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  • No audio input deviced are installed

    - by Meowbits
    If I go to Sound Recording Devices and it says "No audio devices are installed" If I click to set up a microphone I get an error "Wizard could not launch, No audio input device found, make sure your audio hardware is working properly and check your audio configuration in the Audio Devices and Sound Themes control panel. Where can I get an audio input device? I just want something so I can actually use the microphone on my headset. This is ridiculous. I have tried to look for any file but I simply cannot find a way to add an audio input device... I really do not want to format my computer just for this problem but I am starting to feel like that is the only option I have. I have the latest chipsets

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  • DNS and RPC Unavailable

    - by Berek Bryan
    I have a server that is host a MSSQL database and some other server related tasks. The server communicaties with a large number of devices. The devices send data to the server. The communication links are down between the devices on the intranet and to the outside world. However it seems I can ping and can be pinged from machines on the same switch. This includes the DNS Servers. When I run, C:\ipconfig /registerdns I get RPC Server is Unavailable. So, it seems that the server can not verify the DNS server. Both DNS server are up and running. No other machines are affected on the network.

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  • Planning home network

    - by gakhov
    I'm planning to setup my home network from scratch and want to ask professional opinions or tips. My home is connected to Internet with a cable connection (100 Mb/s). The devices I would like to connect are VoIP phone (RJ-45), TV (WiFi/LAN), 3 laptops (WiFi), 2 smartphones (WiFi), an iPad (WiFi), a Kindle (WiFi), a network printer and, probably, a home media storage (WiFi/LAN). As you can see, the most load will be on WiFi connections (probably, even if TV supports WiFi it's better to connect it by LAN?). So, I need help to choose the best router (or combination of routers) to support stable connections for all these devices and minimize the total number of routers/adapters. I like how Cisco/Linksys devices were working for me in the past, so preferably (but not obligatorily) I want to setup network with their solutions. Any thoughts?

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  • How to find ip address of my Asus RT-AC86U in Access Point mode?

    - by WilliamKF
    I'm using an Asus wireless router model RT-AC68U and can connect fine to the internet using it wirelessly. I configured the router to be an Access Point, but having done so, I can no longer locate the GUI to adjust the router as I have no idea what its IP Address is anymore. The router is plugged into a cable modem and router which is a model SMCD3G is a business class gateway labeled Comcast Business IP Gateway. This gateway is assigning ip addresses in the range 10.1.10.XX and I went to the web interface at 10.1.10.1 and listed the connected devices and see my laptop which is connected to the Asus access point along with a few other devices, but none of the devices listed are the Asus router (I tried all the six ip addresses listed). How can I determine the IP Address of my Asus router in access point mode so I can see the GUI interface again to control the router other than by doing a factory reset?

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  • Split internal USB pinouts - is it possible?

    - by TM
    I've currently got a situation in my PC where I have 3 devices that connect to the motherboard via the onboard USB pinouts. The problem is, I only have two sets of USB pinouts on my motherboard. Is there any way of connecting two devices to one set of pinouts? Essentially, I'm looking for the functionality of a USB hub, but I'd like it to be inside the case, and provide pinouts rather than regular USB ports. Update: I don't need any more USB ports, I have devices that use the USB pinouts. I already have extra USB ports that aren't used, so adding an PCI USB card doesn't really help anything.

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  • Build and migrated to software raid (mdadm) on GPT disk, now can't assemble array

    - by John H
    mdadm, gpt issues, unrecognized partitions. Simplified question: How do I get mdadm to recognize GPT partitions? I have been attempting to convert/copy my Ubuntu 11.10 OS from a single drive to software raid 1. I have done similar in the past, but in this case, I was adding in a drive that has been configured for GPT and I tried to work with that without fully looking into the implications. Currently, I have a non-booting mdadm RAID 1 array of /dev/md127 (the OS assigned that and it keeps picking up). I am booting off of live USB keys, currently System Rescue CD from sysresccd. While gdisk and parted can see all the partitions, most of the OS utilities do not, including mdadm. My main goal is just to make the raid array accessible so I can get pull the data and start fresh (without using GPT). /dev/md127 /dev/sda /dev/sda1 <- GPT type partition /dev/sda1 <- exists within the GPT part, member of md127 /dev/sda2 <- exists within the GPT part, empty /dev/sdb /dev/sdb1 <- GPT type partition /dev/sdb1 <- exists within the GPT part, member of md127 History: POINT A: The original OS was install on sda (actually /dev/sda6). I used a the Ubuntu live usb to add sdb. I got warning from fdisk about GPT so I used gdisk to create a raid partition (sdb1) and mdadm to create a raid1 mirror with a missing drive. I had many issues getting this working (including being unable to get grub to install) but I eventually got it to boot using grub on sda and /dev/md127 off of sdb. So at point A, I had copied my OS from sda6 to md127 on sdb. I then booted into a rescue mode and attempted to get a bootloader onto sdb, which failed. I then discovered my mistake: I had installed the raid onto sdb instead of sdb1, essentially overwriting the sdb1 partition. POINT B: I now had two copies of my data- one on md127/sdb, and one on sda. I destroyed data on sda and created a new GPT table on sda. I then created sda1 for the raid array, and sda2 for a scratch partition. I added sda1 into the raid array and let it rebuild. md127 now covered /dev/sdb and /dev/sda1 as fully active and synced. POINT C: I rebooted onto linux rescue again and was still able to access the raid array. I then removed /dev/sdb from the array and created /dev/sdb1 for the raid. I added sdb1 to the array and let it sync. I was able to mount and access /dev/md127 without issues. Once it completed, both /dev/sda1 and /dev/sdb1 were GPT partitions and actively syncing. POINT D (current): I rebooted again to test if the array would boot and grub failed to load. I booted off of my live thumb drive and found that I can no longer assemble the raid array. mdadm doesn't see the required partitions. -- root@freshdesk /root % uname -a Linux freshdesk 3.0.24-std251-amd64 #2 SMP Sat Mar 17 12:08:55 UTC 2012 x86_64 AMD Athlon(tm) II X4 645 Processor AuthenticAMD GNU/Linux === /proc/partitions and parted look good: root@freshdesk /root % cat /proc/partitions major minor #blocks name 7 0 301788 loop0 8 0 976762584 sda 8 1 732579840 sda1 8 2 244181703 sda2 8 16 732574584 sdb 8 17 732573543 sdb1 8 32 7876607 sdc 8 33 7873349 sdc1 (parted) print all Model: ATA ST31000528AS (scsi) Disk /dev/sda: 1000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 2 750GB 1000GB 250GB Linux/Windows data Model: ATA SAMSUNG HD753LJ (scsi) Disk /dev/sdb: 750GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 Linux RAID raid Model: SanDisk SanDisk Cruzer (scsi) Disk /dev/sdc: 8066MB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 31.7kB 8062MB 8062MB primary fat32 boot, lba === # no sda2, and I double the sdb1 is the one shown in parted root@freshdesk /root % blkid /dev/loop0: TYPE="squashfs" /dev/sda1: UUID="75dd6c2d-f0a8-4302-9da4-792cc7d72355" TYPE="ext4" /dev/sdc1: LABEL="PENDRIVE" UUID="1102-3720" TYPE="vfat" /dev/sdb1: UUID="2dd89f15-65bb-ff88-e368-bf24bd0fce41" TYPE="linux_raid_member" root@freshdesk /root % mdadm -E /dev/sda1 mdadm: No md superblock detected on /dev/sda1. # this is probably a result of me attempting to force the array up, putting superblocks on the GPT partition root@freshdesk /root % mdadm -E /dev/sdb1 /dev/sdb1: Magic : a92b4efc Version : 0.90.00 UUID : 2dd89f15:65bbff88:e368bf24:bd0fce41 Creation Time : Fri Mar 30 19:25:30 2012 Raid Level : raid1 Used Dev Size : 732568320 (698.63 GiB 750.15 GB) Array Size : 732568320 (698.63 GiB 750.15 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 127 Update Time : Sat Mar 31 12:39:38 2012 State : clean Active Devices : 1 Working Devices : 2 Failed Devices : 1 Spare Devices : 1 Checksum : a7d038b3 - correct Events : 20195 Number Major Minor RaidDevice State this 2 8 17 2 spare /dev/sdb1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed 2 2 8 17 2 spare /dev/sdb1 === root@freshdesk /root % mdadm -A /dev/md127 /dev/sda1 /dev/sdb1 mdadm: no recogniseable superblock on /dev/sda1 mdadm: /dev/sda1 has no superblock - assembly aborted root@freshdesk /root % mdadm -A /dev/md127 /dev/sdb1 mdadm: cannot open device /dev/sdb1: Device or resource busy mdadm: /dev/sdb1 has no superblock - assembly aborted

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  • How do I access an Ubuntu VirtualBox guest at a static IP from an OS X host?

    - by David Siegel
    How does one configure an Ubuntu guest to use a static IP that's visible to an OS X host, and ensure that the static IP is independent of the host's network configuration? I previously used bridged networking for my guest, but I'm constantly moving my host between networks so the guest IP is always different. First, I tried setting the guest network configuration to NAT and forwarding host port 1022 to guest port 22, so I could at least ssh to a fixed address (localhost:1022): $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/Protocol" "TCP" $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/GuestPort" 22 $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/HostPort" 1022 Then, $ ssh localhost -p 1022 ssh: connect to host localhost port 1022: Connection refused But this didn't work (guest has no network access with NAT and OS X refused the connection, as you can see). I'd love a general solution that would let me communicate with my guest at a fixed IP.

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  • SonicWall HA "gotchas"?

    - by Mark Henderson
    We're looking to move away from PFSense and CARP to a pair of SonicWall NSA 24001 configured in Active/Passive for High Availability. I've never dealt with SonicWall before, so is there anything I should know that their sales guy won't tell me? I'm aware that they had an issue with a lot of their devices shutting down connectivity because of a licensing fault, and they have an overtly complex management GUI (on the older devices at least), but are there any other big "gotchas" that I need to be aware of before committing a not insubstantial amount of money towards these devices? 1If you're outside the US, the SonicWall global sites suck balls. Use the US site for all your product research, and then use your local site when you're after local information.

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  • Iphone 3GS to laptop Syncing

    - by Chris
    I use my Iphone calender to store all my appointments and customer information etc rather than my Outlook calender on my laptop most of the time. To the best of my knowledge I have never lost any info before, but after syncing the two devices today my calender is now empty on both. I had thought that syncing would mean taking the information on both devices, amalgamating it and populating both devices with the same info? Two questions: a) Is there anyway of retrieving the lost information? (or am I sunk?) b) Is there any way of averting such disaster in the future? Whilst I suspect that "Read the manual - Idiot!" would be the correct response, any help really is greatly appreciated!

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  • logitech unifying receiver

    - by Plastkort
    hi! I am having multiple logitech devices, and each and one of them seem to have theire own receiver, occupying USB ports.. I read upon Logitech unifying receiver, and it seem to connect multiple wireless devices from logitech, however I wonder if I just buy this one receiver, will I be able to connect my existing wireless devices, or will I be forced to buy new keyboard and mouse in order to use the unifying receiver? hope anyone here have the answer so I dont need to spend money on something I cannot use.. :) I got PC 1 Logitech Dinovo Edge keyboard Logitech MX Air mouse PC 2 Logitech Dinovo Keyboard Logitech VX mouse

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  • Reshape linux md raid5 that is already being reshaped?

    - by smammy
    I just converted my RAID1 array to a RAID5 array and added a third disk to it. I'd like to add a fourth disk without waiting fourteen hours for the first reshape to complete. I just did this: mdadm /dev/md0 --add /dev/sdf1 mdadm --grow /dev/md0 --raid-devices=3 --backup-file=/root/md0_n3.bak The entry in /proc/mdstat looks like this: md0 : active raid5 sdf1[2] sda1[0] sdb1[1] 976759936 blocks super 0.91 level 5, 64k chunk, algorithm 2 [3/3] [UUU] [>....................] reshape = 1.8% (18162944/976759936) finish=834.3min speed=19132K/sec Now I'd like to do this: mdadm /dev/md0 --add /dev/sdd1 mdadm --grow /dev/md0 --raid-devices=4 --backup-file=/root/md8_n4.bak Is this safe, or do I have to wait for the first reshape operation to complete? P.S.: I know I should have added both disks first, and then reshaped from 2 to 4 devices, but it's a little late for that.

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  • How do I access an Ubuntu VirtualBox guest at a static IP from an OS X host?

    - by David Siegel
    How does one configure an Ubuntu guest to use a static IP that's visible to an OS X host, and ensure that the static IP is independent of the host's network configuration? I previously used bridged networking for my guest, but I'm constantly moving my host between networks so the guest IP is always different. First, I tried setting the guest network configuration to NAT and forwarding host port 1022 to guest port 22, so I could at least ssh to a fixed address (localhost:1022): $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/Protocol" "TCP" $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/GuestPort" 22 $ VBoxManage setextradata "Ubuntu Server" "VBoxInternal/Devices/e1000/0/LUN#0/Config/SSH/HostPort" 1022 Then, $ ssh localhost -p 1022 ssh: connect to host localhost port 1022: Connection refused But this didn't work (guest has no network access with NAT and OS X refused the connection, as you can see). I'd love a general solution that would let me communicate with my guest at a fixed IP.

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  • VirtualBox Port Fowarding to Connect to PostgreSQL Database

    - by kliao
    I'm trying to connect to a PostgreSQL database hosted on a Win7 guest from a Win7 host. I've configured security in pg_hba.conf host all all 127.0.0.1/32 md5 host all all 10.0.2.15/32 md5 host all all 192.168.1.6/32 md5 and set the listen_addresses setting in postgresql.conf to '*'. I think I've set up port forwarding correctly as I see: Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/GuestPort, Value: 5432 Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/HostPort, Value: 5432 Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/Protocol, Value: TCP when I call getextradata. This is similar to http://serverfault.com/questions/106168/cant-connect-to-postgresql-on-virtualbox-guest but I'm not sure what I'm doing wrong. In the vbox.log file I see: 00:00:01.019 NAT: set redirect TCP host port 5432 = guest port 5432 @ 10.0.2.15 00:00:01.033 NAT: failed to redirect TCP 5432 = 5432 but I'm not sure how to fix that. Any ideas? Thanks.

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  • Inbound connections using Internet Connection Sharing in Apple/Mac/Leopard

    - by tlianza
    I have a Mac mini which I'm using to give some other devices wireless access, by sharing it's Airport connection with the local ethernet, and that is plugged into a switch. All devices can get online no problem. (See how: http://www.macosxhints.com/article.php?story=20041112101646643 and http://www.macosxhints.com/article.php?story=20071223001432304 ) The issue is that I need to be able to connect in to these machines as well (at least, for the Slingbox to work). All the devices have 192.168.2.* addresses, and the rest of my local network is on 192.168.1.*. I tried setting a static route so that the 192.168.2.* addresses would use a gateway of 192.168.1.50 (my mac mini's address) but that didn't seem to help. Does anyone know if what I'm trying to do is possible? I admit I'm not certain what Internet Connection sharing is really doing under the hood... perhaps it just does basic nat, and doesn't do the type of routing I'm looking for. If so, anyone know if this is possible?

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  • What does an ACPI BIOS configure during boot?

    - by RJSmith92
    When a PC boots with an ACPI BIOS, what does it exactly do? I understand that the point of ACPI is to allow the OS to control hardware resources and power management but before the OS is loaded does ACPI configure just the devices needed to boot and then let the OS configure the rest? If the OS wants to re-asign hardware resources does it store this information in the ACPI tables so that the next time the system is booted it assigns them how the OS wants? The ACPI driver asks the PCI bus driver (Pci.sys) to enumerate devices on it's bus once the OS is loaded, how are these devices configured whilst the PC is booting when it doesn't have other bus drivers? Any help with any of the above questions would be greatly appreciated. Thanks.

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  • Microsoft CALs for Domain Controller

    - by Damo
    I am designing a network and I've come to the point of specifying out the number of CALs required for this network. Microsoft licensing has always confused me, it's just not always clear to me. I plan to have 1 2008 std domain controller, another 2008 server (not a domain controller) and 200 Windows 7 devices connected to the domain for domain services. The 200 W7 devices will all authenticate to the domain controller with the same domain account. (this is a special type of network, not a user workstation network) Therefore, do I need to purchase 200 CALS for the 200 devices, or can I purchase say 10 CALS (user CALS) as the amount of unique user accounts is very low. Many thanks for looking.

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  • Is it possible to push DNS search suffices from DNS server to client?

    - by Mark
    Our (active directory, windows-server-based) intranet used to be called "intranet", and DNS worked fine for windows machines and iPads/Android devices. We have changed it to be "apps.intranet", and it still works for windows machines, but no longer for iPads/Android devices. I think this is because out windows clients are configured to append .company.com when searching DNS, to make it a fully qualified lookup (this search suffix list is pushed to the PCs via AD group policies). I must admit, though, I don't know why it worked with just "intranet"! Does anyone know if it's possible to get DNS to "tell" the iPads/Android devices to append .company.com ... or how we can make it work some other way (but still using the multi-label, non-qualified DNS names) ? Thanks!

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  • Why are the external IP of my router not the same as the external IP of my computer

    - by Martin
    I have a standard network setup where all my network devices, both WIFI and ethernet, are connected to the same router. Lately, however, I've been experiencing some very strange behavior. It started as a simple connecting error, when I tried to reach an FTP server using the external IP. Of course I went right into one of those CheckMyIP sites, to double check the IP and it turned out to be correct. Then I went into my router setup, which is through a tool called aiport-tool, because I have an Apple Aiport Extreme router. Turns out the router displays a different external IP, and for some reason that external IP works when I try to access the FTP server. Can anyone explain what is going on? Why are the devices connected to the router displaying an incorrect external IP? BTW i have no VPN/proxy setups on any of my devices.

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  • How to tell if my sound card is listed in Device Manager?

    - by Bruhan
    The sound on my computer suddenly stopped working. When I check Sounds and Audio Devices in the Control Panel, I get "No Audio Device" with everything grayed out. When I check the Device Manager under "Sound, video and game controllers" I see the following list: Audio Codecs Legacy Audio Drivers Legacy Video Capture Devices Media Control Devices MPU-401 Compatible MIDI Device Standard Game Port Video Codecs None of these looks like my sound card. Of course, my sound "card" is not really a sound card, it's integrated with the nVidia-nForce motherboard. I'm running Windows XP. So is one of the above my sound device, or is the OS not detecting it? If the latter, how do I get it to detect it?

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  • How to duplicate a backup set from one media server to another

    - by MathematicalOrchid
    I really honestly can't figure out how to do this. It's easy enough to open Backup Exec and tell it to duplicate the data on one local device onto another local device. What I cannot figure out how to do is make it duplicate data from one local device to a remote device. I can connect to the remote BE server, but then I can only access the remove devices. I can connect to the local BE server, but then I can only access the local devices. I can't figure out how the heck to get access to both local and remove devices simultaneously. Symantec Backup Exec 12.5 for Windows, in case it matters.

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  • Is rsync corrupting my RAR?

    - by Mark Henderson
    We have two qnap devices - one in our datacentre and one off-site. We have hundreds of password protected RAR files stored on the qnap that contain virtual machine image snapshots, with approx 20 of them being created each day. We synchronise the two devices using rsync, and it looks like all the files are being rsynced OK - they come over and have the same file size and all the files are present and accounted for. However, when I try to open the RAR files on the remote site, I get Cannot open \\qnap01\FromDatacentre\Snapshots\DB001SQL1-20110626.rar I can open the RAR files on the local site just fine, so I assume that something is getting mangled during the rsync procedure. However, the older files (pre 2011-06-20) work just fine, it's something that's only started happening in the last week. There haven't been (as far as I know) any changes to any of the devices, setup or configuration in that time. Obviously something has changed though. Where should I start investigating?

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  • Netgear WNDR3700 2.4GHz and 5GHz Wi-Fi are segregated

    - by Tim Sullivan
    I have a Netgear WNDR3700 with both the 2.4GHz (B/G/N) and 5GHz (A/N) broadcasting. I'd assumed that devices connecting on either channel would work together without issues, but there are some devices (such as my iPhone 4 or HP wireless printer) that will only connect at 2.4GHz, and some that connect at 5GHz. However, it seems that they're segregated on the network, so a computer at 5GHz can't print to the printer, but the iPhone can. This is causing issues not just with printing, but with AppleTV and so on. Is there a way to have the router let these devices all talk to each other?

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  • How to set up VLAN network

    - by Paddington
    I'm changing my network from having every device on flat network to using VLans. My problem is that we already have a lot of devices on this network(192.168.20.0/24). From theory, I read that each Vlan has to be a different subnet and then I need to configure virtual interfaces on my Cisco router to cater for inter vlan routing. 1) How can I segment this network with minimum down time on the devices already on the network? 2) Can I just create Vlans and leave all these Vlans in the same layer 3 network so that they can go out of the network (I am not too concerned about inter-Vlan routing) or I have to create subnets which means reconfiguring the existing devices (something I do not want).

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  • Mirror network packets from WiFi to Ethernet in an ASUS Router RT N53

    - by fazineroso
    I have an ASUS RT N53 router, running the default firmware (Linux 2.6.22 with busybox and uclibc). I need to capture data packets from some Wi-Fi devices I have connected to that router (iPad and some smartphones), but the router is not forwarding any package coming from Wi-Fi devices to the Ethernet Ports. Any idea how can I proceed? Available tools in the router are iptables (no tee option, though), ebtables, brctl... Currently the ethernet and Wifi devices are forming a bridge: # brctl show bridge name bridge id STP enabled interfaces br0 8000.50465dc06be2 no vlan0 eth1 No ebtables rules: # ebtables -L Bridge table: filter Bridge chain: INPUT, entries: 0, policy: ACCEPT Bridge chain: FORWARD, entries: 0, policy: ACCEPT Bridge chain: OUTPUT, entries: 0, policy: ACCEPT

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  • Raid1+0: create stripe over two /dev/mdx on partition or not?

    - by Chris
    Given that I haven't found a way to define how a Raid10 is created with mdadm, i went the Raid1+0 solution. How to display/define Mirror/Stripping pairs with mdadm mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdf1 mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sdg1 /dev/sdh1 mdadm --create /dev/md10 --level=0 --raid-devices=2 /dev/md0 /dev/md1 My question is about the stripe. For the mirror I create a primary partition over the full HD and set partition type to FD. So, should I do the same for the Stripe? Create partition on /dev/md0 and /dev/md1 (primary over full 'HDD', set partition type correctly) and then do the stripe on the partition? Is there a correct way here or are there any advantages/disadvantages to a solution? Thank you

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