Mostly about programming
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Record screen capture with audio in FreeBSD with ffmpeg
This command can be used: ffmpeg -video_size 1920×1080 -framerate 25 -f x11grab -i :0.0+0,0 -f oss -i /dev/dsp5.0 -filter:a “asetpts=N/SR/TB”…
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How to show hardware information in FreeBSD
Use dmidecode (It is in /usr/ports/sysutils/dmidecode).
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How to see all certificates that web server sends
It can be done using openssl:openssl s_client -connect SERVER:PORT -showcerts
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Command to take screenshot
You can use scrot -z ‘/tmp/Screenshot from %F %H-%M-%S.png’ (you might need to install scrot first).
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Using Android phone for network access on FreeBSD
Simply load urndis module# kldload urndisConnect mobile phone using USB cable with FreeBSD machine. On phone choose “USB tethering” for…
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Postgres configuration
Useful query to get information about parameters: select name, context, pending_restart, setting from pg_settings
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