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88
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Convert all mp4 files into mp3 files
posted at July 23, 2018, 10:37 p.m. - 3 months, 4 weeks ago

One method is a bash *for loop*. Easy convert to .mp3 files: mkdir outputs/ for f in *.mp4; do ffmpeg -i "$f" "outputs/${f%.mp4}.mp3"; done For converting only .mp4 files: mkdir ...

0
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30
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Fixed crontab (cronjobs) not working in Digital Ocean
posted at Oct. 29, 2018, 1:33 p.m. - 3 weeks, 1 day ago

1. No MTA installed $ sudo grep CRON /var/log/syslog ... Oct 20 12:28:01 tb-live CRON[13160]: (CRON) info (No MTA installed, discarding output) ... Solution: $ sudo apt-get install postfix 2. ...