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Category Archives: Computational
fedora 16 screen capture by ffmpeg – quick’n'dirty
step1 ffmpeg -f x11grab -r 25 -s <screen res.> -i :0.0 -vcodec libx264 -vpre lossless_ultrafast -threads 0 video.mkv step2 ffmpeg -i video.mkv -vcodec libx264 -vpre libx264-lossless_ultrafast -crf 22 -threads 0 video.mp4
Posted in Computational
noip with systemd hiccups
1. systemctl enable NetworkManager-wait-online.service 2. chkconfig –del noip 3. edit /etc/init.d/noip 4. change the S##(namely, starting) priority to S90 or some number after NetworkManager (personally it’s stupid that guys only concern about “network” but without NetworkManager while they are claiming … Continue reading
Posted in Computational
vbox snapshot
vbox guest snapshot actions (take/restore) must be done while the guest os is up and running
Posted in Computational
fedora apache https
1. genkey –test –days ### <host.domain> .crt is located in /etc/pki/tls/certs/<host.domain>.crt .key is located in /etc/pki/tls/private/<host.domain>.key 2. edit /etc/httpd/conf.d/<host.domain>.conf with the following lines SSLEngine On <= this is a catch SSLCertificateFile <path_to_.crt> SSLCertificateKeyFile <path_to_.key> note: maybe the apache needs … Continue reading
Posted in Computational
Tagged fedora
Derbycon
http://www.irongeek.com/i.php?page=videos/derbycon1/mainlist%EF%BB%BF some kind of videos and tutorials
Posted in Computational
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