Apply Debian security updates
apt-get -s upgrade | grep "^Inst" | grep -i securi | awk -F " " {'print $2'} | xargs apt-get install
Get:1 http://security.debian.org/ wheezy/updates/main libapt-pkg4.12 i386 0.9.7.9+deb7u2 [902 kB]
Get:2 http://security.debian.org/ wheezy/updates/main apt i386 0.9.7.9+deb7u2 [1263 kB]
Get:3 http://security.debian.org/ wheezy/updates/main libapt-inst1.5 i386 0.9.7.9+deb7u2 [166 kB]
Get:4 http://security.debian.org/ wheezy/updates/main libssl1.0.0 i386 1.0.1e-2+deb7u11 [3031 kB]
Get:5 http://security.debian.org/ wheezy/updates/main apt-utils i386 0.9.7.9+deb7u2 [378 kB]
Get:6 http://security.debian.org/ wheezy/updates/main openssl i386 1.0.1e-2+deb7u11 [693 kB]