Providing more information would help troubleshoot the problem.
Could you specify what Linux distro and exact version that you are using?
Also, what system/motherboard is this?
The sound module also looks like it is not loaded. Did you specify what soundcard you have during the installation?
Specifying what exact distro and version would help assisting you in detecting the soundcard and configuring it. There may be some other issues, but starting here would help.
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"I love it when a plan comes together." - Hannibal Smith