Frank's suggestion will work fine for that session. To have the desired volume level come up at boot time, you will need to inser Frank's line in your /etc/rc.d/rc.local file (or whatever file your linux uses for startup.)
Frank's suggestion will work fine for that session. To have the desired volume level come up at boot time, you will need to inser Frank's line in your /etc/rc.d/rc.local file (or whatever file your linux uses for startup.)