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• 613 threads limit on debian

  - by Joel

  When running this program thread-limit.c on my dedicated debian server, the output says that my system can't create more than around 600 threads. I need to create more threads, and fix my system misconfiguration. Here are a few informations about my dedicated server: de801:/# uname -a Linux de801.ispfr.net 2.6.18-028stab085.5 #1 SMP Thu Apr 14 15:06:33 MSD 2011 x86_64 GNU/Linux de801:/# java -version java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) de801:/# ldd $(which java) linux-vdso.so.1 => (0x00007fffbc3fd000) libpthread.so.0 => /lib/libpthread.so.0 (0x00002af013225000) libjli.so => /usr/lib/jvm/java-6-sun-1.6.0.26/jre/bin/../lib/amd64/jli/libjli.so (0x00002af013441000) libdl.so.2 => /lib/libdl.so.2 (0x00002af01354b000) libc.so.6 => /lib/libc.so.6 (0x00002af013750000) /lib64/ld-linux-x86-64.so.2 (0x00002af013008000) de801:/# cat /proc/sys/kernel/threads-max 1589248 de801:/# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 794624 max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 10240 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 128 cpu time (seconds, -t) unlimited max user processes (-u) unlimited virtual memory (kbytes, -v) unlimited file locks (-x) unlimited Here is the output of the C program de801:/test# ./thread-limit Creating threads ... Address of c = 1061520 KB Address of c = 1081300 KB Address of c = 1080904 KB Address of c = 1081168 KB Address of c = 1080508 KB Address of c = 1080640 KB Address of c = 1081432 KB Address of c = 1081036 KB Address of c = 1080772 KB 100 threads so far ... 200 threads so far ... 300 threads so far ... 400 threads so far ... 500 threads so far ... 600 threads so far ... Failed with return code 12 creating thread 637. Any ideas how to fix this please ?

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• Cisco SA520 to Adtran 1234 no DHCP transfer

  - by Grico

  I am trying to set up a Cisco SA520 to run DHCP on my network. I have a vendor provided switch, the Adtran 1234, and it provides DHCP for our phone systems on VLAN 200. I do not have access to the Adtran, but the vendor gave me a IP on port 1 for WAN and said port 2 should be for the "trust" side should go. I did setup a mini lab where, Adtran 1 went to SA520 WAN port, and SA520 trust 1 went to my laptop. Everything worked fine, I could ping and get internet using the DHCP scope I put on the SA520. I then unplugged my computer from SA520 trust 1 and plugged it into Adtran 2. I plugged my computer into Adtran 23 and I dont get DHCP or even a link light. If I restart my machine, I get a brief link and then it dies once the machine boots. I have tried several ports on the Adtran and none seem to work. Different cables as well. However, when I plug a phone into the Adtran, the phone boot immediately and shows link. Thoughts?

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• How to connect to local instance of SQL Server 2008 Express

  - by Billy Logan

  I just installed SQL Server 2008 Express on my windows 7 machine. I previously had 2005 on here and used it just fine with the old SQL Server Management Studio Express. I was able to connect with no problems to my PC-NAME\SQLEXPRESS instance. I uninstalled 2005 and SQL Server Management Studio Express. I then installed SQL Server 2008 Express on my machine and elected to have it install SQL Server Management Studio. Now, when I try to connect to PC-NAME\SQLEXPRESS (with Windows Authentication, like I always did), I get the following message: Cannot connect to PC-NAME\SQLEXPRESS. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476 When I went to the help link it mentions, the help page suggests the following: * Make sure that the SQL Server Browser service is started on the server. * Use the SQL Server Surface Area Configuration tool to enable SQL Server to accept remote connections. For more information about the SQL Server Surface Area Configuration Tool, see Surface Area Configuration for Services and Connections. I did try starting the SQL Server Browser, but don't see that the Surface Area Configuration is installed with this express version. I had seen another user with an almost exact same issue that was missing the database engine on install. If that were the case how could i test for that and where would i go to download that install. Thanks in advance, Billy

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• Cent OS ifcfg configuration for ranges of IP's with different netmask

  - by Aaron Schlegel

  I have 1 set of 30 public IP's with a netmask of 255.255.255.0 and another set of 30 IP's with a netmask of 255.255.255.128. Both sets of IP's also have different gateways. How can I virtually assign the IP's to the machine? I have tried creating ifcfg-eth0:0 ifcfg-eth0:1 ifcfg-eth0:X ect for each IP. Below is my ifcfg file with. I have this for each IP with the correct gateway IP and netmask for each of my 60 IP's. If I do ip addr show it does show all of the 60 addresses with the correct broadcast IP and netmask. However I can only use 30 of my IP's that are from the same netmask. Am I doing this correctly? If the IP's show up with ip addr show does that mean I have correctly assigned them to the machine virtually? I want to check before I blame my hosting company for not routing the IP's correctly. DEVICE="eth0:1" BOOTPROTO="static" DNS1="**.**.**.**" DNS2="**.**.**.**" GATEWAY="2**.**.***.126" HOSTNAME="localhost.localdomain" HWADDR="0*:19:**:**:**:**" IPADDR="2**.*.**.**" IPV6INIT="no" MTU="1500" NETMASK="255.255.255.128" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" Also is there a better way to do this? I have used ifcfg-eth0:0-range1 before to assign a range of IP's from the same netmask. Is it possible to do this with ranges with different netmask? Thanks!

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• Can't connect to a Hyper-V VM from anywhere but the host OS

  - by Elbelcho

  I have an unusual situation on hand where I'm able to connect to a Hyper-V guest VM from the HOST, but not from anywhere but the host. The VM is running WIn2k8R2 and has IIS installed and Remote Desktop enabled. If I browse to the IP from the host OS, the IIS7 page displays. I can also RDP into the guest OS from the host as well as ping. From OFF the host, RDP, web and ping all fail. If I completely shut off the guest VM's firewall, ping will then start to respond, but all RDP and port 80 still don't. The physical host machine has 2 nics installed, but only one is plugged in. The one plugged in has a static IP. I have one Hyper-V virtual network and it's set to external. The guest VM has one NIC with a different static IP than the host, but both are on the same subnet. The host machine is joined to the domain, the guest VM is not. Any sugestions? Thanks so much for any help you may be able to provide!

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• Problem with wireless networking

  - by Rodnower

  Hello, I have atheros wifi hardware, intell chipset, gigabyte laptop and CentOS 5 installed. Now I try to use wireless network and get problems. First of all I want to say that I have 2 OS on my laptop, and when I load Windows XP I still may to access to the wireless network. First I try to get it on Linux was to make active wlan0 interface in: system - administration - network but I get: Determining IP information for wlan0... failed. Second I try also was unsuccessfully: [root 1 network-scripts]# ifup-wireless Error : unrecognised wireless request "off" This relevant output of iwconfig is: Warning: Driver for device wlan0 recommend version 21 of Wireless Extension, but has been compiled with version 20, therefore some driver features may not be available... wlan0 IEEE 802.11 ESSID:"" Mode:Managed Frequency:2.462 GHz Access Point: Not-Associated Tx-Power=27 dBm Retry min limit:7 RTS thr:off Fragment thr=2352 B Encryption key:off Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 {output not in the original format} The same things are happen even if I do: modprobe wlan0 (this not get error) Important to say that modprobe not succeed to find ath_pci, tharefor I decide to download latest version of the madwifi driver from http://madwifi-project.org. I extracted this, but when I make this, this is what I get: [root 1 madwifi-0.9.4]# make /bin/sh: line 0: cd: /lib/modules/2.6.18-164.el5/build: No such file or directory Makefile.inc:66: * /lib/modules/2.6.18-164.el5/build is missing, please set KERNELPATH. Stop. I tried to set KERNELPATH, but I think that it was incorrect: [root 1 madwifi-0.9.4]# make KERNELPATH=/lib/modules/2.6.18-164.el5/kernel/ /bin/sh: cc: command not found Makefile.inc:81: * Cannot detect kernel version - please check compiler and KERNELPATH. Stop. Some one have any ideas? Thank you very much for ahead.

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• SQL Server Express backup/restore error: The Media Family on Device is Incorrectly Formed.

  - by Chris

  Basically, I'm having this issue: http://www.sqlcoffee.com/Troubleshooting047.htm What I'm doing is running a script I found online (http://pastebin.com/3n0ZfybL) to do a full backup, then rar'ing up the file and moving it to my computer. The CRC of the backup file inside the rar is correct on both computers, so there is no problem with data being corrupted when I transfer it. But then I go and try to restore the database on my dev computer here and I get the errors "sql server cannot process this media family" ... "msg 3013". Why is this happening? I'd test out the backup on the server I'm getting it from, but it's a production server. Edit: I was about to say how I wasn't doing anything stupid like trying to restore the database to an earlier version of SQL Server, but apparently I am: From: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86) Mar 29 2009 10:27:29 Copyright (c) 1988-2008 Microsoft Corporation Express Edition on Windows NT 6.0 (Build 6002: Service Pack 2) To: Microsoft SQL Server 2005 - 9.00.3042.00 (Intel X86) Feb 9 2007 22:47:07 Copyright (c) 1988-2005 Microsoft Corporation Express Edition on Windows NT 6.0 (Build 6001: Service Pack 1) Let me get back to this post after I reinstall this.

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• Windows 7 on an EEE PC 901 - Is it a practical change?

  - by Dave

  I am currently running WinXP on my EEE PC 901, and I'm happy to say that it runs really well. But this did not come with out significant manipulation of the OS. Here's the basic steps I took: Install XP Modify registry to install Install bare essential drivers Relocate page file to d:\ (remember, this model has two SSD's, one roughly 3.6gb, and the other roughly 16gb - XP won't run on the bigger drive, only the smaller one) Install remaining drivers skip normal updates, install service pack 2 straight away. modify system registry to place service pack backup folder into new Program Files directory on D drive (where software is being installed). Change My Documents folder to sit on D drive. Install .net framework Install remaining updates and service pack 3 (the hidden backup folders in the c:\Windows directory are deleted after every update as well as the contents of the service pack downloads folder in order to continually free up space). I have also found that Disktrix UltimateDefrag to be brilliant at keeping the system clean and tidy. This is roughly the order I did things in. In this configuration the machine works really well. QUESTION: Can this kind of configuration be implemented with Windows 7 to achieve the same result on this machine? Thanks in advance. Dave.

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• Squid - Active Directory - permissions based on Nodes rather than Groups

  - by Genboy

  Hi, I have squid running on a gateway machine & I am trying to integrate it with Active Directory for authentication & also for giving different browsing permissions for different users. 1) /usr/lib/squid/ldap_auth -b OU=my,DC=company,DC=com -h ldapserver -f sAMAccountName=%s -D "CN=myadmin,OU=Unrestricted Users,OU=my,DC=company,DC=com" -w mypwd 2) /usr/lib/squid/squid_ldap_group -b "OU=my,DC=company,DC=com" -f "(&(sAMAccountName=%u)(memberOf=cn=%g,cn=users,dc=company,dc=com))" -h ldapserver -D "CN=myadmin,OU=Unrestricted Users,OU=my,DC=company,DC=com" -w zxcv Using the first command above, I am able to authenticate users. Using the second command above, I am able to figure out if a user belongs to a particular active directory group. So I should be able to set ACL's based on groups. However, my customer's AD setup is such that he has users arranged in different Nodes. For eg. He has users setup in the following way cn=usr1,ou=Lev1,ou=Users,ou=my,ou=company,ou=com cn=usr2,ou=Lev2,ou=Users,ou=my,ou=company,ou=com cn=usr3,ou=Lev3,ou=Users,ou=my,ou=company,ou=com etc. So, he wants that I have different permissions based on whether a user belongs to Lev1 or Lev2 or Lev3 nodes. Note that these aren't groups, but nodes. Is there a way to do this with squid? My squid is running on a debian machine.

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• How can I do an SELINUX filesystem relabel without rebooting first?

  - by Skaperen

  I can touch the file /.autorelabel and reboot and during the initialization coming back up it will do the SELINUX relabel for me. But I want to do this in a different situation where the system has just been copied to a hard drive image. I can chroot to the originating file tree, or chroot to the just populated device image and run it. I just can't find anything that says what to be run. This image is being made into an AMI on AWS EC2, and contains CentOS 6.3. But the time it takes to relabel is too long (6 minutes or more). I want to move the relabel to the image build where the extra time is not an issue (because it happens once instead of every time an AMI is launched). I can make this relabel be the very last thing just before the filesystem is unmounted for the last time until it becomes an AMI and will launch. I just need to know what to call to do it. I have searched man pages with no luck. I have searched system init scripts but where /.autorelabel is detected, it is unclear what is happening. Documents like http://www.centos.org/docs/5/html/5.2/Deployment_Guide/sec-sel-fsrelabel.html only tell how to do things that still really do the work after a reboot. I need to have the work doing BEFORE the "reboot" (unmount, build AMI, and launch ready to go). The big point is ... yes there will be a reboot ... but I want the relabel work to be done before that so it won't be done every time an AMI is launched (because it takes so long).

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• Unable to connect remotely to Vsftpd server set up on CentOS VirtualBox

  - by ryekayo

  I have set up a Vsftp server using the following instructions provided Here and even went as far as following the commentary at the bottom. But I am unable to connect remotely. When I attempt to use FileZilla or my Ubuntu terminal, I always get: ryan@ryan-Galago-UltraPro:~$ ftp 10.0.x.xx ftp: connect: Connection timed out ftp> I have checked and re-checked iptables conf file and made sure that Port 21 is being Accepted and it is. I have looked this up on the web and decided to try nmap to port scan it and this is what I get for a result: ryan@ryan-Galago-UltraPro:~$ nmap -PN 10.0.xx.xx Starting Nmap 6.40 ( http://nmap.org ) at 2014-08-19 15:01 EDT Nmap scan report for 10.0.xx.xx Host is up. All 1000 scanned ports on 10.0.xx.xx are filtered Nmap done: 1 IP address (1 host up) scanned in 201.38 seconds Is there anything else that I should do or check for? UPDATE: I have tried to ping from the virtual machine to my IP address on Ubuntu and have been successfully able to. I cannot ping to my virtual machine from Ubuntu. I have narrowed this down to possibly being a firewall related issue on Ubuntu's side, but why would I be unable to connect from FileZilla?

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• How can I get the root account to generate an acceptable ssh key?

  - by Jamie

  On an ubuntu machine I did the following: ~$ sudo su - [sudo] password for jamie: root@mydomain:~# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: 12:34:56:78:9a:bc:de:f0:12:34:56:78:9a:bc:de:f0 [email protected] The key's randomart image is: +--[ RSA 2048]----+ | | | | | | | | | | | | | | | | | | +-----------------+ root@mydomain:~# cat /root/.ssh/id_rsa.pub | ssh -p 443 [email protected] 'cat > authorized_keys' [email protected]'s password: root@mydomain:~# ssh -p 443 [email protected] [email protected]'s password: It's asking me for a password. However, using a regular account, the following works: $ cd ; ssh-keygen -t rsa ; cat ~/.ssh/id_rsa.pub | ssh [email protected] 'cat >> ~/.ssh/authorized_keys' $ ssh [email protected] Last login: Thu Oct 24 14:48:41 2013 from 173.45.232.105 [[email protected] ~]$ Which leads me to believe it's not an issue of authorized_keys versus authorized_keys2 or permissions. Why does the 'root' account accessing the remote 'jamie' account not work? The remote machine is CentOS if that's relevant.

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• Windows 7 deployment thru WDS

  - by vn

  Hello, I am deploying new systems on my network and I built my reference computer by installing the OS the manufacturers (Dell and a custom built system from some local business) gave with all drivers, installed all the desired applications. As for the settings part, I'm doing most of it thru GPOs. I want to image my reference computer and deploy it with WDS. i found several links on how to sysprep, but they're all doing it with some differences without explaining them. My questions : How do I manage (into sysprep) the domain join/computer naming part since (from what I understand) WDS manages that? How do I know/determine what I need to setup into my sysprep.xml? Can you sysprep a first time, try and if it fails, do some modifications and try again? I am thinking of doing a basis sysprep, checking what info can be automated and correct that in the answer file. What do I miss if skipping the "audit" mode? I don't plan on re-doing the reference computer... I read that when sysprepping, it resets settings from the reference computer like the computer name, activation/key and such... what setting is sysprep resetting by default that I should be aware of? I must admit I am quite lost about Win7, sysprep, RIS, MDI toolkit, WDS.. I understand the way of doing with XP, but it changed so much with Windows 7! The links I am reading are : http://far2paranoid.wordpress.com/2007/12/05/prep-for-sysprep/ http://blog.brianleejackson.com/sysprep-a-windows-7-machine-%E2%80%93-start-to-finish-v2 http://www.ehow.com/print/how_5392616_sysprep-machine-start-finish-v2.html Thank you VERY much for any answers, they are much appreciated.

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• How install ImageMagic 6.6.2 on Ubuntu 10.04 (lucid)

  - by Svyatoslavik

  How install ImageMagic 6.6.2 on Ubuntu 10.04 (lucid) Problem that lucid have old ImageMagic version(6.5.2) Its very important because me need work with SVG grafics, In my local pc I have ubuntu 11.04 and ImageMagic 6.6.2 and all work fine, In server I have 6.5... and I have problem. Reinstall ubuntu to 11.* this is no solution. I tried change /etc/apt/source.list from ubuntu 10.04 (lucid) to list from ubuntu 11.04 (natty) and update ImageMagic. After this action I have ImageMagic 6.6.2 (I looked phpinfo()) but ImageMagick is not work now. If I try do any action I get error: [error] 8996#0: *19983 FastCGI sent in stderr: "PHP Fatal error: Uncaught exception 'ImagickException' with message 'no decode delegate for this image format `/tmp/magick-XXnYKWKC' @ error/constitute.c/ReadImage/532' How it fix? Or how return to old version imagemagick? Problem if I try install from sources: /tmp/image/ImageMagick-6.7.2-7# ./configure configuring ImageMagick 6.7.2-7 checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking target system type... i686-pc-linux-gnu checking whether build environment is sane... yes checking for a BSD-compatible install... /usr/bin/install -c checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking for style of include used by make... GNU checking for gcc... gcc checking whether the C compiler works... no configure: error: in `/tmp/image/ImageMagick-6.7.2-7': configure: error: C compiler cannot create executables See `config.log' for more details /tmp/image/ImageMagick-6.7.2-7#

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• Toshiba laptop cd drive read causes OS to totally freeze

  - by Fujishiro

  Okay I'll try to write an understandable summary. Forgive me if I'll fail with that attempt though. So. There is a Toshiba Satellite notebook. Got Windows 7 x86 Professional (OEM) installed on it, everything is fine (okay.. somewhat). The problem. If you put an audio or any kind of disc into the drive, something starts to eat the PC. Back then when the owner told me about this, he put an audio disc into the lappy. Winamp caused the IO load, 100%. Tried taskkill, taskkill /T, tried powershell, EVERYTHING. You just can NOT kill winamp or anything which becomes the blocker at that time. Even if you kill almost everything, laptop won't do a clear shutdown. Also I tried to use the force switch at 'shutdown' from cmd, but no use. (So: At these times you can use the laptop, but the blocker/explorer/disc becomes gray as a non-responding app. You can try to kill them, but that won't work, nor you can shutdown the machine). (Also tried using PID, but no use. For the highest IO I used the "select columns" from Task Manager and enabled the IO columns.) My first hunch was the problematic disc, autoplay and it tries to read tries to read (still shouldn't kill the PC). Disabled autoplay, removed winamp. Tried other software, etc. Everything was ok. Few days later the owner tried to put a disc into the machine and it started to reproduce the same symptoms but with a totally different disc. Uhm what to know. Virus is not an option, protected by BitDefender (valid license) and Spybot. Thanks if you have ANY idea about this strange problem. ps.: For now, the owner uses Daemon tools + Blindwrite as an alternative for those apps which wouldnt start without the disc.

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• Can't access server on LAN new Router

  - by RMDan

  Earlier this week my roommates decided to change the router we are using for our home network. On the old router I had no problems accessing a laptop running Mint Linux over the network(SSH, FTP, and Shared Folders). However I am now not able to connect. I have verified the IP address of my Linux machine has not changed and I have no problems connecting to our NAS(WDMYCLOUD). The new router is a D-Link DIR-868L. PuTTY is giving me a Timed Out error(was giving me a EHOSTUNREACH before). Running Windows 8.1 the connecting laptop, but tried connecting using my phone via SSH did not work either. More information: Can ping the Linux machine from the router but not my computer. Pinging 192.168.0.111 with 32 bytes of data: Reply from 192.168.0.102: Destination host unreachable. Reply from 192.168.0.102: Destination host unreachable. Reply from 192.168.0.102: Destination host unreachable. Reply from 192.168.0.102: Destination host unreachable. Ping statistics for 192.168.0.111: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

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• Windows xp mapped drives disconnect from Windows 7 on Peer to Peer network

  - by Kathryn Codo

  I have a 5 user peer to peer network. 2-XP machines, 3- Windows 7 machines and a Windows 7 machine acting as the file server. I have NO issues with the Windows 7 machines staying connected via the mapped drives to the "server". However, once a day the 2 XP machines will not connect to the Windows 7 machine "server" via the mapped drives. I must restart the "server" in order to see the server and access the files via the mapped drives or Explorer. I have tried the persistent : yes command in NET USE, on the XP machines and also setting a static IP address on the "server". I've turned the firewall off on the "server:, no difference so I turned the firewall back on. No interruption occurs with the internet when this happens, just can't see the server. Again, the Windows 7 users are unaffected. I have gone into the advanced network settings on the "server" and added read/write permissions for Everyone as well as the users of the XP machines. I have double checked that we are all on the same WORKGROUP. I'm at a loss. It seems to happen around mid-day and I've not been able to find any activity that is happening at this time (Like someone plugging in a thumbdrive). Any suggestions would be greatly appreciated as my client is running old XP software he no longer has the disks for and needs for his engineering firm.

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• Openfire on EC2 with Jingle

  - by Bjorn Roche

  I would like to run Openfire (or another XMPP server) on EC2. At the moment this is just for testing, so easy setup and configuration are important, as is low cost. At some point, however, if things go well, it will be important to scale this. Ideally, it would be nice to not have to switch software when the scaling happens, but if a switch needs to happen later it certainly can. My requirements are: basic XMPP services, including muc and pubsub. Logins controlled from an external API. Preferably, when a user attempts to connect, the XMPP server checks with the api to see if their username and password are correct, but I can also have the API keep the XMPP server up to date on new users, deleted users, pasword changes and so on. I see Openfire has a "user service" API. Not ideal, but it looks workable. Jingle, including relay and STUN. It's not at all clear to me if the Jingle Nodes plugin takes care of this. I'm a bit confused about what's required to set this up, and I'd rather know in advance than be confused along the way :). eg It seems like STUN servers require more than one IP address. Can Openfire do all this for me, including stun and media relay on a single machine? Is this hard to configure on EC2 with Openfire? What are the basic steps? Would this be easier with something else like, say Tigase? What about database? Should I use amazon's database service, or run a db on the same machine? Would the server be compatible with a service like http://www.siteuptime.com/ Thanks!

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• Windows Server 2003 DHCP not handing out IPs

  - by SnOrfus

  I'm trying to setup a home server (to tinker with) as a domain controller. I've setup the domain and I've installed DHCP and setup a scope without any exclusions (with the default range of 192.168.0.1-254). My client machine is a Windows 7 (RC) machine and it has a connection but can't get an IP address. Even if I try setting the IP to a static 192.168.0.2 and there is still no connectivity. I can ping it from the server, but pinging the server from the client just times out. The only thing between the server and the client is a 24 port switch (D-Link DES-1024D). edit Ok, it turned out that the interfaces were setup backwards in the NAT settings (the internal nic connection was set to public and the external nic connection was set to private). I changed this and all was OK.... sort-of. Problem is now: If I set a static ip on the client (where I am typing this from) all is fine. BUT; when I set it to get it from DHCP, I get a correct IP from the server (192.168.0.2) but there is no internet on the client; but I can still ping the server fine from the client (which makes sense cause I was able to get an IP from it). edit I ended up just removing the Routing and DHCP server roles and just going with ICS for the time being until I get my hands on some better learning tools.

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• glib2 64-bit compile fails on Solaris 10

  - by Aaron

  I'm encountering a problem building glib-2.26.1 on a Solaris 10 box - 64-bit. Goo diligence doesn't turn anything up, but no matter what I do the build fails in the same way. I've tried using the Sun Studio compiler, gcc (SFW) to no avail. When I compile I get the following error: [root@foo glib-2.26.1]$ export CC=/opt/solstudio12.2/bin/cc [root@foo glib-2.26.1]$ export CFLAGS="-m64" ...configure goes normally... [root@foo glib-2.26.1]$ make ...snip... source='gatomic.c' object='gatomic.lo' libtool=yes \ DEPDIR=.deps depmode=none /bin/bash ../depcomp \ /bin/bash ../libtool --tag=CC --mode=compile /opt/solstudio12.2/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.. -I../glib -I../glib -I.. -DG_LOG_DOMAIN=\"GLib\" -DG_DISABLE_CAST_CHECKS -DG_DISABLE_DEPRECATED -DGLIB_COMPILATION -DPCRE_STATIC -DG_DISABLE_SINGLE_INCLUDES -D_REENTRANT -D_PTHREADS -m64 -c -o gatomic.lo gatomic.c libtool: compile: /opt/solstudio12.2/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.. -I../glib -I../glib -I.. -DG_LOG_DOMAIN=\"GLib\" -DG_DISABLE_CAST_CHECKS -DG_DISABLE_DEPRECATED -DGLIB_COMPILATION -DPCRE_STATIC -DG_DISABLE_SINGLE_INCLUDES -D_REENTRANT -D_PTHREADS -m64 -c gatomic.c -KPIC -DPIC -o .libs/gatomic.o "gatomic.c", line 885: warning: no explicit type given "gatomic.c", line 885: syntax error before or at: * "gatomic.c", line 885: warning: old-style declaration or incorrect type for: g_atomic_mutex "gatomic.c", line 906: warning: implicit function declaration: g_mutex_lock "gatomic.c", line 909: warning: implicit function declaration: g_mutex_unlock "gatomic.c", line 1155: warning: implicit function declaration: g_mutex_new "gatomic.c", line 1155: warning: improper pointer/integer combination: op "=" cc: acomp failed for gatomic.c make[4]: *** [gatomic.lo] Error 1 make[4]: Leaving directory `/root/glib-2.26.1/glib' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/root/glib-2.26.1/glib' make[2]: *** [all] Error 2 make[2]: Leaving directory `/root/glib-2.26.1/glib' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/root/glib-2.26.1' make: *** [all] Error 2 Does anyone know where the build might be going wrong? Not sure where else to look here. Thanks.

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• XP CD doesn't offer repair option

  - by SLaks

  I'm fixing an IBM Thinkpad laptop running XP Pro which doesn't boot all the way (It gets past the XP logo boot screen, a movable mouse cursor appears, and it doesn't get any further, even in safe mode) after being bumped a bit. I'd like to do a repair install. I booted it to an XP Pro CD, but the Repair install option (not recovery console) doesn't appear. After pressing F8 to accept the EULA, it says, Loading setupp.ini, then immediately goes to a partition list (it never says Searching for previous installations of Microsoft Windows). If I select the partition, it warns me that there is already a Windows installation in that partition, and that it will be completely obliterated if I continue. (So I know that it does see the contents of the hard disk) I booted the same CD in an XP virtual machine, and it offered to repair the XP installtion in the virtual machine, so the problem isn't with the CD. Does anyone know how make it do a repair install (or have any other ideas to solve the problem?) It might not show up because it's an OEM installation (but not an OEM CD), but that's just a guess.

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• Throttle CPU Usage consumed by Process

  - by Brett Powell

  We run a game-server company where we basically have large amounts of customers sharing a single machine, and are just on their own instance of a Java Process (Minecraft) managed by our Web Control Panels. In the last few game updates released, we have noticed that many of the third-party plugins our customer's use have become poorly written and we are frequently seeing huge CPU increases from certain servers until we manually kill the process. Our Game Panel automatically restarts processes, so killing them is not really an issue. Our problem is that once once of these servers starts consuming 50%+ CPU Usage, it takes atleast 5 minutes to RDP into the machine, locate who it belongs to, shut it down and notify them. Are there any current solutions for Server 2008 which allow for the throttling of CPU usage or worst case, just auto kill a process stuck using that much? As Minecraft is essentially a single-threaded application, we have investigated using Affinity, although with the variations in our Packages and fluctuations in usage, this doesn't work well for us. Some option to throttle the maximum usage a process can use would be perfect, or at least the option to kill a process using that much. Thanks!

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• Windows 7 Media Center PC not displaying MKV files properly

  - by David

  Does anyone know why Windows Media Center wouldn't correctly display a 16x9 video? I just upgraded my home-built HTPC from Vista Ultimate (hey, it was a giveaway) to Windows 7 Ultimate - clean install. After that, I installed the Divx7 beta (to get .MKV support) and AC3filter (so I could HEAR the MKV files). Previously, under Vista Ultimate (32 bit), I had Arcsoft's Total Theater Pro for playing Blu-Rays and MKV decoding under Media Center. Now when I play a 720p 16x9 MKV file, I get some 'letterboxing' - like it's halfway between 4x3 and 16x9 - with the aspect ration looking alightly squished as a result. Here's the wierd part. If I use the Media Center connection software in my XBox 360 - it plays perfectly, filling the 16x9 screen edge-to-edge, just like Vista's WMC software USED to. Of course, beats the network up because the XBox goes to the HTPC, the HTPC goes to my WHS machine to fetch the data, it comes back to the HTPC, gets transcoded and streamed back to the Xbox. I'm running the latest drivers for an NVidia card (as fetched by Windows 7). I have no idea WHY this is because if I play "ordinary" (i.s. SD) Divx files that are 16x9, they play just fine, scaled right up to my screen's edges. It puzzles me as to why the same machine that properly converts the bits for the Xbox can't display/scale them properly for the attached display. Mind you, Windows Media Player exhibits the same symptoms. Ideas?

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• What benchmark tool to use to benchmark hardware for VM server?

  - by Mark0978

  We are setting up a new piece of hardware to virtualize several of our servers on. Choices are RAID 5, RAID 6, and RAID 0+1. We are wanting to benchmark all three before we go live with the machine, but I'm not sure how to test the speed. Since we will be using it to host VMs, what will the actual disk traffic look like? What can I use to see if RAID 6 is too slow? Short of setting up the system with all the VM's on it and running that way, then redoing on all the work, I'm not sure how to test it. It them becomes more of a subjective test than an objective one. I'm worried that RAID6 will have too much overhead, that RAID5 will be to fragile with 3TB drives and I've never worked with 0+1 at all. So in short I'd like to setup the base machine (which will be running Linux) and then test the underlying SW RAID for speed. What kind of tool exists to simulate this kind of load? Barring the lack of a specific tool, how about a generic FS testing tool that will simulate different loads?

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• Symbolic link not allowed or link target not accessible

  - by TK Kocheran

  I can't seem to get a symlink working in my Apache VirtualHost, no matter what I try and I see the following error in the error log: Symbolic link not allowed or link target not accessible: /var/www/carddesigner I can browse the actual symlink from Linux with no problems whatsoever: $ ls -l /var/www | grep "carddesigner" lrwxrwxrwx 1 rfkrocktk rfkrocktk 64 2011-02-28 16:52 carddesigner -> /home/rfkrocktk/Documents/Projects/Work/carddesigner/build/main/ Additionally, I've made sure that the my VirtualHost allows the FollowSymLinks option: /etc/apache2/sites-enabled/000-localhost: <VirtualHost 127.0.0.1:80> ServerAdmin ########## DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Deny from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel debug CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> RewriteEngine On RewriteLog "/var/log/apache2/mod_rewrite.log" RewriteLogLevel 9 </VirtualHost> I can't seem to find any other configuration files that seem to override this and/or prevent symlinks from being loaded. Any ideas? Here are my permissions on the actual referenced files: $ ls -l ~/Documents/Projects/Work/carddesigner/build/main total 12 drwxrwxrwx 5 rfkrocktk rfkrocktk 4096 2011-02-28 16:11 advanced drwxrwxrwx 2 rfkrocktk rfkrocktk 4096 2011-02-28 16:10 core drwxrwxrwx 2 rfkrocktk rfkrocktk 4096 2011-02-28 16:10 simple Seems like the permissions are good to go, right?

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