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• DNS "recursion not available" using a Cisco AnyConnect VPN connection

  - by codeape

  Does anyone have experience with configuring Cisco AnyConnect VPN? We have a problem with client DNS name resolution when connected over VPN. To me, it looks as if the Cisco AnyConnect VPN client intercepts DNS queries from the clients. Can someone confirm that the AnyConnect VPN client in fact does this (intercepts DNS traffic)? Where is this configured on the VPN server? EDIT: Here's how the routing table changes when I connect to the VPN: [~] $ diff -u /tmp/route_normal /tmp/route_vpn --- /tmp/route_normal 2010-01-20 19:23:47.000000000 +0100 +++ /tmp/route_vpn 2010-01-20 19:24:46.000000000 +0100 @@ -1,6 +1,10 @@ Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface +xxx.xxx.xx.xx.i 10.0.0.1 255.255.255.255 UGH 0 0 0 ath0 172.16.53.0 * 255.255.255.0 U 0 0 0 vmnet1 10.0.0.0 * 255.255.255.0 U 0 0 0 ath0 +172.17.20.0 * 255.255.255.0 U 0 0 0 cscotun 0 +192.168.111.0 172.17.20.212 255.255.255.0 UG 0 0 0 cscotun 0 172.16.140.0 * 255.255.255.0 U 0 0 0 vmnet8 +172.16.0.0 172.17.20.212 255.255.0.0 UG 0 0 0 cscotun 0 default 10.0.0.1 0.0.0.0 UG 0 0 0 ath0 EDIT 2: The IT guy has done "something" on the VPN endpoint. Now I get "recursion not available" when doing nslookup. The DNS servers have recursion enabled. So it must be the Cisco VPN DNS interception messing this up. ubuntu@domU-12-31-39-00-ED-14:~$ /opt/cisco/vpn/bin/vpn connect xxx.xxxxxx.xx ... >> Please enter your username and password ... >> notice: Establishing VPN... >> state: Connected >> notice: VPN session established to ... ubuntu@domU-12-31-39-00-ED-14:~$ nslookup www.vg.no ;; Got recursion not available from ..., trying next server ;; Got recursion not available from ..., trying next server ;; Got recursion not available from ..., trying next server ;; Got recursion not available from ..., trying next server Server: 172.16.0.23 Address: 172.16.0.23#53 ** server can't find www.vg.no.compute-1.internal: REFUSED ubuntu@domU-12-31-39-00-ED-14:~$ ping 195.88.55.16 PING 195.88.55.16 (195.88.55.16) 56(84) bytes of data. 64 bytes from 195.88.55.16: icmp_seq=1 ttl=240 time=110 ms 64 bytes from 195.88.55.16: icmp_seq=2 ttl=240 time=111 ms 64 bytes from 195.88.55.16: icmp_seq=3 ttl=240 time=109 ms ^C --- 195.88.55.16 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2017ms rtt min/avg/max/mdev = 109.953/110.379/111.075/0.496 ms

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• Log Location Url Responses of 301 redirects from IIS

  - by James Lawruk

  Is there a way to log 301 redirects returned by IIS with the (1) request Url and the (2) location Url of the response? Something like this: Url, Location /about-us, /about /old-page, /new-page The IIS logs contain the Request Url and the status code (301), but not the location Url of the response. Ideally there would be an additional field in the IIS Log called Location that would be populated when IIS responded with a 301. In my case the source of the redirect could be ISAPI Rewrite Rules, ASP.NET applications, Cold Fusion applications, or IIS itself. Perhaps there is a way to log IIS response data? Thanks for your help.

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• What happens when a consumer switch receives a VLAN-tagged Ethernet frame?

  - by netvope

  Suppose you connect a trunk port from a VLAN capable network switch to a (VLAN incapable) consumer-grade network switch via a direct cable. Now the former switch send the later switch a 802.1Q-tagged Ethernet frame. What should the later switch do? Drop the frame? Forward the frame? Undefined behavior? If the behavior is undefined, what is most probable? Edit: Thank you for your answers. To summarize, the behavior of the consumer switch depends on: How it handles frames with 0x8100 in the EtherType field1 How it handles jumbo frames, or frames with payload larger than 1500 bytes Wikipedia has a nice diagram comparing an untagged and a tagged Ethernet frame: There are reports that some consumer-grade switches pass VLAN-tagged frames just fine. 1 or more precisely, where an EtherType field is expected for non-tagged frames

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• A Firefox extension for scan & upload document?

  - by Ivan Petrushev

  Hello, Do you know such an extension that provides easy document scanning in Firefox? We are building a web site and we want visitors to be able to upload scanned documents to it. The normal procedure for that is: Scan the document via Gimp, Photoshop or some other scanning software. Save the file. Navigate to the upload web page. Find some sort of HTML input type file on that page. Browse and find the saved file. Submit the form. I want an extension or plugin that automatize that process and do everything with 1 click - scan the document with some default settings (for example "grayscale, 300 dpi") creates temporary file, fills the page input field and deletes the temporary file after upload. I tried lots of googling but the term scan in combination with everything web-related gives zillions of virus, malware and port scanners...

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• IIS 7 503 error, application pool stop crash, defdoc.dll could not be loaded due to a configuration

  - by optician

  Hi All, Currently trying to get iis 7 to work, but every time I request a page, the application pool goes into stopped status. In the event log this is what comes back. The Module DLL 'C:\Windows\System32\inetsrv\defdoc.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a x86 processor architecture. The data field contains the error number. I've already re installed iis, any other ideas, I read that someone fixed this by downloading the dll again, but this seems like an odd solution. Thanks. EDIT I have now replaced the file with one I downloaded off the internet, and now it says The Module DLL 'C:\Windows\System32\inetsrv\protsup.dll' could not be loaded due to a configuration problem. I hope I don't have to get 100's of these.

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• Rackmount temperature/humidity control

  - by Evan Plaice

  This may seem like a strange question because it involves a non-traditional approach. What I'm looking for is a standard rackmount cooling/humidity control module. The idea is to build a portable server rack (in a case) that can be deployed to the field but limit the cooling/temperature control requirements to just the case that the server gear is contained in. I understand that the chiller may warm it's surrounding environment so, as an additional approach, it will be possible to have a separate case for the chiller alone. Do these exist? What are they called? Where can I find one?

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• Issue with resetting auto increment from default to big number

  - by Sai Srikanth

  I have a MySQL table naming Invoice for a Inventory Monitoring site, invoice_number is bigint(19) AUTO_INCREMENT field. Currently AUTO_INCREMENT value is 1. Client want it to start the invoice_number from 50000. With the following script reset the ALTER TABLE INVOICES AUTO_INCREMENT = 50000; When I wrote an Insert Script to insert data in SQLDBX, it is putting the invoice_number from 50000. But when i am trying to do insert a record using the application(web application), the invoice_number value is starting from 1. We are making use of Spring-JDBC template to insert data into mysql database.

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• Quick way to convert Excel sheet to XML

  - by nute

  How do you easily convert an excel file into a XML file? When trying to save as an XML File, it complains that the file does not have an XML mapping. Clicking help brings up pretty complicated stuff about XML Mapping file, XLD and some other acronyms. Why is it so complicated? Lately I've realized that tab delimited, CSV and others are prone to formating issues (comas in a field, new lines, quotes, ...). So I think that XML is a better way to process excel data. Please advise. Maybe a freeway tool?

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• Communicator Messages not being saved to Outlook due to Outlook Integration error

  - by Mark Rogers

  For the most part my Office Communicator appears to be configured correctly. I can login to my work account and see the work contact list. Outlook is working perfectly had a weird profile problem initially but that was fixed. Unfortunately, even though I have set the setting that says: Save my instant message conversations in the Outlook Conversation History folder. My conversations have stopped saving to the Outlook Conversation History folder. Also I have a yellow warning message on top of the server icon next to the status field. When I hover or click on the message, it says there is an Outlook Integration Error. The administrator is having trouble figuring out what is causing it. What can cause Outlook Integration Errors in Communicator and how do I go about trouble shooting them?

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• Windows Server 2003 IPSec Tunnel Connected, But Not Working (Possibly NAT/RRAS Related)

  - by Kevinoid

  Configuration I have setup a "raw" IPSec tunnel between a Windows Server 2003 (SBS) machine and a Netgear FVG318 according to the instructions in Microsoft KB816514. The configuration is as follows (using the same conventions as the article): NetA | SBS2003 | FVG318 | NetB 10.0.0.0/24 | 216.x.x.x | 69.y.y.y | 10.0.254.0/24 Both the Main Mode and Quick Mode Security Associations are successfully completed and appear in the IP Security Monitor. I am also able to ping the SBS2003 server on its private address from any computer on NetB. The Problem Any traffic sent from a computer on NetA to NetB, or from SBS2003 to NetB (excluding ICMP Ping responses), is sent out on the public network interface outside the IPSec tunnel (no encryption or header authentication, as if the tunnel were not there). Pings sent from a computer on NetB to a computer on NetA successfully reach computers on NetA, but the responses are silently discarded by SBS2003 (they do not go out in the clear and do not generate any encrypted traffic). Possible Solutions Incorrect Configuration I could have mistyped something, somewhere, or KB816514 could be incorrect in some way. I have tried very hard to eliminate the first option. Have re-created the configuration several times, tried tweaking and adjusting all the settings I could without success (most prevent the SA from being established). NAT/RRAS I have seen multiple posts elsewhere suggesting that this could be due to interaction between NAT and the IPSec filters. Possibly the NetA private addresses get rewritten to 216.x.x.x before being compared with the Quick Mode IPSec filters and don't get tunneled because of the mismatch. In fact, The Cable Guy article from June 2005 "TCP/IP Packet Processing Paths" suggests that this is the case, (see step 2 and 4 of the Transit Traffic path). If this is the case, is there a way to exclude NetA-NetB traffic from NAT? Any thoughts, ideas, suggestions, and/or comments are appreciated. Update (2011-06-26) After failing to solve the problem, I resorted to paid Microsoft support. They were unable to solve the problem. Since then I have implemented a solution based on Linux that is working quite well. I will attempt to evaluate any proposed answers as best I can, but current configurations and time constraints will make this slow...

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• NIC models for HVM guests in Xen 4.0

  - by Jed Daniels

  Is there a list of NIC models that I should use with various HVM guests in Xen 4.0? Is there even a list of possible choices for the model=field? I'm planning on running both Windows and FreeBSD guests on the particular Xen box that I'm configuring now, and ideally I'd like a setting that can work on both of them and get me gigabit speeds without a lot of extra hassle loading special drivers (similar to VMware's e1000 NIC option). Any suggestions? The vif line I'm currently using in my config is: vif = [ 'type=ioemu,bridge=eth0,model=ne2k_pci,script=vif-ovs' ] This works in my Windows XP SP3 VM, but is only recognized as a 10Mbit interface. Changing to model=e1000 or model=i82557b resulted in Windows not being able to find a driver for the NIC.

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• iPhone 3.1 Black Screen

  - by churnd

  Since I've updated my 3G iPhone to 3.1, it will become unresponsive after ~4-5 hours. It looks like it's off, but it's not. None of the buttons do anything that I can see. The only way I can get a screen back is to do a hard reset (Power + Home). Has anyone else had this problem? What can I do to fix it? I've had it 3 happen 3 times already. Very annoying. Apparently, the Discussions forum on Apple.com also shows lots of people are having the same problem. One guy said he did a restore and that fixed it for him, which I haven't tried yet because many others also tried that and it didn't help. A few others have said turning off WIFI fixes it for them, so I'm going to try that today. Another thing I've noticed is that now, when I plug in my iPhone to my Macbook Pro, iTunes 9 does not launch. It used to before the update. ** Further update and possible solution ** I left my iPhone plugged into my Macbook Pro yesterday while at work, and didn't use it much throughout the day. I noticed it didn't lock up once. I suspect this was because it was connected to a power source. I continued to use my iPhone with no problem yesterday and today. Still no lockups as of now. I personally think this was Spotlight and/or Genius "doing it's thing" from a new install. Kinda like an OS upgrade on your Mac... Spotlight has to rebuild itself and those first couple of hours can be kinda sluggish. This would be even more so on the iPhone where processing power is limited, and I'm sure the processor is clocked down a bit while on battery power, which would further amplify the problem. Again, just my guess. My iPhone is working fine now. ** Final Solution ** Update to 3.1.2. Problem solved.

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• Virtual Machine Manager 2012 CPU Average

  - by Grant

  What exactly is the CPU Average field in VMM 2012 showing me? I'm running Server 2008 R2 with VMM 2012. My server has 2x16 core CPUs installed. An example virtual machine has 4 virtual processors, and shows 20% CPU usage. Is that: 20% of the entire system's available CPU power? 20% of 4 of the 32 core's CPU power? 20% of one core's CPU? (in which case it could go as high as 400%) Something else entirely? How can I tell how much of the entire system's CPU power is being used (all 32 cores)? Edit: Well, I can tell for sure it's not 20% of the entire system's CPU power - since the entire server's CPU averages add up to well over 100% right now.

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• Properties!Details (run-time length)

  - by user33666

  When you take clips and turn them into computer playable files, whether .TS or .MOV or .MPG, .MP4, .VOB, etc., do you as the producer actually manually write into some field in a "Details" section of your video editor what the video length is, so that it can be read by the eventual user's video player? Or is this activity performed automatically by the video editor? I'm asking because: when a mouse is passed over a file line item in Windows 7 Shell (Windows Explorer) a little box is displayed where the mouse meets the file line item and provides simple name and size properties, one of which (if it's a media file) is run length. How does that figure get there into the file (later to be read be Windows or OS X)? Thanks for any info.

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• Exposing the ipPhone attribute to Communicator and the OCS address book service

  - by Doug Luxem

  I am in the process of integrating OCS with our Cisco phone system using CUCIMOC. After some fiddling with the phone normalization rules, it appears that I can get PSTN numbers to be dialed though the CUCIMOC interface (yay!). However, during this process I came to realize that the ipPhone attribute in Active Directory does not appear to be exposed to Communicator (and CUCIMOC). What is strange though, is that I can see from the OCS address book service "Invalid_AD_Phone_Numbers.txt" that the attribute is processed by the address book service. My question is, how do I expose the ipPhone field in Office Communicator? Currently, Communicator maps like this - Work = telephoneNumber Mobile = mobile Home = homePhone Attributes such as otherHomePhone, ipPhone, otherMobile, otherTelephone, otherIpPhone are ignored.

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• WHM Cpanel Enable/Install MBstring module

  - by Phil Jackson

  Hi, this is my second post here and only my second day dealing with my own dedicated server. I have no previous experience in this field so please bear with me. I have successfully created a package and linked up my domain yesterday. I am getting an error regarding mb_convert_encoding() wich after doing some reading discover I have to enable or install a module?? Any way, my cpanel is "cPanel 11.25.0-R46156 - WHM 11.25.0 - X 3.9" and after some searching found mainsoftwareModule Installers but cannot find any to do with mbstrings. Could anyone point me in the right direction in what or where I should be looking?? Any help much appreciated, Regards, Phil

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• Create a Windows Image for Deployment

  - by Kiranu

  In my company we have 8 laptops that we use to deploy on the field. These machines get assigned to a user for a certain time and run Windows Vista. All the machines are the same model. After the machine is returned, it is company policy to completely format the machine and go back to a predetermined configuration. Right now, what we do is we use the recovery utility in the laptop (we are a small shop so we use the OEM Windows license that the laptops come with) and manually uninstall and change the configuration in order to bring it to our baseline config. I know that there are ways to create an image that gets copied to the hard drive with a specific configuration and with specific software installed (thats what OEMs do right?). I'm looking for a tool or a tutorial or something that explains as simply as possible how to create such an image. Thanks a lot

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• Why doesn't the People Pane in Outlook 2010 show appointments for individual contacts?

  - by Curtis

  Outlook 2010 will not show appointments in the people pane. Under the activities tab if I go to All Items then eventually the appointments will show, but this takes a seriously long time. If I then click off the tab to look at another field then return to All Items, all the appointments are gone again. I need to be able to: Open a contact and see when that contact has appointments Open an appointment and see which contacts are attached to that appointment It works well from the appointment card to the contact, but has me completely frustrated going from the contact card to find the appontments. I have tried many things but cannot solve this problem. My set up is as follows: Exchange Server Windows 7 Ultimate Indexing enabled Cached exchange mode enabled Help! This is the whole reason I installed Outlook 2010.

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• Cron Tips for not running cron jobs on holidays (the monday of a three day weekend)

  - by Poul

  We have about a one hundred machine set-up with each machine running cron jobs like starting and stopping services and archiving these services' log files at the end of the day to a centralized repository. One headache we have is the three-day weekend (we're closed on holidays). We don't want the services starting up on those days and connecting to our business partner's machines. We currently do this by manually commenting out the most critical jobs and letting a bunch of errors happen all day. Not ideal. Basically if a job has '1-5' set in the day field we want this to mean 'work days' and not Monday to Friday'. We have a database that keeps track of which days are indeed 'work days' So, is it possible to override Cron's day-matching algorithm, or is there some other way to easily set a cron setting to avoid things starting up on a Monday holiday? Thanks!

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• Using LDAP to store customer data

  - by mechcow

  We wish to store some data in 389 Directory Server LDAP that doesn't fit that well into the standard set of schema's that come with the product. Nothing too amazing, things like: when the customer joined are they currently active customer certificate[1] which environment they are using My question is this: should we register with OID and start writing up our own custom schema OR is there a standard schema definition not provided by Directory Server that we can download and use that would fit our needs? Should we munge/hack existing attributes and store the data among there (I'm strongly opposed to this, but would be interested in arguments about why its better than extending)? [1] I know there is a field for this userCertificate but we don't want to use it to authenticate the user for the purposes of binding Using CentOS 5.5 with 389 Directory Server 8.1

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• In MySQL 5.1 InnoDB, does the maximum length of a VARCHAR affect secondary index size?

  - by e_tothe_ipi

  Assuming the data is the same either way, does the maximum length of the VARCHAR affect the space usage of a secondary index? Does InnoDB use fixed length records for indexes? Assume that we're talking about MySQL 5.1, with the InnoDB COMPRESSED table format and that the field in question is defined as a VARCHAR with some length less than or equal to 255 (so that it uses only one byte for the offset). Here is the use case: I have a server with a very large table (several gigabytes). One of the fields is currently VARCHAR(7). We need it a little longer and we are thinking of making it VARCHAR(255), but we are worried that it bloat the index.

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• Windows 2008 R2 CA and auto-enrollment: how to get rid of >100,000 issued certificates?

  - by HopelessN00b

  The basic problem I'm having is that I have 100,000 useless machine certificates cluttering up my CA, and I'd like to delete them, without deleting all certs, or time jumping the server ahead, and invalidating some of the useful certs on there. This came about as a result of accepting a couple defaults with our Enterprise Root CA (2008 R2) and using a GPO to auto-enroll client machines for certificates to allow 802.1x authentication to our corporate wireless network. Turns out that the default Computer (Machine) Certificate Template will happily allow machines to re-enroll instead of directing them to use the certificate they already have. This is creating a number of problems for the guy (me) who was hoping to use the Certificate Authority as more than a log of every time a workstation's been rebooted. (The scroll bar on the side is lying, if you drag it to the bottom, the screen pauses and loads the next few dozen certs.) Does anyone know how to DELETE 100,000 or so time-valid, existing certificates from a Windows Server 2008R2 CA? When I go to delete a certificate now, now, I get an error that it cannot be delete because it's still valid. So, ideally, some way to temporarily bypass that error, as Mark Henderson's provided a way to delete the certificates with a script once that hurdle is cleared. (Revoking them is not an option, as that just moves them to Revoked Certificates, which we need to be able to view, and they can't be deleted from the revoked "folder" either.) Update: I tried the site @MarkHenderson linked, which is promising, and offers much better certificate manageability, buts still doesn't quite get there. The rub in my case seems to be that the certificates are still "time-valid," (not yet expired) so the CA doesn't want to let them be deleted from existence, and this applies to revoked certs as well, so revoking them all and then deleting them won't work either. I've also found this technet blog with my Google-Fu, but unfortunately, they seemed to only have to delete a very large number of certificate requests, not actual certificates. Finally, for now, time jumping the CA forward so the certificates I want to get rid of expire, and therefore can be deleted with the tools at the site Mark linked is not a great option, as would expire a number of valid certificates we use that have to be manually issued. So it's a better option than rebuilding the CA, but not a great one.

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• Severe errors in solr configuration: Error loading class

  - by James Lawruk

  Installed Solr on my Windows XP PC. Tomcat seems to be working fine. Cannot get Solr to work. I noticed the TrieDateField is declared in a file called schema.xml in the SolrHome directory. Any thoughts? The Url http://localhost:8080/solr/ returns: HTTP Status 500 - Severe errors in solr configuration. Check your log files for more detailed information on what may be wrong. If you want solr to continue after configuration errors, change: false in null ------------------------------------------------------------- org.apache.solr.common.SolrException: Unknown fieldtype 'date' specified on field updated Here is an excerpt from the catalina log file: SEVERE: org.apache.solr.common.SolrException: Error loading class 'solr.TrieDateField' at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:273) Caused by: java.lang.ClassNotFoundException: solr.TrieDateField

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• path problem with mod_rewrite, XDebug, PDT, XAMPP and Windows XP

  - by Delirium tremens

  My mod_rewrite turns accounts/create into index.php?folder=accounts&action=create, but pdt ignores it, so when I try to start a PHP Script debug session, I have to type a folder location in the file field and pdt doesn't accept. When PDT auto generates the URL for the PHP Web Page debug session, I go to http://localhost/myframe/index.php?XDEBUG%5FSESSION%5FSTART=ECLIPSE%5FDBGP&KEY=12569067976875, but myframe is in the frameworks folder, so I get a 404 error. When I check a breakpoint, uncheck Auto Generate, add frameworks before myframe in URL, set Start Debug from http://localhost/frameworks/myframe/accounts/create in Advanced and click Debug, the debugger doesn't stop at the breakpoint.

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• How to grow to be global sysadmin of an organization?

  - by user64729

  Bit of a non-technical question but I have seen questions of the career development type on here before so hopefully it is fine. I work for a fast growing but still small organization (~65 employees). I have been their external sysadmin for a while now, looking after hosted Linux servers and infrastructure. In the past 12 months I have been transforming into the internal sysadmin for our office too. I'm currently studying Cisco CCNA to cover the demands of being an internal sysadmin and looking after the office LAN, routers, switches and VPNs. Now they want me to look after the global sysadmin function of the organization as a whole. The organization has 3 offices in total, 2 in the UK and 1 in the US. I work in one of the UK offices. The other offices are primarily Windows desktops with AD domain shops. My office is primarily a Linux shop with a file-server and NFS/NIS (no AD domain for the Windows desktops yet but it's in the works). Each other office has a sysadmin which in theory I am supposed to supervise but in reality each is independent. I have a very competent junior sysadmin working with me who shares the day-to-day tasks and does some of the longer term projects with my supervision. My boss has asked me how to grow from being the external sysadmin to the global sysadmin. I am to ponder this and then report back to him on how to achieve this. My current thoughts are: Management training or professional development - eg. reading books such as "Influencer" and "7 Habits". Also I feel I should take steps to improving communication skills since a senior person is expected to talk and speak out more often. Learn more about Windows and Active Directory - I'm an LPI-certified guy and have a lot of experience in Linux (Ubuntu or desktop, Debian/Ubuntu as server). Since the other offices are mainly Windows-domains it makes sense to skill-up in that area so I can understand what the other admins are talking about. Talk to previous colleagues who have are are in this role already - to try and get the benefit of their experience. Produce an "IT Roadmap" or similar that maps out where we want the organization to be and when, plotted out over the next couple of years with regards to internal and external infrastructure. I have produced a "Security roadmap" already which does cover some of these things. I guess this can summed up as "thinking more strategically"? I'd appreciate comments from anyone who has been through a similar situation, thanks.

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