How to download a rtmp video stream on Linux?
You can use mplayer to dump the rtmp stream like:
mplayer -dumpstream rtmp://example.com/path/to/stream.mp4
It will generate ./stream.dump and you can rename it to the file with the extension you need like stream.mp4.
The rtmp link usually can be found from the HTML or JavaScript source code of the webpage if you just have a web url.
The Linux disk names (e.g. sda1, hdb3, etc.) are not reliable—they may be changed if there are hardware changes, such an adding or removing a disk. Additionally, the order for the Linux device names is not always the same as the order of SATA poets. For example, the disk connected to SATA port 0 (first…
DNF/YUM can automatically download the RPM packages and install them. Under some situations, we may prefer to make a copy of the RPM files for offline usage so that no need to have network connections to install the software packages. For such purposes, we need to make a copy of the RPM packages. It is…
I find I sometimes lock the SSH terminal accidentally by ctrl-s on Linux. How to unlock/unfreeze it? Ctrl-s: lock the SSH terminal. Ctrl-q: unlock the SSH terminal. Read more: How to rearrange Alt, Ctrl and Win keys on Linux: Win as Alt and Ctrl/Alt as Ctrl How to Turn GNOME terminal to a Pop-up Terminal…
How to decode a quoted URL in Python? For example, an quoted URL as follows https://www.example.com/tag/%E9%93%B6%E8%A1%8C/ should be decoded to https://www.example.com/tag/银行/ In Python 3, we can use `urllib.parse_plus()` (for URL only). One example is as follows. $ python3 Python 3.6.8 (default, Oct 7 2019, 12:59:55) [GCC 8.3.0] on linux Type “help”, “copyright”, “credits” or “license”…
Some time, Linux fails to unmount a filesystem reporting “device is busy”. I understand that this helps avoid data lost by disallowing unmouting a filesystem when it is being used. But for some situations, I am sure there is something wrong happened or I care not data lost, such as a NFS mounting while the…
I see this message in the error log of httpd: PHP Fatal error: Maximum execution time of 30 seconds exceeded in and PHP Fatal error: Allowed memory size of 268435456 bytes exhausted How to change them to a longer and larger value? To change the allowed maximum memory usage of PHP: Set memory_limit = 256M…