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• Reporting Services 2008: Virtual directories not visible in IIS7..

  - by Ryan Barrett

  I'm having some problems with Reporting Services on Windows Server 2008 Standard. I've installed server 2008 as a standalone webserver (with roles/features of an web application server). On top of that, I've installed Sql Server 2008 Standard with Reporting Services (and the rest of the BI tools). Problem is, I want to modify the rights on the virtual directories. However, the virtual directories aren't appearing in IIS 7 management tool. I can connect to reporting services, albeit only with the local windows admin account. I can download Report Builder fine from an session on the server (but not from any clients). I've tried removing the default website from IIS, and that stops the reporting services website from working. The machine (a VM) isn't for production use - it's used on a closed network internally for testing and development purposes. I need to be able to let my fellow developers login without a password, and they must be able to install ReportBuilder 2.0. Must not be linked to a domain or active directory in any form. Google isn't much help, the results suggest I modify the virtual directory Does anyone have any suggestions?

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• PDF to HTML - batch converter - most reliable and accurate free AND paid for software?

  - by therobyouknow

  I'm look for either a free or paid-for (about 50$/40pounds) BATCH PDF to HTML converter to convert several PDF files at once. Needs to be able to handle vectored and bitmap images within the file, outputting both as jpegs referenced by the html pages. I've tried iorigsoft paid-for PDF to HTML - problems it seems to hang or just go idle, and the stuff it actually converts have broken links - the wrong name is used for constituent chapters as html. Also tried application from intrapdf.com but this crashes near the beginning of the conversion, consitently. Update: intrapdf works on my Windows XP machine but not on my Windows 7 machine. The only glitch is with the framed index contents html - the graphics in the page do not display in the page in the frame - but if you open the frame only in a new tab then you can see them. That might be a browser glitch in chrome only. This solution is good enough for me - given that I've already spent the money (I had spent before I asked) but I can't accept my own answer as this does not work on Windows 7. Looked at opensource tools but they look equally flakey or use old PDF versions. Need it on Windows 7 32bit home. Thoughts?

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• Can't access my accelerated hard disk from msdos after installing linux on ssd cache

  - by Chibueze Opata

  I mistakenly installed Linux Mint on my ssd (forgot my PC actually came with one), when it detected a ~31GiB disk that it wanted to install to, I was a bit confused since I had brought out 30Gb in my primary disk for it, but I clicked continue. After installation, I tried to boot back into my Windows and it brought out some Intel Raid Disk Utility stuff saying I should disable acceleration on a disk something couldn't be found, I canceled it but whatever I tried, recovery tools, setups etc, I couldn't just access the drive which was apparently using the SSD as cache. Since then I've been stuck. I tried setting the 'raid' flag to the disk from 'gParted', still I couldn't. I tried the diskraid utility from windows recover disk, it said it couldn't detect any raid, diskpart sees the partition but doesn't see the volume, when I remove the raid flag, it sees the volume as one of raw type, and I can't access anything. I can however mount the drive from terminal in Mint and access my files, but I don't have any backup media at the moment so I can do a factory re-install. Please how do I go about solving the issue, precisely I would like to know how to boot into the drive again. Thanks!

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• Thunderbird alerts when expected email does not arrive

  - by user871199

  I am on Ubuntu 12.04 using Thunderbird as email client. Both are up to date in terms of updates. I have bunch of nightly jobs that do the work and send a status mail. It gets tedious if you keep getting same/similar mails every day so I ended up writing a mail filter rule which causes emails to end up in their respective folders automatically. If things are going ok, I really don't need to read emails. Failure emails are sent to different alias - if the job runs. We recently discovered that one of the job had not run for few days as someone accidentally disabled it. In order to avoid such problems in future, I would like to setup thunderbird in such a way that if I don't get email from given address within given duration, it should alert me. My dream solution is to set up frequency - some jobs do run every 4 hours. Is this possible? Can I setup Thunderbird (preferred) or other email client for reminding me when expected email does not show up. Based on comments and answer I received, here are the reasons why I would like to use Thunderbird. We are already using Thunderbird. It has calender support via plugin, so I suppose someone is already watching time to remind us about the event. May be this another type of event. Additional job is one more failure point, may complicate life if it has to monitor multiple hosts. Additional tools - same thing, one more failure point. Thunderbird can be run across all the platforms we are using - Windows and Ubuntu. It sort of becomes platform independent solution.

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• LDAP Authentication woes

  - by Marcelo de Moraes Serpa

  Hello list, I have a local OpenLDAP server with a couple of users. I'm using it for development purposes, here's the ldif: #Top level - the organization dn: dc=site, dc=com dc: site description: My Organization objectClass: dcObject objectClass: organization o: Organization #Top level - manager dn: cn=Manager, dc=site, dc=com objectClass: organizationalRole cn: Manager #Second level - organizational units dn: ou=people, dc=site, dc=com ou: people description: All people in the organization objectClass: organizationalunit dn: ou=groups, dc=site, dc=com ou: groups description: All groups in the organization objectClass: organizationalunit #Third level - people dn: uid=celoserpa, ou=people, dc=site, dc=com objectclass: pilotPerson objectclass: uidObject uid: celoserpa cn: Marcelo de Moraes Serpa sn: de Moraes Serpa userPassword: secret_12345 mail: [email protected] So far, so good. I can bind with "cn=Manager,dc=site,dc=com" and the 12345678 password (the local server password, setup on slapd.conf). However, I would like to bind with any user in under the people OU. In this case, I'd like to bind with: dn: uid=celoserpa, ou=people, dc=site, dc=com userPassword: secret_12345 But I'm getting a "(49) - Invalid Credentials" error everytime. I have tried through CLI tools (such as ldapadd, ldapwhoami, etc) and also ruby/ldap. The bind with these credentials fails with a invalid credentials error. I thought that it could be an ACL issue, however, the ACLs on slapd.conf seem to be right: access to attrs=userPassword by self write by dn.sub="ou=people,dc=site,dc=com" read by anonymous auth access to * by * read I was suspecting that maybe OpenLDAP doesn't compare against userPassword? Or maybe some ACL configuration I am missing that is somehow affecting the read access to userPassword for the specific DN. I'm really lost here, any suggestion appreciated! Cheers, Marcelo.

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• Install self-signed certificate on local server (iis)

  - by ile

  On this page there are instructions on how to create self-signed cert (on apache) and how to install this certificate on server. I found this page (http://www.visualwin.com/SelfSSL/) with instructions on how to create self-signed certificate on windows (iis). I followed instructions and when I type https://myip/myapp (this leads to localhost because I set my router's port forwarding to go to localhost on my pc) this part works. From the first link, the most important part is this: What needs to be installed in IE is actually the Root CA Certificate. In the how-to above, the Root CA Certificate is called ca.crt. Copy this file to the server that is running QuickBooks. The following is for IE6: - Open IE - Tools - Internet Options - Content - Certificates - Trusted Root Certification Authorities Tab - Import, Next, Browse to 'ca.crt' - Next, Next, Finish, Close, OK The part that is missing in second link is that there is no instruction on how to get .crt file, so I tried to get it myself. What I did was following: I opened https://myip/myapp in Firefox and then "This Connection is Untrusted" screen appeared. Then I clicked on "Add Exception" and then below "Certificate Status" I clicked "View". Under the Details tab I clicked on Export and choosed Save as type: "X 509 Certificate (PEM)" and file was saved with .crt extension. Then I opened IE8 and followed above instructions. After opening https://myip/myapp in IE8 I always get warning screen. Does anyone knows what am I doing wrong? Thanks, Ile

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• Need help diagnosing my machine

  - by Tom Collins

  I have something that just slows my computer to a crawl sometimes. Not running anything big. Yesterday all I had running (besides background apps) were Firefox & Windows Explorer and could barely even switch screens. Nothing showing up in the task manager as hogging CPUs. I have all non-essential services stopped (MySQl & MSSQL) unless I need them. I made some restore points not long ago, but they disappeared. This is a development mach with a LOT of apps installed, so I really, really do not want to re-install Windows. So, what I'm looking for are ideas or tools I can use to help diagnose this problem. The only clues I have is this started right after I installed Office 2013 (with Office 2010 still installed as well) installed Visual Studio 2012 (also keeping 2010 as a co-install) and installed MSSQL 2012 (upgrade from 2008, no co-install) Also, computer runs fine in Safe Mode. I've just ran out of ideas of what to check. Any help / suggestions would much appreciated. Thanks P.S. I'm running Win 7 Pro (x64). Office is also 64 bit. Visual Studio & MSSQL are 64 bit if that option was available (not sure).

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• iOrgSoft Video Converter for Mac

  - by terryhao

  [url=http://www.iorgsoft.com/Video-Converter-for-Mac/]video converter for mac[/url] IOrgSoft[url=http://www.iorgsoft.com/Video-Converter-for-Mac/]video converter for mac[/url] is an excellent video converting and editing software for Macintosh users. A built-in powerful video player, trimming, splitter/joiner/merger tools give you everything you need to manage your videos on mac. This mac converter supports many video formats like AVI, MP4, WMV, MPEG-1,2, YouTube(FLV), Limewire, Realplayer(RM,RMVB), Quicktime(MOV), MKV, MOD, TOD, ASF, 3GP, 3G2, AVCHD/M2TS/MTS/TS/TRP/TS, MXF, etc. Video Converter for Mac features a very clean user interface which makes this task a breeze. You can trim/clip any segments and optionally merge/join and sort them to create your personal movie, crop frame size to remove any unwanted area in the frame just like a pair of smart scissors and set the output video parameters such as video resolution, video frame rate, audio codec, video codec and video quality. Converted videos can be imported into imovie/itunes/FCE/FCP/QuickTime Pro or played on iPad, iPod touch, iPod classic, iPod nano, iPhone, iPhone 3GS, Apple TV, PSP, PS3, Creative Zen, iRiver PMP, Archos, mobile phones and other MP4/MP3 players. Video Converter for Mac makes video conversion easy. Free download now and have a try for yourself! [url=http://www.iorgsoft.com/Video-Editor-for-Mac/]Video Editor for Mac[/url] [url=http://www.iorgsoft.com/Mod-Converter/]mod converter[/url] [url=http://www.iorgsoft.com/Mod-Converter-for-Mac/]mod converter for mac[/url]

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• Need help setting up OpenLDAP on OSX Mountain Lion

  - by rjcarr

  I'm trying to get OpenLDAP manually configured on OSX Mountain Lion. I'd prefer to do it manually instead of installing OSX server, but if that's the only option (i.e., OpenLDAP on OSX isn't meant to be used without server) then I'll just install it. I've seen guides that mostly just say to change the password in slapd.conf and then start the server and it should work. However, whenever I try to do anything with the client it tells me this: ldap_bind: Invalid credentials (49) I've tried encrypting the password as well as leaving it plain it doesn't seem to matter. The version is 2.4.28 and I've read as of 2.4 OpenLDAP uses slapd.d directories, but that doesn't seem to be the case in OSX. There was mention of an 'olcRootPW' I should use (instead of 'rootpw' in slapd.conf), but I only found that in a file named slapd.ldif. Anyway, I tried setting a password in there but it didn't make a difference). So ... I'm really confused. Has anyone got OpenLDAP working on OSX Moutain Lion without the server tools?

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• OS X Hard drive recovery

  - by Adam

  I am trying to recover data from a bad Seagate 1TB hard drive in a 2010 iMac. One day the iMac wouldn't boot (stuck at gray screen on startup). I removed the hard drive from the iMac and connected it to a MacBook using a 3.5" HDD to USB adapter. The hard drive wouldn't mount but it did display in Disk Utility that that there were 2 partitions on the disk. I tried to run Disk Warrior and it showed thousands of errors but still wouldn't mount. At this time the hard drive only show one partition in Disk Utility. Next I tried putting the hard drive in a desktop PC and running Spin Rite - which then gave me several division overflow errors (even with running Spin Rite with a newer version of DOS). The SMART status on the drive reports that the drive has had failures and HD Tune referenced the drive had once hit 59 degrees celsius. Disk Utility gives me the following message when running a pair: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files. Overall, the hard drive spins up and sounds OK - there are no clicking noises but the hard drive won't mount and displays as a light gray "Macintosh HD" in disk utility. Any tips or advice on how to recover data on this drive would be GREATLY appreciated! Are there any other tools I can try before calling it quits on this drive? Thank you

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• dnssec zonesigner ignoring out-of-zone data

  - by jordi12100

  I am trying to configure DNSSec with BIND9 on CentOS 6.4 running DirectAdmin control panel. I am using this tutorial to make it work: https://www.dnssec-tools.org/wiki/index.php/Zonesigner But I can't get it work... When I run this command: zonesigner --genkeys jordikroon.nl.db jordikroon.nl.db.signed I get this error: jordikroon.nl.db:17: ignoring out-of-zone data (jordikroon.nl) jordikroon.nl.db:18: ignoring out-of-zone data (jordikroon.nl) jordikroon.nl.db:22: ignoring out-of-zone data (jordikroon.nl) jordikroon.nl.db:29: ignoring out-of-zone data (jordikroon.nl) jordikroon.nl.db:33: ignoring out-of-zone data (jordikroon.nl) zone jordikroon.nl.db/IN: has no NS records zone jordikroon.nl.db/IN: not loaded due to errors. I can't find anything on the web about this error. This is my zone db file: $TTL 14400 @ IN SOA ns1.ghservers.org. hostmaster.jordikroon.nl. ( 2013090703 14400 3600 1209600 86400 ) jordikroon.nl. 14400 IN NS ns1.ghservers.org. jordikroon.nl. 14400 IN NS ns2.ghservers.org. cp 14400 IN A 85.17.32.228 ftp 14400 IN A 85.17.32.228 jordikroon.nl. 14400 IN A 85.17.32.228 localhost 14400 IN A 127.0.0.1 mail 14400 IN A 85.17.32.228 pop 14400 IN A 85.17.32.228 smtp 14400 IN A 85.17.32.228 www 14400 IN A 85.17.32.228 jordikroon.nl. 14400 IN MX 10 mail jordikroon.nl. 14400 IN TXT "v=spf1 a mx ip4:85.17.32.228 ~all" localhost 14400 IN AAAA ::1 How do I have to fix this? All IN keywords are being ignored. Any help is welcome:-)

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• Sun-JRE on CentOS-4.8 RPM error: post-install scriptlet failed, exit status 5

  - by Emyr

  I have a server with CentOS 4.8 installed. The provided is rubbish, but there's only a few months left, and they're busy being sued by Chase bank, so I doubt I can get CentOS 5. I wiped the server clean using Virtuozzo, and found that the default image is VERY empty. I even had to install yum myself. I've reached the point where I want to install TomCat. I downloaded the Sun JRE as a .rpm.bin file, did chmod a+x and ran it. That produced a .rpm file, which I tried installing: [root@host java]# rpm -Uvh jre-6u20-linux-i586.rpm Preparing... ########################################### [100%] 1:jre ########################################### [100%] Unpacking JAR files... rt.jar... jsse.jar... charsets.jar... localedata.jar... plugin.jar... javaws.jar... deploy.jar... error: %post(jre-1.6.0_20-fcs.i586) scriptlet failed, exit status 5 [root@host java]# rpm -qi jre Name : jre Relocations: /usr/java Version : 1.6.0_20 Vendor: Sun Microsystems, Inc. Release : fcs Build Date: Mon Apr 12 19:34:13 2010 Install Date: Thu May 6 06:36:17 2010 Build Host: jdk-lin-1586 Group : Development/Tools Source RPM: jre-1.6.0_20-fcs.src.rpm Size : 50708634 License: Sun Microsystems Binary Code License (BCL) Signature : (none) Packager : Java Software <[email protected]> URL : http://java.sun.com/ Summary : Java(TM) Platform Standard Edition Runtime Environment Description : The Java Platform Standard Edition Runtime Environment (JRE) contains everything necessary to run applets and applications designed for the Java platform. This includes the Java virtual machine, plus the Java platform classes and supporting files. The JRE is freely redistributable, per the terms of the included license. [root@host java]# I couldn't find any results on Google for any parts of that error message, and I have very little experience of rpm (I usually use Debian). Is this a broken package, or am I missing something or some setting?

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• Huge host CPU usage in idle vmware guest. Ubuntu 10.04 host, Vista SP2 guest

  - by themesandmodules

  I'm experiencing huge host CPU usage with an idle vmware guest. Host: Ubuntu 10.04 32-bit 2.6.32-24-generic-pae. (Very new install, i.e 24 hours ago) Hardware is Dell XPS M1530 laptop, 4GB ram. Intel Core II Duo T9300 2.50Ghz The virtualization setting "VT" or something is enabled in my bios. Guest: Completely fresh install of Windows Vista, upgraded to latest SP2 and all windows updates installed. 1024 - 1512MB ram allocated. Absolutely no other software installed on it, apart from VMWare tools. Situation When the guest is doing absolutely nothing, I watch with sysinternals process watch on the guest. This shows that system idle process is between 70 and 99%, usually around 95%. No actual process doing anything. On the host, I watch with top, I get cpu usage of 20% - 80%, usually around 30%. What I have tried Single and Dual processor available to guest - no change. Turn off all peripherals to guest - no network, drives, usb etc - no change. Turn off 3d acceleration for guest - perhaps a small improvement, or no change. Upping allocated ram to guest from 1024MB to 1512MB - no change. Yelling at vmware - no change. I have experienced a similar issue in the past, which was solved by setting the guest to have 1 CPU. This time that hasn't worked.

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• Juniper NetScreen NS-5GT traffic monitoring

  - by blah

  I've done casual research into the subject and am truly dismayed at the lack of compatible tools for such a simple task. Maybe someone can provide assistance. We have a NetScreen NS-5GT in the office. I need to be able to get a glance of current traffic per endpoint -- I think the equivalent of 'get sessions' with byte counts/rates. I don't care about bars, graphs, and reports. Something as simple as a classic software firewall display would be perfect. I can't shell out money on something real like SolarWinds products, so a free solution is essential. I'm willing to do a little work but refuse to program something from scratch. It's not prudent right now for me to install a hub or otherwise mess around physically. There must be something out there I can use, maybe in combination. I don't believe I'm asking too much. Specific answers only please, e.g. monitoring software you know will actually work with this antiquated device. I've read about general approaches to the broader problem dozens of times already.

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• Accidentally mounted a ReiserFS drive as MBR on my windows box - how do I recover?

  - by Ryan

  I had a WD Netcenter with a 160GB drive that kept dropping off the network. I opened up the enclosure and removed the hard drive, connected to a Windows box without knowing the drive used ReiserFS.... When mounting on the Windows box, I chose "MBR" as filesystem. 70GB of data corrupted: 90% of data is word documents, excel spreadsheets, and jpg's - all mission critical. Attempted recovery on Linux box (ubuntu) using TestDisk: I could see the container, but couldn't get anything out – according to TestDisk this was because I chose "none" as filesystem. Attempted recovery using Nucleus Kernel Recovery for windows: 98% of what was recovered is incomplete and/or unusable. I need to know if a way exists to recover or rebuild original ReiserFS MBR, or what tools/techniques might give me the best results in recovering the data. Found a Windows version of TestDisk and I ran it yesterday - here are the results: TestDisk 6.14-WIP, Data Recovery Utility, May 2012 Christophe GRENIER <[email protected]> http://www.cgsecurity.org Disk /dev/sda - 160 GB / 149 GiB - CHS 19457 255 63 The harddisk (160 GB / 149 GiB) seems too small! (< 519 GB / 483 GiB) Check the harddisk size: HD jumpers settings, BIOS detection... The following partitions can't be recovered: Partition Start End Size in sectors > ReiserFS 3.6 62 241 8 19458 0 18 311581568 ReiserFS 3.6 62 248 55 19458 8 2 311581568 ReiserFS 3.6 62 254 37 19458 13 47 311581568 ReiserFS 3.6 63 6 28 19458 20 38 311581568 ReiserFS 3.6 63 13 11 19458 27 21 311581568 ReiserFS 3.6 63 21 43 19458 35 53 311581568 ReiserFS 3.6 63 27 41 19458 41 51 311581568 ReiserFS 3.6 63 37 35 19458 51 45 311581568 ReiserFS 3.6 63 54 20 19458 68 30 311581568 ReiserFS 3.6 63 76 26 19458 90 36 311581568

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• Slow performance on VMWare Linux server after Tomcat install

  - by Loftx

  We have a VMWare ESXi 4.1 server hosting a number of Linux and Windows guests. Recently a new Linux guest was added to this server and seemed to be performing well. Tomcat and some other applications on this server were then installed which seem to have caused the server to run really slowly without any obvious resource issues. Slow performance include: The time taken to bring up the password prompt over ssh takes a few seconds when it was previously instantaneous. The time taken to unzip a zip file which was previously a few seconds now takes around 30 seconds The time taken to compile vmware tools has increased by similar factors Both the VMWare console and monitoring commands don't report any issues with high CPU or memory usage but something is obviously slowing the server down somehow. Does anyone have any ideas what may be causing this issue and how it can be resolved? Thanks, Tom Edit As per your questions I’ve looked at some of the performance indicators on both the VM host and VM guest indicated. Firstly I tried reserving the full amount of memory (3gb) for this VM – no other machines on this server have any memory reservation. The swap in rate and swap out rate for the VM host and guest are now both zero. Balloon memory on the guest is zero and on the host is 3.5gb (total memory on the host is 12gb) The swap rate for the guest is also zero. Swap used by the host is 200mb on average. Compression and decompression rates for the host and guest are zero. Command aborts for the host are zero. Read latency is very low – maximum 10ms average 0.8ms. Write latency is higher – a few spikes to 170ms but mostly around 25ms – is this bad? Queue command latency is zero . Physical disk read latency averages 5ms but often 10ms Physical disk write latency averages 15ms but is often 20ms I hope this helps - let me know if you need any more information.

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• Name resolution not working with ipv6 on centos

  - by jolivier

  I just installed CentOs 6.3 on a server to be installed in a data center, but cannot get name resolution / curl to work. I know this is because of it trying to use ipv6, since ping google.com works, curl -4 google.com works, but not curl google.com. I removed the ipv6 adress from the interface and it does not change anything. This is very problematic since most system tools like yum fail at name resolution currently. Browsers like Firefox work because they might be using another tool for name resolution than the one use by curl. I managed to fix this on workstations by completely disabling ipv6 following tutorials like this one / hardcoding name resolution in /etc/hosts. But since I am here configuring a server which will be later installed in a remote data center, I would like not to mess up, understand what is going on and fix it properly. Besides, I will face the same issue with more servers to come so I would really appreciate your help in understanding this problem and how to solve it. I would be happy to provide more information if needed to help understand what is going on. The current network configuration is a small enterprise network, with a DNS server (let's call it A) configured once a long time ago. dig google.com and dig -4 google.com are both refused by the A DNS. But this is also true for my workstation on which curl is working (and yes they both use the same A DNS server). Indeed this faulty server and my workstation have multiple nameservers in /etc/resolv.conf, and the second one is working fine for both of them, so if I remove A from my resolv.conf everything works fine! Regards, Olivier

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• I need an admin toolset for Windows 2003 and 2008

  - by eugeneK

  i know this is way too general question but anyway. I need few tools, will write down my tasks as sysadmin and if you have any to automate my job i would be glad to hear. I don't mind paying for software needed unless it is way too expensive. First of i backup all files on server at local/office storage. I 7zip all SQL backup files and then move them over network to centralized location and then FTP them from office PC which has no FTP server installed and cannot have one. Backups happen at 4AM at the morning thus i need to set time for compressing and afterward FTPing. Then i FTP all IIS web application as differentiation backup, same goes for VOD movies. Second tool i need is system monitor which will monitor all servers from themselves and from external location for CPU/Memory/Hard disk and other basic failures. This tool should able to execute Website address with parameters which will send me an email with all report on failure. Third tool i need is a way to get all Event Logs from 10 Windows based servers without accessing each any of them manually. If you know any solution, thanks in advance.

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• Mac Mini drive problems but SMART verified: bad hard drive or controller?

  - by Zac Thompson

  I have a 3-year-old Intel Mac Mini at home. About a month ago, it stopped booting from the hard drive (internal, SATA, 80GB). I tried booting from the Install Disc to repair the filesystem but Disk Utility was unable to do so ("invalid node structure"). I was also unable to use the hard drive in the Terminal from the Install Disc nor from an Ubuntu boot CD ("DRDY err"). I could see the contents of some directories, but others would give an error and I would get failures when trying to copy files. At this point I was sure the filesystem was hosed and I'd want to reformat at least. DiskWarrior was able to let me retrieve the data files I was interested in, which are now copied to an external hard drive, but it reported a high number of problems ("speed reduced by disk malfunction" count was over 2000) when in the process of trying to rebuild the directory for the drive. It also would not let me use the rebuilt directory to replace the one on the drive; it claimed the disk errors prevented recovery in this way. Under normal circumstances I would now assume that the drive itself was going bad: DiskWarrior's "disk malfunction" error above is supposed to imply hardware problems. My initial plan was to buy a replacement for the internal 2.5" drive. However: Disk Utility, command-line tools and DiskWarrior had reported all along that the SMART status of the drive was okay/Verified. So I'm now worried that the drive hardware is actually fine, and that the problems were due to a disk controller that has gone "bad" somehow. If this is the case, I'll probably just replace the whole computer. Any advice on how I can tell what is to blame? I don't have a lot of extra hardware sitting around, so I don't have the option of simply dropping the drive in another machine or popping another hard drive inside the Mini.

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• Windows 7 network performance tuning for LAN

  - by Hubert Kario

  I want to tune Windows 7 TCP stack for speed in a LAN environment. Bit of background info: I've got a Citrix XenServer set up with Windows 2008R2, Windows 7 and Debian Lenny with Citrix kernel, Windows machines have Tools installed the iperf server process is running on different host, also Debian Lenny. The servers are otherwise idle, tests were repeated few times to confirm results. While testing with iperf 2008R2 can achieve around 600-700Mbps with no tuning what so ever but I can't find any guide or set of parameters that will make Windows 7 achieve anything over 150Mbps with no change in TCP window size using -w parameter to iperf. I tried using netsh autotuining to disabled, experimental, normal and highlyrestricted - no change. Changing congestionprovider doesn't do anything, just as rss and chimney. Setting all the available settings to same values as on Windows 2008R2 host doesn't help. To summarize: Windows 2008R2 default settings: 600-700Mbps Debian, default settings: 600Mbps Windows 7 default settings: 120Mbps Windows 7 default, iperf -w 65536: 400-500Mbps While the missing 400Mbps in performance I blame on crappy Realtek NIC in the XenServer host (I can do ~980Mbps from my laptop to the iperf server) it doesn't explain why Windows 7 can't achieve good performance without manually tuning window size at the application level. So, how to tune Windows 7?

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• copying an lvm partition to a smaller disk, and renaming volume groups.

  - by dlamblin

  I was trying to shrink a vmdk (VMWare disk image) file to be as small as possible, and found two recommendations. The first is to cat /dev/zero into the fs then delete it, and run VMWare tools' shrink. This works okay. The second is to copy everything into a new vmdk. I went the second route. I did not use dd because I actaully want to use as few blocks as possible, instead of having a block-by-clok copy. Any unlinked files will still have blocks that aren't zeroed out. Secondly the centos image was mostly lvm, except for the boot partition, and my target was going to be 4gb instead of 8gb. I did use dd for the first 40mb to get the boot blocks and partition copied. I then used parted to create an identical primary boot, and smaller primary lvm. Then I used pvcreate on that device sdb2, vgcreate, and lvcreate to create a root and swap. I used mkfs.ext3fs on the root partition and then rsync -av / /2root excluding /proc /sys /2root /dev. So far everything went fine. My problem is that: The result is 2.7 GB while the source was 2.1 GB. This is weird to me. The second vgroup is called VolGroup01, while the original was called VolGroup00. How can I rename the VolGroup01 to VolGroup00 and swap it out after all this?

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• Win 2008 R2 terminal server and redirected printer queue security

  - by Ian

  I have a case where I need a non-priv account to be able to make a modification to the redirected printer. I know, its not advisable but we're not giving them access - changes will be made in code. So, following the docs (http://technet.microsoft.com/en-us/library/ee524015(WS.10).aspx) I modified the default security for new printer queues. This doesnt work though as windows doesn't seem to assign the privs you configure in the printer admin tool to redirected printer queues. As I test I added a non-priv test user to the default security tab in the printer admin tool (control panel - admin tools - printer admin. I assigned it all privs (its a test) and logged the user into the terminal server. The redirected printers duely appeared as usual. However if I open the printer properties - security tab, the user appears in the list of accounts/groups but the options I selected (all privs) are not set. Instead the user special privs box is marked and when I click on 'advanced options' and view them, there is nothing marked. So, something is clearing these options.... the question is, why and how can I convince it not to? Ian

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• Openldap, groups, admin groups, etc

  - by Juan Diego

  We have a samba server as PDC with OpenLDAP. So far everything is working, even windows 7 can log on to the Domain. Here is the tricky part. We have many departments, each department has it's own IT guys, and these IT guy should be able to create users in their department and change any info of the users in their department. My Idea was to create 2 groups for each department, For example: Department1 and Admins Department1. Admins Deparment1 has "write" priviledges for members of group Department dn: ou=People,dc=mydomain,dc=com,dc=ec objectClass: top objectClass: organizationalUnit ou: People dn: cn=Admins,ou=Group,dc=mydomain,dc=com,dc=ec objectClass: groupOfNames objectClass: top cn: Admins dn: cn=Admins Department1,cn=Admins,ou=Group,dc=mydomain,dc=com,dc=ec objectClass: groupOfNames objectClass: top cn: Admins Department1 member: uid=jdc,ou=People,dc=mydomain,dc=com,dc=ec structuralObjectClass: groupOfNames I dont know if you should make Department1 as part of Domain Users dn: cn=Deparment1,cn=Domain Users,ou=Group,dc=mydomain,dc=com,dc=ec objectClass: groupOfNames objectClass: top cn: Deparment1 member: uid=user1,ou=People,dc=mydomain,dc=com,dc=ec Or just create the deparments like this. dn: cn=Deparment1,ou=Group,dc=mydomain,dc=com,dc=ec objectClass: groupOfNames objectClass: top cn: Deparment1 member: uid=user1,ou=People,dc=mydomain,dc=com,dc=ec I seems that when you use smbldap tools bydefault the users are part of Domain Users even if you dont have them as part of Domain Users in the memberUid attribute, when I use finger they showup as part of the Domain Users group. I dont want the Departments Admins to be Domain Admins because they have power over all the users, unless I am mistaken. I also have trouble with the ACLs. I was trying to create an acl for members of this Admins group, I was trying with this search, but didnt work ldapsearch -x "(&(objectClass=organizationalPerson)(member=cn=Admins Department1,ou=Group,dc=mydomain,dc=com,dc=ec))" I am open to suggestions.

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• High latency issue for web service call from amazon aws ec2 to local server

  - by SibzTer

  We have a legacy web application that is running in our data center on premises located in Houston. We have a developed a new .net 4 based web application in order to provide new features to customers. The new web application is hosted in amazon aws ec2 environment (N. Virginia region us-east-1b zone). In order to get seamlessly integrate with the legacy application the new web application makes web service calls to retrieve data. We are seeing an unusually high latency time in the order of 5+ seconds for these web service calls. The exact same web service call returns in less than a second on our local PCs (which makes sense given physical proximity to the actual server). The weird part is that we have developers in California who also have the same milliseconds response time. We are testing the web service response using third party tools such as SoapUI, Google Chrome extensions such as Advanced REST Client, Postman REST Client, etc. As if this wasnt weird enough, we have noticed the same low latency from certain other ec2 instances while testing which are in the same region and availability zone as well. If we experienced the high latency consistently from all the ec2 instances I could understand. But there is something else going on. Comparing the various stats and results between the low latency and high latency ec2 servers do not show any significant differences: ping (constant 40ms), tracert, winmtr, etc. We have instances that are in the VPC as well. So I tried both the public and private IP address of the web service host server and that didnt make a difference either for the above results. We need to resolve this latency issue as this is causing the resulting web pages to load very slowly (almost 15+ seconds which is simply unacceptable). The ec2 instances have Windows Server Datacenter 64 bit. Let me know if there is any other infor I can provide to help diagnose this.

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• XP Client for NFS failure dialog on startup, but drive mapping works

  - by Matt Bennett

  I'm mounting an NFS share to some windows machines using the tools that come in the Services for UNIX Administration toolkit. I've set up the User Name Mapping service to use local passwd and group files. I had to manually start the User Name Mapping service, and then created an 'advanced map' from the XP machine's user to a uid that exists in on my NFS server, like so: Windows User: Matt Bennett UNIX Domain: PCNFS UNIX User: mattbennett UID: 10250 Primary: * I can map a network drive without any issues, and it correctly identifies the UID and GID to use, but when I reboot I get this message: "An error occurred while connecting to the NFS server. Make sure that the Client for NFS service has started. If the problem persists make sure Client for NFS service can communicate with User Name Mapping or PCNFS server." After dismissing the dialog, the machine finishes booting and the network drive is there in My Computer with the title "Disconnected Network Drive", but I can open it I can see the network share without a problem, and then it drops the 'disconnected' from its title. It seems like the services are starting in the wrong order or something, so the first attempt to connect fails but subsequent ones work as expected. There don't seem to be any symptoms apart from the dialog box, but obviously something's not quite right. What have I done wrong? Thanks, Matt.

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