SimpleScreenRecorder: Ubuntu-14.04
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# add-apt-repository ppa:maarten-baert/simplescreenrecorder
# apt-get update
# apt-get install simplescreenrecorder
# apt-get install ubuntu-restricted-extras
Ubuntu 64bit:To record 32bit games, install simplescreenrecorder-lib:i386:
# apt-get install simplescreenrecorder-lib:i386
User CTRL+R Key Combination to Pause/Resume Recording
SimpleScreenRecorder: CentOS
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Download the latest nux-dextop-release rpm
# wget http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm -P /tmp
Install nux-dextop-release rpm:
# cd /tmp
# rpm -Uvh nux-dextop-release*rpm
# yum install simplescreenrecorder