-php5 DirectoryIndex index index.php index.html The problem is that I'm getting 404 errors when accessing the index file on a url. For instance http://foo.com/mydir/ will result in a 404 error (in the logs) and a "No input file specified" message in the browser. If I remove the SetHandler line things work correctly for the index file but my other pages do not render as php. PHP 5.2.11 Apache 2.2.14 Linux Any ideas of what I'm doing wrong?

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  • "Catch-All" access log with Apache Virtual Hosts?

    - by pix0r
    I have many virtual hosts set up on a web server, each one having its own error and access log. The relevant lines of httpd.conf are something like this: ErrorLog /var/log/httpd-error.log LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined CustomLog /var/log/httpd-access.log combined NameVirtualHost *:80 <VirtualHost *:80> ServerName myhost.com ServerAlias www.myhost.com DocumentRoot /var/www/myhost.com/htdocs ErrorLog /var/www/myhost.com/log/error.log CustomLog /var/www/myhost.com/log/access.log combined </VirtualHost> # ... many more VirtualHosts Currently, I'm getting some random errors in /var/log/httpd-error.log, but I'm getting nothing in /var/log/httpd-access.log. Is it possible to have ALL accesses and errors duplicated to a shared logfile? Is it possible to do this without adding new entries to every single VirtualHost?

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  • Script to email files content

    - by Tarun
    I have created a shell script that takes backups everyday and emails its execution as successfull or unsuccessfull. Now I want that it send the contents of log file it creates with the mail as well. I have seen how to send file as attachement but I want to send the contents of the file as email message and not the file. Please Help. Its code is like #Email Settings Message_Success="Database Backup generated successfully" Message_Failure="Problem occured while generating Database Backup please verify" Subject="Database Backup Status Mail" Recipients="[email protected]" #Verify Backup Created if [ -f "$Path_Mysql_Dump" ]; then echo "Database Backup Created" >> $Path_Log_File echo "$Message_Success" | mail -s "$Subject" "$Recipients" else echo "Database Backup not created please verify the process will terminate" >> $Path_Log_File echo "$Message_Failure" | mail -s "$Subject" "$Recipients" exit -1 fi

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  • Which would be a better way to load data via ajax

    - by Mike
    I am using google maps and returning html/lat/long from my MySQL database Currently A user picks a business category e.g; "Video Production". an ajax call is sent to a CodeIgniter controller the Controller then queries the db, and returns the following data via JSON Lat/Long of the marker HTML for the popup window this is approximately 34 rows in the database across two tables per business the ajax call receives this data and then plots the marker along with the html onto the map The data that is returned from the controller is one big json object... This is done for all businesses that exist in the Video Production category (currently approx 40 businesses). As you can see, pulling this data for multiple categories (100s of businesses) can get very very taxing on the server. My question is Would it be more beneficial to modify the process flow as such: a user picks a business category e.g; "Video Production". an ajax call is sent to a CodeIgniter controller the controller then queries the database for the location base information lat/long level (used to change marker icon color) This would be a single row per business with several columns the ajax call receives this data and then plots the marker on the map when the user clicks a marker an ajax call is sent to a CodeIgniter Controller the controller queries the database for the HTML and additional data based on business_id and if not, what are some better suggestions to this problem? In summary this means rather than including the HTML and additional data along for each business, only submitting minimal location information and then re-query for that information when each business marker is clicked. Potential Downsides longer load times when a user clicks a marker icon more code?? more queries to the database

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  • Serverlocation move and how can I Move the files

    - by Bernhard
    Hello together, I´ve a big problem. I have to move data from an old Webspace which is only accessibla by ftp. No we have a new root server which is accessible by ssh of course :-) No i Need to move all data from the old space but there is a lot of Gb of files. Is there a way to fetch all files directly from the old ftp to the storage and not over a third station (my local machine)? I´ve tried it with ftp but without success. I think I´ve used the wrong commands. Is there a way to etablish something like this including all files and directorys? Thank you in advance Bernhard

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  • Utility or technique for swapping files quickly in Windows

    - by foraidt
    I frequently need to swap one file with another, without overwriting the original. Let's say there are two files, foo_new.dll and foo.dll. I usually rename them the follwing way: foo.dll - foo_old.dll, foo_new.dll - foo.dll, [do something with replaced file], foo.dll - foo_new.dll, foo_old.dll - foo.dll. This is ok for a single file to swap but it becomes tedious when swapping multiple files at once. Is there a Windows (7 and preferrably XP) utility or a technique that simplifies this task and works well when swapping multiple files? I'd prefer to be able to use it from within FreeCommander but Windows Explorer would be ok, too.

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  • Suggestions for accessing SQL Server from internet

    - by Ian Boyd
    i need to be able to access a customer's SQL Server, and ideally their entire LAN, remotely. They have a firewall/router, but the guy responsible for it is unwilling to open ports for SQL Server, and is unable to support PPTP forwarding. The admin did open VNC, on a non-stanrdard port, but since they have a dynamic IP it is difficult to find them all the time. In the past i have created a VPN connection that connects back to our network. But that didn't work so well, since when i need access i have to ask the computer-phobic users to double-click the icon and press Connect i did try creating a scheduled task that attempts to keep the VPN connection back to our office up at all times by running: >rasdial "vpn to me" But after a few months the VPN connection went insane, and thought it was both, and neither, connected an disconnected; and the vpn connection wouldn't work again until the server was rebooted. Can anyone think of a way where i can access the customer's LAN that doesn't involve opening ports on the router needing to know their external IP customer interaction of any kind Blah blah blah use vpn vnc protocol has known weaknesses you are unwise to lower your defenses it's not wise to expose SQL Server directly to the internet you stole that line from Empire Customer doesn't care about any of that. Customer wants things to work.

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  • Slides and Files from Day of .Net Ann Arbor &lsquo;10

    - by Brian Jackett
    This past Saturday I presented “Real World Deployment of SharePoint 2007 Solutions” at the Ann Arbor Day of .Net conference in Ann Arbor, MI.  Below are my slides and PowerShell demo scripts I used during the presentation.  Thanks to everyone who attended my session, as well as the sponsors, speakers, organizers and all attendees who made this event happen.   Slides and demo scripts

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  • get mysql_real_escape is giving me errors when I try and add security to my website

    - by Mike
    I tried doing this: @ $db = new myConnectDB(); $beerName = mysql_real_escape_string($beerName); $beerID = mysql_real_escape_string($beerID); $brewery = mysql_real_escape_string($brewery); $style = mysql_real_escape_string($style); $userID = mysql_real_escape_string($userID); $abv = mysql_real_escape_string($abv); $ibu = mysql_real_escape_string($ibu); $breweryID = mysql_real_escape_string($breweryID); $icon = mysql_real_escape_string($icon); I get this error: Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Access denied for user

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  • ADSI, SQL, Exchange Server 2010

    - by WernerCD
    Maybe I'm barking up the wrong tree... We have a Domain Controller "DC1". We have Exchange Server 2010 "Postman". Say I have an Address Book: And I add a few contacts to it: How then do I get the data from that contact via ADSI? Say I want the Job Title or CustomerID field that I filled out in the Contacts list? SELECT * FROM OPENQUERY(ADSI, 'SELECT EXTENSIONATTRIBUTE15 ,DISPLAYNAME ,GIVENNAME ,NAME ,SN ,SAMACCOUNTNAME FROM ''LDAP://DC=ATLANTICGENERAL,DC=ORG'' WHERE USERACCOUNTCONTROL=512 AND SAMACCOUNTTYPE=805306368 AND OBJECTCLASS=''PERSON'' AND OBJECTCLASS=''USER'' ORDER BY SAMACCOUNTTYPE ') How can I tie the Contact Card to an Active Directory User, so that I can edit either the AD account information OR the Exchange information and have them synced up?

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  • Adding a KPI to an SQL Server Analysis Services Cube

    Key Performance Indicators, which vary according to the application, are widely used as a measure of the performance of parts of an organisation. Analysis Services makes this KPI data easily available to your cube. All you have to do is to follow Rob Sheldon's simple instructions.

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  • adding custom SSIS transformation to visual studio toolbox fails

    - by ryangaraygay
    Just very recently I encountered an issue in deploying a custom SSIS component assembly which turns out to be a relative "no-brainer" error if only the clues were more straightforward. Basically after deploying the assembly I could not find my component listed in the "SSIS Data Flow Items" tab list.It turns out that the assembly containing the component just had missing or referenced the incorrect assemblies.I have outlined the steps I took that guided me on the right direction on this blog post of mine : adding custom SSIS transformation to visual studio toolbox fails 

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