Debian stretch setting for suspend-to-RAM, APT-Cacher NG, sensors, S.M.A.R.T., etc.
guide
Debian manual Network settings (2nd.)@guide
Debian manual network setting.
Debian stretch AppArmor and minimum security (2nd.)@guide
Enabling AppArmor on Debian stretch.
Debian read only root filesystem on LVM-over-LUKS (2nd.)@guide
Debian stretch with read-only root file system and some other patches.
Debian basic hardening (2nd.)@guide
Hardening debian before network connection, by securetty, PAM su, and sudo setting.