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• Realtek HD Audio 5.1 Optical Input (from Xbox 360)

  - by Shevek

  I'm trying to connect up my Xbox 360 digital audio to my 5.1 speakers via my PC (my LCD has dual input, DVI for the PC, D-SUB for the Xbox). The motherboard has a Realtek ALC888 chipset and I have a 5.1 speaker system connected via 3 x 3.5mm jacks (FR/FL, RR/RL, C/LFE) and I get full 5.1 output from the PC. I have connected the optical audio cable from the Xbox to the Optical In on the motherboard's backplate. With the Xbox in Digital Stereo mode I get 2 channel audio from the Xbox, through the PC, to the speakers. With the Xbox in Dolby Digital 5.1 mode I get no sound at all. I have the latest Realtek drivers installed in Win 7 32-bit. Questions: Is it possible to use the full 5.1 DD from the Xbox? If so, am I missing some option(s) in the Realtek setup? Do I need some other piece of software to do this? (AC3Filter or FFDShow perhaps) Many thanks

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• Centos 6.3 vsftp unable to upload file to apache webserver

  - by user148648

  I am new to Centos, I did work with Sun Solaris and upload files to Apache web server before. I create an end user account and manage to ftp using command prompt to the server, error message is '226 Transfer Done (but failed to open directory). Content of my vsftpd.conf as below # Example config file /etc/vsftpd/vsftpd.conf # # The default compiled in settings are fairly paranoid. This sample file # loosens things up a bit, to make the ftp daemon more usable. # Please see vsftpd.conf.5 for all compiled in defaults. # # READ THIS: This example file is NOT an exhaustive list of vsftpd options. # Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's # capabilities. # # Allow anonymous FTP? (Beware - allowed by default if you comment this out). anonymous_enable=YES # ** may need to comment it back # # Uncomment this to allow local users to log in. local_enable=YES # # Uncomment this to enable any form of FTP write command. write_enable=YES # # Default umask for local users is 077. You may wish to change this to 022, # if your users expect that (022 is used by most other ftpd's) #local_umask=022 local_umask=077 # # Uncomment this to allow the anonymous FTP user to upload files. This only # has an effect if the above global write enable is activated. Also, you will # obviously need to create a directory writable by the FTP user. anon_upload_enable=YES # *** maybe to comment it back!!! # # Uncomment this if you want the anonymous FTP user to be able to create # new directories. anon_mkdir_write_enable=YES # ** may need to comment it back!!! # # Activate directory messages - messages given to remote users when they # go into a certain directory. dirmessage_enable=YES # # The target log file can be vsftpd_log_file or xferlog_file. # This depends on setting xferlog_std_format parameter xferlog_enable=YES # # Make sure PORT transfer connections originate from port 20 (ftp-data). connect_from_port_20=YES # # If you want, you can arrange for uploaded anonymous files to be owned by # a different user. Note! Using "root" for uploaded files is not # recommended! #chown_uploads=YES #chown_username=whoever # # The name of log file when xferlog_enable=YES and xferlog_std_format=YES # WARNING - changing this filename affects /etc/logrotate.d/vsftpd.log xferlog_file=/var/log/xferlog # # Switches between logging into vsftpd_log_file and xferlog_file files. # NO writes to vsftpd_log_file, YES to xferlog_file xferlog_std_format=YES # # You may change the default value for timing out an idle session. #idle_session_timeout=600 # # You may change the default value for timing out a data connection. #data_connection_timeout=120 # # It is recommended that you define on your system a unique user which the # ftp server can use as a totally isolated and unprivileged user. #nopriv_user=ftpsecure # # Enable this and the server will recognise asynchronous ABOR requests. Not # recommended for security (the code is non-trivial). Not enabling it, # however, may confuse older FTP clients. #async_abor_enable=YES # # By default the server will pretend to allow ASCII mode but in fact ignore # the request. Turn on the below options to have the server actually do ASCII # mangling on files when in ASCII mode. # Beware that on some FTP servers, ASCII support allows a denial of service # attack (DoS) via the command "SIZE /big/file" in ASCII mode. vsftpd # predicted this attack and has always been safe, reporting the size of the # raw file. # ASCII mangling is a horrible feature of the protocol. ascii_upload_enable=YES ascii_download_enable=YES # # You may fully customise the login banner string: ftpd_banner=Warning, only for authorize login. # # You may specify a file of disallowed anonymous e-mail addresses. Apparently # useful for combatting certain DoS attacks. #deny_email_enable=YES # (default follows) #banned_email_file=/etc/vsftpd/banned_emails # # You may specify an explicit list of local users to chroot() to their home # directory. If chroot_local_user is YES, then this list becomes a list of # users to NOT chroot(). chroot_local_user=YES chroot_list_enable=YES # (default follows) #chroot_list_file=/etc/vsftpd/chroot_list local_root=/var/www # # You may activate the "-R" option to the builtin ls. This is disabled by # default to avoid remote users being able to cause excessive I/O on large # sites. However, some broken FTP clients such as "ncftp" and "mirror" assume # the presence of the "-R" option, so there is a strong case for enabling it. ls_recurse_enable=YES # # When "listen" directive is enabled, vsftpd runs in standalone mode and # listens on IPv4 sockets. This directive cannot be used in conjunction # with the listen_ipv6 directive. listen=YES # # This directive enables listening on IPv6 sockets. To listen on IPv4 and IPv6 # sockets, you must run two copies of vsftpd with two configuration files. # Make sure, that one of the listen options is commented !! #listen_ipv6=YES pam_service_name=vsftpd userlist_enable=YES tcp_wrappers=YES

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• KVM machine does not start ssh, network is started, used to work

  - by lleto

  have been searching an pulling my hear out for the last 6 hours. I have a virtual machine that has been running fine for the last six months. I was happy ssh'ing into it and it was running a database and some small apps. Tonight ssh stopped working, so I decided to reboot the machine. I now have the following situation: virsh list --all states machine as running I can ping the machine and get a reply When I ssh to the machine I see "ssh: connect to host [myserver] port 22: Connection refused" nmap does not show port 22 as open I have tried to: - reboot the machine once more (no luck) - mount the filesystem and check /etc/ssh/sshd.conf (has not changed since working situation) - install virsh console, however this does not seem to work When I mount the fs directly using losetup the strange thing is that file dates seem to be frozen in /var/log/ around the time of the crash. If I look in /var/run/ I can see an sshd.pid, but the time is 6 hours ago (and numerous reboots). My virsh xml looks like this: <domain type='kvm' id='21'> <name>myserver</name> <uuid>09678c8d-a99b-1d18-a7af-88d027cc8f93</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-1.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/dev/disk01/myserver'/> <target dev='hda' bus='ide'/> <alias name='ide0-0-0'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <controller type='ide' index='0'> <alias name='ide0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:e3:13:86'/> <source bridge='br0'/> <target dev='vnet0'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/1'> <source path='/dev/pts/1'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'> <listen type='address' address='127.0.0.1'/> </graphics> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> <seclabel type='dynamic' model='apparmor' relabel='yes'> <label>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</label> <imagelabel>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</imagelabel> </seclabel> </domain> I'm sort of lost as to where I can look to get the machine up and running again. On the same instance of kvm I have another server running which is working fine. Both are Ubuntu 12.04. All help is welcome....

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• Proper network configuration for a KVM guest to be on the same networks at the host

  - by Steve Madsen

  I am running a Debian Linux server on Lenny. Within it, I am running another Lenny instance using KVM. Both servers are externally available, with public IPs, as well as a second interface with private IPs for the LAN. Everything works fine, except the VM sees all network traffic as originating from the host server. I suspect this might have something to do with the iptables-based firewall I'm running on the host. What I'd like to figure out is: how to I properly configure the host's networking such that all of these requirements are met? Both host and VMs have 2 network interfaces (public and private). Both host and VMs can be independently firewalled. Ideally, VM traffic does not have to traverse the host firewall. VMs see real remote IP addresses, not the host's. Currently, the host's network interfaces are configured as bridges. eth0 and eth1 do not have IP addresses assigned to them, but br0 and br1 do. /etc/network/interfaces on the host: # The primary network interface auto br1 iface br1 inet static address 24.123.138.34 netmask 255.255.255.248 network 24.123.138.32 broadcast 24.123.138.39 gateway 24.123.138.33 bridge_ports eth1 bridge_stp off auto br1:0 iface br1:0 inet static address 24.123.138.36 netmask 255.255.255.248 network 24.123.138.32 broadcast 24.123.138.39 # Internal network auto br0 iface br0 inet static address 192.168.1.1 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 bridge_ports eth0 bridge_stp off This is the libvirt/qemu configuration file for the VM: <domain type='kvm'> <name>apps</name> <uuid>636b6620-0949-bc88-3197-37153b88772e</uuid> <memory>393216</memory> <currentMemory>393216</currentMemory> <vcpu>1</vcpu> <os> <type arch='i686' machine='pc'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <pae/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='cdrom'> <target dev='hdc' bus='ide'/> <readonly/> </disk> <disk type='file' device='disk'> <source file='/raid/kvm-images/apps.qcow2'/> <target dev='vda' bus='virtio'/> </disk> <interface type='bridge'> <mac address='54:52:00:27:5e:02'/> <source bridge='br0'/> <model type='virtio'/> </interface> <interface type='bridge'> <mac address='54:52:00:40:cc:7f'/> <source bridge='br1'/> <model type='virtio'/> </interface> <serial type='pty'> <target port='0'/> </serial> <console type='pty'> <target port='0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/> </devices> </domain> Along with the rest of my firewall rules, the firewalling script includes this command to pass packets destined for a KVM guest: # Allow bridged packets to pass (for KVM guests). iptables -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT (Not applicable to this question, but a side-effect of my bridging configuration appears to be that I can't ever shut down cleanly. The kernel eventually tells me "unregister_netdevice: waiting for br1 to become free" and I have to hard reset the system. Maybe a sign I've done something dumb?)

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• Windows 8 - can't drag files from Explorer and drop on applications

  - by FerretallicA

  In Windows 8 I find I can't drag files to applications like I've been able to do for as long as I can remember. Example: Drag MP3s to Winamp Drag folder full of music to Winamp Drag videos to VLC Drag txt, reg etc files to Notepad I have tried various combinations of: Running Explorer as administrator Running drop target as administrator Taking ownership of drop target application's folder Taking ownership of Explorer Changing user account to administrator Create a new user account Lowering UAC level Disabling UAC in GUI Disabling UAC in registry Running Explorer folders in a separate thread This is the last straw if there's no known proper (ie non hacky compromise) fix for this. "Little" things like this combined are a productivity nightmare and if I have to relearn so much and configure so much to get basic things done with an OS I might as well just move to Linux once and for all.

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• Open ports broken from internal network

  - by ksvi

  Quick summary: Forwarded port works from the outside world, but from the internal network using the external IP the connection is refused. This is a simplified situation to make the explanation easier: I have a computer that is running a service on port 12345. This computer has an internal IP 192.168.1.100 and is connected directly to a modem/router which has internal IP 192.168.1.1 and external (public, static) IP 1.2.3.4. (The router is TP-LINK TD-w8960N) I have set up port forwarding (virtual server) at port 12345 to go to port 12345 at 192.168.1.100. If I run telnet 192.168.1.100 12345 from the same computer everything works. But running telnet 1.2.3.4 12345 says connection refused. If I do this on another computer (on the same internal network, connected to the router) the same thing happens. This would seem like the port forwarding is not working. However... If I run a online port checking service on my external IP and the service port it says the port is open and I can see the remote server connecting and immediately closing connection. And using another computer that is connected to the internet using a mobile connection I can also use telnet 1.2.3.4 12345 and I get a working connection. So the port forwarding seems to be working, however using external IP from the internal network doesn't. I have no idea what can be causing this, since another setup very much like this (different router) works for me. I can access a service running on a server from inside the network both through the internal and external IP. Note: I know I could just use the internal IP inside of the network to access this service. But if I have a laptop that must be able to do this both from inside and outside it would be annoying to constantly switch between 1.2.3.4 and 192.168.1.100 in the software configuration. Router output: > iptables -t nat -L -n Chain PREROUTING (policy ACCEPT) target prot opt source destination ACCEPT all -- 0.0.0.0/0 224.0.0.0/3 DNAT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:25 to:192.168.1.101 DNAT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:25 to:192.168.1.101 DNAT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:110 to:192.168.1.101 DNAT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:12345 to:192.168.1.102 DNAT udp -- 0.0.0.0/0 192.168.1.1 udp dpt:53 to:217.118.96.203 Chain POSTROUTING (policy ACCEPT) target prot opt source destination MASQUERADE all -- 192.168.1.0/24 0.0.0.0/0 Chain OUTPUT (policy ACCEPT) target prot opt source destination

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• Cloning single disk drive to multiple drives simultaneously

  - by mr.b

  Hi, I am looking for a way to clone single disk drive to more than one disk drive at the same time. I have prepared system images on 1TB disks, and it takes almost 2 hours to clone one disk to another, and then it goes up exponentially, in order to have say 30 disks cloned. If it was possible to clone one disk to more than single target, it would simplify whole procedure a lot. Also, is there something that prevents this kind of operation? I mean, is there some special reason why every disk cloning software that I know about supports only single target drive? Thanks! P.S. This question is cross-post from superuser, I hope nobody minds.

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• Cloning single disk drive to multiple drives simultaneously

  - by mr.b

  Hi, I am looking for a way to clone single disk drive to more than one disk drive at the same time. I have prepared system images on 1TB disks, and it takes almost 2 hours to clone one disk to another, and then it goes up exponentially, in order to have say 30 disks cloned. If it was possible to clone one disk to more than single target, it would simplify whole procedure a lot. Also, is there something that prevents this kind of operation? I mean, is there some special reason why every disk cloning software that I know about supports only single target drive? Thanks!

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• Linux Flash Player with 2 Monitors: always full-screen on primary monitor

  - by CarlF

  My setup at home uses a laptop, with a larger external monitor in addition to the built-in LCD panel, which is primary. I can see the larger monitor from the rest of the room and use it as my TV, for playing DVDs and various types of web video. However, it isn't ideal for Flash video. For instance, if I watch a video from Hulu or any other Flash-based site, I can expand it to full-screen mode. However, no matter which monitor the browser window is on, the full-screen mode is always on the laptop LCD panel, which is both too small and not visible from most of the room. Does anyone know of a way to force the Flash video to play full-screen on the monitor I select instead of the primary? My video chipset is NVidia, using kernel 2.6.31 (Ubuntu). Thanks.

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• Which PHP accelerator to use with prefork mpm (CentOS and RedHat default httpd settings)

  - by FractalizeR

  Hello. As you know, even if it is possible to start httpd in worker mode under CentOS/RedHat, php in default rpm repo is not thread-safe. And the default configuration for stability is mpm_prefork. So, two questions: Is there PHP accelerator capable of working in mpm_prefork mode (using shm or whatever)? If there is none, what can be done to improve PHP speed on CentOS/RedHat systems (I want to use rpms, preferably from default CentOS repo; building custom PHP from source code is not a good option for me)

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• Force the computer to always use current display settings

  - by sazpaz

  So I'm having a terrible black screen problem with my new installation of Windows 8. The screen basically goes to black every time I turn it on or sleep, or connect to an external or monitor. I dont really know what steps actually cause the problem and cant seem to figure what steps allow the screen to come back, besides forcing restarts, going to sleep and waking up, and smashing Win + P. I have a strong feeling it's because the Switchable graphics I have (Intel HD + Radeon 5060), so I'm looking for a way to make the computer always use a specified mode (i.e the current mode I'm on, that does show stuff on the screen) and force it to use it everytime? Any ideas? EDIT: I've Installed all the latest drivers I've found. Tried most of the solutions around the web for this problem. Updated the BIOS to UEFI (from HP Support Assistant), etc. Laptop is an HP- Envy 14

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• Getting "GRUB loading ... no such partition"?

  - by shameedp

  I am having a dual os, windows 7 and linux, the c drive have 20 GB, in which 5 GB is allocated for windows 7 (original) and 15 gb for linux since the spacing for windows is very low i used EaseUS partition manager and deleted my linux OS, and merged the unused space into my C drive, now it becomes 20GB, the things, after the reboot, I am getting GRUB loading. Welcome to GRUB! error: no such partition. entering rescue mode. . . Kindly help me guys the problem i am facing is i dont have a DVD drive to resolve it, using recovery mode. Waiting for your reply guys. in ls command i have (hd0) (hd0,msdos8) (hd0,msdos7) (hd0,msdos6) (hd0,msdos5) (hd0,msdos2) (hd0,msdos1)

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• Which OS/distributions have 64-bit kernel and 32-bit userspace? [closed]

  - by osgx

  Which OS (or distributions) comes with 64-bit kernels (x86_64, SPARC64, PPC64, ..smth else?..) and 32-bit userland? I want all small userspace programs (like ls, cat, etc) to be 32-bit, because they really no needs to be 64-bit. But OS kernel must be 64bit for using =3 Gb of RAM. Also database programs (when using a lot of memory) can be 64bit. 64bit mode can hurt some programs, makes them bigger, eating (wasting) memory on pointers (especially in big abstract datatypes like list, tree, etc). 64 bit programss WASTES twice memory on EACH Pointer. I don't want it. And the Question is not "Are the 32-bit programs needed when 64-bit porcessor is available". Question is "What OS comes with 32 bit userspace and kernels in 32/64 bit mode". Examples of such OS includes: Solaris/SPARC64, MACOSX/X86_64 (10.5)/....

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• Abnormal hangs and restarts Ubuntu 8.04

  - by jai-ho

  Hi, I am using Ubuntu 8.04 LTS and seeing the following behaviors: The system hangs after a while and becomes completely unresponsive. The system sometimes restarts itself ! Can you please help me identify what is the problem? Also please mention where should I look for the possible cause of this error. Thanks. EDIT: Got the following from the dmesg output (the system got hung and had to restart) [ 15.452015] Driver 'sr' needs updating - please use bus_type methods [ 15.456882] Driver 'sd' needs updating - please use bus_type methods [ 15.457987] sr0: scsi3-mmc drive: 52x/52x writer cd/rw xa/form2 cdda tray [ 15.457993] Uniform CD-ROM driver Revision: 3.20 [ 15.458058] sr 0:0:1:0: Attached scsi CD-ROM sr0 [ 15.463028] sd 1:0:0:0: [sda] 156301488 512-byte hardware sectors (80026 MB) [ 15.463051] sd 1:0:0:0: [sda] Write Protect is off [ 15.463055] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 15.463083] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 15.463151] sd 1:0:0:0: [sda] 156301488 512-byte hardware sectors (80026 MB) [ 15.463167] sd 1:0:0:0: [sda] Write Protect is off [ 15.463171] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 15.463197] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 15.463202] sda:<5sr 0:0:1:0: Attached scsi generic sg0 type 5 [ 15.464634] sd 1:0:0:0: Attached scsi generic sg1 type 0 [ 15.470120] sda1 sda2 < sda5 [ 15.495536] sd 1:0:0:0: [sda] Attached SCSI disk [ 15.759549] Attempting manual resume [ 15.759554] swsusp: Resume From Partition 8:5 [ 15.759556] PM: Checking swsusp image. [ 15.759742] PM: Resume from disk failed. [ 15.779964] EXT3-fs: INFO: recovery required on readonly filesystem. [ 15.779970] EXT3-fs: write access will be enabled during recovery. [ 19.904204] kjournald starting. Commit interval 5 seconds [ 19.904235] EXT3-fs: sda1: orphan cleanup on readonly fs [ 19.904245] ext3_orphan_cleanup: deleting unreferenced inode 303260 [ 19.904304] ext3_orphan_cleanup: deleting unreferenced inode 303329 [ 19.932763] ext3_orphan_cleanup: deleting unreferenced inode 3801871 [ 19.932785] ext3_orphan_cleanup: deleting unreferenced inode 3801874 [ 19.932798] ext3_orphan_cleanup: deleting unreferenced inode 3801910 [ 19.951253] ext3_orphan_cleanup: deleting unreferenced inode 3801912 [ 19.951266] ext3_orphan_cleanup: deleting unreferenced inode 3801914 [ 19.951278] ext3_orphan_cleanup: deleting unreferenced inode 3959212 [ 19.951299] ext3_orphan_cleanup: deleting unreferenced inode 3959213 [ 19.960335] ext3_orphan_cleanup: deleting unreferenced inode 3959215 [ 19.963531] ext3_orphan_cleanup: deleting unreferenced inode 3801875 [ 19.963545] ext3_orphan_cleanup: deleting unreferenced inode 3663727 [ 19.963565] ext3_orphan_cleanup: deleting unreferenced inode 3663708 [ 19.963577] ext3_orphan_cleanup: deleting unreferenced inode 4072122 [ 19.963597] ext3_orphan_cleanup: deleting unreferenced inode 4072157 [ 19.968616] ext3_orphan_cleanup: deleting unreferenced inode 4072159 [ 19.970252] ext3_orphan_cleanup: deleting unreferenced inode 4072160 [ 19.970264] ext3_orphan_cleanup: deleting unreferenced inode 4072161 [ 19.992889] ext3_orphan_cleanup: deleting unreferenced inode 4072264 [ 19.992903] ext3_orphan_cleanup: deleting unreferenced inode 4072267 [ 19.999585] ext3_orphan_cleanup: deleting unreferenced inode 4072268 [ 20.008329] ext3_orphan_cleanup: deleting unreferenced inode 4072270 [ 20.008343] ext3_orphan_cleanup: deleting unreferenced inode 4072123 [ 20.008360] ext3_orphan_cleanup: deleting unreferenced inode 4072452 [ 20.008374] ext3_orphan_cleanup: deleting unreferenced inode 4072453 [ 20.008385] ext3_orphan_cleanup: deleting unreferenced inode 4072124 [ 20.008398] ext3_orphan_cleanup: deleting unreferenced inode 311574 [ 20.008413] ext3_orphan_cleanup: deleting unreferenced inode 967890 [ 20.008420] EXT3-fs: sda1: 28 orphan inodes deleted [ 20.008423] EXT3-fs: recovery complete. [ 20.082622] EXT3-fs: mounted filesystem with ordered data mode. [ 29.025379] input: PC Speaker as /devices/platform/pcspkr/input/input2 [ 29.187133] Linux agpgart interface v0.102 [ 29.225338] iTCO_vendor_support: vendor-support=0 [ 29.259662] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.02 (26-Jul-2007)

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• Connectiong adsl router/modem and router with bridgemode

  - by Zvonko Telefonko

  I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, VPN, port forwarding, etc). I'm interested, if I connect the old modem/router to new Cisco router using bridge mode, will I be able to use all the features on the Cisco? For instance, the old router is lacking of port forward options. Does this mean that I will not be able to use port forwarding on Cisco router either or, since I will be using bridge mode, this will not affect Cisco router and it will work as the modem is in him? thank you

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• nginx reverse proxy hide redirects

  - by NZCoderGuy

  I've Nginx as a reverse proxy for two sites A and B running behind. The users go from public - reverse proxy - site A - site B (from A to B clicking links) What would be a typical configuration for a scenario like this? The url in the browser should be always the reverse proxy This is what I've so far but is not working worker_processes 2; error_log logs/error.log info; events { worker_connections 1024; } http { server { resolver 127.0.0.1; listen 8080; location / { set $target 'siteA'; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; rewrite ^(.*) $1 break; proxy_pass http://$target; } } }

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• Reverse rdesktop or VNC overlay image!

  - by carlesso

  Hi all. I've got a central server (linux based) and many clients (Windows XP Embedded, afaik) in public places around my country. I need to have these clients to connect to the server with a "reverse" tunnel, that is to say that I need to control the clients from the server but the connection is initialized by clients. The requirement is that, during the connection, an overlay image (or something like that, like a modified version of login screen) is displayed. Some stuff like "Work In Progress". My first idea was to use vncviewer -listen and vnc in reverse mode, but cannot understand how to obfuscate the work I'm doing. Other idea was to use rdesktop in "reverse" mode, but it seems it does not support it. Using rdekstop reverse seems the nicest solution (I can login back the user was in before connection, the login manager - which I can modified - is displayed), but any hint will be appreciated! Thanks in advance!

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• delete key on linux does not work

  - by Gauthier Fleutot

  Hi! My delete key does not work in ubuntu, it does nothing. I understand that this is a common problem, but I could solve it with the information I found elsewhere. I ran xev. Pressing the 'a' key gives: KeyRelease event, serial 30, synthetic NO, window 0x2c00001, root 0x1a6, subw 0x0, time 7255643, (-113,-107), root:(425,300), state 0x2010, keycode 38 (keysym 0x61, a), same_screen YES, XLookupString gives 1 bytes: (61) "a" XFilterEvent returns: False Pressing 'Delete' gives: FocusOut event, serial 30, synthetic NO, window 0x2c00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 30, synthetic NO, window 0x2c00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 30, synthetic NO, window 0x0, keys: 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 From there I don't know what to do. Help?

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• How to make sure that grub does use menu.lst?

  - by Glen S. Dalton

  On my Ubuntu 9.04 ("Karmic") laptop I suspect grub does not use the /boot/grub/menu.lst file. What happens on boot is that I see a blank screen and nothing happens. When I press ESC I see a boot list which is different from what I would expect from the menu.lst file. The menu lines are different and when I choose the first entry it does not use the kernel options that are in the first entry in menu.lst. Where do the entries that grub uses come from? How can I find out what happens, is there a log? I could not find anything in /var/log/syslog or /var/log/dmesg about grub using a menu.lst. How can I set it to work like expected? Some Files: $ sudo ls -la /boot/grub/*lst -rw-r--r-- 1 root root 1558 2009-12-12 15:25 /boot/grub/command.lst -rw-r--r-- 1 root root 121 2009-12-12 15:25 /boot/grub/fs.lst -rw-r--r-- 1 root root 272 2009-12-12 15:25 /boot/grub/handler.lst -rw-r--r-- 1 root root 4576 2010-03-19 11:26 /boot/grub/menu.lst -rw-r--r-- 1 root root 1657 2009-12-12 15:25 /boot/grub/moddep.lst -rw-r--r-- 1 root root 62 2009-12-12 15:25 /boot/grub/partmap.lst -rw-r--r-- 1 root root 22 2009-12-12 15:25 /boot/grub/parttool.lst $ sudo ls -la /vm* lrwxrwxrwx 1 root root 30 2009-12-12 16:15 /vmlinuz -> boot/vmlinuz-2.6.31-16-generic lrwxrwxrwx 1 root root 30 2009-12-12 14:07 /vmlinuz.old -> boot/vmlinuz-2.6.31-14-generic $ sudo ls -la /init* lrwxrwxrwx 1 root root 33 2009-12-12 16:15 /initrd.img -> boot/initrd.img-2.6.31-16-generic lrwxrwxrwx 1 root root 33 2009-12-12 14:07 /initrd.img.old -> boot/initrd.img-2.6.31-14-generic The only menu.lst that I found: $ sudo find / -name "menu.lst" /boot/grub/menu.lst $ sudo cat /boot/grub/menu.lst # menu.lst - See: grub(8), info grub, update-grub(8) # grub-install(8), grub-floppy(8), # grub-md5-crypt, /usr/share/doc/grub # and /usr/share/doc/grub-doc/. ## default num # Set the default entry to the entry number NUM. Numbering starts from 0, and # the entry number 0 is the default if the command is not used. # # You can specify 'saved' instead of a number. In this case, the default entry # is the entry saved with the command 'savedefault'. # WARNING: If you are using dmraid do not use 'savedefault' or your # array will desync and will not let you boot your system. default 0 ## timeout sec # Set a timeout, in SEC seconds, before automatically booting the default entry # (normally the first entry defined). timeout 3 ## hiddenmenu # Hides the menu by default (press ESC to see the menu) #hiddenmenu # Pretty colours color cyan/blue white/blue ## password ['--md5'] passwd # If used in the first section of a menu file, disable all interactive editing # control (menu entry editor and command-line) and entries protected by the # command 'lock' # e.g. password topsecret # password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/ # password topsecret # examples # # title Windows 95/98/NT/2000 # root (hd0,0) # makeactive # chainloader +1 # # title Linux # root (hd0,1) # kernel /vmlinuz root=/dev/hda2 ro # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST ### BEGIN AUTOMAGIC KERNELS LIST ## lines between the AUTOMAGIC KERNELS LIST markers will be modified ## by the debian update-grub script except for the default options below ## DO NOT UNCOMMENT THEM, Just edit them to your needs ## ## Start Default Options ## ## default kernel options ## default kernel options for automagic boot options ## If you want special options for specific kernels use kopt_x_y_z ## where x.y.z is kernel version. Minor versions can be omitted. ## e.g. kopt=root=/dev/hda1 ro ## kopt_2_6_8=root=/dev/hdc1 ro ## kopt_2_6_8_2_686=root=/dev/hdc2 ro # kopt=root=UUID=9b454298-18e1-43f7-a5bc-f56e7ed5f9c6 ro noresume ## default grub root device ## e.g. groot=(hd0,0) # groot=70fcd2b0-0ee0-4fe6-9acb-322ef74c1cdf ## should update-grub create alternative automagic boot options ## e.g. alternative=true ## alternative=false # alternative=true ## should update-grub lock alternative automagic boot options ## e.g. lockalternative=true ## lockalternative=false # lockalternative=false ## additional options to use with the default boot option, but not with the ## alternatives ## e.g. defoptions=vga=791 resume=/dev/hda5 ## defoptions=quiet splash # defoptions=apm=on acpi=off ## should update-grub lock old automagic boot options ## e.g. lockold=false ## lockold=true # lockold=false ## Xen hypervisor options to use with the default Xen boot option # xenhopt= ## Xen Linux kernel options to use with the default Xen boot option # xenkopt=console=tty0 ## altoption boot targets option ## multiple altoptions lines are allowed ## e.g. altoptions=(extra menu suffix) extra boot options ## altoptions=(recovery) single # altoptions=(recovery mode) single ## controls how many kernels should be put into the menu.lst ## only counts the first occurence of a kernel, not the ## alternative kernel options ## e.g. howmany=all ## howmany=7 # howmany=all ## specify if running in Xen domU or have grub detect automatically ## update-grub will ignore non-xen kernels when running in domU and vice versa ## e.g. indomU=detect ## indomU=true ## indomU=false # indomU=detect ## should update-grub create memtest86 boot option ## e.g. memtest86=true ## memtest86=false # memtest86=true ## should update-grub adjust the value of the default booted system ## can be true or false # updatedefaultentry=false ## should update-grub add savedefault to the default options ## can be true or false # savedefault=false ## ## End Default Options ## title Ubuntu 9.10, kernel 2.6.31-14-generic noresume uuid 70fcd2b0-0ee0-4fe6-9acb-322ef74c1cdf kernel /vmlinuz-2.6.31-14-generic root=UUID=9b454298-18e1-43f7-a5bc-f56e7ed5f9c6 ro quiet splash apm=on acpi=off noresume initrd /initrd.img-2.6.31-14-generic title Ubuntu 9.10, kernel 2.6.31-14-generic (recovery mode) uuid 70fcd2b0-0ee0-4fe6-9acb-322ef74c1cdf kernel /vmlinuz-2.6.31-14-generic root=UUID=9b454298-18e1-43f7-a5bc-f56e7ed5f9c6 ro sing le initrd /initrd.img-2.6.31-14-generic title Ubuntu 9.10, memtest86+ uuid 70fcd2b0-0ee0-4fe6-9acb-322ef74c1cdf kernel /memtest86+.bin ### END DEBIAN AUTOMAGIC KERNELS LIST These are the choices that grub displays after i press ESC: Ubuntu, Linux 2-6-31-16-generic Ubuntu, Linux 2-6-31-16-generic (recovery mode) Ubuntu, Linux 2-6-31-14-generic Ubuntu, Linux 2-6-31-14-generic (recovery mode) Memory test (memtest86+) Memory test (memtest86+, serial console 115200)

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• Can I find which script outputs which error?

  - by ibrahim

  There is a script which calls other scripts and they call others... I don't know exactly which scripts are called and how many of them. I only know that some of them are adding iptables rules and I get this error when I call root script. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. My problem is that I can not find which script outputs this errors. Is there any way or tool to learn that?

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• Random BSODs on Win7 boot. Can't find a valid reason.

  - by 0plus1

  Hi, I bought and assembled a new pc: ASUS m4a785td-v EVO AMD x4 620 OCZ Black Edition 2x 2gb WD 500gb sata Win7 Ultimate 64bit fresh install BSOD on boot. Formatted, reinstalled, BSOD on install. Ran memtest - no errors. Ran Win7 install in safe mode. Installed, random BSOD on win7 startup, even in safe mode. Updated BIOS. Ran the win7 memtest (no error), booted after some tries and ran Prime95 blend test for 12 hours straight with no errors at all! When the pc has booted, win7 runs as smooth as possible, I've been playing STALKER for 4 hours straight with not a single hiccup. Using Blue Screen View I can see that every BSOD involves: ntoskrnl.exe Here are the dumps Any help would be greatly appreciated, this thing is driving me crazy.

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• Intel turbo boost - in reality

  - by gisek

  I have an Intel i7-3630QM processor in my laptop. Its speed is supposed to be from 2.4 to 3.4 GHz in turbo boost mode. In reality, will it ever run all cores on full speed (3.4GHz mentioned above) at the same time? I heard somewhere that this additional 1GHz is shared between all cores in laptops. If the boost is 1GHz per core it's pretty impressive (over 40% speed up). What does it really look like? How long can a processor run in turbo mode?

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• VMWare Player guest does not re-aquire IP on bridged interface after host loses and re-acquires network connectivity

  - by Vineet

  I am running a Ubuntu Linux image in VMWare Player on my laptop. The host is Windows XP. There are two network adapters configured in VMWare Player - one is host-only and the other is bridged. Everything works fine as long as the host does not lose network connectivity. If the host loses connectivity (even briefly) and then re-acquires it, my bridged adapter in VMWare Player is still unable to get an IP address. The host-only adapter remains unaffected. Disconnecting/Reconnecting the bridged adapter does not help. Simply restarting the guest OS does not help. Restarting VMWare Player does not help. The only remedy is to reboot the host and then bring up VMWare Player all over again. Is there something I can try to avoid this reboot? I searched the existing questions but they seemed to talk about adapters in NAT mode, whereas I am interested in retaining Bridged mode.

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• Mac OS X: pushing all traffic through a VMWare VM [closed]

  - by bj99

  I want to set up an Astaro (Sophos) UTM in a Virtual Machine. The Setup should be at the end the following: Cable Modem (one IP adress) | [Ethernet] Sophos UTM (running as VM [VMWare Fusion 5] on the MacMini) | [WIFI] Airport Express v2 (for sharing Local Network to wireless and wired clients) 1)| [WIFI] 2)| [Ethernet over Thunderbolt Ethernet Adapter]* Clients MacMini (Local File Server) *To have the Mini also protected behind the UTM So the setup process for the UTM works fine, but then the problems start: I just have one external IP (from my cable modem provider)== So if I put the VM in briged mode my Internet connection drops, because the MacMini also has its IP adress. If I put the VM to NAT mode the Mini itself is not protected by the UTM So: is there a way to hide the en0 interface(Ethernet) and the en1 interface (Wifi) from the MacMini, so that they not even appear in System Preferences Network section but are available to the VM? That way the Mini must connect to the en2 interface (Thunderbolt adapter) to make any Internet/LAN connection and I just use the given single IP from the Cable Modem. Thaks for any suggestions... Sebastian

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• Howto return to virtual machine when remote desktop hangs?

  - by tangens

  I'm using a vmware virtual machine running ubuntu linux and from there I connect to a Windows XP machine using rdesktop through a VPN tunnel. This configuration is given and cannot be changed. From time to time my internet connection does a reconnect. Then the running rdesktop (running in fullscreen mode) process freezes and isn't usable anymore. Now I want to return to the underlying linux and restart the rdesktop process. But I'm not able to get out of fullscreen rdesktop mode and so I cannot access the ubuntu desktop to kill any process. My solution is to reboot the vmware and start the rdesktop again. Is there a better way to get the configuration running again after a freeze? EDIT: I have no admin rights for the linux system. Everything must be done with user rights.

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