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  • Daemon process exiting when shell closes

    - by Pace
    I have a script which starts a daemon process and then sleeps for 20 seconds. If I run the script on SLES11 SP1 or RHEL6 then after the script exits the process is still running. If I run the script on SLES11 SP3 or RHEL6.3 then after the script exits the process is no longer running. The process continues to run for the entire 20 second sleep and is killed when the process exits. The script is run via expect so the script's entire shell exits with the process. Obviously if this wasn't a daemon it was starting I wouldn't be surprised. Also, I suspect the problem isn't the OS version as much as it is the difference in the way we've setup the newer servers (no idea what those differences are though, the older servers were set up years ago). During the 20 seconds the process runs if I do a ps I get the following: root 4699 1 0 15:14 pts/2 00:00:00 sudo -u openmq /opt/PacketPortal/openmq/default/bin/imqbrokerd -bgnd -autorestart -silent -port 7676 -Dimq.service.activelist=admin,ssljms -D openmq 4701 4699 0 15:14 pts/2 00:00:00 /bin/sh /opt/PacketPortal/openmq/default/bin/imqbrokerd -bgnd -autorestart -silent -port 7676 -Dimq.service.activelist=admin,ssljms -Dimq.ssl The fact that the parent process of 4699 is 1 seems to suggest to me that the process has been correctly daemonized. However, after the expect script exits both 4699 and 4701 are killed. What could be causing this? UPDATE I've printed the same output on the servers that work. During the 20 second sleep I get: openmq 18652 1 0 15:44 pts/1 00:00:00 /bin/sh /opt/PacketPortal/openmq/default/bin/imqbrokerd -bgnd -autorestart -silent -port 7676 -Dimq.service.activelist=admin,ssljms -Dimq.ssljms.tls.port=7680 openmq 18686 18652 8 15:44 pts/1 00:00:02 /usr/java/latest/bin/java -cp /opt/PacketPortal/openmq/default/bin/../lib/imqbroker.jar:/opt/PacketPortal/openmq/default/bin/../lib/imqutil.jar:/opt/PacketPortal/ope After the 20 second sleep I get: openmq 18652 1 0 15:44 ? 00:00:00 /bin/sh /opt/PacketPortal/openmq/default/bin/imqbrokerd -bgnd -autorestart -silent -port 7676 -Dimq.service.activelist=admin,ssljms -Dimq.ssljms.tls.port=7680 openmq 18686 18652 5 15:44 ? 00:00:02 /usr/java/latest/bin/java -cp /opt/PacketPortal/openmq/default/bin/../lib/imqbroker.jar:/opt/PacketPortal/openmq/default/bin/../lib/imqutil.jar:/opt/PacketPortal/ope After the script exits it disconnects the controlling terminal. I wonder why it doesn't do that on the newer servers. UPDATE Here is the section of the script that actually launches OpenMQ. The -bgnd flag is what is supposed to daemonize it. sudo -u openmq $IMQ_HOME/bin/$EXECUTABLE -bgnd $BROKER_OPTIONS $ARGS > /dev/null 2>&1 &

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  • Windows 8 Unable to perform hibernate

    - by Jones
    Windows 8 Enterprise edition x86. Already enabled hibernate option, to have it on shutdown menu (start menu?) and set to hibernate on lid closing. However it's not hibernating for me. When I'm trying to sleep, it's sleep fine and wake up like a kid. But when I'm demanding hibernate, it disconnects internet, turn off screen and be back to lock screen in one second. Steps I've tried. Complete shutdown Clear hiberfile.sys by disabling and enabling back Resetting my power settings. Causes I suspect: Had dual boot with BackTrack with Windows 8 GUI boot manager. It was fine until I reinstall BackTrack, bootmgr resetted and I'm in Ubuntu boot menu;. Using additional hard disk through USB cable.(But it's not a problem before few days, however) How to make my system to hibernate and wakeup again.

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  • Grub Solaris FreeBSD dual boot

    - by pallavt
    I have solaris 10 installed on the first hard disk and freebsd installed on the second hard disk I edited the /boot/grub/menu.lst from solaris to the following title FreeBSD root (hd1,0) kernel /boot/loader Now when I try to boot into freebsd via the grub, it gives the following error root (hd1,0) Filesystem type unknown, partition type 0xee kernel /boot/loader Error 17: cannot mount selected partition

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  • Problem with USB drivers (Windows-XP)

    - by Carl
    I obtained the drivers from the manufacturer for my HT-Link NEC USB 2.0 2-port Cardbus card. When I plugged in the card before I got the drivers, 3 new entries showed up in the Device Manager - two "NEC PCI to USB Open Host Controller" and one "Standard Enhanced PCI to USB Host controller." With the card plugged in, I uninstalled those two drivers. I then removed the card. I copied the new drivers to c:\windows\system32\drivers and the .inf file to c:\windows\inf. I also copied the drivers & inf to a new directory called c:\windows\drivers\ousb2. I reinserted the card. Windows automatically installed the same drivers as before. I selected 'update driver' on the "NEC PCI to USB..." entry and didn't see any other options. I then selected 'have disk' and pointed to c:\windows\drivers\ousb2 and got a message "The specified location does not contain information about your hardware." I then selected 'update driver' on the "Standard Enhanced PCI to USB...," and manually selected "USB 2.0 Enhanced Host Controller" (OWC 4/15/2003 2.1.3.1). Windows then automatically found a USB root hub, and I manually selected "USB 2.0 Root Hub Device" (OWC 4/15/2003 2.1.3.1). Now there are two sections in the Device Manager titled "Universal Serial Bus controllers." I plugged in my external USB hard disk adapter, and "USB Mass Storage Device" was added to the first set. Here's how it looks (w/drivers from the properties): [Universal Serial Bus controllers] Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD (6/1/2002 5.1.2600.0) Intel(R) 82801DB/DBM USB Universal Host Controller - 24C2 (7/1/2001 5.1.2600.5512) Intel(R) 82801DB/DBM USB Universal Host Controller - 24C4 (7/1/2001 5.1.2600.5512) Intel(R) 82801DB/DBM USB Universal Host Controller - 24C7 (7/1/2001 5.1.2600.5512) NEC PCI to USB Open Host Controller (7/1/2001 5.1.2600.5512) NEC PCI to USB Open Host Controller (7/1/2001 5.1.2600.5512) USB Mass Storage Device USB Root Hub (7/1/2001 5.1.2600.5512) (5 more USB Root Hubs - same driver) [Universal Serial Bus controllers] USB 2.0 Enhanced Host Controller (OWC 4/15/2003 2.1.3.1) USB 2.0 Root Hub Device (OWC 4/15/2003 2.1.3.1) When I unplug the card the two "NEC PCI to USB..." entries in the first set disappear, and the whole second set disappears. (I unplugged the hard disk adapter first...) The hard disk adapter still doesn't work in that Cardbus card with the new drivers. I don't think the above looks right - a second set of USB controllers listed in the Device Manager, and the NEC entries still in the first set, and the the USB mass storage device still in the first set. Any help appreciated. (Windows XP PRO SP3 w/all current updates.)

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  • Virtual Hard Drive not booting - VMWare

    - by Chloraphil
    I have a .vmdk (VMWare hard disk) file that I cannot use as the lone disk in a new virtual machine. If I attach it to an existing virtual machine then it works fine. It has Windows Server 2003 on it. When I attempt to boot the new VM it attempts a network boot. EDIT: VMWare Workstation 6.5 I could not find a PXE option in the settings, and I did look in the VM config file for "PXE" but did not find one.

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  • Why does writing a file to an NFS share send a COMMIT operation to the NFS server?

    - by Antonis Christofides
    I have a Debian squeeze (2.6.32-5-amd64) which is at the same time a NFS4 server and client (it mounts itself through NFS4). The local directory that leads directly to disk is /nfs4exports/mydir, whereas /nfs4mounts/mydir is the same thing mounted through NFS, using the machine's external IP address. Here is the line from fstab: 192.168.1.75:/mydir /nfs4mounts/mydir nfs4 soft 0 0 I have an application that writes many small files. If I write directly to /nfs4exports/mydir, it writes thousands of files per second; but if I write to /nfs4mounts/mydir, it writes 4 files per second or so. I can greatly increase speed if I add async to /etc/exports. (Writing a single large file to the NFS-mounted directory goes at more than 100 MB/s.) I examine the server statistics and I see that whenever a file is written, it is "committed" (this also happens with NFSv3): root@debianvboxtest:~# mount -t nfs4 192.168.1.75:/mydir /mnt root@debianvboxtest:~# nfsstat|grep -A 2 'nfs v4 operations' Server nfs v4 operations: op0-unused op1-unused op2-future access close commit 0 0% 0 0% 0 0% 10 4% 1 0% 1 0% root@debianvboxtest:~# echo 'hello' >/mnt/test1056 root@debianvboxtest:~# nfsstat|grep -A 2 'nfs v4 operations' Server nfs v4 operations: op0-unused op1-unused op2-future access close commit 0 0% 0 0% 0 0% 11 4% 2 0% 2 0% Now in the RFC, I read this: The COMMIT operation is similar in operation and semantics to the POSIX fsync(2) system call that synchronizes a file's state with the disk (file data and metadata is flushed to disk or stable storage). COMMIT performs the same operation for a client, flushing any unsynchronized data and metadata on the server to the server's disk or stable storage for the specified file. I don't understand why the client commits. I don't think that the "echo" shell built-in command runs fsync; if echo wrote to a local file and then the machine went down, the file might be lost. In contrast, the NFS client appears to be sending a COMMIT upon completion of the echo. Why? I am reluctant to use the async NFS server option, because it would apparently ignore COMMIT. I feel as if I had a local filesystem and I had to choose between syncing every file upon close and ignoring fsync altogether. What have I understood wrong?

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  • HP Probook 6550b has issues with an external monitor

    - by chama
    I recently got a new HP Probook 6550b laptop for work. However, very often, when left alone (not put to sleep), the built in display will go dark. Not only that, but whenever I plug in an external monitor, the display will blank out as well. Sometimes after this happens, putting the laptop to sleep and then waking it up solves the problem. But only sometimes and only for a short time. The next time I plug in my monitor, it happens again. I know this isn't only my problem - 6 other people got the same laptop as I have at the same time, and we're all having such issues. Any suggestions as to the root of this problem and a way to fix it? It's driving me crazy!

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  • How to create dynamic volume in stripe configuration, aligned to 1024?

    - by GregC
    I am trying to create a software stripe setup with two physical disks (underneath they are 128K stripe, RAID5 for each). I've read that one can use diskpart, but I am unable to come up with a command that works. This is on Server 2k3 SP2. I was trying create volume stripe disk=2,3 align=1024 Diskpart errors out: The arguments you specified for this command are not valid. P.S. Tried successfully with a basic disk and a primary partition. Please reply, -Greg

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  • Get Used rather than Provisioned space in PowerCLI

    - by Matt
    I'm trying to run a capacity report, and when I run the Get-HardDisk cmdlet in PowerCLI, the value it returns for CapacityKB is the Provisioned space. For example, let's say I've thin provisioned a 200GB disk, which is currently using say 30GB, it returns the 200GB value. Is there any way I can get the other value? I need to know how much disk space is actually being used on the LUN by the vmdk file. My PowerCLI version is 5.0.1.

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  • Ubuntu Linux Utilities

    - by Wayne
    I've never used Ubuntu Linux before, but I am researching about the main system tools that are included, e.g. Windows has Disk Cleanup, Disk Defrag... but what does Ubuntu Linux have. I need to know what the main five utilities that are included on Ubuntu Linux and what do they do.

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  • Windows integrity check

    - by crazybmanp
    is there any way to check and make sure that my windows installation is completely fine (i just had a BSOD and i just want peace of mind it wont happen again). i am running windows 7, but i often give help to others so if there is any utility that works like this on another OS, post it. (also does disk check do this, i have had troubles with the windows seven disk checker as part of the error described in KB975778)

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  • Printer offline until spooler service is restarted multiple times

    - by Zian Choy
    When I try to print from my ThinkPad to a printer shared through a Windows 7 Homegroup hosted by a desktop computer, I often have to restart the Print Spooler service several times before the job will go through. In particular, this problem occurs when the desktop is in sleep mode when the print job is started and then brought out of sleep mode after the print job has been kicked off. Both computers are running Windows 7 32-bit edition with the latest patches. I have tried the following with no improvement: SNMP registry hack (see MS KB for details) Following the instructions in a blog post entitled "Sharing Printers on Vista 64-bit" Looking at Printer offline until spooler service is restarted

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  • Why is domU faster than dom0 on IO?

    - by Paco
    I have installed debian 7 on a physical machine. This is the configuration of the machine: 3 hard drives using RAID 5 Strip element size: 1M Read policy: Adaptive read ahead Write policy: Write Through /boot 200 MB ext2 / 15 GB ext3 SWAP 10GB LVM rest (~500GB) emphasized text I installed postgresql, created a big database (over 1GB). I have an SQL request that takes a lot of time to run (a SELECT statement, so it only reads data from the database). This request takes approximately 5.5 seconds to run. Then, I installed XEN, created a domU, with another debian distro. On this OS, I also installed postgresql, with the same database. The same SQL request takes only 2.5 seconds to run. I checked the kernel on both dom0 and domU. uname-a returns "Linux debian 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64 GNU/Linux" on both systems. I checked the kernel parameters, which are approximately the same. For those that are relevant, I changed their values to make them match on both systems using sysctl. I saw no changes (the requests still take the same amount of time). After this, I checked the file systems. I used ext3 on domU. Still no changes. I installed hdparm, and ran hdparm -Tt on both systems, on all my partitions on both systems, and I get similar results. Now, I am stuck, I don't know what is different, and what could be the cause of such a big difference. Additional Info: Debian runs on a Dell server PowerEdge 2950 postgresql: 9.1.9 (both dom0 and domU) xen-linux-system: 3.2.0 xen-hypervisor: 4.1 Thanks EDIT: As Krzysztof Ksiezyk suggested, it might be due to some file caching system. I ran the dd command to test both the read and write speed. Here is domU: root@test1:~# dd if=/dev/zero of=/root/dd count=5MB bs=1MB ^C2020+0 records in 2020+0 records out 2020000000 bytes (2.0 GB) copied, 18.8289 s, 107 MB/s root@test1:~# dd if=/root/dd of=/dev/null count=5MB bs=1MB 2020+0 records in 2020+0 records out 2020000000 bytes (2.0 GB) copied, 15.0549 s, 134 MB/s And here is dom0: root@debian:~# dd if=/dev/zero of=/root/dd count=5MB bs=1MB ^C1693+0 records in 1693+0 records out 1693000000 bytes (1.7 GB) copied, 8.87281 s, 191 MB/s root@debian:~# dd if=/root/dd of=/dev/null count=5MB bs=1MB 1693+0 records in 1693+0 records out 1693000000 bytes (1.7 GB) copied, 0.501509 s, 3.4 GB/s What can be the cause of this caching system? And how can we "fix" it? Can we apply it to dom0? EDIT 2: I switched my virtual disk type. To do so I followed this article. I did a dd if=/dev/vg0/test1-disk of=/mnt/test1-disk.img bs=16M Then in /etc/xen/test1.cfg, I changed the disk parameter to use file: instead of phy: it should have removed the file caching, but I still get the same numbers (domU being much faster for Postgres)

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  • Backup of Xen servers and laptops with encryption

    - by Konrads
    Hello, I have the following backup objects: Multiple Xen Linux instances running on same box. A few laptops Windows that contain also private data that needs to be stored encrypted I have this backup media: A disk attached to the Xen box A disk available remotely for off-site backups I want to do daily-weekly-monthly backups of Xen systems and to back-up laptops in approximately same mode but in push mode (backup initiated by laptop) with encryption. Any good free solutions?

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  • Cancelled a format using diskpart at 0%. Can I get the data back?

    - by Sudarshan
    I wanted to format my USB thumbdrive, but incorrectly did the following on my external HDD!! CMD -- Diskpart select disk 2 clean create partition primary select partition 1 active format fs=fat32 While it was still at 0% however, I cancelled the format and quit from CMD. I can no longer see the HDD in My computer though, and it shows up as below in diskpart Disk 1 Status - Online Size- 1800 GB Free - 0B Is there anything I can do to get the data and HDD back?

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  • Related to mmicrosoft office 2010 softwere installation.

    - by jitendra singh
    i have dwnloaded microsoft offfice 2010 from the net a trial version but a double click on the.exe icon nero windowa opens and which has only one option to burn a disk .for the installation i have uninstalled the nero but it again open the window of disk burning. is the .exe file corrupt or there is some another method to download and install the microsoft office 2010? simply saying that please guide me to install the microsoft office 2010 office suit file.

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  • Windows XP slow directory move

    - by maaartinus
    When I move a directory containing 900 MB in 4k files to another directory in the same filesystem, it takes nearly 1 minute and I hear the disk working. It's NTFS on Windows XP, the disk is quite fast (ST3100015 28AS) and works fine according to CrystalMark. I switched the antivirus off, and there's nothing else running (there's a lot of processes, but none doing any work). WTF is it doing instead of changing two directory entries?

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  • XP: cannot assign a letter to a FAT32 partition

    - by Toc
    I have an external hard disk, where I have created many partitions to use also in Linux. The first two partitions are FAT32. The third is a Truecrypt Partition. I cannot assign a letter to the second partition. When I go to Manage disk and make right clic on the unassigned partition, most of the items are not enables. See screenshot: http://i42.tinypic.com/ofsh9u.jpg What have I to do to see this partition on my XP pc?

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  • (Ubuntu 10.04 - Windows vista premium on HP pavilion desktop) I reistall my windows, but now i cant

    - by meyosef
    Hi, I had Windows vista premium on HP pavilion desktop. I split disk for ubuntu and make also swap disk part and then i install ubuntu 10.04. To the enterence of my computer after installation i have menu that i can to choose between windows or ubuntu. Today I reistall my windows, but choose menu disapear. I dont see in windows the rdisk part that I give to Ubuntu, soo its mean ubuntu still exist but i cant enter to him. Please help me, Thanks

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  • Win2003 R2 - 1.5TB disks not identified

    - by JohnyD
    I just installed 4 1.5TB hard disks (WD) in two servers (2 in each). Upon reboot they are not showing up in the disk manager whatsoever. I'm running Windows Server 2003 EE (32bit) with 8GB ram. They both currently have mirrored 300GB sata disks. Why aren't they being recognized? Is there a disk size limit for win2k3 r2?

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