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VLC: Cannot resolve xxx port yyy : Name or service not known

[PROBLEM] Trying to start VLC from commandline to have its web-interface listen to a certain IP/port: $ vlc --intf http --http-host localhost:9090 (This is according to VLC's official HTTP-requests documentation for this) ...gives me the following error message: VLC media player 3.0.8 Vetinari (rev...
by peter_b
Mon Aug 10, 2020 5:17 pm
 
Forum: Knowledge Base
Topic: VLC: Cannot resolve xxx port yyy : Name or service not known
Replies: 0
Views: 4

Doxygen: "dot not found"

[PROBLEM] Running Doxygen on Debian 9 fails with an error message that says something like: dot: not found (I forgot to copy the original error message...) [SOLUTION] "dot" is an executable included in the GraphViz package (which seemed to be missing and not listed as dependency). So: $ a...
by peter_b
Tue Aug 04, 2020 9:11 pm
 
Forum: Knowledge Base
Topic: Doxygen: "dot not found"
Replies: 0
Views: 22

Useful IPv6 information

Here are some nice links with information about IPv6: ⋅  Practical Networking for Linux Admins: Real IPv6 (linux.com) ⋅  Practical Networking for Linux Admins: IPv4 and IPv6 LAN Addressing (linux.com) ⋅  Test-IPv6.com ⋅  IPv6 Range Blocks (MediaWiki Help)
by peter_b
Sun Jul 26, 2020 4:28 pm
 
Forum: HowTo's
Topic: Debian: Disable IPv6
Replies: 2
Views: 2948

Debian-based system: Verify all packages (integrity)

Code: Select all
$ apt install debsums


# Verify all packages and show only errors:
Code: Select all
$ sudo debsums -s

Remove the "-s" to get a verbose output that shows all package files that are okay too.

Links:
https://blog.sleeplessbeastie.eu/2015/0 ... -packages/
by peter_b
Fri Jun 12, 2020 6:07 pm
 
Forum: HowTo's
Topic: Debian-based system: Verify all packages (integrity)
Replies: 0
Views: 626

http over SSH port forward = weird characters

[PROBLEM] I try to open a website over SSH port-forwarded SSL , and get a reply but it's just some weird unicode blocks. The setup is as follows: ⋅  Localhost: My local PC ⋅  "Server1": My proxy server ⋅  "Server2": 3rd party server, running https w...
by peter_b
Tue Jun 09, 2020 7:16 pm
 
Forum: Knowledge Base
Topic: http over SSH port forward = weird characters
Replies: 0
Views: 731

Re: Compiling FFmpeg on Debian/Ubuntu

For curren git build on (X)ubuntu 18.04 it's libsdl2:
Code: Select all
sudo apt install libsdl2-dev


More discussion/infos at: https://stackoverflow.com/questions/20422051/ffmpeg-ffplay-binary-not-getting-generated-on-compilation
by peter_b
Mon Jun 08, 2020 4:04 pm
 
Forum: Knowledge Base
Topic: Compiling FFmpeg on Debian/Ubuntu
Replies: 3
Views: 2947

Thunderbird: immediate crash when trying to launch

[PROBLEM] I've been using Thunderbird for I don't know, but about 20 years or so - and I think in total it crashed a handful of times in that duration. Wow. Recently however, after updating to v68.7.0 (Xubuntu 18.04.4) Thunderbird sometimes refuses to start, and I immediately only see the "Moz...
by peter_b
Tue May 05, 2020 2:08 pm
 
Forum: Knowledge Base
Topic: Thunderbird: immediate crash when trying to launch
Replies: 0
Views: 937

XFCE: Enable trash outside of home

I usually have more than one drive in my computers. Every now and then I run into the weird behavior that when I want to remove but not delete (=send to trash/recycle bin) files or folders, it doesn't work: thunar-trash_not_found.png I'm forced to either let it be or remove it completely. This short...
by peter_b
Sat Apr 25, 2020 2:33 am
 
Forum: HowTo's
Topic: XFCE: Enable trash outside of home
Replies: 0
Views: 877

Re: FFmpeg: "Too many packets buffered for output stream"

I've encountered a case where increasing "-max_muxing_queue_size" up to 9999 didn't help. It was actually so that the audio stream seemed to be broken or contain no data? (not silence) It turned out that the DV camera original was already faulty. Trying to extract the source audio (just to...
by peter_b
Tue Mar 17, 2020 4:12 pm
 
Forum: Knowledge Base
Topic: FFmpeg: "Too many packets buffered for output stream"
Replies: 1
Views: 1512

FFmpeg: "Too many packets buffered for output stream"

[PROBLEM] With some files, I get the following error when transcoding from FFV1/PCM/MKV to H.264/AAC/MP4: Too many packets buffered for output stream 0:0 The original camera source was DV (PAL), then converted to FFV1/PCM/MKV. [SOLUTION] In most cases, adding the following argument solved the issue...
by peter_b
Tue Mar 17, 2020 3:43 pm
 
Forum: Knowledge Base
Topic: FFmpeg: "Too many packets buffered for output stream"
Replies: 1
Views: 1512

CA Providence: Class 'ApplicationException' not found

[PROBLEM] Fresh CollectiveAccess providence (v1.7.8) install on Debian9, PHP7.0 - getting the following error message when trying to initially access its folder for the first time: Fatal error: Uncaught Error: Class 'ApplicationException' not found in /var/www/html/providence/index.php:34 Stack tra...
by peter_b
Fri Mar 06, 2020 9:48 pm
 
Forum: Knowledge Base
Topic: CA Providence: Class 'ApplicationException' not found
Replies: 0
Views: 1330

Xubuntu 18.04: can't install VLC

[PROBLEM] I'm trying to install the "vlc" package on a fresh Xubuntu 18.04.4 setup, but get weird dependency errors: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impos...
by peter_b
Mon Feb 24, 2020 7:00 pm
 
Forum: Knowledge Base
Topic: Xubuntu 18.04: can't install VLC
Replies: 0
Views: 1492

ImageMagick:

[PROBLEM] Trying to split an insanely-wide image (>500.000px width) in 30.000px sections: $ convert video_motion.png -crop 30000 video_motion-%02d.png Throws the following error: convert: DistributedPixelCache '127.0.0.1' @ error/distribute-cache.c/ConnectPixelCacheServer/244. convert: cache resour...
by peter_b
Thu Feb 13, 2020 7:53 pm
 
Forum: Knowledge Base
Topic: ImageMagick:
Replies: 0
Views: 1512

Archivematica: VT-x is disable in the BIOS

[PROBLEM] While trying to install Archivematica (using ansible + vagrant + virtualbox approach), I ran into the following error: Stderr: VBoxManage: error: VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED) VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), c...
by peter_b
Wed Feb 05, 2020 9:50 pm
 
Forum: Knowledge Base
Topic: Archivematica: VT-x is disable in the BIOS
Replies: 0
Views: 1553

WRT54GL + Tomato = SSL ERROR / No https access

[PROBLEM] After flashing my good old WRT54GL (v1.1) from original Linksys firmware (v4) to Tomato (1.28), I couldn't access the webinterface over https! :shock: By default, Tomato's webinterface over HTTP is disabled... :? Firefox (v71.0) refuses to connect, showing the following error message: Secu...
by peter_b
Sat Jan 11, 2020 6:28 am
 
Forum: Knowledge Base
Topic: WRT54GL + Tomato = SSL ERROR / No https access
Replies: 0
Views: 2445
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