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• Strange 'locate' behavior and icon changing

  - by Luigi Tiburzi

  I'd like to change the icon of a program called Refit with a custom one. This program has various tools and when I try to change those icons all is ok but then I run the following command: $ locate refit.icns and the output is: $ /efi/refind/icons/os_refit.icns The problem is that I don't have any folder called refind and the path simply doesn't exist. I tried it with both: $ ls and $ sudo ls in the /efi directory. So my questions are actually two: how can I change the icon of that program? And why there is this strange behavior with the locate command? I'm on Snow Leopard 10.6.8. Thanks for your help.

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• IIS application pool and UAC

  - by rocku

  Hi, My system is Windows Server 2008 R2 with IIS 7.5. I need to run a site which is allowed to do some administrative tasks. I have created an AD user account and added it to all the required groups. The site's application pool runs with custom identity set to this AD account. This works, however some tasks fail with 'Access is denied'. I have found that it was caused by UAC (with UAC disabled everything works ok). So my question is - is it possible to run an application pool in elevated mode without globally disabling UAC? Possibly just disabling UAC just for this one account.

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• Yum install in chroot directory

  - by pulegium

  I'm trying to install the Base group on a mounted volume. Here's the custom yum.conf that I'm using: [main] cachedir=/var/cache/yum/ debuglevel=2 logfile=/var/log/yum.log exclude=*-debuginfo obsoletes=1 gpgcheck=0 reposdir=/dev/null [base] name=Fedora 13 - i386 baseurl=file:///media/Fedora\ 13\ i386\ DVD/ enabled=1 [updates] name=Fedora 13 - i386 - Updates baseurl=http://mirror.sov.uk.goscomb.net/fedora/linux/updates/13/i386/ enabled=1 When I run # yum -c yum.conf --installroot=/mnt groupinstall Base I would expect yum to install everything under /mnt But it keeps on saying: [...] Package irda-utils-0.9.18-10.fc12.i686 already installed and latest version Package time-1.7-37.fc12.i686 already installed and latest version Package man-pages-3.23-6.fc13.noarch already installed and latest version Package talk-0.17-33.2.4.i686 already installed and latest version Package pam_passwdqc-1.0.5-6.fc13.i686 already installed and latest version [...] I tried rpm --base=/mnt --initdb and then use rpm to install fedora-release (which worked and installed the package under /mnt) But yum keeps on saying that all packages are installed. Any ideas?...

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• Setup kickstart boot for all installation media types (cd and usb-flash)

  - by Cucumber

  I created own custom CentOS iso. I used mkisofs make it. This is part of my isolinux.cfg file: label vesa menu label Install ^RAIDIX system kernel vmlinuz append initrd=initrd.img xdriver=vesa nomodeset text linux ks=cdrom:/isolinux/ks.cfg If I specify parameter ks=cdrom:/isolinux/ks.cfg my iso will boot only from cd or dvd-rom. If I specify parameter ks=hd:<device>:/ks.cfg my iso will boot only from usb-drive. Can I specify ks parameter to boot from both type of installation media?

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• How can I style the command being entered in a bash prompt?

  - by C4H5As

  While watching this intro video to Brunch, at about t=1:30 the command prompt being used has some very cool styles. The part I'm interested in is how the presenter managed to colour the text being entered on the prompt, while it's being entered. It looks like the first argument is coloured green when it becomes a valid executable command & purple when it's invalid. Successive arguments appear white, though it looks like a valid file path gets an underline (see ~ t=2:01). What's the trick here? Is this a custom terminal emulator? Is it some kind of magic $PS1?

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• How to make an excel formula which totals several agecent rows based on cell values

  - by Yishai

  I have an excel sheet with three columns: date, person and percentage. I would like to put in a data validation that flags cells if the total for a given data/person combination do not equal 100%. Is that possible? In other words, in the custom formula of a data validation, I would like to make the following type of formula. =if(sum( cells with a (date = the date on this row, person = person on this row))=1) Is there a function which will return the cells in a range conditioned on certain values, or will sum the cells. Note that if it is not possible to do two cells, I have no issue adding a cell which combines both values for the purpose of effecting the lookup.

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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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• What are the common Control combinations in a terminal setting

  - by Hamish Downer

  I would like to have a good guide to the common Control key combinations in use in bash (and similar) shells and the combinations used by common programs in use in those shells. My particular motivation is to be able to run GNU screen on one computer, ssh to a second computer and use screen and irssi on that computer. So I need to use something other than Ctrl-A to control one of the screen sessions. So I need to know what are Control key combinations are safe to use. But I imagine this list would be useful for others who want to bind custom actions to Control key combinations. I reckon we'd be best to group the Control key combinations by application (eg. bash itself, screen, vim, emacs), to make it easy to spot the applications you use or can ignore. So please one application per answer - hope that works.

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• Building php-devel package from source (php 5.3)

  - by BajaBob

  I am building PHP 5.3 rpm packages for our custom CentOS 5 yum repo. I am fairly new to building rpms to be honest, but I have had moderate success downloading the SRPMS for a given package and repackaging them using "rpmbuild --rebuild" command. One thing that is throwing me off though is how to satisfy the php-devel package.. I obviously have the PHP 5.3 source files as I was able to build my php-common and other packages with it. But I am not sure how to actually build the devel package! From what I understand, I already have most of what I need - the latest php 5.3.5 source tarball. However I am not sure how to build the correct .spec file to satisfy what I need. If you are knowledgeable in this area, would you mind helping a fellow sysadmin out? Sharing a spec file or at least giving me some pointers on how to approach it. Thanks much serverfault community! -BajaBob

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• VoIP Tunnel Implementation for SIP Client

  - by Mahendra

  I am planning to provide an option for tunneling in my SIP client. I have tried to search on web for open-source implementation of this, but couldn't find one. My questions are: 1) If I go writing down my own custom code for implementing the feature - What are the different parameters / cases that I should consider & what should be my approach to start it? 2) Is there any open source implementation for SIP Tunneling already available? Any inputs are appreciated. Thanks.

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• How to install Web Deployment Agent

  - by Jerry

  I am trying to setup the TFS automated deploys. But I keep getting the following error message when running the deploy. It appears that I have a service called "Web Management Service", but the error message says that I need "We Deploy Agent Service". I tried installing Web Deploy 2.0, but the server said that I already had this installed. What can I do to fix this problem? Error Code: ERROR_DESTINATION_NOT_REACHABLE Could not connect to the destination computer ("myServer"). On the destination computer, make sure that Web Deploy is installed and that the required process ("Web Deployment Agent Service") is started. --Update-- Looks like the Web Deployment agent is not installed by default. I had to re-install MSDeploy, select Change or Custom, then add the Web Deploy Agent service. Now the deploy works correctly.

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• DB2 UDF Permissions

  - by WernerCD

  I have a custom function that I'm working on... the problem I'm having is simple: Permssions. example function: drop function circle_area go CREATE FUNCTION circle_area (radius FLOAT) RETURNS FLOAT LANGUAGE SQL BEGIN DECLARE pi FLOAT DEFAULT 3.14; DECLARE area FLOAT; SET area = pi * radius * radius; RETURN area; END GO if I then log out of my "admin" account... and log into test account I get a "Not authorized" error when I try to run something "Select circle_area(foo) from library.bar". I can log into iSeries Navigator, navigate to schema functions permissions and change the permission for public from Exclude to All. bam it works. How do I grant permission to all, either in the CREATE FUNCTION or after?

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• Flexible traffic & bandwidth monitor

  - by BrNathan

  I have looked around, but have not found anything to meet our needs. I need something that can log all connections & bandwidth consumption. We need it for analysis: by protocol, source IP (& MAC if possible), destination, etc. Ideally we are looking for something that can produce custom graphs & also uses mysql. All connections go through one server on a bridged connection (2 network cards) so it is easy to pickup traffic. We are not concerned so much with internal LAN traffic as what passes in & out to the firewall. Thanks for you suggestions. Update: I use Ubuntu 10.04

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• High CPU usage when running a CentOS guest in VirtualBox

  - by sagi

  I am running CentOS 5.3 as a VirtualBox 3.0.0 guest running on Windows XP. The Windows host CPU usage is constantly at 50% although the CentOS guest is completely idle (i.e. 0.00 load average). I know this is a common problem related to the 1000Hz frequency that the CentOS kernel runs at, and previously a special kernel-vm packages were released to resolve the issue. However, these packages are out of date and the README says that they are not not necessary as of CentOS 5.3. I found out that there is supposedly a kernel parameter divider=10 that reduces the frequency to 100Hz with the standard kernel but it doesn't seem to have any effect when running inside VirtualBox. Is there any way to resolve the issue without resorting to a custom kernel?

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• Which PHP accelerator to use with prefork mpm (CentOS and RedHat default httpd settings)

  - by FractalizeR

  Hello. As you know, even if it is possible to start httpd in worker mode under CentOS/RedHat, php in default rpm repo is not thread-safe. And the default configuration for stability is mpm_prefork. So, two questions: Is there PHP accelerator capable of working in mpm_prefork mode (using shm or whatever)? If there is none, what can be done to improve PHP speed on CentOS/RedHat systems (I want to use rpms, preferably from default CentOS repo; building custom PHP from source code is not a good option for me)

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• When Citrix desktop disconnects SAP Client holds session and can't log back in

  - by Stradas

  We have a fairly large Citrix implementation and have just pushed out SAP desktop client to all of the desktops. Everything else is working fine except the following problem: If a user Disconnects their session and the session is running the SAP client, (logging off works fine) the user can not reconnect and log back in. We have a script on the server that terminates the session as a work around. We can see on the server that it is the SAP client that is holding on and running. This is at a large office, but the SAP servers are in another hemisphere. As is the custom Citrix says its SAP and SAP says it is Citrix. I don't like using a powershell script as a substitute for a system configuration solution.

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• Syn_Recievd on port 80 , IIS 7.5

  - by Ashian

  Hi I have a trouble on my windows 2008 server. I host several web site on it. From some days ago, my web sites stop responding on port 80 after a while. In this time I can't access web sites from local machine and from remote. I can also browse websites on other ports ( custom port that I set) I find that I have many Syn_Received status on netstat. And when web sites stop, I got only syn_received on port 80. I have to restart server because when I try to restart IIS , it takes a long time to stop W3SVC and many times it doesn’t stop at all. Would anyone please tell me : - How can I manage Syn Attack ? Thanks

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• Apache SSL Log Incomplete SSL Handshake

  - by Raymond Berg

  Scenario: We're running some experiments in our classroom around trusted connections and SSL, and I want to demonstrate the SSL handshake request on a man-in-the-middle attack. I have an Apache server with a self-signed cert. Everything works fine, but the logging seems incomplete as there is no way to get a list of SSL attempts. Once the client accepts the 'exception', I get normal access log messages for every request. However, I need to know what ssl request caused it to fail. Here are my log directives: LogLevel warn ErrorLog logs/ssl_error_log CustomLog logs/ssl_access_log combined #the combined is your average custom log My desire is a list of every SSL handshake attempted. What am I missing that could produce something like the following? (Obviously the exact words aren't needed, but in the ballpark) 0/0/0 00:00:00 - 192.168.1.10 - hijk.lmnop.edu - SSL Mismatch

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• Configuring Fortigate OS4 for FTPS

  - by Paul

  I configured iis7 ftp to allow ssl connections. I set the ssl firewall to use ports 50000-50050. If I set up a custom service on my fortigate firewall for ftps with source ports 990-50050 and destination ports 990-50050, set it to a firewall policy and connect from a client it connects and works successfully. If I create a service FTPS Control with source port 990 and destination port 990 and another service,FTP Data with source ports 50000-50050 and destination ports 50000-50050 add them to a group FTPSSL, replace the ftps policy with FTPSSL and try connecting it tries to connect to port 990 and eventually times out. Is there a way to configure the service to only use the ports I need and not every port from 990 up?

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• grub-efi refuses to chainload Windows 8.1

  - by Alexei Averchenko

  I have installed LMDE (with grub in MBR) after I installed Windows 8.1. I then installed the grub-efi package and added the custom Windows options: #!/bin/sh exec tail -n +3 $0 menuentry "Windows" { search --fs-uuid --no-floppy --set=root A89A-7F4C chainloader (${root})/EFI/Boot/bkpbootx64.efi } menuentry "Windows (backup bootloader)" { search --fs-uuid --no-floppy --set=root A89A-7F4C chainloader (${root})/EFI/Microsoft/Boot/bkpbootmgfw.efi } These are basically a leftover from my older Ubuntu setup. However, grub is refusing to load them, complaining about the invalid signature. What do I do now?

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• Windows NT workstation on AD domain

  - by Tom

  We run a Windows NT workstation connected to special manufacturing equipment, that everyone is deathly afraid to touch. It has custom software and special cards inside of the machine, making a rebuild impossible. The problem is, we are migrating to an AD domain from an NT domain, and this workstation stills needs access to storage on the network (AD computers). How should I go about doing this, after we get rid of our NT Domain controller? Upgrading to 2000 is not an option (so says management). I know, I know, if it dies we are in trouble. But that's managements choice, we just need to get rid of this NT domain.

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• Auto-Attach EBS-volume to a New Spot Instance?

  - by Jeff

  I am experimenting with EC2 spot instances, and am needing some data to be retained between terminations. Now as I understand it, when the current price goes above my max. bid, it will be automatically terminated. I assume any init scripts I have will be run on shutdown so I can push data off to the EBS before unmounting. My question is, how can I automatically mount the same EBS volume on the new spot instance once the price goes down, since it won't have any of my init scripts that I would've loaded onto the root volume the first time? Do I have to create a custom AMI, or is there some other way to achieve this?

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• Upgrade MySQL on Plesk on Windows

  - by Cyril Gupta

  I just got a nasty surprise when I installed a website in Unicode Hindi (Indian language) on a server, all freshly entered unicode data is turning into question marks on the server. On my dev machine it works perfectly. I found that I have MySQL version 5.0.45 (installed in default by Plesk I guess). On my dev machine i have version 5.1.33. I believe the problem could be due to the version difference. The new version of MySQL apparently has better support for Unicode than the older one. I want to upgrade MySQL on my Windows Server machine with Plesk installed on it I am reluctant to just install the new version using the mysql installer because Plesk maintains some custom settings for mysql and I am afraid the new version could change those settings and break my db. Can anyone tell me do I have to do anything special to install MySQL on plesk on windows or can I just use the new version installer?

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• Multiple Schedule/Task Views (devs, customer, etc) in MS Project (or other)

  - by ThePlatypus

  Is there a way to configure multiple views/filters in MS Project for the same set of tasks? I want to have a view that is configured for customer's only, for example. So, it would have large milestone tasks only, and hide all of the details that are there for the benefit of the team members. If MS Project doesn't do this, is there any project management software that does? A free/open source version would be preferable. Edit: Apparently, "filter" was the word I needed in my Google searches. I found how to mark a task as a Milestone and use the pre-made Milestone filter. However, that still doesn't hide non-Milestone tasks the way I want it to. I haven't figured out how to make a true custom filter.

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• What sort of attack URL is this?

  - by Asker

  I set up a website with my own custom PHP code. It appears that people from places like Ukraine are trying to hack it. They're trying a bunch of odd accesses, seemingly to detect what PHP files I've got. They've discovered that I have PHP files called mail.php and sendmail.php, for instance. They've tried a bunch of GET options like: http://mydomain.com/index.php?do=/user/register/ http://mydomain.com/index.php?app=core&module=global§ion=login http://mydomain.com/index.php?act=Login&CODE=00 I suppose these all pertain to something like LiveJournal? Here's what's odd, and the subject of my question. They're trying this URL: http://mydomain.com?3e3ea140 What kind of website is vulnerable to a 32-bit hex number?

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