Search found 377 matches
- Wed May 20, 2015 10:55 pm
- Forum: HowTo's
- Topic: QCTools-compatible XML video measurements with FFprobe
- Replies: 0
- Views: 5082
QCTools-compatible XML video measurements with FFprobe
Bay Area Video Coalition's (BAVC) "QCTools" is an amazing piece of software quality control for analogue video source material. What few know is, that QCTools' analysis algorithms are all implemented directly in FFmpeg's libraries. Therefore, the "FFprobe" commandline tool can b...
- Thu May 07, 2015 6:44 pm
- Forum: Knowledge Base
- Topic: Shotcut: libpulse.so.0 No such file or directory
- Replies: 1
- Views: 5046
Re: Shotcut: libpulse.so.0 No such file or directory
btw, same goes for kdenlive: If you try to run x86 (32bit) binaries on a 64bit machine, you also get misleading "file not found" error message. For example: $ ./start-kdenlive returns: Way to run = Normal running kdenlive ./start-kdenlive: line 222: /media/Data/JobsToDo/OSCAL/install/kdenl...
- Mon May 04, 2015 10:27 pm
- Forum: Knowledge Base
- Topic: Shotcut: libpulse.so.0 No such file or directory
- Replies: 1
- Views: 5046
Shotcut: libpulse.so.0 No such file or directory
[PROBLEM] I just downloaded the most recent version (15.02.02) of Shotcut video editor on Xubuntu 12.04. Usually you just extract the .tar.bz2 archive and double-click the "Shotcut.desktop" file to start it. In my case, nothing happened. It didn't start, but it also didn't show any error ...
- Mon Apr 20, 2015 3:52 pm
- Forum: HowTo's
- Topic: BWF Peak Enveloper Chunk with FFmpeg
- Replies: 0
- Views: 5178
BWF Peak Enveloper Chunk with FFmpeg
Since 2013, FFmpeg can create the "Peak Envelope Chunk" (levl) in Broadcast Wave Files (BWF) . To see if and which options your FFmpeg version supports, use the following command: $ ffmpeg --help muxer=wav full The NOA Audio Solutions archiving systems uses this envelope chunk without payl...
- Tue Mar 24, 2015 4:42 pm
- Forum: Knowledge Base
- Topic: GlusterFS: "0-management: connection attempt failed"
- Replies: 0
- Views: 4923
GlusterFS: "0-management: connection attempt failed"
[PROBLEM] On a 3-node glusterfs v3.4.6 setup on Debian 7 (Wheezy), I got " /var/log/glusterfs/etc-glusterfs-glusterd.vol.log " flooded with the following error/warning about "Connection refused" ever 3 seconds (!): [2015-03-23 12:54:47.965886] I [glusterd-handler.c:2172:__gluste...
- Mon Mar 23, 2015 4:14 pm
- Forum: HowTo's
- Topic: Samba: list all accounts
- Replies: 0
- Views: 4926
Samba: list all accounts
HowTo list all Samba accounts and their details A great feature of having a GNU/Linux box as storage shared using Samba is, that not every system account is automatically "available" as Samba login. Of course, this is also another point of confusion and failure. Therefore, here's some inf...
- Mon Mar 23, 2015 11:29 am
- Forum: HowTo's
- Topic: GNU/Linux: Persistent routing entries
- Replies: 0
- Views: 4902
GNU/Linux: Persistent routing entries
HowTo add persistent, reboot-safe routing table entries on GNU/Linux systems On Debian (v6, v7): 1) Edit the file "/etc/network/interfaces": Edit or add the corresponding entry for the interface you'd like to define a new route for. 2) Add your desired routing table entry at the bottom of...
- Mon Mar 23, 2015 9:48 am
- Forum: HowTo's
- Topic: Linux KVM: Delete virtual machine client
- Replies: 0
- Views: 4364
Linux KVM: Delete virtual machine client
HowTo remove a VM-client from a libvirt KVM host, using "virsh" 1) Start the "virsh" shell: As root (or using "sudo"), run the following command on the KVM host: $ virsh 2) Shutdown the client: You can get a list of all clients on that KVM host: list --all It'll return...
- Thu Mar 19, 2015 4:07 pm
- Forum: HowTo's
- Topic: GlusterFS: Reading and setting volume options
- Replies: 0
- Views: 4432
GlusterFS: Reading and setting volume options
Gluster offers several parameters per volume to be set/tuned. The version we're currently working with is glusterfs v3.4.6 (Debian 7, RHEL 6.6). A list of available options (at least vor v3.2) can be found in the Gluster.org community wiki: Gluster 3.2: Tuning Volume Options More information is avai...
- Thu Mar 19, 2015 2:09 pm
- Forum: Knowledge Base
- Topic: XFS: "Internal error XFS_WANT_CORRUPTED_GOTO"
- Replies: 0
- Views: 5255
XFS: "Internal error XFS_WANT_CORRUPTED_GOTO"
[PROBLEM] Our GlusterFS share was filled up almost completely, when I suddenly got I/O errors on directory listings, not showing some of the folders on the bricks. Checking /var/log/messages, gave hints that XFS seems to have troubles: Mar 19 04:39:15 vm-gluster-1 kernel: XFS: Internal error XFS_WA...
- Tue Mar 17, 2015 7:33 pm
- Forum: Knowledge Base
- Topic: GlusterFS: "cannot create directory: File exists"
- Replies: 0
- Views: 4053
GlusterFS: "cannot create directory: File exists"
[PROBLEM] For some (yet unknown) reason, I've created a folder on my gluster share that's behaving strangely... After having the same files on multiple bricks, showing them multiple times when listing over mounted glusterfs, I decided to remove it and copy it again. I've had to remove it on brick-l...
- Mon Mar 16, 2015 4:13 pm
- Forum: Knowledge Base
- Topic: GlusterFS: "failed to exec fusermount"
- Replies: 0
- Views: 4602
GlusterFS: "failed to exec fusermount"
[PROBLEM] I've had our glusterfs server mounted on Debian 7 without problems. After unmounting it, and changing some network configuration settings on the Gluster server (v3.4.6, RHEL 6.5), I suddenly get the following errors in /var/log/glusterfs/ logs: 0-glusterfs-fuse: failed to exec fusermount:...
- Mon Mar 16, 2015 1:38 pm
- Forum: Knowledge Base
- Topic: virt-manager: ssh-askpass "No such file or directory"
- Replies: 1
- Views: 5731
virt-manager: "sh: nc: command not found"
[PROBLEM] After installing "ssh-askpass-gnome", I was greeted with another error message: Verbindung mit libvirt nicht möglich: Ende der Datei beim Lesen von Daten: sh: nc: command not found: Eingabe-/Ausgabefehler Verify that: - The 'libvirt-bin' package is installed - The 'libvirtd' dae...
- Mon Mar 16, 2015 1:35 pm
- Forum: Knowledge Base
- Topic: virt-manager: ssh-askpass "No such file or directory"
- Replies: 1
- Views: 5731
virt-manager: ssh-askpass "No such file or directory"
[PROBLEM] Tried to connect to a KVM virtual machine client, using a fresh install of "virt-manager" on Ubuntu 12.04. The connection was kvm over SSH, but I got the following error message (sorry. German): Verbindung mit libvirt nicht möglich: Kann keine Daten empfangen: ssh_askpass: exec(...
- Tue Mar 03, 2015 7:09 pm
- Forum: HowTo's
- Topic: Blackmagic Decklink Studio 4k
- Replies: 0
- Views: 11914
Blackmagic Decklink Studio 4k
NOTE: This is not finished! Here are some notes about a working analogue playout setup, using Ubuntu 12.04 LTS (Precise Pangolin) and Shotcut (v13.10.07) for video signal chain signal tests ( DVA-Fidelity ) 1) Blackmagic output settings: Multimedia > Blackmagic Control Panel decklink_studio_4k-sett...