如何查找录屏软件

apt-cache search screen record          
libutempter-dev - privileged helper for utmp/wtmp updates (development)
libutempter0 - privileged helper for utmp/wtmp updates (runtime)
lilo - LInux LOader - the classic OS boot loader
lilo-doc - LInux LOader - Documentation for the classic OS boot loader
x11-xserver-utils - X server utilities
ardesia - free digital sketchpad software
asciinema - Record and share your terminal sessions, the right way
byzanz - small screencast creator
deskscribe - A suite of tools for recording a user's desktop activity
gravit - visually stunning gravity simulator
gtk-recordmydesktop - Graphical frontend for recordMyDesktop screencast tool
irssi-scripts - collection of scripts for irssi
kazam - screencast and screenshot application created with design in mind
kwave - sound editor for KDE
lifelines - text-based genealogy software
nagios-plugins-contrib - Plugins for nagios compatible monitoring systems
pyvnc2swf - screen recording tool with Flash (SWF) output
recordmydesktop - Captures audio-video data of a Linux desktop session
ruby-faker - easily generate fake data
shelr - Utility for plain text screencasting
tilem - GTK+ TI Z80 calculator emulator
tilem-data - GTK+ TI Z80 calculator emulator (data files)
treeline - versatile tree-like structured custom data manager
ttyrec - Terminal interaction recorder and player (for tty)
vdr-plugin-spider - Plugin to vdr that implements the card game "Spider Arachnid"
vokoscreen - easy to use screencast creator
wmix - Dockapp mixer for OSS
mythtv - Personal video recorder application (client and server)

推荐使用byzanz, recordmydesktop和kazam

• byzanz: 比较合适于命令行式的录制屏幕；
• kazam: 这个软件使用起来非常简单
  
  快捷键:

CTRL-SUPER-Q - Quit
CTRL-SUPER-W - Show/Hide main window
CTRL-SUPER-R - Start Recording
CTRL-SUPER-F - Finish Recording
CTRL-SUPER-P - Pause

• gtk-recordmydesktop: 与kazam使用起来差不多，但配置更多，也可以直接在录制过程中看到效果