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hdmi AC-3 audio broke after upgrading from 11.10 to 12.04.3

- by Jim LastName

I just updated my MythBuntu 11.10 to 12.04.3. Now, when I try to play 5.1 content (ripped DVD), my TV (and receiver) plays a "chattering" sound. I check my receiver and the digital dolby light isn't on--it's in PCM mode. So, either the audio is getting sent as AC-3, but the TV and receiver think it's PCM or the AC-3 audio got converted to multichannel PCM and they can't handle it. My setup: hdmi cable from htpc to TV. TV has an s/pdif output to my receiver. I know TV sends AC-3 audio out correctly because I see digital dolby light come on when I view a digital TV channel and PCM come on when I view an old analog channel. I can connect s/pdif from my htpc to my receiver and the digital dolby light comes on and it can decode the audio just fine. It's just not sending it right over hdmi. Now for some hints to the issue: I noticed in MythTV audio setup when I select alsa:hdmi.... the description only lists 2 channel PCM audio capability. speaker-test -Dhdmi:PCH -c6 errors about a bad channel count (only -c2 works). Finally, I tried vlc and it does the same chattering sound. These all make me think this isn't a MythTV issue, it's something lower than that. I think the best way to troubleshoot this is to start at the drivers and check each layer, one at a time all the way to alsa. I just don't know what the layers are and how to do it. So, I need to find some audio troubleshooting guide to assist me. Or, if one doesn't exist, I'd appreciate some steps. Thanks much, Jim

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What does the suffix 'w' and 'd' mean with 'TIME+' in top?

- by ssapkota

Here's a chunk of the top from my server: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 18878 www-data 20 0 200m 13m 4704 S 0 0.2 0:00.07 apache2 12374 root 20 0 197m 9460 4480 S 0 0.1 21212906w apache2 9136 root 20 0 79100 3488 2716 S 0 0.0 54518724d sshd I know the TIME+ means the total CPU time the task has used since it started. But in the above output, I simply couldn't understand what 21212906w and 54518724d mean? some considerable no of processes are showing the TIME+ with w and d prefixed. What does this mean? Is the server in trouble? Just to let you know - the server uptime is 4days. EDIT: - I can guess these refer week and days. If so why is it so large considering the uptime? - The server has 8 cores.

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Problems after bumblebee installation

- by Samuel

I tried to install bumblebee on Ubuntu 12.04 LTS by following steps on ubuntuwiki site. But when i used this code: sudo add-apt-repository ppa:bumblebee/stable && sudo apt-get update this output came out: Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.q0zzLiXVT3 --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80/ --recv 46C0364A882F14F899448FFCB22A95F88110A93A gpg: requesting key 8110A93A from hkp server keyserver.ubuntu.com gpg: key 8110A93A: "Launchpad PPA for Bumlebee Project" not changed gpg: Total number processed: 1 gpg: unchanged: 1 E: Type 'ain' is not known on line 3 in source list /etc/apt/sources.list.d/bumblebee-stable-precise.list E: The list of sources could not be read. There´s also the same problem message when I try to run the update center. ´E:Type´ain´ is not known on line 3 in source list /etc/apt/sources.list.d/bumblebee-stable-precise.list, E:The list of sources could not be read., E:The package lists or status file could not be parsed or opened.´ I don´t know what to do since I´m a newbie at Linux. Thanks in advance, Samuel.

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FFmpeg audio dont work in converted videos

- by Juddy Swaft

NOTICE: when i convert videos via terminal and download them from ftp into pc the audio works fine. I use: if($ext == "avi" && $convert_avi == true) { $convert_source = _VIDEOS_DIR_PATH.$new_name; $conv_name = substr(md5($file['name'].rand(1,888)), 2, 10).".mp4"; $converted_file = _VIDEOS_DIR_PATH.$conv_name; $ffmpeg_command = 'ffmpeg -i '.$convert_source.' -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 '.$converted_file; echo exec($ffmpeg_command); $sql = "UPDATE pm_temp SET url = '".$conv_name."' WHERE url = '".$new_name."' LIMIT 1"; $result = @mysql_query($sql); unlink($convert_source); } This code to convert avi to mp4 ffmpeg concole output: root@1tb:~# ffmpeg -i sample.avi -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 goodsample.mp4 ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers built on Feb 22 2013 07:18:58 with gcc 4.4.5 configuration: --enable-libdc1394 --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter --enable-libdirac --disable-decoder=libdirac --enable-libfreetype --enable-libschroedinger --disable-encoder=libschroedinger - s libavutil 50. 43. 0 / 50. 43. 0 libavcodec 52.123. 0 / 52.123. 0 libavformat 52.111. 0 / 52.111. 0 libavdevice 52. 5. 0 / 52. 5. 0 libavfilter 1. 80. 0 / 1. 80. 0 libswscale 0. 14. 1 / 0. 14. 1 libpostproc 51. 2. 0 / 51. 2. 0 [mp3 @ 0x191d4100] Header missing [mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected Input #0, avi, from 'sample.avi': Metadata: encoder : VirtualDubMod 1.5.10.2 (build 2540/release) Duration: 00:01:01.81, start: 0.000000, bitrate: 1194 kb/s Stream #0.0: Video: mpeg4, yuv420p, 640x352 [PAR 1:1 DAR 20:11], 23.98 tbr, Stream #0.1: Audio: mp3, 48000 Hz, stereo, s16, 128 kb/s [buffer @ 0x191d1c80] w:640 h:352 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param: [scale @ 0x191d6880] w:640 h:352 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0 [libx264 @ 0x191ce5a0] Default settings detected, using medium profile [libx264 @ 0x191ce5a0] using SAR=45/44 [libx264 @ 0x191ce5a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle S [libx264 @ 0x191ce5a0] profile High, level 3.1 [libx264 @ 0x191ce5a0] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2 6 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_off 1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_l Output #0, mp4, to 'goodsample.mp4': Metadata: encoder : Lavf52.111.0 Stream #0.0: Video: libx264, yuv420p, 1280x720 [PAR 45:44 DAR 20:11], q=2-31 Stream #0.1: Audio: libmp3lame, 44100 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop, [?] for help [mp3 @ 0x191d4100] Header missing Error while decoding stream #0.1 [mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected [mp3 @ 0x191d4100] incomplete frame 9467kB time=00:01:00.32 bitrate=1285.5kbits/ Error while decoding stream #0.1 frame= 1852 fps= 20 q=29.0 Lsize= 9652kB time=00:01:01.72 bitrate=1280.9kbits video:9121kB audio:483kB global headers:0kB muxing overhead 0.499688% frame I:11 Avg QP:16.78 size: 51456 [libx264 @ 0x191ce5a0] frame P:784 Avg QP:20.81 size: 8954 [libx264 @ 0x191ce5a0] frame B:1057 Avg QP:26.06 size: 1659 [libx264 @ 0x191ce5a0] consecutive B-frames: 22.0% 3.1% 7.5% 67.4% [libx264 @ 0x191ce5a0] mb I I16..4: 31.1% 59.8% 9.1% [libx264 @ 0x191ce5a0] mb P I16..4: 1.8% 2.6% 0.2% P16..4: 24.3% 7.0% 4.0 [libx264 @ 0x191ce5a0] mb B I16..4: 0.1% 0.1% 0.0% B16..8: 22.7% 0.8% 0.2 [libx264 @ 0x191ce5a0] 8x8 transform intra:57.0% inter:72.6% [libx264 @ 0x191ce5a0] coded y,uvDC,uvAC intra: 44.4% 33.3% 10.3% inter: 7.6% 5. [libx264 @ 0x191ce5a0] i16 v,h,dc,p: 68% 14% 8% 10% [libx264 @ 0x191ce5a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 14% 27% 5% 7% 7% 6 [libx264 @ 0x191ce5a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 14% 14% 6% 10% 9% 7 [libx264 @ 0x191ce5a0] i8c dc,h,v,p: 67% 13% 17% 3% [libx264 @ 0x191ce5a0] Weighted P-Frames: Y:1.9% UV:0.4% [libx264 @ 0x191ce5a0] ref P L0: 62.2% 12.8% 10.3% 14.5% 0.2% [libx264 @ 0x191ce5a0] ref B L0: 88.1% 5.5% 6.4% [libx264 @ 0x191ce5a0] ref B L1: 95.7% 4.3% [libx264 @ 0x191ce5a0] kb/s:1209.03 I know there is couple errors tough, but i dont know hot to fix it. Also i would be very thankfull if someone can help reduce video size but is not main problem video weights as original avi but sill.

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How To Run A Shell Script Again And Again Having X Interval Of Time?

- by Muhammad Hassan

I have a shell script in my Ubuntu Server 14.04 LTS at ./ShellScript.sh. I setup /etc/rc.local to run the shell script after boot but before login using below code. Run this: sudo nano /etc/rc.local then add following and save. #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # # In order to enable or disable this script just change the execution # bits. # # By default this script does nothing. #!/bin/bash ./ShellScript.sh exit 0 Now I want to run/execute this shell script again and again having 15min of time interval between every run after boot but before login. So Can I do it? Update 1:) When I run crontab -e then I got the following. Now What to do? no crontab for root - using an empty one Select an editor. To change later, run 'select-editor'. 1. /bin/ed 2. /bin/nano <---- easiest 3. /usr/bin/vim.basic 4. /usr/bin/vim.tiny Choose 1-4 [2]: After selecting 2, I got crontab: "/usr/bin/sensible-editor" exited with status 2 UPDATE 2:) Update ShellScript.sh like below... #!/bin/bash # Testing ShellScript... while true do echo "ShellScript Start Running..." ********************************** All My Shell Script Codes/Script/Commands ********************************** echo "ShellScript End Running..." exit 0 sleep 900 done Then Run this: sudo nano /etc/rc.local then add following and save. #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # # In order to enable or disable this script just change the execution # bits. # # By default this script does nothing. sh ./ShellScript.sh & exit 0

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Install APC RedHat

- by zackaryka

i am trying to install apc on redhat so i did: pecl install apc i said yes to: Use apxs to set compile flags (if using APC with Apache)? [yes]: and i get this: checking for re2c... no configure: WARNING: You will need re2c 0.9.11 or later if you want to \ regenerate PHP parsers. and checking whether apc needs to get compiler flags from apxs... Sorry, I was not able to successfully run APXS. Possible reasons: 1. Perl is not installed; 2. Apache was not compiled with DSO support (--enable-module=so); 3. 'apxs' is not in your path. Try to use --with-apxs=/path/to/apxs The output of apxs follows /tmp/tmpJQuZdD/APC-3.0.16/configure: line 3846: apxs: command not found configure: error: Aborting ERROR: `/tmp/tmpJQuZdD/APC-3.0.16/configure --with-apxs' failed what could be the problem? Thanks

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Linux: multiple network connections - 3G/4G / Wifi / LAN / etc; how can i set a preferred network connection to use?

- by Alex

I've been looking at how I can setup a laptop that has multiple network interfaces, but a problem exists if all the connections are active, i.e. 3G, WiFi and LAN are all connected, I would like it to default to LAN. I would like to set "weights" or "priority" to each connection, so that if the LAN is unplugged, it'll default to WiFi - if its in range and working, otherwise, it'll switch and use the 3G dongle; I've been looking around and I can see that the "metric" counter for route isn't being used for recent kernels. I thought that would be able to set the preferred gateway / connections - but according to the man page: man route: OUTPUT Metric The 'distance' to the target (usually counted in hops). It is not used by recent kernels, but may be needed by routing daemons. So I'm confused, are there any scripts / apps / anything that can detect active network connections, and by way of configuration, send my default gateway network traffic through that interface if its active / alive?

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Different block sizes for partition and underlying logical disk on HP Raid Controller (Linux)

- by Wawrzek

Following links collected in this thread I started to check blockdev and found the following output indicating different sizes for partition c0d9p1 and the underlying device (c0d9): [root@machine ~]# blockdev --report /dev/cciss/c0d9 RO RA SSZ BSZ StartSec Size Device rw 256 512 4096 0 3906963632 /dev/cciss/c0d9 [root@machine ~]# blockdev --report /dev/cciss/c0d9p1 RO RA SSZ BSZ StartSec Size Device rw 256 512 2048 1 3906959039 /dev/cciss/c0d9p1 We have a lot of small files, so yes the block size is smaller than normal. The device is a logical driver on an HP P410 raid controller, simple disk without any raid - RAID 0 on one disk to be precise. (Please note that above configuration is a feature not a bug). Therefore, I have the following questions. Can the above discrepancy in the block size affect disk performance? Can I control the block size using hpacucli?

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Does not recognize usb sticks and drives

- by Peter

When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1965.884537] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.072503] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.260349] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.506227] usb 1-1: new high speed USB device using ehci_hcd and address 9 [ 1966.572375] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.760379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.948358] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.136335] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.325423] hub 1-0:1.0: unable to enumerate USB device on port 1 When connecting my usb scanner to the same port: [ 2008.480135] usb 1-1: new high speed USB device using ehci_hcd and address 65 [ 2008.548389] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.736786] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.924379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.112348] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.300443] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.488536] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.732180] usb 1-1: new high speed USB device using ehci_hcd and address 71 [ 2014.796299] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2018.000128] usb 2-1: new full speed USB device using uhci_hcd and address 3 And ubuntu 10.10 recognizes that scanner. So: What can i do to see my usb stick? BTW: on my other Thinkpad running fedora 14 it works perfectly... Cheers -Peter

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NFS Client reports Permission Denied, Server reports Permission Granted

- by VxJasonxV

I have two RedHat 4 Servers. The client is 4.6, the server is 4.5. I'm attempting to mount a share from the server, onto the client via NFS. The /etc/exports configuration is as follows: /opt/data/config bkup(rw,no_root_squash,async) /opt/data/db bkup(rw,no_root_squash,async) exportfs returns these (among other) shares, nfs is running according to ps output. I've been attempting to use autofs on the client, but have opted to just mount the share manually considering the issues I'm having. So, I issue the mount request: mount dist:/opt/data/config /mnt/config mount: dist:/opt/data/config failed, reason given by server: Permission denied Ok, so let's see what the server has to say for itself. May 6 23:17:55 dist mountd[3782]: authenticated mount request from bkup:662 for /opt/data/config (/opt/data/config) It says it allowed the mount to take place. How can I diagnose why the client and server are disagreeing on the result?

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SharePoint 2010 Field Expression Builder

- by Ricardo Peres

OK, back to two of my favorite topics, expression builders and SharePoint. This time I wanted to be able to retrieve a field value from the current page declaratively on the markup so that I can assign it to some control’s property, without the need for writing code. Of course, the most straight way to do it is through an expression builder. Here’s the code: 1: [ExpressionPrefix("SPField")] 2: public class SPFieldExpressionBuilder : ExpressionBuilder 3: { 4: #region Public static methods 5: public static Object GetFieldValue(String fieldName, PropertyInfo propertyInfo) 6: { 7: Object fieldValue = SPContext.Current.ListItem[fieldName]; 8: 9: if (fieldValue != null) 10: { 11: if ((fieldValue is IConvertible) && (typeof(IConvertible).IsAssignableFrom(propertyInfo.PropertyType) == true)) 12: { 13: if (propertyInfo.PropertyType.IsAssignableFrom(fieldValue.GetType()) != true) 14: { 15: fieldValue = Convert.ChangeType(fieldValue, propertyInfo.PropertyType); 16: } 17: } 18: } 19: 20: return (fieldValue); 21: } 22: 23: #endregion 24: 25: #region Public override methods 26: public override Object EvaluateExpression(Object target, BoundPropertyEntry entry, Object parsedData, ExpressionBuilderContext context) 27: { 28: return (GetFieldValue(entry.Expression, entry.PropertyInfo)); 29: } 30: 31: public override CodeExpression GetCodeExpression(BoundPropertyEntry entry, Object parsedData, ExpressionBuilderContext context) 32: { 33: if (String.IsNullOrEmpty(entry.Expression) == true) 34: { 35: return (new CodePrimitiveExpression(String.Empty)); 36: } 37: else 38: { 39: return (new CodeMethodInvokeExpression(new CodeMethodReferenceExpression(new CodeTypeReferenceExpression(this.GetType()), "GetFieldValue"), new CodePrimitiveExpression(entry.Expression), new CodePropertyReferenceExpression(new CodeArgumentReferenceExpression("entry"), "PropertyInfo"))); 40: } 41: } 42: 43: #endregion 44: 45: #region Public override properties 46: public override Boolean SupportsEvaluate 47: { 48: get 49: { 50: return (true); 51: } 52: } 53: #endregion 54: } You will notice that it will even try to convert the field value to the target property’s type, through the use of the IConvertible interface and the Convert.ChangeType method. It must be placed on the Global Assembly Cache or you will get a security-related exception. The other alternative is to change the trust level of your web application to full trust. Here’s how to register it on Web.config: 1: <expressionBuilders> 2:  3: <add expressionPrefix="SPField" type="MyNamespace.SPFieldExpressionBuilder, MyAssembly, Culture=neutral, Version=1.0.0.0, PublicKeyToken=29186a6b9e7b779f" /> 4: </expressionBuilders> And finally, here’s how to use it on an ASPX or ASCX file inside a publishing page: 1: <asp:Label runat="server" Text="<%$ SPField:Title %>"/>

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How do i have 4GB of video memory with a 1GB video card?

- by Tomas Spc Yaczik

I ran the direct X diagnostic tool to take a look at my graphics capabilities and its telling me that the approximate video memory is clocked in at 4096MB. That doesn't make any sense, how is that possible? The only things that i can think of were that DirectX was inaccurate so i looked at the graphics statistics of my computer on CPU-Z which was included with the motherboard and that's telling me i have "negative" 1988MB. Not only is that not 4096MB, but its giving me a negative number and i know for a fact that you can't have a negative amount of memory???!!! The only things i can think of that would be amplifying my video memory output is the PCIe 3.0 bus, or that the motherboard is somehow including the on board video chip set with the video card which only then is only 2GB of video memory, which still has to be being amplified by something. Any suggestions?

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Oracle HRMS API – Update Employee State Tax Rule

- by PRajkumar

API -- pay_state_tax_rule_api.update_state_tax_rule Example -- DECLARE lc_dt_ud_mode VARCHAR2(100) := NULL; ln_assignment_id NUMBER := 33561; ln_object_version_number NUMBER := 1; ld_effective_start_date DATE; ld_effective_end_date DATE; lb_correction BOOLEAN; lb_update BOOLEAN; lb_update_override BOOLEAN; lb_update_change_insert BOOLEAN; BEGIN -- Find Date Track Mode -- -------------------------------- dt_api.find_dt_upd_modes ( p_effective_date => TO_DATE('12-JUN-2011'), p_base_table_name => 'PER_ALL_ASSIGNMENTS_F', p_base_key_column => 'ASSIGNMENT_ID', p_base_key_value => ln_assignment_id, -- Output data elements -- -------------------------------- p_correction => lb_correction, p_update => lb_update, p_update_override => lb_update_override, p_update_change_insert => lb_update_change_insert ); IF ( lb_update_override = TRUE OR lb_update_change_insert = TRUE ) THEN -- UPDATE_OVERRIDE -- -------------------------------- lc_dt_ud_mode := 'UPDATE_OVERRIDE'; END IF; IF ( lb_correction = TRUE ) THEN -- CORRECTION -- ---------------------- lc_dt_ud_mode := 'CORRECTION'; END IF; IF ( lb_update = TRUE ) THEN -- UPDATE -- -------------- lc_dt_ud_mode := 'UPDATE'; END IF; -- Update State Tax Rule -- --------------------------------- pay_state_tax_rule_api.update_state_tax_rule ( -- Input data elements -- ------------------------------ p_effective_date => TO_DATE('20-JUN-2011'), p_datetrack_update_mode => lc_dt_ud_mode, p_emp_state_tax_rule_id => 8455, p_withholding_allowances => 100, p_sit_additional_tax => 10, p_sit_exempt => 'N', -- Output data elements -- -------------------------------- p_object_version_number => ln_object_version_number, p_effective_start_date => ld_effective_start_date, p_effective_end_date => ld_effective_end_date ); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; dbms_output.put_line(SQLERRM); END; / SHOW ERR;

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Added key, but still getting "gpg: Can't check signature: public key not found"

- by gertvdijk

Trying to download Django source package using dget and the .dsc file from here. Then dget fails to verify the source, because it is missing a public key. $ dget https://launchpad.net/ubuntu... [...] dscverify: python-django_1.4.1-2.dsc failed signature check: gpg: Signature made Tue 21 Aug 2012 09:12:04 CEST using RSA key ID F2AC729A gpg: Can't check signature: public key not found Validation FAILED!! Fine, I added this key to my keyring, because I think I can trust this one: $ gpg --keyserver keyserver.ubuntu.com --recv-key 0xF2AC729A gpg: requesting key F2AC729A from hkp server keyserver.ubuntu.com gpg: key F2AC729A: "Raphaël Hertzog <[email protected]>" not changed gpg: Total number processed: 1 gpg: unchanged: 1 (well, this output is run afterwards, when it was already in my keyring) And it is really there: $ gpg --fingerprint F2AC729A pub 4096R/F2AC729A 2009-05-07 Key fingerprint = 3E4F B711 7877 F589 DBCF 06D6 E619 045D F2AC 729A uid Raphaël Hertzog <[email protected]> uid Raphaël Hertzog (Debian) <[email protected]> uid Raphaël Hertzog (Freexian SARL) <[email protected]> sub 2048R/71F23DEE 2009-05-07 But still fails for the same reason: gpg: Signature made Tue 21 Aug 2012 09:12:04 CEST using RSA key ID F2AC729A gpg: Can't check signature: public key not found I'm running all these commands as my regular user. I also tried adding this key to APT's keyring and root's keyring. Both to no avail. What am I missing here?

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Bash Script Exits su or ssh Session Rather than Script

- by Russ

I am using CentOS 5.4. I created a bash script that does some checking before running any commands. If the check fails, it will simply exit 0. The problem I am having is that on our server, the script will exit the su or ssh session when the exit 0 is called. #!/bin/bash # check if directory has contents and exit if none if [ -z "`ls /ebs_raid/import/*.txt 2>/dev/null`" ]; then echo "ok" exit 0 fi here is the output: [root@ip-10-251-86-31 ebs_raid]# . test.sh ok [russ@ip-10-251-86-31 ebs_raid]$ as you can see, I was removed from my sudo session, if I wasn't in the sudo session, it would have logged me out of my ssh session. I am not sure what I am doing wrong here or where to start.

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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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Keyboard / keymap problems with Xubuntu 12.04 + NX nomachine

- by bajafresh4life

I'm running NX client on my Macbook Pro to connect to a Xubuntu 12.04 desktop at work. I have configured NX client to start up a console upon connection. I am able to connect to my remote linux machine and I get a simple xterm console. However, when I run xfce4-session, half my keys no longer work. For example, when I launch a terminal, I typing a, s, or d works, but if type w, e, r, or t, the cursor just blinks. If I ctrl-C out of xfce4-session, all the keys work fine in my xterm console. If I run xev, this is the output for when I hit a key that works: KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 16 (keysym 0x63, c), same_screen YES, XLookupString gives 1 bytes: (03) "" XFilterEvent returns: False KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 67 (keysym 0xffe3, Control_L), same_screen YES, XKeysymToKeycode returns keycode: 63 XLookupString gives 0 bytes: XFilterEvent returns: False but when I hit a key that doesn't work: FocusOut event, serial 34, synthetic NO, window 0x2e00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 34, synthetic NO, window 0x2e00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 34, 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 Any ideas on what I can do to troubleshoot this issue? Googling around offered a few suggestions (like playing with xmodmap) but nothing seemed to work. Also, one thing worth mentioning is that I do not have any keyboard issues when remoting into a different Ubuntu 10 box via NX.

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Why isn't sox able to convert to mp3?

- by marue

I installed Sox, i installed lame-398, but sox is not able to convert any file to mp3. It fails with the messages: ./../sox FAIL util: Unable to load LAME encoder library (libmp3lame). ./../sox FAIL formats: can't open output file `funktech.mp3': How can i check if lame has been installed correct? How can i get sox to find the mp3Library? edit: I did not install sox at all, it works without installing directly from the commandline. Lame was installed by following the instructions on their site: ./configure make make install which results in the following files being found in /usr/local/lib/ : libmp3lame.dylib, libmp3lame.la, libmp3lame.a Maybe symlinking libmp3lame.la, which is marked as executable, to /usr/bin would help?

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finding the user of iis apppool \ defaultapppool

- by LosManos

My IIS apppool user is trying to create a folder but fails. How do I find out which User it is? Let's say I don't know much about IIS7 but need to trace whatever is happening through tools. Place of crime is WinSrv2008 with IIS7. So I fire up Sysinternals/ProcessMonitor to find out what is happening. I find Access denied on a folder just as I suspected. But which user? I add the User column to the output and it says IIS Apppool\Defaultapppool in capitals. Well... that isn't a user is it? If I go to IIS and its Apppools and Advanced settings and Process model and Identity I can see clues about which user it is but that is only because I know IIS. What if it had been Apache or LightHttpd or whatever? How do I see the user to give the appropriate rights to?

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port to subdomain

- by takeshin

I have installed Hudson using apt-get, and the Hudson server is available on example.com:8080. For example.com I use standard port *:80 and some virtual hosts set up this way: # /etc/apache2/sites-enabled/subdomain.example.com <Virtualhost *:80> ServerName subdomain.example.com ... </Virtualhost> Here is info about Hudson process: /usr/bin/daemon --name=hudson --inherit --env=HUDSON_HOME=/var/lib/hudson --output=/var/log/hudson/hudson.log --pidfile=/var/run/hudson/hudson.pid -- /usr/bin/java -jar /usr/share/hudson/hudson.war --webroot=/var/run/hudson/war 987 ? Sl 1:08 /usr/bin/java -jar /usr/share/hudson/hudson.war --webroot=/var/run/hudson/war How should I forward: http:// example.com:8080 to: http:// hudson.example.com

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Linux networking crash: best steps to find out the cause?

- by Aron Rotteveel

One of our Linux (CentOS) servers was unreachable last night. The server was not reachable in any way except for the remote console. After logging in with the remote console, it turned out I could not ping any outside hosts either. A simple service network restart solved the issue, but I am still wondering what could have caused this. My log files seem to indicate no error at all (except for the various daemons that need a network connection and failed after the network failure). Are there any additional steps I can take to find out the cause of this problem? EDIT: this just happened again. The server was completely unresponsive until I issued a networking service restart. Any advise is welcome. Could this be caused by a faulty hardware component? As per Madhatters request, here are some excerpts from the log at the time (the network crashed at 20:13): /var/log/messages: Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=101 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=100 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=101 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:13:34 graviton junglediskserver: Connection to gateway failed: xGatewayTransport - Connection to gateway failed. The first three messages are simple responses to iptables rules I have set up through the LFD firewall. The last message indicates that JungleDisk, which I use for backups can no longer connect to the gateway. Apart from this, there are no interesting messages around this time. EDIT 4 dec: as per Mattdm's request, here is the output of ethtool eth0: (Please not that these are the settings that currently work. If things go wrong again, I will be sure to post this again if necessary. Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised auto-negotiation: Yes Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 1 Transceiver: internal Auto-negotiation: on Supports Wake-on: g Wake-on: d Link detected: yes As per Joris' request, here is also the output of route -n: aron@graviton [~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface xx.xx.xx.58 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.42 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.43 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.41 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.46 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.47 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.44 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.45 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.50 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.51 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.48 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.49 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.54 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.52 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.53 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.0 0.0.0.0 255.255.255.192 U 0 0 0 eth0 xx.xx.xx.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 0.0.0.0 xx.xx.xx.62 0.0.0.0 UG 0 0 0 eth0 The bottom xx.62 is my gateway. EDIT december 28th: the problem occurred again and I got the chance to compare some of the outputs of the above tests. What I found out is that arp -an returns an incomplete MAC address for my gateway (which is not under my control; the server is in a shared rack): During failure: ? (xx.xx.xx.62) at <incomplete> on eth0 After service network restart: ? (xx.xx.xx.62) at 00:00:0C:9F:F0:30 [ether] on eth0 Is this something I can fix or is it time for me to contact the data centre?

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Cannot enable wireless on an Intel WifiLink 1000 on an Lenovo Ideapad z570

- by Brij

I am using the ubuntu 11.10 on lenovo ideapad z570. My wireless internet is not working. I have ensure that wireless switch is on. Windows 7, wireless works great.However ubuntu 11.10 is not allowing me to enable wireless connection. I have run the following command and here is the status. sudo lshw -class network *-network DISABLED description: Wireless interface product: Centrino Wireless-N 1000 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 00 serial: 74:e5:0b:1c:a4:a4 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-12-generic firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:42 memory:d0500000-d0501fff *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 05 serial: f0:de:f1:64:b6:62 size: 10Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8105e-1.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:41 ioport:2000(size=256) memory:d0404000-d0404fff memory:d0400000-d0403fff Here is rfkill list all output: rfkill list all 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no Note : Windows 7, wireless card property shows that Intel WifiLink 1000 BGN. Could someone help me to fix this issue.

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Responding to Invites

- by Daniel Moth

Following up from my post about Sending Outlook Invites here is a shorter one on how to respond. Whatever your choice (ACCEPT, TENTATIVE, DECLINE), if the sender has not unchecked the "Request Response" option, then send your response. Always send your response. Even if you think the sender made a mistake in keeping it on, send your response. Seriously, not responding is plain rude. If you knew about the meeting, and you are happy investing your time in it, and the time and location work for you, and there is an implicit/explicit agenda, then ACCEPT and send it. If one or more of those things don't work for you then you have a few options. Send a DECLINE explaining why. Reply with email to ask for further details or for a change to be made. If you don’t receive a response to your email, send a DECLINE when you've waited enough. Send a TENTATIVE if you haven't made up your mind yet. Hint: if they really require you there, they'll respond asking "why tentative" and you have a discussion about it. When you deem appropriate, instead of the options above, you can also use the counter propose feature of Outlook but IMO that feature has questionable interaction model and UI (on both sender and recipient) so many people get confused by it. BTW, two of my outlook rules are relevant to invites. The first one auto-marks as read the ACCEPT responses if there is no comment in the body of the accept (I check later who has accepted and who hasn't via the "Tracking" button of the invite). I don’t have a rule for the DECLINE and TENTATIVE cause typically I follow up with folks that send those. The second rule ensures that all Invites go to a specific folder. That is the first folder I see when I triage email. It is also the only folder which I have configured to show a count of all items inside it, rather than the unread count - when sending a response to an invite the item disappears from the folder and hence it is empty and not nagging me. Comments about this post by Daniel Moth welcome at the original blog.

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How to fix Failed to initialize Windows Azure storage emulator error

- by ybbest

When you press F5 to start debugging Azure project, you might get the following exception: If you go to the Output windows, you will see the detailed error message below: Windows Azure Tools: Failed to initialize Windows Azure storage emulator. Unable to start Development Storage. Failed to start Development Storage: the SQL Server instance ‘localhost\SQLExpress’ could not be found. Please configure the SQL Server instance for Development Storage using the ‘DSInit’ utility in the Windows Azure SDK. This is because by default, Azure uses the SQLExpress to start Development Storage. To fix this you can do the following: You need to open command prompt, and navigate to C:\Program Files\Windows Azure SDK\v1.4\bin\devstore (depending on your Azure version, the file path is slightly different.) Next, run DSInit /sqlInstance:. (. Means the SQL Server use the default instance, if you have name instance, you need to change. to the name of the SQL Server) After a short while, you should see the following windows showing the configuration succeeds. You can download a batch file here. References: http://msdn.microsoft.com/en-us/library/gg433132.aspx

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TvTuner as webcamera

- by BarsMonster

Hi, I have decent TVTuner which can capture both analog signal & HDMI. I am able to connect my camera and see output of it in realtime in VirtualDub. I want to be able to use it in Skype and other software which use webcams. The problem is that they only use first "videoinput" of my videodevice, but HDMI is 3rd, and there is no interface to switch (in Skype for example)... So could you suggest any "proxy" software which can take video from Tuner, and show as a webcam?

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