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  • exchange 2007 - non email users in the GAL

    - by prolix21
    We have a fairly new Exchange 2007 SP2 install with some GAL issues - basically when you browse the GAL from Outlook 2007 there are users listed that are not email users. If you look in Exchange under recipient configuration these users don't exist. They're AD users, but were never configured in Exchange, yet for some reason they show up in the GAL. The GAL seems to update correctly if new users are added or existing accounts are modified. I was wondering if anyone had any insight on this? I have other Exchange 2007 installs that are fine and don't have this issue. This install was completely clean, no migration or anything of that nature.

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  • What could prevent one Amazon EC2 instance from pinging another instance's Private IP?

    - by ks78
    I have multiple Amazon EC2 instances which need to communicate using private IPs. However, so far I've been unable to ping one instance's private IP from another instance. I can ping external addresses, such as their Elastic IPs and other sites (yahoo, google, etc), so it seems there's nothing wrong with the instances' network configuration. Also, they are all in the same zone, so that shouldn't be an issue. Does anyone have any idea what I could be doing wrong? Could this related to the Security Group settings?

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  • Creating reverse DNS entries which resolve [closed]

    - by Tiffany Walker
    Possible Duplicate: Reverse DNS - how to correctly configure for SMTP delivery I ran a DNS check and ended up with the following error: FAIL: Found reverse DNS entries which don't resolves IP-IP-IP-IP.HOST.DOMAIN.TLD ? ??? All IP's reverse DNS entries should resolve back to IP address (MX record's name -> IP -> IP Reverse -> IP). Many mail servers are configured to reject e-mails from IPs with inconsistent reverse DNS configuration. How do I properly configure and it so it goes to an IP?

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  • How to check for the existence of a response header in Nginx rules?

    - by Victor Welling
    Setting up the rewriting rules for the request proved to be quite easy in Nginx. For the response, not so much (at least, not for me). I want to strip the Content-Type header from the response if the Content-Length header of the response isn't set. I have the NginxHttpHeadersMoreModule installed, so that should allow me to remove the header, but I can't seem to find a way to check for the existence of the Content-Length header of the response using a rule in Nginx's configuration. Any suggestions on how to do this would be most appreciated!

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  • Connecting MS SQL using freetds and unixodbc: isql - no default driver specified

    - by Dejan
    I am trying to connect to the MS SQL database using freetds and unixodbc. I have read various guides how to do it, but no one works fine for me. When I try to connect to the database using isql tool, I get the following error: $ isql -v TS username password [IM002][unixODBC][Driver Manager]Data source name not found, and no default driver specified [ISQL]ERROR: Could not SQLConnect Have anybody already successfully established the connection to the MS SQL database using freetds and unixodbc on Ubuntu 12.04? I would really appreciate some help. Below is the procedure I used to configure the freetds and unixodbc. Thanks for your help in advance! Procedure First, I have installed the following packages sudo apt-get unixodbc unixodbc-dev freetds-dev tdsodbc and configured freetds as follows: --- /etc/freetds/freetds.conf --- [TS] host = SERVER port = 1433 tds version = 7.0 client charset = UTF-8 Using tsql tool I can successfully connect to the database by executing tsql -S TS -U username -P password As I need an odbc connection I configured odbcinst.ini as follows: --- /etc/odbcinst.ini --- [FreeTDS] Description = FreeTDS Driver = /usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so Setup = /usr/lib/x86_64-linux-gnu/odbc/libtdsS.so FileUsage = 1 CPTimeout = CPResuse = client charset = utf-8 and odbc.ini as follows: --- /etc/odbc.ini --- [TS] Description = "test" Driver = FreeTDS Servername = SERVER Server = SERVER Port = 1433 Database = DBNAME Trace = No Trying to connect to the database using isql tool with such a configuration results the following error: $ isql -v TS username password [IM002][unixODBC][Driver Manager]Data source name not found, and no default driver specified [ISQL]ERROR: Could not SQLConnect

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  • Logging Timeout'd Request in Apache 2.X

    - by m3rLinEz
    Hello, I am migrating some applications from Apache 1.3 to 2.2. We used to run some tests where attacker opens some HTTP connection to our server, and do nothing. Apache 1.3 would log the following 408 code, for example: 126.1.86.85 - - [01/Dec/2010:06:26:19 +0000] "-" 408 - "-" 0 126.1.86.85 - - [01/Dec/2010:06:26:19 +0000] "-" 408 - "-" 0 But with Apache 2.2, nothing is logged to the log file. I run the same test by using netcat to open the connection: $ nc IP_victim PORT_victim $ nc 10.42.37.3 80 I would like to have Apache 2.2 log the same 408 code to the log file, so that we would know of attempted DoS attack from the outside. Do I need any more configuration in Apache 2 to enable this? I have tried some different configurations such as LogLevel = Debug, Timeout 30, RequestReadTimeout header=10 body=30. Thanks.

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  • What is the best strategy for transforming unicode strings into filenames?

    - by David Cowden
    I have a bunch (thousands) of resources in an RDF/XML file. I am writing a certain subset of the resources to files -- one file for each, and I'm using the resource's title property as the file name. However, the titles are every day article, website, and blog post titles, so they contain characters unsafe for a URI (the necessary step for constructing a valid file path). I know of the Jersey UriBuilder but I can't quite get it to work for my needs as I detailed in a different question on SO. Some possibilities I have considered are: Since each resource should also have an associated URL, I could try to use the name of the file on the server. The down side of this is sometimes people don't name their content logically and I think the title of an article better reflects the content that will be in each text file. Construct a white list of valid characters and parse the string myself defining substitutions for unsafe characters. The downside of this is the result could be just as unreadable as the former solution because presumably the content creators went through a similar process when placing the files on their server. Choose a more generic naming scheme, place the title in the text file along with the other attributes, and tell my boss to live with it. So my question here is, what methods work well for dealing with a scenario where you need to construct file names out of strings with potentially unsafe characters? Is there a solution that better fills out my constraints?

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  • IIS SmtpSVC - Adding remote domains on the fly

    - by Andrej Pintar
    Since I am using SMTPSVC from IIS to send all mail out I have noticed some domains that reject mail regarding LFs and similar SMTP day to day basis problems. So I mostly re route these domains by using smarthosts. Now I aslo read that on IIS7 or most of them when you add a remote domain to domains you must restart SMTPSVC to take effect. I also enabled METABASE editing. So I also hoped that this will help me add remote domains on the fly. But it's not working. Should I use another SMTP: -hmailserver or similar to route DOMAINS by smarthost. We used a smarthost configuration before but ISP smarthost gets a lot on RBL Blacklist so mail comes back. Since DNS MX direct sending is more work because of troublesome domains now I got more work to monitor SMTP logs. Thank you in advance.

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  • Log centralization, display, transport and aggregation at scale v2

    - by Eric DANNIELOU
    This is a duplicate question of Log transport and aggregation at scale and http://stackoverflow.com/questions/1737693/whats-the-best-practice-for-centralised-logging, but the answers might differ now : The softwares described in 2009 may have changed since (for example Octopussy evolved from version 0.9 to 1.0.5). Rsyslog has become the default on most linux distro. Requirements have changed (security, software configuration management, ...). I'd like to ask the following questions : How do you centralize, display and archive system logs? How would you like to do it now if you had to? Most linux distro use rsyslog nowadays, which can provide reliable log transport. But some older unices, network devices and maybe windows box still use old udp rfc-style transport. How did you manage to get reliable transport? Storing logs for a few months can represent a huge amount of disk space. How do you store them? rdbms? Compressed and encrypted text files?

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  • How to install Canon MP610 printer on Ubuntu 12.04 x64

    - by Arkadius
    I installed Ubuntu 12.04 x64. Orginal Canon drivers are only for 32-bit version. How can I install this printer in 64-bit version ? Arkadius HERE IS SOLUTION I looked for solution some time and finally found it. First I try to do it by adding repository like it is written here: http://www.iheartubuntu.com/2012/02/install-canon-printer-for-ubuntu-linux.html BUT it did NOT work. Printer was installed but every print JOB goes somewhere ( probably to /dev/null :) ) Also installing sudo apt-get install ia32-libs did NOT worked (it was already installed) Finally I found solution. NOTE I did NOT use orginal Canon drivers for 32-bit. I also removed drivers from repository: ppa:michael-gruz/canon I found solution almost at the end of this thread: http://ubuntuforums.org/showthread.php?t=1967725&page=10 Most important hint was found in Response #97 "Do NOT install any PPA" I did as follows: Removed all copies of my printer Removed Canon drivers from repository ppa:michael-gruz/canon sudo apt-get remove cnijfilter* Added new repository and installed CUPS for Canon: sudo apt-add-repository ppa:robbiew/cups-bjnp sudo apt-get update sudo apt-get install cups-bjnp Installed Gutenprint: sudo apt-get install printer-driver-gutenprint Restarted CUPS: sudo restart cups Add myself to group lp: sudo usermod -G lp -a your_user_name Added printer usings steps from link above: Don't install any PPA for the drivers. Click the Cog up in the right-hand corner and select Printers. Turn on the printer and make sure it is connected. When the Printers windows appears, click +Add and wait a few minutes. Your printer should appear within the configuration wizard. Mine did and its an Canon MX330. Click the defaults and continue on. Cups should identify your printer. I saw a few other models in the list. I was able to successfully print a test page afterwards. I hope this will also help someone else. Arkadius .

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  • SQL Monitor Alerts in Outlook Without Configuring Email Settings

    - by Fatherjack
    SQL Monitor is a Red Gate tool that I have a long history with and I have worked closely with the development team from a time before it was called SQL Monitor. It is with that history in mind I am a little disappointed in myself that I have only just found out about a pretty cool feature. Out of the box SQL Monitor keeps itself to itself, it busily goes about watching over your servers, noting down when things look suspicious, change drastically or are just out and out wrong. You have to go into the settings and provide email details (SMTP server, account details etc.) before it starts getting at all intrusive with warning and alerts on the condition of your servers. However, it was after installing the most recent version that I was going through the application screen by screen looking for new and interesting changes that I noticed something that had avoided my attention. On the Alerts tab there is an option in the left hand menu. I don’t know how long ago it appeared or why I have never explored it previously but it appears that you can see your Alerts in the format of an RSS feed. Now when you click that link you are taken to a page that is the raw RSS XML – not too interesting but clearly you can use this in an RSS aggregator. Such as Outlook. Note the URL in the newly opened page take it with you into Outlook. For me it is in the form of http://SQLMonitorServerName/Alerts/Inbox/Feed. Again, this is something that I have only recently noticed – Outlook can aggregate RSS feeds. Down below the Inbox, Drafts folders etc, one up from the bottom is RSS Feeds. If you right click that and choose to Add a feed then you can supply the URL for SQL Monitor Alerts: And there you have it, your SQL Monitor Alerts available in Outlook where you can keep an eye on the number of unread items and pick them off at your convenience.

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  • Migrating from Apache2 to Lighttpd creating errors in PHP/mySQL?

    - by Jean-Philippe Murray
    Ok, I've been using basics ubuntu LAMP setups for years now, and I wanted to give lighttpd a try. My LAMP setup run in a virtual machine with scripts running just fine. So I created a new virtual machine, starting with a fresh install of ubuntu and made my setups. On this new VM, lighttpd + php works just fine. (Or at least it seems...) Problem occurs when I take the scripts from my LAMP setup and upload them to the new VM. I'm getting : Warning: mysql_real_escape_string(): Access denied for user 'www-data'@'localhost' (using password: NO) My lighttpd setup is configured as php-cgi but not my apache2 setup. Could this be the source of the problem? I think that scripts would be independent of the server configuration, so I doubt it. Also, I know that my DB connexion informations are good (as I can log in via phpmyadmin perfectly). I'm in the dark here, any pointers ? Thanks,

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  • Apache: Virtual Host and .htacess for URL Rewriting not working

    - by parth
    I have configured a virtual host in my local machine and every thing is working fine. Now I want to use SEO friendly urls. To achieve this I have used the .htaccess file. My virtual host configuration is: <VirtualHost *:80> DocumentRoot "C:/xampp/htdocs/ypp" ServerName ypp.com ServerAlias www.ypp.com ##ErrorLog "logs/dummy-host2.localhost-error.log" ##CustomLog "logs/dummy-host2.localhost-access.log" combined </VirtualHost> and my .htaccess file has: AllowOverride All RewriteEngine On RewriteBase /ypp/ RewriteRule ^/browse$ /browse.php RewriteRule ^/browse/([a-z]+)$ /browse.php?cat=$1 RewriteRule ^/browse/([a-z]+)/([a-z]+)$ /browse.php?cat=$1&subcat=$2 The above .htaccess setting is not working. After that I modified my virtual host setting and it is working. The new virtual host setting is: <VirtualHost *:80> RewriteEngine On RewriteRule ^/browse$ /browse.php RewriteRule ^/browse/([a-z]+)$ /browse.php?cat=$1 RewriteRule ^/browse/([a-z]+)/([a-z]+)$ /browse.php?cat=$1&subcat=$2 ServerAdmin [email protected] DocumentRoot "C:/xampp/htdocs/ypp" ServerName ypp.com ServerAlias www.ypp.com ##ErrorLog "logs/dummy-host2.localhost-error.log" ##CustomLog "logs/dummy-host2.localhost-access.log" combined <Directory "C:/xampp/htdocs/ypp"> AllowOverride All </Directory> </VirtualHost> Please let me know where I am going wrong in the .htacess file for url rewriting. I do not want to use the settings in virtual host, since for every change I have restart apache.

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  • Dell Latitude will not boot after fresh Ubuntu 12.10 installation. Black screen

    - by James
    I have an old dell latitude d610 that I've just installed ubuntu 12.10 onto, and now unfortunately it will not complete booting up. The screen flashes purple but then fades out and dies. I'm fairly sure there is an issue with graphics drivers, as I had to turn on "nomodeset" in the options when installing off a DVD to see the installer, but I'm very new to linux and don't know terribly much at all apart from what I've read on the net. I have been able to hold down shift and bring up GRUB, and entered into recovery mode, and when I enter into the low graphics mode, the xserver log file says it can detect a screen but found none with a useable configuration, then goes on to say a fatal server error has occurred and no screen have been found at all, telling me to check a log file at "/var/log/xorg.0.log" I have no idea how to check this specific log file! Attempting to actually go further than this in low graphics mode and restart the display simply artefacts the screen. It is all very strange and annoying because I did once by random have the machine boot completely for no apparent reason, but upon restarting the issue reoccurred.

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  • Making TMUX use Alt+Num to select window

    - by Oxinabox
    I have been messing with TMUX, and I am liking the configuration abilities. The window list at the bottom makes me think that the same shortcut for changing windows in Irssi, should work in TMUX, but it doesn't. So at the moment, I have to press C-b then a number to get that window open. I am happy having C-b for my normal prefix, (eg for C-b ? for help, C-b : command entry) But it would be cool if I could use both C-b+Numkey and Alt+NumKey for changing tabs. It would be even cooler if it could detect if a window is showing Irssi, and then ignore the Alt+NumKey, so that I can still change between Irssi windows.

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  • Better antivirus for Windows Server 2008 R2 x64 VPS

    - by raja
    I have only one VPS with Windows Server 2008 R2 x64 and want to buy an Antivirus. I tried NOD32 but they do not give less than 5 users in business edition (I have only one server). Kaspersky may be another solution but whether should i go for Internet Security or Anti-virus? I have few website hosted on this server and user have ability to upload .jpg, .gif, .zip files in few of the folders. Apart from above two any other suggestions on Antivirus that works well on above configuration and available for only one user? Thanks

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  • VMWare - persistent "Host memory status" alarm in vSphere

    - by ewwhite
    I have a particular VMWare ESX 4.1 host that has a very persistent "Host memory status" alarm. This is running on an HP ProLiant DL360 G7 server. The HP ILO and System Management agents don't know any errors. If I clear the alarm in the vSphere client, it returns within a day. I've tried reseating DIMMs, however, the error does not indicate a problem with a specific module. There's another host in the cluster with an identical configuration. It's not exhibiting any issues. Any thoughts? This is touched on briefly on other forums (and here) with no clear resolution.

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  • OpenVZ multiple networks on CTs

    - by picca
    I have Hardware Node (HN) which has 2 physical interfaces (eth0, eth1). I'm playing with OpenVZ and want to let my containers (CTs) have access to both of those interfaces. I'm using basic configuration - venet. CTs are fine to access eth0 (public interface). But I can't get CTs to get access to eth1 (private network). I tried: # on HN vzctl set 101 --ipadd 192.168.1.101 --save vzctl enter 101 ping 192.168.1.2 # no response here ifconfig # on CT returns lo (127.0.0.1), venet0 (127.0.0.1), venet0:0 (95.168.xxx.xxx), venet0:1 (192.168.1.101) I believe that the main problem is that all packets flows through eth0 on HN (figured out using tcpdump). So the problem might be in routes on HN. Or is my logic here all wrong? I just need access to both interfaces (networks) on HN from CTs. Nothing complicated.

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  • How to start vim without executing /etc/vimrc?

    - by florin
    On my Linux server at work, the admins did not install cscope, and I installed it from source in my home directory and added it to the $PATH. The trouble is, the /etc/vimrc has a reference to /usr/bin/cscope which does not exist and everytime I start vim, it complains about that and I have to press for that message to go away. It is interesting that if I remove cscope from my $PATH, I don't get that behavior - so it is possible that vim is testing that cscope exists somewhere, and only then executing the cscope configuration - but then it gets it wrong! So my question is: can I set something up in my .vimrc so it does not source the global /etc/vimrc? I don't want to move cscope out of PATH, as I don't want to type the full directory name every time I run it from the command line.

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  • One domain hiding two servers

    - by George DSeas
    For our SaaS web-app we have two identical servers in two geographically separated data centers. FOO_1 is the production server and does real-time (MySQL master-slave) replication to its backup F00_2. We want our users to always go to THEFOO.COM which somehow points to the production server. So even if FOO_1 dies, we can just switch THEFOO.COM to redirect to FOO_2 so the failure is transparent. This switch can be manual or automatic but without failback (if FOO_1 somehow becomes available again). Is there a way to do this with DNS? I am getting stuck with ANAME and CNAMEs configuration. We don't use sub-domains, just straight domains. If not, what are other options? Does it make sense to just have a web server at LOVELY_FOO.COM and just redirect all traffic? I also looked at load balancers but didn't see a solution for across data centers/network providers.

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  • Different block sizes for partition and underlying logical disk on HP Raid Controller (Linux)

    - by Wawrzek
    Following links collected in this thread I started to check blockdev and found the following output indicating different sizes for partition c0d9p1 and the underlying device (c0d9): [root@machine ~]# blockdev --report /dev/cciss/c0d9 RO RA SSZ BSZ StartSec Size Device rw 256 512 4096 0 3906963632 /dev/cciss/c0d9 [root@machine ~]# blockdev --report /dev/cciss/c0d9p1 RO RA SSZ BSZ StartSec Size Device rw 256 512 2048 1 3906959039 /dev/cciss/c0d9p1 We have a lot of small files, so yes the block size is smaller than normal. The device is a logical driver on an HP P410 raid controller, simple disk without any raid - RAID 0 on one disk to be precise. (Please note that above configuration is a feature not a bug). Therefore, I have the following questions. Can the above discrepancy in the block size affect disk performance? Can I control the block size using hpacucli?

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  • links for 2010-05-24

    - by Bob Rhubart
    Andrejus Baranovskis: Oracle OpenWorld 2010 - Developing Large Oracle ADF 11g Applications Oracle ACE Director Andrejus Baranovskis shares a preview of the presentation he will give at Oracle OpenWorld 2010. (tags: oracle otn oracleace oow10) Andy Mulholland: Complicated or complex architecture or solutions "Enterprise architecture, and EAI middleware, is not likely to be the answer to this, instead we should be looking at provisioning through using the granularity of ‘services’ as opposed to the monolithic approach of applications. Actually it’s not one or the other, it’s both used together. The goal is to introduce an abstraction layer between the core processes represented by applications connected together through closed coupled middleware in defined relationship, and the loose coupled environment of services with the flexibility of orchestrations. At least in part the ability of drag and drop tools to produce orchestrations ‘on-demand’ starts the change towards user-driven views on ‘outcomes’ that suit them rather than the computer’s database." Andy Mulholland (tags: enterprisearchitecture architect businessalignment government) @chrismuir: One size doesn't fit all: ADF and WLS JNDI configuration errors Oracle ACE Director Chris Muir shares "Another blog under the theme 'let's document it so we don't get caught out again', which can also be tagged as 'let's document it so others don't get caught out too.'" (tags: oracle otn oracleace adf wls jndi architect)

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  • Qmail does not forward mail to a specific domain

    - by jahufar
    Hi I have a dedicated hosting account with GoDaddy.com. I've pointed my domain's email to work with Google apps. The server has qmail running and it forwards email to all domains just fine except for MY domain (mydomain.com) - it says 550 User xxx not found in mydomain.com I believe it thinks I've hosted email on the server itself (not gmail) and it's trying to validate if [email protected] exists on my server (which is not the case since it's all handled by google apps). How do I make it forward mail to all domains? Thank you :) EDIT: I would only need it forwarding emails if the connection originates from 127.0.0.1 - which I believe is the default way it's configured. So to clarify: I just need a purely forwarded configuration so my PHP scripts have the ability to send email.

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  • All of ESX4 hosts not responding after rebooting vCenter server

    - by hojyokinmo
    Hello I'm constructing 5ESX+a vCenter serv. I'm testing FT on the system. Today vCenter OS (W2008) demanded system reboot. After rebooting vCenter Serv. All of ESX hosts have alert icon. end indicate "not responding" I tried to connect ESX (version 4) hosts to vCenter again. Once they came back normally, but after few seconds ,They turned red again. All of them have ping connection to vCenter serv. There are no red messages in Tusks and events. Two messages are found in Summary of Cluster ·There aren't sufficient resource for HA failover. ·Can't contact primary HA agent. I'm also not able to reset FT configuration because all of VMS aren't accessed from vCenter What should I do?

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  • Unable to connect to the Report Server

    - by pghcpa
    Win/7 Professional SQL Server 2008 R2 Express Reporting Services Configuration Manager When I launch it, shows correct Server Name, but report server instance is blank. When I press FIND I get: "Unable to connect to the Report Server " This is my development workstation, so no IIS installed. Seems to work fine on XP. SSMS works fine - no issues. I tried uninstalling SQL Server completely, rebooting, reinstalling a fresh download. Same result. I've googled every article I can find - nothing. Can anyone point me in the right direction in case you've come across this yourself? Thanks.

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