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• New computer hangs on shutdown/reboot, how to troubleshoot?

  - by Torben Gundtofte-Bruun

  My system is working perfectly but it freezes during shutdown/reboot/suspend/hibernate: All windows and the menu bar disappear but the desktop wallpaper remains. It doesn't even show the shutdown screen (the one with the animated dots) where I could hit ESC and watch the shutdown console text. The system is brand-new and fully updated using Update Manager. How can I determine what is causing the freeze? Is there a log I can investigate? How can I fix this? I see no obvious cause of the freeze. The only USB attachment is a mouse/keyboard; I don't have any external storage attached; and I don't have any programs running (the machine freezes even when doing shutdown right from the login screen). What I've tried so far: Based on other questions (this, this, and this) that suggest some ACPI settings, I've tried sudo shutdown -h now to see whether the shutdown console text display offers any hints, but the system doesn't even get that far - it still freezes while the screen shown the desktop background image, without any toolbars. Only sudo shutdown --force works, but that's not a solution. Editing the grub menu to add acpi=off to the kernel didn't help. I guess there's not much point in trying the other (lesser) ACPI suggestions? Adding noapic to the grub entry had no discernible effect. Adding nolapic instead did something (I had removed the quiet option) - the system managed to continue further with the shutdown, right until the line Checking for running unattended-upgrades: which were the last characters on the screen. I've also checked the system BIOS, especially regarding power options, but didn't see anything out of the ordinary. Switching the BIOS standby setting from S3 to S1 didn't help. The standby setting can't be disabled, and there are no other ACPI-related settings AFAIK. BIOS reset didn't help. Not surprised; hadn't changed anything. I tried going to a virtual console (CtrlAltF1) as suggested by djeikyb and from there did a shutdown -h now and it froze there too, after this console output. I didn't try killing processes one at a time because I'm still too newbie to figure out how to do that. Booting with kernel 2.6.35.22 rather than 2.6.35.25 didn't help. Disabling the Nvidia drivers didn't help. Booting from Live CD (USB stick in fact) didn't help; it freezes the same way. Booting from Live CD, with acpi=off noapic nolapic didn't help either. Neither did just nolapic. So evidently this is not some custom setting in my install, but some sort of basic issue. MemTest competed in 1 hour without errors.

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• Spotlight on an office - Nairobi, Kenya

  - by Maria Sandu

  Hi everyone, my name is Joash Mitei. I am a graduate Intern at Oracle Systems Kenya and I will briefly take you through our offices and the working environment here in Nairobi, Kenya. I’ve been with Oracle since February 2012 and I’m responsible for Applications Pre-sales focusing on Oracle EPM and E-Business Suite. My background is Finance and Accounting therefore joining Oracle was almost a totally a different ball game but the transition has been smooth. The Oracle offices here are located on the second floor of Mebank Towers. We moved to the 2nd floor just three months ago from the 5th floor mainly because of the growing workforce. We are covering the whole Eastern Africa region hence diversity in culture is evident. This is a plus since you get to interact with people of very different backgrounds, cultures and ways of thinking. The building itself is on the outskirts of the CBD hence free from the hustle and bustle of the town. The office is split into different sections; there is a main working area which has an open desk design that fosters interaction between colleagues, there are 4 conference rooms for meetings and presentations, there are 3 quiet rooms for a little privacy when needed and there is a dining area for meals and ‘hanging out’. The working environment is world-class, to say the least. The employees are very professional, quite smart and needless to say, very busy. There are 4 interns covering sales and pre-sales in both Tech and Apps. As an intern you get support from your supervisor but you are required to show initiative yourself and thus the need to be very pro-active and inquisitive. The local management is well structured and communicative to ensure effectiveness and efficiency in the office. Apart from the daily work, we usually have events to boost staff morale such as ‘TGIF hang -out’, football matches against each other or versus other companies, and team building retreats. All these are monumental in fostering the RED POTENTIAL. We also do numerous CSR activities in the local communities . Well, that’s the Kenyan office for you. Glad to be your tour guide. Have a superb day!

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• How can I improve the battery life under 12.04 on my Inspiron 14z? [duplicate]

  - by cfogelberg

  This question already has an answer here: Tips to extend battery life for laptops and notebooks 24 answers How do I improve the battery life of my Inspiron 14z under Ubuntu 12.04? This laptop gets 4-5 hours of battery life using Windows (e.g. here). I've removed Windows, installed Ubuntu 12.04 and the initial battery life was only 2 hours. With some tweaks (described below) it's still only ~2.5 hours. For reference, the laptop is the latest model of the 14z: i5-3337U processor 32GB MSATA, 500GB HDD (5400rpm) AMD Radeon HD7570M graphics card I have put ext4 partitions on both the SSD and the HDD, and have mounted / to the SSD and /home to the HDD. I also put a 24gb linux swap partition at the start of the HDD, though I figure this won't be used all that much (the laptop has 8gb of RAM). After googling around and reading Ask Ubuntu and other sites extensively, I have done the following steps, and they have improved the battery life ~30 minutes (exact improvement not clear, but battery life is still nowhere near 4-5 hours). Installed Jupiter (and set Performance to "Power Saving") Installed laptop-mode-tools cat /proc/sys/vm/laptop_mode now outputs 5 (previously it output 0) But it's not clear that this will help: AskUbuntu question Turned down the brightness of my screen from full to 1/3 Other things I have heard about but have not tried for fear of frying the laptop or my linux install: Add "pcie_aspm=force" at the end of the line with "quiet splash" in /boot/grub/grub.cfg Enable ALPM, but it may already be enabled in 12.04? Enable i915 framebuffer compression Use a propietary driver for the graphics card? Turn off the graphics card? (what would happen if I relied on the internal Intel bridge?) Use TLP? Spin down the HDD more aggressively (howto, but I think laptop-mode-tools does this already) The only other thing I've noticed is that plastic just above the F5, F6 and F7 keys gets really hot. According to Jupiter my CPU temperature is only 69 celsius and the System Monitor shows CPU load at 7% so I don't think it's the CPU. Maybe it's the graphics card? Also, I've set up MongoDB and LAMP on the machine as well. When I run powertop MongoDB is high in the list, but I'm not sure if that's relevant to battery life because I'm not actually doing anything with MongoDB most of the time. Edit - Additional info as requested $ lspci -nnk | grep -iEA3 "(graphics|vga)" 00:02.0 VGA compatible controller [0300]: Intel Corporation Ivy Bridge Graphics Controller [8086:0166] (rev 09) Subsystem: Dell Device [1028:057f] Kernel driver in use: i915 Kernel modules: i915 -- 02:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Thames [Radeon 7500M/7600M Series] [1002:6841] Subsystem: Dell Device [1028:057f] Kernel driver in use: radeon Kernel modules: radeon

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• Misused mke2fs and cannot boot into system

  - by surlogics

  I installed Ubuntu with WUBI in Windows 7 64bit, and I had installed Mandriva 2011 with a disk. I tried to learn Linux with Ubuntu and misused mke2fs; after I reboot my computer, Windows 7 and Ubuntu has crashed. As I have Mandriva, I boot into Mandriva and found # df -h /dev/sda7 12G 9.8G 1.5G 88% / /dev/sda2 15G 165M 14G 2% /media/logical /dev/sda6 119G 88G 32G 74% /media/2C9E85319E84F51C /dev/sda5 118G 59G 60G 50% /media/D25A6DDE5A6DBFB9 /dev/sda9 100G 188M 100G 1% /media/ae69134a-a65e-488f-ae7f-150d1b5e36a6 /dev/sda1 100M 122K 100M 1% /media/DELLUTILITY /dev/sda3 98G 81G 17G 83% /media/OS # fdisk /dev/sda Command (m for help): p Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xd24f801e Device Boot Start End Blocks Id System /dev/sda1 2048 206847 102400 6 FAT16 /dev/sda2 * 206848 30926847 15360000 7 HPFS/NTFS/exFAT /dev/sda3 30926848 235726847 102400000 7 HPFS/NTFS/exFAT /dev/sda4 235728864 976771071 370521104 f W95 Ext'd (LBA) /dev/sda5 235728896 481488895 122880000 7 HPFS/NTFS/exFAT /dev/sda6 727252992 976771071 124759040 7 HPFS/NTFS/exFAT /dev/sda7 481500243 506674034 12586896 83 Linux /dev/sda8 506674098 514851119 4088511 82 Linux swap / Solaris /dev/sda9 514851183 727246484 106197651 83 Linux Partition table entries are not in disk order I think I may used the following command mke2fs -j -L "logical"/dev/sda2 but I had forgotten what kind of partition it was before I transfered it into ext3. perhaps ntfs Data was not lost, and I can view my files as I could in Windows. In Mandriva, there are following disks: 117.2 GB hard disk, files in it is the same as my Windows D:, and Ubuntu was installed in it; 119.0 GB hard disk is my G:, with my personal files in it; 12.0 GB is the same with Mandriva / (with means root), 101.3 GB hard disk with nothing but lost+found; DELLUTILITY should be Dell computer utilities pre-installed in my computer; logical is the disk which I had spoiled, I can view nothing but lost+found; and OS is the C: in my Windows. After I boot, grub lets me choose Mandriva or Windows. I chose Windows and it tells me: FILE system type unknown, partition type 0x7 Error 13: Invalid or unsupported executable format I doubt something wrong with windows MBR or something # cat /boot/grub/menu.lst timeout 5 color black/cyan yellow/cyan gfxmenu (hd0,6)/boot/gfxmenu default 0 title linux kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=linux root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot logo.nologo quiet resume=UUID=34c546e4-9c42-4526-aa64-bbdc0e9d64fd splash=silent vga=788 initrd (hd0,6)/boot/initrd.img title linux-nonfb kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=linux-nonfb root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot resume=UUID=34c546e4-9c42-4526-aa64-bbdc0e9d64fd initrd (hd0,6)/boot/initrd.img title failsafe kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=failsafe root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot failsafe initrd (hd0,6)/boot/initrd.img title windows root (hd0,1) makeactive chainloader +1 I can boot into Linux, but not Ubuntu, it boot into Mandriva. I don't have a boot disk. Help me find a way to make it work again.

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• Windows Server Backup - Recover only shows the latest backup

  - by Steffen

  We're having quite some trouble at work using Windows Server Backup. We have a HyperV server (Win 2008) running 8 virtual web servers, these are running a variety of OS'es: Win 2003, Win 2008 and a lone Debian. Each virtual server has a separate partition on the physical HyperV server, so e.g. E: is virtual server #1, F: is #2 and so forth. For backup we use Windows Server Backup, or more exactly we use the commandline tool: wbadmin.exe We need to make the backups without stopping the virtual servers, as we cannot afford the downtime (we've got users online both day and night), and Windows Server Backup offers to use the shadow copy provider to archive this. We run wbadmin like this: wbadmin start backup -backuptarget:\\remotebackuplocation\somefolder -include:E: -quiet We run it once per partition, because we've got a script wrapped around that command, for sending us an email about how it went. Each time we run wbadmin it'll delete the Backup xxxx folder it created in last backup, and just create a new. In order to prevent this from happening, we rename the backup xxx folder after each backup is run, before starting the next one. I realize we must rename it back to its original name prior to recovering, and we obviously do this. Now the issue is as follows: Even though we have all the backed up files, and rename whichever backup we want to use, to its original name, we can only see the latest backup in the Windows Server Backup GUI when we select "Recover". This means we can only recover the last partition we backup up, so e.g. E: can never be recovered. In other words we're screwed :-( My question is: Does anyone know how to use Windows Server Backup for a scenario like this ? Or is it simply not possible due to the simplicity of Windows Server Backup ? If it's not possible, could you recommend some backup software for this purpose ? We've already looked at MS' System Center Data Protection Manager, however it's quite expensive and the boss doesn't like that :-/

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• Fedora error log file

  - by user111196

  I am running a java application using this wrapper service yajsw. The problem it just stopped without any error in its logs file. So I was wondering will there be any system log file which will indicate the cause of it going down? Partial of the log file. Apr 6 00:12:20 localhost kernel: imklog 3.22.1, log source = /proc/kmsg started. Apr 6 00:12:20 localhost rsyslogd: [origin software="rsyslogd" swVersion="3.22.1" x-pid="2234" x-info="http://www.rsyslog.com"] (re)start Apr 6 00:12:20 localhost kernel: Initializing cgroup subsys cpuset Apr 6 00:12:20 localhost kernel: Initializing cgroup subsys cpu Apr 6 00:12:20 localhost kernel: Linux version 2.6.27.41-170.2.117.fc10.x86_64 ([email protected]) (gcc version 4.3.2 20081105 (Red Hat 4.3.2-7) (GCC) ) #1 SMP Thu Dec 10 10:36:29 EST 2009 Apr 6 00:12:20 localhost kernel: Command line: ro root=UUID=722ebf87-437f-4634-9c68-a82d157fa948 rhgb quiet Apr 6 00:12:20 localhost kernel: KERNEL supported cpus: Apr 6 00:12:20 localhost kernel: Intel GenuineIntel Apr 6 00:12:20 localhost kernel: AMD AuthenticAMD Apr 6 00:12:20 localhost kernel: Centaur CentaurHauls Apr 6 00:12:20 localhost kernel: BIOS-provided physical RAM map: Apr 6 00:12:20 localhost kernel: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) Apr 6 00:12:20 localhost kernel: BIOS-e820: 0000000000100000 - 00000000cfb50000 (usable) Apr 6 00:12:20 localhost kernel: BIOS-e820: 00000000cfb50000 - 00000000cfb66000 (reserved) Apr 6 00:12:20 localhost kernel: BIOS-e820: 00000000cfb66000 - 00000000cfb85c00 (ACPI data) Apr 6 00:12:20 localhost kernel: BIOS-e820: 00000000cfb85c00 - 00000000d0000000 (reserved) Apr 6 00:12:20 localhost kernel: BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) Apr 6 00:12:20 localhost kernel: BIOS-e820: 00000000fe000000 - 0000000100000000 (reserved) Apr 6 00:12:20 localhost kernel: BIOS-e820: 0000000100000000 - 0000000330000000 (usable) Apr 6 00:12:20 localhost kernel: DMI 2.5 present. Apr 6 00:12:20 localhost kernel: last_pfn = 0x330000 max_arch_pfn = 0x3ffffffff Apr 6 00:12:20 localhost kernel: x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 Apr 6 00:12:20 localhost kernel: last_pfn = 0xcfb50 max_arch_pfn = 0x3ffffffff Apr 6 00:12:20 localhost kernel: init_memory_mapping Apr 6 00:12:20 localhost kernel: last_map_addr: cfb50000 end: cfb50000 Apr 6 00:12:20 localhost kernel: init_memory_mapping Apr 6 00:12:20 localhost kernel: last_map_addr: 330000000 end: 330000000 Apr 6 00:12:20 localhost kernel: RAMDISK: 37bfc000 - 37fef6c8 Apr 6 00:12:20 localhost kernel: ACPI: RSDP 000F21B0, 0024 (r2 DELL ) Apr 6 00:12:20 localhost kernel: ACPI: XSDT 000F224C, 0084 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: FACP CFB83524, 00F4 (r3 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: DSDT CFB66000, 4974 (r1 DELL PE_SC3 1 INTL 20050624) Apr 6 00:12:20 localhost kernel: ACPI: FACS CFB85C00, 0040 Apr 6 00:12:20 localhost kernel: ACPI: APIC CFB83078, 00B6 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: SPCR CFB83130, 0050 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: HPET CFB83184, 0038 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: MCFG CFB831C0, 003C (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: WD__ CFB83200, 0134 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: SLIC CFB83338, 0176 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: ERST CFB6AAF4, 0210 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: HEST CFB6AD04, 027C (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: BERT CFB6A974, 0030 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: EINJ CFB6A9A4, 0150 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: ACPI: TCPA CFB834BC, 0064 (r1 DELL PE_SC3 1 DELL 1) Apr 6 00:12:20 localhost kernel: No NUMA configuration found Apr 6 00:12:20 localhost kernel: Faking a node at 0000000000000000-0000000330000000 Apr 6 00:12:20 localhost kernel: Bootmem setup node 0 0000000000000000-0000000330000000 Apr 6 00:12:20 localhost kernel: NODE_DATA [0000000000015000 - 0000000000029fff] Apr 6 00:12:20 localhost kernel: bootmap [000000000002a000 - 000000000008ffff] pages 66 Apr 6 00:12:20 localhost kernel: (7 early reservations) ==> bootmem [0000000000 - 0330000000] Apr 6 00:12:20 localhost kernel: #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] Apr 6 00:12:20 localhost kernel: #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] Apr 6 00:12:20 localhost kernel: #2 [0000200000 - 0000a310cc] TEXT DATA BSS ==> [0000200000 - 0000a310cc] Apr 6 00:12:20 localhost kernel: #3 [0037bfc000 - 0037fef6c8] RAMDISK ==> [0037bfc000 - 0037fef6c8] Apr 6 00:12:20 localhost kernel: #4 [000009f000 - 0000100000] BIOS reserved ==> [000009f000 - 0000100000] Apr 6 00:12:20 localhost kernel: #5 [0000008000 - 000000c000] PGTABLE ==> [0000008000 - 000000c000] Apr 6 00:12:20 localhost kernel: #6 [000000c000 - 0000015000] PGTABLE ==> [000000c000 - 0000015000] Apr 6 00:12:20 localhost kernel: found SMP MP-table at [ffff8800000fe710] 000fe710 Apr 6 00:12:20 localhost kernel: Zone PFN ranges: Apr 6 00:12:20 localhost kernel: DMA 0x00000000 -> 0x00001000 Apr 6 00:12:20 localhost kernel: DMA32 0x00001000 -> 0x00100000 Apr 6 00:12:20 localhost kernel: Normal 0x00100000 -> 0x00330000 Apr 6 00:12:20 localhost kernel: Movable zone start PFN for each node Apr 6 00:12:20 localhost kernel: early_node_map[3] active PFN ranges Apr 6 00:12:20 localhost kernel: 0: 0x00000000 -> 0x000000a0 Apr 6 00:12:20 localhost kernel: 0: 0x00000100 -> 0x000cfb50 Apr 6 00:12:20 localhost kernel: 0: 0x00100000 -> 0x00330000 Apr 6 00:12:20 localhost kernel: ACPI: PM-Timer IO Port: 0x808 Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x05] lapic_id[0x01] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x07] lapic_id[0x03] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled) Apr 6 00:12:20 localhost kernel: ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1]) Apr 6 00:12:20 localhost kernel: ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0]) Apr 6 00:12:20 localhost kernel: IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-23 Apr 6 00:12:20 localhost kernel: ACPI: IOAPIC (id[0x09] address[0xfec81000] gsi_base[64]) Apr 6 00:12:20 localhost kernel: IOAPIC[1]: apic_id 9, version 0, address 0xfec81000, GSI 64-87 Apr 6 00:12:20 localhost kernel: ACPI: IOAPIC (id[0x0a] address[0xfec84000] gsi_base[160]) Apr 6 00:12:20 localhost kernel: IOAPIC[2]: apic_id 10, version 0, address 0xfec84000, GSI 160-183 Apr 6 00:12:20 localhost kernel: ACPI: IOAPIC (id[0x0b] address[0xfec84800] gsi_base[224]) Apr 6 00:12:20 localhost kernel: IOAPIC[3]: apic_id 11, version 0, address 0xfec84800, GSI 224-247 Apr 6 00:12:20 localhost kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Apr 6 00:12:20 localhost kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Apr 6 00:12:20 localhost kernel: Setting APIC routing to flat Apr 6 00:12:20 localhost kernel: ACPI: HPET id: 0x8086a201 base: 0xfed00000 Apr 6 00:12:20 localhost kernel: Using ACPI (MADT) for SMP configuration information Apr 6 00:12:20 localhost kernel: SMP: Allowing 8 CPUs, 0 hotplug CPUs Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000000a0000 - 0000000000100000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000cfb50000 - 00000000cfb66000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000cfb66000 - 00000000cfb85000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000cfb85000 - 00000000cfb86000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000cfb86000 - 00000000d0000000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000d0000000 - 00000000e0000000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000e0000000 - 00000000f0000000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000f0000000 - 00000000fe000000 Apr 6 00:12:20 localhost kernel: PM: Registered nosave memory: 00000000fe000000 - 0000000100000000 Apr 6 00:12:20 localhost kernel: Allocating PCI resources starting at d1000000 (gap: d0000000:10000000) Apr 6 00:12:20 localhost kernel: PERCPU: Allocating 65184 bytes of per cpu data Apr 6 00:12:20 localhost kernel: Built 1 zonelists in Zone order, mobility grouping on. Total pages: 3096524 Apr 6 00:12:20 localhost kernel: Policy zone: Normal Apr 6 00:12:20 localhost kernel: Kernel command line: ro root=UUID=722ebf87-437f-4634-9c68-a82d157fa948 rhgb quiet Apr 6 00:12:20 localhost kernel: Initializing CPU#0 Apr 6 00:12:20 localhost kernel: PID hash table entries: 4096 (order: 12, 32768 bytes) Apr 6 00:12:20 localhost kernel: Extended CMOS year: 2000 Apr 6 00:12:20 localhost kernel: TSC: PIT calibration confirmed by PMTIMER. Apr 6 00:12:20 localhost kernel: TSC: using PMTIMER calibration value Apr 6 00:12:20 localhost kernel: Detected 1994.992 MHz processor. Apr 6 00:12:20 localhost kernel: Console: colour VGA+ 80x25 Apr 6 00:12:20 localhost kernel: console [tty0] enabled Apr 6 00:12:20 localhost kernel: Checking aperture... Apr 6 00:12:20 localhost kernel: No AGP bridge found Apr 6 00:12:20 localhost kernel: PCI-DMA: Using software bounce buffering for IO (SWIOTLB) Apr 6 00:12:20 localhost kernel: Placing software IO TLB between 0x20000000 - 0x24000000 Apr 6 00:12:20 localhost kernel: Memory: 12324244k/13369344k available (3311k kernel code, 253484k reserved, 1844k data, 1296k init) Apr 6 00:12:20 localhost kernel: SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1 Apr 6 00:12:20 localhost kernel: Calibrating delay loop (skipped), value calculated using timer frequency.. 3989.98 BogoMIPS (lpj=1994992) Apr 6 00:12:20 localhost kernel: Security Framework initialized Apr 6 00:12:20 localhost kernel: SELinux: Initializing. Apr 6 00:12:20 localhost kernel: Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes) Apr 6 00:12:20 localhost kernel: Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes) Apr 6 00:12:20 localhost kernel: Mount-cache hash table entries: 256 Apr 6 00:12:20 localhost kernel: Initializing cgroup subsys ns Apr 6 00:12:20 localhost kernel: Initializing cgroup subsys cpuacct Apr 6 00:12:20 localhost kernel: Initializing cgroup subsys devices Apr 6 00:12:20 localhost kernel: CPU: L1 I cache: 32K, L1 D cache: 32K Apr 6 00:12:20 localhost kernel: CPU: L2 cache: 4096K Apr 6 00:12:20 localhost kernel: CPU 0/0 -> Node 0 Apr 6 00:12:20 localhost kernel: CPU: Physical Processor ID: 0 Apr 6 00:12:20 localhost kernel: CPU: Processor Core ID: 0 Apr 6 00:12:20 localhost kernel: CPU0: Thermal monitoring enabled (TM1) Apr 6 00:12:20 localhost kernel: using mwait in idle threads. Apr 6 00:12:20 localhost kernel: ACPI: Core revision 20080609 Apr 6 00:12:20 localhost kernel: ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 Apr 6 00:12:20 localhost kernel: CPU0: Intel(R) Xeon(R) CPU E5335 @ 2.00GHz stepping 07 Apr 6 00:12:20 localhost kernel: Using local APIC timer interrupts. Apr 6 00:12:20 localhost kernel: Detected 20.781 MHz APIC timer. Apr 6 00:12:20 localhost kernel: Booting processor 1/4 ip 6000 Apr 6 00:12:20 localhost kernel: Initializing CPU#1 Apr 6 00:12:20 localhost kernel: Calibrating delay using timer specific routine.. 3990.05 BogoMIPS (lpj=1995026) Apr 6 00:12:20 localhost kernel: CPU: L1 I cache: 32K, L1 D cache: 32K Apr 6 00:12:20 localhost kernel: CPU: L2 cache: 4096K Apr 6 00:12:20 localhost kernel: CPU 1/4 -> Node 0 Apr 6 00:12:20 localhost kernel: CPU: Physical Processor ID: 1 Apr 6 00:12:20 localhost kernel: CPU: Processor Core ID: 0 Apr 6 00:12:20 localhost kernel: CPU1: Thermal monitoring enabled (TM2) Apr 6 00:12:20 localhost kernel: x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106 Apr 6 00:12:20 localhost kernel: CPU1: Intel(R) Xeon(R) CPU E5335 @ 2.00GHz stepping 07 Apr 6 00:12:20 localhost kernel: checking TSC synchronization [CPU#0 -> CPU#1]: passed. Apr 6 00:12:20 localhost kernel: Booting processor 2/2 ip 6000 Apr 6 00:12:20 localhost kernel: Initializing CPU#2 Apr 6 00:12:20 localhost kernel: Calibrating delay using timer specific routine.. 3990.05 BogoMIPS (lpj=1995029)

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• Restarting Haproxy Gracefully

  - by Anand Gupta

  As per various blogs, HAproxy can be gracefully restarted using the following command: sudo haproxy -f /etc/haproxy/haproxy.cfg -p /var/run/haproxy.pid -sf $(cat /var/run/haproxy.pid) TO verify this, I had set up a apache bench script which contiguously sent message to haproxy. Ideally, whenever I restarted my server the script should not have an affect on the apache bunch execiton. But, it seems that whenever Haproxy is restarted apache bench scripts terminate and the connection to load balancer is lost. Here is the details of my HaProxy configuration file : global nbproc 4 log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info maxconn 4096 #chroot /usr/share/haproxy user haproxy group haproxy daemon pidfile /var/run/haproxy.pid stats socket /home/ubuntu/haproxy.sock #debug #quiet defaults log global mode http option httplog option dontlognull retries 3 option redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen webstats bind 0.0.0.0:1000 stats enable mode http stats uri /lb?stats stats auth anand:aaaaaaaa #stats refresh listen web-farm 0.0.0.0:80 mode http balance roundrobin option httpchk HEAD /index.php HTTP/1.0 server server2.com 1.1.1.1:80 server serve1.com 1.1.1.2:80 ~ Please let me know what am I missing here.

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• SQL Server Express 2008 R2 Installation error at Windows 7

  - by Shai Sherman

  Hello, I created install script that will install SQL Server 2008 R2 on windows XP SP3, windows vista and windows 7. One of the command that i used in the installation is for silent installation of SQL Server 2008 R2. When i install it on windows XP everything works just fine but when i try to install it on Windows 7 i get an error. What am I doing wrong? Here is the command line that i use: "Setup.exe /ConfigurationFile=Mysetup.ini" Mysetup.ini file: -------------------------------------Start of ini file --------------------------------- ;SQL SERVER 2008 R2 Configuration File ;Version 1.0, 5 May 2010 ; [SQLSERVER2008] ; Specify the Instance ID for the SQL Server features you have specified. SQL Server directory structure, registry structure, and service names will reflect the instance ID of the SQL Server instance. INSTANCEID="MSSQLSERVER" ; Specifies a Setup work flow, like INSTALL, UNINSTALL, or UPGRADE. This is a required parameter. ACTION="Install" ; Specifies features to install, uninstall, or upgrade. The list of top-level features include SQL, AS, RS, IS, and Tools. The SQL feature will install the database engine, replication, and full-text. The Tools feature will install Management Tools, Books online, Business Intelligence Development Studio, and other shared components. FEATURES=SQLENGINE ; Displays the command line parameters usage HELP="False" ; Specifies that the detailed Setup log should be piped to the console. INDICATEPROGRESS="False" ; Setup will not display any user interface. QUIET="False" ; Setup will display progress only without any user interaction. QUIETSIMPLE="True" ; Specifies that Setup should install into WOW64. This command line argument is not supported on an IA64 or a 32-bit system. ;X86="False" ; Specifies the path to the installation media folder where setup.exe is located. ;MEDIASOURCE="z:\" ; Detailed help for command line argument ENU has not been defined yet. ENU="True" ; Parameter that controls the user interface behavior. Valid values are Normal for the full UI, and AutoAdvance for a simplied UI. ; UIMODE="Normal" ; Specify if errors can be reported to Microsoft to improve future SQL Server releases. Specify 1 or True to enable and 0 or False to disable this feature. ERRORREPORTING="False" ; Specify the root installation directory for native shared components. ;INSTALLSHAREDDIR="D:\Program Files\Microsoft SQL Server" ; Specify the root installation directory for the WOW64 shared components. ;INSTALLSHAREDWOWDIR="D:\Program Files (x86)\Microsoft SQL Server" ; Specify the installation directory. ;INSTANCEDIR="D:\Program Files\Microsoft SQL Server" ; Specify that SQL Server feature usage data can be collected and sent to Microsoft. Specify 1 or True to enable and 0 or False to disable this feature. SQMREPORTING="False" ; Specify a default or named instance. MSSQLSERVER is the default instance for non-Express editions and SQLExpress for Express editions. This parameter is required when installing the SQL Server Database Engine (SQL), Analysis Services (AS), or Reporting Services (RS). INSTANCENAME="SQLEXPRESS" SECURITYMODE=SQL SAPWD=SystemAdmin ; Agent account name AGTSVCACCOUNT="NT AUTHORITY\NETWORK SERVICE" ; Auto-start service after installation. AGTSVCSTARTUPTYPE="Manual" ; Startup type for Integration Services. ;ISSVCSTARTUPTYPE="Automatic" ; Account for Integration Services: Domain\User or system account. ;ISSVCACCOUNT="NT AUTHORITY\NetworkService" ; Controls the service startup type setting after the service has been created. ;ASSVCSTARTUPTYPE="Automatic" ; The collation to be used by Analysis Services. ;ASCOLLATION="Latin1_General_CI_AS" ; The location for the Analysis Services data files. ;ASDATADIR="Data" ; The location for the Analysis Services log files. ;ASLOGDIR="Log" ; The location for the Analysis Services backup files. ;ASBACKUPDIR="Backup" ; The location for the Analysis Services temporary files. ;ASTEMPDIR="Temp" ; The location for the Analysis Services configuration files. ;ASCONFIGDIR="Config" ; Specifies whether or not the MSOLAP provider is allowed to run in process. ;ASPROVIDERMSOLAP="1" ; A port number used to connect to the SharePoint Central Administration web application. ;FARMADMINPORT="0" ; Startup type for the SQL Server service. SQLSVCSTARTUPTYPE="Automatic" ; Level to enable FILESTREAM feature at (0, 1, 2 or 3). FILESTREAMLEVEL="0" ; Set to "1" to enable RANU for SQL Server Express. ENABLERANU="1" ; Specifies a Windows collation or an SQL collation to use for the Database Engine. SQLCOLLATION="SQL_Latin1_General_CP1_CI_AS" ; Account for SQL Server service: Domain\User or system account. SQLSVCACCOUNT="NT Authority\System" ; Default directory for the Database Engine user databases. ;SQLUSERDBDIR="K:\Microsoft SQL Server\MSSQL\Data" ; Default directory for the Database Engine user database logs. ;SQLUSERDBLOGDIR="L:\Microsoft SQL Server\MSSQL\Data\Logs" ; Directory for Database Engine TempDB files. ;SQLTEMPDBDIR="T:\Microsoft SQL Server\MSSQL\Data" ; Directory for the Database Engine TempDB log files. ;SQLTEMPDBLOGDIR="T:\Microsoft SQL Server\MSSQL\Data\Logs" ; Provision current user as a Database Engine system administrator for SQL Server 2008 R2 Express. ADDCURRENTUSERASSQLADMIN="True" ; Specify 0 to disable or 1 to enable the TCP/IP protocol. TCPENABLED="1" ; Specify 0 to disable or 1 to enable the Named Pipes protocol. NPENABLED="0" ; Startup type for Browser Service. BROWSERSVCSTARTUPTYPE="Automatic" ; Specifies how the startup mode of the report server NT service. When ; Manual - Service startup is manual mode (default). ; Automatic - Service startup is automatic mode. ; Disabled - Service is disabled ;RSSVCSTARTUPTYPE="Automatic" ; Specifies which mode report server is installed in. ; Default value: “FilesOnly” ;RSINSTALLMODE="FilesOnlyMode" ; Accept SQL Server 2008 R2 license terms IACCEPTSQLSERVERLICENSETERMS="TRUE" ;setup.exe /CONFIGURATIONFILE=Mysetup.ini /INDICATEPROGRESS --------------------------- End of ini file ------------------------------------- And i get this error: 2010-08-31 18:05:53 Slp: Error result: -2068119551 2010-08-31 18:05:53 Slp: Result facility code: 1211 2010-08-31 18:05:53 Slp: Result error code: 1 2010-08-31 18:05:53 Slp: Sco: Attempting to create base registry key HKEY_LOCAL_MACHINE, machine 2010-08-31 18:05:53 Slp: Sco: Attempting to open registry subkey 2010-08-31 18:05:53 Slp: Sco: Attempting to open registry subkey Software\Microsoft\PCHealth\ErrorReporting\DW\Installed 2010-08-31 18:05:53 Slp: Sco: Attempting to get registry value DW0200 2010-08-31 18:05:53 Slp: Submitted 1 of 1 failures to the Watson data repository What the meaning of this? What do i need to do to fix that problem? Here is the Summary file: Overall summary: Final result: SQL Server installation failed. To continue, investigate the reason for the failure, correct the problem, uninstall SQL Server, and then rerun SQL Server Setup. Exit code (Decimal): -2068119551 Exit facility code: 1211 Exit error code: 1 Exit message: SQL Server installation failed. To continue, investigate the reason for the failure, correct the problem, uninstall SQL Server, and then rerun SQL Server Setup. Start time: 2010-08-31 18:03:44 End time: 2010-08-31 18:05:51 Requested action: Install Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100831_180236\Detail.txt Exception help link: http%3a%2f%2fgo.microsoft.com%2ffwlink%3fLinkId%3d20476%26ProdName%3dMicrosoft%2bSQL%2bServer%26EvtSrc%3dsetup.rll%26EvtID%3d50000%26ProdVer%3d10.50.1600.1%26EvtType%3d0x6121810A%400xC24842DB Machine Properties: Machine name: NVR Machine processor count: 2 OS version: Windows 7 OS service pack: OS region: United States OS language: English (United States) OS architecture: x86 Process architecture: 32 Bit OS clustered: No Product features discovered: Product Instance Instance ID Feature Language Edition Version Clustered Package properties: Description: SQL Server Database Services 2008 R2 ProductName: SQL Server 2008 R2 Type: RTM Version: 10 SPLevel: 0 Installation location: C:\Disk1\setupsql\x86\setup\ Installation edition: EXPRESS User Input Settings: ACTION: Install ADDCURRENTUSERASSQLADMIN: True AGTSVCACCOUNT: NT AUTHORITY\NETWORK SERVICE AGTSVCPASSWORD: * AGTSVCSTARTUPTYPE: Disabled ASBACKUPDIR: Backup ASCOLLATION: Latin1_General_CI_AS ASCONFIGDIR: Config ASDATADIR: Data ASDOMAINGROUP: ASLOGDIR: Log ASPROVIDERMSOLAP: 1 ASSVCACCOUNT: ASSVCPASSWORD: * ASSVCSTARTUPTYPE: Automatic ASSYSADMINACCOUNTS: ASTEMPDIR: Temp BROWSERSVCSTARTUPTYPE: Automatic CONFIGURATIONFILE: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100831_180236\ConfigurationFile.ini CUSOURCE: ENABLERANU: True ENU: True ERRORREPORTING: False FARMACCOUNT: FARMADMINPORT: 0 FARMPASSWORD: * FEATURES: SQLENGINE FILESTREAMLEVEL: 0 FILESTREAMSHARENAME: FTSVCACCOUNT: FTSVCPASSWORD: * HELP: False IACCEPTSQLSERVERLICENSETERMS: True INDICATEPROGRESS: False INSTALLSHAREDDIR: C:\Program Files\Microsoft SQL Server\ INSTALLSHAREDWOWDIR: C:\Program Files\Microsoft SQL Server\ INSTALLSQLDATADIR: INSTANCEDIR: C:\Program Files\Microsoft SQL Server\ INSTANCEID: MSSQLSERVER INSTANCENAME: SQLEXPRESS ISSVCACCOUNT: NT AUTHORITY\NetworkService ISSVCPASSWORD: * ISSVCSTARTUPTYPE: Automatic NPENABLED: 0 PASSPHRASE: * PCUSOURCE: PID: * QUIET: False QUIETSIMPLE: True ROLE: AllFeatures_WithDefaults RSINSTALLMODE: FilesOnlyMode RSSVCACCOUNT: NT AUTHORITY\NETWORK SERVICE RSSVCPASSWORD: * RSSVCSTARTUPTYPE: Automatic SAPWD: * SECURITYMODE: SQL SQLBACKUPDIR: SQLCOLLATION: SQL_Latin1_General_CP1_CI_AS SQLSVCACCOUNT: NT Authority\System SQLSVCPASSWORD: * SQLSVCSTARTUPTYPE: Automatic SQLSYSADMINACCOUNTS: SQLTEMPDBDIR: SQLTEMPDBLOGDIR: SQLUSERDBDIR: SQLUSERDBLOGDIR: SQMREPORTING: False TCPENABLED: 1 UIMODE: AutoAdvance X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100831_180236\ConfigurationFile.ini Detailed results: Feature: Database Engine Services Status: Failed: see logs for details MSI status: Passed Configuration status: Failed: see details below Configuration error code: 0x0A2FBD17@1211@1 Configuration error description: The process cannot access the file because it is being used by another process. Configuration log: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100831_180236\Detail.txt Rules with failures: Global rules: Scenario specific rules: Rules report file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100831_180236\SystemConfigurationCheck_Report.htm What should I do and why does this problem occur? Thanks , Shai.

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• Boot ISO image from GRUB4DOS on EFI machines

  - by Vladimir Tikhomirov

  I failed with loading ISO image (non-distro) from GRUB2 from USB stick, but found the way how I can boot the GRUB4DOS and then load the image from there. However, it doesn't work all the time and the questions is WHY it doesn't? Environment and loading process: We need to have EFI machine, USB stick, booting ISO, GRUB2 and GRUB4DOS. Last 3 on USB stick. Boot: USB - EFI loader - GRUB2 - GRUB4DOS - ISO image Configuration files To boot GRUB4DOS I use this from grub.cfg: menuentry "image.iso" { linux /syslinux/grub.exe --config-file="/menu.lst" } My menu.lst is here: timeout 20 default 0 title image.iso find --set-root --ignore-floppies --ignore-cd //image.iso map --heads=0 --sectors-per-track=0 //image.iso (hd32) map --hook chainloader (hd32) This works perfectly with Legacy machines. However, when I come to GRUB4DOS, I don't see the menu with image.iso, I see only GRUB command line. That means that my menu.lst didn't load. Why is it like this? Background and ideas I have an idea that GRUB4DOS doesn't recognize my USB stick as a device. I tried the command find and got (hd0,0), (hd0,1), (hd0,2), (rd). When I tried to set root to any of these devices I don't see fat file system, how it was with Legacy machines. The root device is (hd0,0), which has ntfs file system which should be partition with Windows. EFI machines support only GRUB2, so I can't boot GRUB4DOS straight away. Please, don't suggest anything like this, because my image doesn't have kernel. You can imagine that you load HDAT2 or Hiren's boot cd, for example. menuentry "Blancco Blancco5.iso" { set isofile="/image.iso" loopback loop $isofile set root=(loop) linux /isolinux/vmlinuz isofile=$isofile splash quiet initrd /isolinux/initrd }

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• Insufficient storage available to create shadow copy

  - by Bob.at.SBS

  I have used the "Windows 7 File Recovery" tool under Windows 8 to create system image backups to an external USB hard drive. I built a new Windows 8.1 machine, and I want to create my first system image backup of that machine to the same USB hard drive. The "Windows 7 File Recovery" tool is gone in Windows 8.1, but wbAdmin is alive and well: wbAdmin start backup -backupTarget:\\?\Volume{2a2b...994f} -allCritical -quiet fails with this text displayed: wbadmin 1.0 - Backup command-line tool (C) Copyright 2013 Microsoft Corporation. All rights reserved. Retrieving volume information... This will back up (EFI System Partition),(C:),Recovery (300.00 MB) to \?\Volume {2a2b1255-3a86-11e3-be86-b8ca3a83994f}. The backup operation to F: is starting. Creating a shadow copy of the volumes specified for backup... Summary of the backup operation: The backup operation stopped before completing. The backup operation stopped before completing. Detailed error: ERROR - A Volume Shadow Copy Service operation error has occurred: (0x8004231f) Insufficient storage available to create either the shadow copy storage file or other shadow copy data. The EFI System Partition is 100 MB The Recovery Partition is 300 MB The C partition is 1.72 TB, NTFS, 218 GB used, 1.51 TB free The destination drive is 1.81 TB, NTFS, 678 GB used, 1.15 TB free I've fiddled with vssadmin resize shadowstorage, with no change in the error. vssadmin list shadowstorage displays: Shadow Copy Storage association For volume: (C:)\?\Volume{37a0...263}\ Shadow Copy Storage volume: (C:)\?\Volume{37a0...263}\ Used Shadow Copy Storage space: 2.39 GB (0%) Allocated Shadow Copy Storage space: 2.81 GB (0%) Maximum Shadow Copy Storage space: 531 GB (30%) Shadow Copy Storage association For volume: (F:)\?\Volume{2a2...94f}\ Shadow Copy Storage volume: (F:)\?\Volume{2a2...94f}\ Used Shadow Copy Storage space: 334 GB (17%) Allocated Shadow Copy Storage space: 337 GB (18%) Maximum Shadow Copy Storage space: UNBOUNDED (922154758%) (Yeah, the "percent calculation" for UNBOUNDED is seriously bogus.) I've run SFC /verifyonly and it seems happy. I've verified that the new `Volume Shadow Copy" service starts when I start the backup operation. Any suggestions?

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• Hardware for a home server running Windows Server 2008 R2 Hyper-V or Microsoft Hyper-V Server 2008 R2

  - by David Hayes

  Hi, I'm planning to build a server to do the following Act as a file server (videos, pictures music) Run Squeezebox server Run Zune Software to allow wireless syncing to Windows Phone 7 I'd also like to aim for Low power usage (i'd settle for less than the 90-100Watts I'm using atm Flexibility, I might want to add a web server or sharepoint or... Something I can learn/test on, work is mainly a Windows shop but I do have Linux experience too I'd like to take a look at App-V (application virtualization) too I'd like it to cost less than $1000 Quiet would be nice but not essential (it'll be in the basement) I'm thinking of getting a technet subscription to get access to Windows Server 2008 R2 at a reasonable price ($199) So my plan was this Get a bunch of 2TB Caviar green drives to RAID up (RAID 1 or 6 probably) Get a Quad core CPU (Intel i5/i7 probably) Install a Hypervisor Install w2k8 R2 Storage Server for a NAS Install Windows 7 Pro to run Zune/Squeeze box Install any other machines I want to play with Questions Can anyone see any issues with this or have any better ideas? Do you think I'd need an i7 over an i5? Is 4 cores enough/too much? Can anyone sugest a nice, reasonably priced case that will hold 6-8 drives and stay cool Should I wait for Sandy Bridge parts?

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• Black screen appears when booting new install of Ubuntu 11.10 on my desktop, cannot access Grub menu to fix

  - by izn

  I installed 11.10 on my desktop PC but get a black screen after the BIOS screen when I try to boot it. I was able to run 10.04.04 on my hard drive before installing 11.10 and I am also able to use 11.10 on my usb pendrive and CD ROM. I've tried unplugging all USB devices before booting and also upgrading from 11.10 to 11.10. Holding the shift key from the BIOS screen doesn't allow me to access the GRUB menu to try: Highlight the first entry, press “e” to edit it. Navigate to words “quiet splash”, delete them and type “nomodeset” in their place (without quotes). Press Ctrl + X to continue boot. Once on the desktop, go to System Administration Additional Drivers and activate the recommended drivers. So running 11.10 on my pendrive, I tried editing /etc/default/grub, commenting out the GRUB_HIDDEN_TIMEOUT setting by putting a '#' in front of it to display the grub menu and setting GRUB_TIMEOUT setting to a value greater than or equal to 1 e.g. GRUB_TIMEOUT=10. However, when I run sudo update-grub, I get: /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?) I get the same error with update-grub after: sudo mount /dev/sda1 /mnt and after: sudo grub-install --root-directory=/mnt /dev/sda reboot sudo update-grub Other suggestions to fix the update-grub problem: Open synaptic, then purge all the related grub installed packages and reinstall grub-pc then and finally: sudo update-grub Or use Grub Customizer http://ubuntuforums.org/showthread.php?t=1195275 What would be the best way to approach this? I'm concerned about purging "all the related grub installed packages" but if it's true some files are corrupted this would seem necessary. Also, was I executing the correct commands i.e. with mount and grub-install, before running grub-update?

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• how to correctly mount fat32 partition in Ubuntu in order to preserve case

  - by Dean

  I've found there are couple of problems might be related how my FAT32 partition was mounted. I hope you can help me to solve the problem. I also included the command I used to help others when they find this post, sorry to those might feel I should use less space. I've the following file structures on my disk dean@notebook:~$ sudo fdisk -l Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x08860886 Device Boot Start End Blocks Id System /dev/sda1 * 1 13 102400 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 13 5737 45978624 7 HPFS/NTFS /dev/sda3 5738 10600 39062047+ 83 Linux /dev/sda4 10601 19457 71143852+ 5 Extended /dev/sda5 10601 11208 4883728+ 82 Linux swap / Solaris /dev/sda6 11209 15033 30720000 b W95 FAT32 /dev/sda7 15033 19457 35537920 7 HPFS/NTFS In the etc/fstab I've got UUID=91c57a65-dc53-476b-b219-28dac3682d31 / ext4 defaults 0 1 UUID=BEA2A8AFA2A86D99 /media/NTFS ntfs-3g quiet,defaults,locale=en_US.utf8,umask=0 0 0 UUID=0C0C-9BB3 /media/FAT32 vfat user,auto,utf8,fmask=0111,dmask=0000,uid=1000 0 0 /dev/sda5 swap swap sw 0 0 /dev/sda1 /media/sda1 ntfs nls=iso8859-1,ro,noauto,umask=000 0 0 /dev/sda2 /media/sda2 ntfs nls=iso8859-1,ro,noauto,umask=000 0 0 I checked my id using id and I've got dean@notebook:~$ id uid=1000(dean) gid=1000(dean) groups=4(adm),20(dialout),24(cdrom),46(plugdev),103(fuse),104(lpadmin),115(admin),120(sambashare),1000(dean) I don't know why with these settings I still have problem of using svn like in this one Thank you for your help!

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• Creating Windows 8.1 system image error

  - by Random

  I'm experiencing "not enough space" error when trying to create system image to a USB hard drive: Detailed error: ERROR - A Volume Shadow Copy Service operation error has occurred: (0x8004231f) Insufficient storage available to create either the shadow copy storage file or other shadow copy data. Blah, blah... There is not enough disk space to create the volume shadow copy on the storage location. Make sure that, for all volumes to be backup up, the minimum required disk space for shadow copy creation is available. This applies to both the backup storage destination and volumes included in the backup. Minimum requirement: For volumes less than 500 megabytes, the minimum is 50 megabytes of free space. For volumes more than 500 megabytes, the minimum is 320 megabytes of free space. Recommended: At least 1 gigabyte of free disk space on each volume if volume size is more than 1 gigabyte. ERROR - A Volume Shadow Copy Service operation error has occurred: (0x8004231f) Insufficient storage available to create either the shadow copy storage file or other shadow copy data. I'd tried both - PowerShell wbAdmin start backup -backupTarget:E: -include:C: -allCritical -quiet and via Control Panel - File History button Clearly both EFI and Windows Recovery Environment partitions don't meet requirements coming from System Image tool (pic below) On top of that all system partitions are now shown as 100% free in Disk Management, it's disturbing but far from the actual state. My question is - hot to create System Image in Windows 8.1?

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• HaProxy - Http and SSL pass through config

  - by Bill

  I've currently got an HaProxy LB solution in place and everything is working fine however we are having an issue with a very few clients who cannot get to our site via HTTPS (SSL) they can browse our site in Http but as soon as they click on an absolute HTTPS link they are taken to our home page instead. Wondering if anyone can look at our config below and see if there's something awry. I believe we are on HaProxy 1.2.17 global log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info maxconn 6144 #debug #quiet user haproxy group haproxy defaults log global mode http option httplog option dontlognull retries 3 redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 stats auth # admin password stats uri /monitor listen webfarm # bind :80,:443 bind :443 mode tcp balance source #cookie SERVERID insert indirect #option httpclose #option forwardfor #option httpchk HEAD /check.cfm HTTP/1.0 server webA 111.10.10.1 #server webB 111.10.10.2 server webB 111.10.10.3 server webC 111.10.10.4 listen webfarmhttp :80 mode http balance source # option httpclose option forwardfor # option httpchk HEAD /check.cfm HTTP/1.0 option httpchk /check.cfm server webA 111.10.10.1 #server webB 111.10.10.2 server webB 111.10.10.3 server webC 111.10.10.4 listen monitor :8443 mode http balance roundrobin #cookie SERVERID insert indirect option httpclose option forwardfor #option httpchk HEAD /check.txt HTTP/1.0 #option httpchk HEAD /check.cfm HTTP/1.0 server webA 111.10.10.1 server webB 111.10.10.2

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• Apache2 - 500 internal server error

  - by Lucio Coire Galibone

  i'm running a VPS with Linux CentOs 6 with 4 GB of RAM, 10 GB of HD and 2 virtual CPU Intel(R) Xeon(R)CPU L5640 @ 2.27GHz. As my host says each virtual CPU must be at least 0.5 physical cpu. At certain times of the day, those with more traffic, trying accessing my php script i receive intermittently "500 internal server error". I activate logging to debug level from apache, and also the PHP logging with E_ALL, but I can't find reference to Error 500 in any logs(I checked the right logs!). I haven't got any .htaccess file in path script. The strange thing is that the error start at first php line in the script (the previous html displays correctly, but at the first php line the script send 500 error). The cpu load is always good (max 0.15 0.08 0.01) and RAM is close to 95% but it arrived to swap just 2 times in a month with 2-5 MB. Apache works with prefork with this values: <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 280 MaxClients 280 MaxRequestsPerChild 4000 </IfModule> Everthing works correctly and I don't get any error in quiet times, but i start receive errors when traffic rises (6-9000 visits per hour). Can i solve the problem increasing resources? (i can upgrade RAM up to 16 GB). It can depend from reaching MaxClients (but apache must write it on log, right?)? If I upgrade RAM to 6 or 8 GB i have to calculate MaxClients value with this? MaxClients = Total RAM dedicated to the web server / Max child process size Max child process size is around 20M. How else can the problem be? Thanks in advance

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• Ubuntu 10.04 Keyboard and Mouse Freezing Problem

  - by nitbuntu

  I had a partition setup with Windows XP and Ubuntu 8.04 dual booting. I recently upgraded to Ubuntu 10.04 by installing fresh from CD but leaving the previous /home folder as is. Things seemed to be working fine, but started finding that my mouse and keyboard were freezing. After a quick search on the internet, I found the following suggestions as shown here:- Ubuntu Forums Here the suggestion was to:- Edit /etc/default/grub, go to the line that begins like: GRUB_CMDLINE_LINUX_DEFAULT= Change it to: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=off" After that, run this command: sudo update-grub and Reboot This seemed to have resolved the issue but after a couple of days I again find my mouse and keyboard freezing. I also find that my parallel port printer had also stopped working. I have saved the output of dmesg and my syslog. The first can be viewed here but the syslog had too many characters, so if someone can suggest an alternative to freetexthost, I can post it there. Moreover, if there is any other information that should be provided, do let me know. I do hope we can get to the bottom of this issue. Thank you in advance for any help that could be provided.

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• Vista failing to load after apparently being repaired

  - by Joomaz

  Hi, I apologise if I'm a litre vague and can give more info if needed. My vista machine has been working fine until today when I tried booting it. Vista loads showing the loading bar then goes to a black screen with the cursor on which you can move. It then remains like this for several minutes, during this time the computer doesn't sound like it's doing much, it is relatively quiet. Finally the welcome screen appears. It stays on this for several minutes again and the computer reboots. This keeps happening and the machine fails to load in safe mode - the same happens. I booted the pc with the vista disk in and ran repair your computer and used the system repair. It took about 20 minutes saying it was repairing damaged giles. I booted the pc again and the same happened. I loaded the pc with yeh vista disk again and chose repair my computer again. System repair seemed to run automatically this time and agian it did the same. I rebooted and the problem persisted. I then tried system restore to a few days ago. After half a hour as it finished it said it failed due to a portion being corrupt. I am really not sure what to do now. Any advice appreciated!

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• how to correctly mount fat32 partition in Ubuntu in order to preserve case

  - by Dean

  I've found there are couple of problems might be related how my FAT32 partition was mounted. I hope you can help me to solve the problem. I also included the command I used to help others when they find this post, sorry to those might feel I should use less space. I've the following file structures on my disk dean@notebook:~$ sudo fdisk -l Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x08860886 Device Boot Start End Blocks Id System /dev/sda1 * 1 13 102400 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 13 5737 45978624 7 HPFS/NTFS /dev/sda3 5738 10600 39062047+ 83 Linux /dev/sda4 10601 19457 71143852+ 5 Extended /dev/sda5 10601 11208 4883728+ 82 Linux swap / Solaris /dev/sda6 11209 15033 30720000 b W95 FAT32 /dev/sda7 15033 19457 35537920 7 HPFS/NTFS In the etc/fstab I've got UUID=91c57a65-dc53-476b-b219-28dac3682d31 / ext4 defaults 0 1 UUID=BEA2A8AFA2A86D99 /media/NTFS ntfs-3g quiet,defaults,locale=en_US.utf8,umask=0 0 0 UUID=0C0C-9BB3 /media/FAT32 vfat user,auto,utf8,fmask=0111,dmask=0000,uid=1000 0 0 /dev/sda5 swap swap sw 0 0 /dev/sda1 /media/sda1 ntfs nls=iso8859-1,ro,noauto,umask=000 0 0 /dev/sda2 /media/sda2 ntfs nls=iso8859-1,ro,noauto,umask=000 0 0 I checked my id using id and I've got dean@notebook:~$ id uid=1000(dean) gid=1000(dean) groups=4(adm),20(dialout),24(cdrom),46(plugdev),103(fuse),104(lpadmin),115(admin),120(sambashare),1000(dean) I don't know why with these settings I still have problem of using svn like in this one Thank you for your help!

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• Is a rubber keyboard suitable for heavy use?

  - by Vilx-

  Every keyboard wears out with time, and mine has some age already. The day it fails is coming closer and closer. So I'm slowly starting to look around for a new one. I use the keyboard for gaming and programming, so it gets some pretty solid use. I also tend to eat by the computer, so there's plenty of... uhh... lifeforms down there. Anyway, I was looking at these rubber keyboards. They come pretty cheap (my local computer shop has one for less than $20) and they seem to have some nice properties. They can be easily cleaned, they're quiet, and can be rolled up when needed (plus no worries about spilled drinks). However I'm wondering what their type-ability is. If I can't write on it at a decent speed, the rest of the features don't matter. Not that I'm a fast typer, but being a professional progammer does give a boost to the skill. I couldn't find any reviews on the net so I'm turning to you. Who has used these keyboards and what was your experience? Perhaps there is something else I haven't though of why such a keyboard would not be a good idea?

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• Bootable GRUB partition

  - by MA1

  I have a customized live fedora 12 USB which is working fine. What i want to do is to make a partition of my hard disk bootable so that my customized fedora can be run from hard disk. To accomplish this i did the following steps: Created a primary partition(/dev/sda2) and format it as ext3 and set it as active. Copy all the files in the live usb to /dev/sda2. Following are the live usb contents(all directories): a. boot b. EFI c. LiveOS d. syslinux Then i installed the GRUB in boot/grub Created the grub.conf in boot/grub Following are the contents of each directory in the USB: syslinux/ boot.cat isolinux.bin splash.jpg vesamenu.c32 initrd0.img ldlinux.sys syslinux.cfg vmlinuz0 LiveOS/ livecd-iso-to-disk osmin.img squashfs.img EFI/ boot/ boot.conf grub.conf boot.efi bootia32.conf bootia32.efi splash.jpg splash.xpm.gz vesamenu.c32 initrd0.img isolinux.bin isolinux.cfg vmlinuz0 boot/grub/ core GRUB files grub.conf olpc.fth Following are contents of grub.conf default=0 splashimage=/EFI/boot/splash.xpm.gz timeout 2 hiddenmenu title funLinux kernel /EFI/boot/vmlinuz0 root=live:LABEL=myFun rootfstype=auto ro liveimg quiet ssb.blacklist=1 selinux=0 vga=normal nomodeset rhgb initrd /EFI/boot/initrd0.img Now when i try to boot from the hard disk it shows the grub menu and fedora starting to load but during loading it said No root device found Boot has failed, sleeping forever So, where is the problem? what i am doing wrong?

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• Launching Installer Via Powershell and WinRM and Nothing Happens

  - by Nick DeMayo

  I'm currently working on a Powershell script to run some Microsoft Hotfix installers remotely on several Windows Server 2008 R2 servers that I manage. Basically, the script copies all the appropriate files up to the server, and then runs the installer via Invoke-Command, like so: function InstallCU { Write-Host "Installing June 2013 CU..." Invoke-Command -ComputerName $ServerName -ScriptBlock { Start-Process "c:\aaa\prjcusp2\ubersrvprj2010-kb2817530-fullfile-x64-glb.exe" -ArgumentList "/passive" } } If I run the "Start-Process" command locally on the server, the installer runs properly. However, when trying to run it remotely, nothing happens (actually, I can see the installer start up in Task Manager, but it closes a couple seconds later and doesn't run). I've attempted giving the Invoke-Command -Credentials, I've turned off UAC on the server, and I've ensured that my WinRM settings (running 'winrm quickconfig' and setting TrustedHosts to *) are correct. I've also tried having the Invoke-Command script run a local Powershell script to run the installer and changing the Argument from '/passive' to 'quiet' (in case it can't remotely launch something that has a UI), but again, no dice. Is there anything else I can try, or am I just not going to be able to do this?

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• Xen domU passwd file overwritten with console log output

  - by malfy

  I was setting up a Debian Xen domU and after booting it fine, I added basic configuration to /etc/network/interfaces and ran /etc/init.d/networking restart. This failed so I decided to reboot. After the reboot I also ran xm shutdown box. When dropped to a shell prompt it wouldn't let me login. Upon further inspection, I now have garbage in some critical files in /etc: root@box:/# tail +1 mnt/etc/{passwd-,shadow} tail: cannot open `+1' for reading: No such file or directory ==> mnt/etc/passwd- <== 0000000000100000 (reserved) Nov 23 02:02:39 box kernel: [ 0.000000] Xen: 0000000000100000 - 0000000004000000 (usable) Nov 23 02:02:39 box kernel: [ 0.000000] DMI not present or invalid. Nov 23 02:02:39 box kernel: [ 0.000000] last_pfn = 0x4000 max_arch_pfn = 0x1000000 Nov 23 02:02:39 box kernel: [ 0.000000] initial memory mapped : 0 - 033ff000 Nov 23 02:02:39 box kernel: [ 0.000000] init_memory_mapping: 0000000000000000-0000000004000000 Nov 23 02:02:39 box kernel: [ 0.000000] NX (Execute Disable) protection: active Nov 23 02:02:39 box kernel: [ 0.000000] 0000000000 - 0004000000 page 4k Nov 23 02:02:39 box kernel: [ 0.000000] kernel direct mapping tables up to 4000000 @ 7000-2c000 Nov 23 02:02:3 ==> mnt/etc/shadow <== 32 nr_cpumask_bits:32 nr_cpu_ids:1 nr_node_ids:1 Nov 23 02:02:39 box kernel: [ 0.000000] PERCPU: Embedded 15 pages/cpu @c15b0000 s37688 r0 d23752 u65536 Nov 23 02:02:39 box kernel: [ 0.000000] pcpu-alloc: s37688 r0 d23752 u65536 alloc=16*4096 Nov 23 02:02:39 box kernel: [ 0.000000] pcpu-alloc: [0] 0 Nov 23 02:02:39 box kernel: [ 0.000000] Xen: using vcpu_info placement Nov 23 02:02:39 box kernel: [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16160 Nov 23 02:02:39 box kernel: [ 0.000000] Kernel command line: root=/dev/mapper/xen-guest_root ro quiet root=/dev/xvda1 ro Nov 23 02:02:39 box kernel: [ 0.000000] PID hash table entries: The garbage is also present in the passwd file and the group file (although I didn't paste that above since I have since ran debootstrap on the filesystem again). Does anyone have any insight into what happened and why?

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• HAproxy with MySQL Master-Master Replication incredibly slow

  - by Yayap

  I have two MySQL servers in multi-master mode, with an HAproxy machine for simple load balancing/redundancy. When I am connected to one of the servers directly and try to update about 100,000 entries, it is completed including replication in about half a minute. When connecting through the proxy it takes usually over three whole minutes. Is it normal to have that type of latency? Is something amiss with my proxy configuration (included below)? This is getting really frustrating as I assumed the proxy would do some sort of load balancing, or at least have little to no overhead. #--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 # chroot /var/lib/haproxy # pidfile /var/run/haproxy.pid maxconn 4096 user haproxy group haproxy daemon #debug #quiet # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode tcp log global #option tcplog option dontlognull option tcp-smart-accept option tcp-smart-connect #option http-server-close #option forwardfor except 127.0.0.0/8 #option redispatch retries 3 #timeout http-request 10s #timeout queue 1m timeout connect 400 timeout client 500 timeout server 300 #timeout http-keep-alive 10s #timeout check 10s maxconn 2000 listen mysql-cluster 0.0.0.0:3306 mode tcp balance roundrobin option tcpka option httpchk server db01 192.168.15.118:3306 weight 1 inter 1s rise 1 fall 1 server db02 192.168.15.119:3306 weight 1 inter 1s rise 1 fall 1

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• Windows Media Center doesn't see my movies

  - by DrJekyll

  I am trying to configure my Windows Media Center (Windows 7 Ultimate). I selected folder with my movies and added it to the library, but when I went to the movies library, it says "There are no items in this library yet - Windows Media Center is searching for media files in the background...". I have all necessary codecs installed, Windows Media Player opens those movies correctly. When I right click on the file - Open with - Windows Media Center it also plays them without any problem. Any ideas why they don't appear in the libraries? Edit: Movies are coded with divx and xvid codecs and they have ".avi" extension. Windows doesn't have problems playing them. I told Media Center where the files are. I even pointed Windows Media Center to a folder with only one .avi file it still couldn't find anything there. (I have given it quiet some time, even though searching in the directory with only one file shouldn't take more than a few seconds.) When I add a folder with a lot of movies, I get a dialog box "You can wait while media is added or select OK to continue using Windows Media Center.".                                                                        At the end it says it added about 90 movies, but when I go to the libraries, it's still empty.

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