Paragraphs (or stanzas) should cover 1 topic only. (#1062)

* Paragraphs (or stanzas) should cover 1 topic only.

* No need for options.

images/linux/scripts/base/apt.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+export DEBIAN_FRONTEND=noninteractive
+apt-get -yqq update
+apt-get -yqq dist-upgrade
+systemctl disable apt-daily.service
+systemctl disable apt-daily.timer
+systemctl disable apt-daily-upgrade.timer
+systemctl disable apt-daily-upgrade.service

images/linux/scripts/base/limits.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+echo '* soft nofile 65536' >> /etc/security/limits.conf
+echo '* hard nofile 65536' >> /etc/security/limits.conf
+echo 'session required pam_limits.so' >> /etc/pam.d/common-session
+echo 'session required pam_limits.so' >> /etc/pam.d/common-session-noninteractive
+echo 'DefaultLimitNOFILE=65536' >> /etc/systemd/system.conf