diff --git a/cheatsheets/apparmor b/cheatsheets/apparmor
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+++ b/cheatsheets/apparmor
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+# Desc: Apparmor will protect the system by confining programs to a limited set of resources.
+
+# To activate a profile:
+sudo aa-enforce usr.bin.firefox
+# OR
+export _PROFILE_='usr.bin.firefox' sudo $(rm /etc/apparmor.d/disable/$_PROFILE_ ; cat /etc/apparmor.d/$_PROFILE_ | apparmor_parser -a )
+
+# TO disable a profile:
+sudo aa-disable usr.bin.firefox
+# OR
+export _PROFILE_='usr.bin.firefox' sudo $(ln -s /etc/apparmor.d/$_PROFILE_ /etc/apparmor.d/disable/ && apparmor_parser -R /etc/apparmor.d/$_PROFILE_)
+
+# To list profiles loaded:
+sudo aa-status
+# OR
+sudo apparmor_status
+
+# List of profiles aviables: /etc/apparmor.d/
diff --git a/cheatsheets/apt-get b/cheatsheets/apt-get
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index 0000000..0f4bcd6
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+++ b/cheatsheets/apt-get
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+# Desc: Allows to update the operating system
+
+# To fetch package list
+apt-get update
+
+# To download and install updates without installing new package.
+apt-get update
+
+# To download and install the updates AND install new necessary packages
+apt-get dist-upgrade
+
+# Full command:
+apt-get update && apt-get dist-upgrade