diff --git a/dockerfiles/amazonlinux/Dockerfile b/dockerfiles/amazonlinux/Dockerfile
index 33ed767..62fe76e 100644
--- a/dockerfiles/amazonlinux/Dockerfile
+++ b/dockerfiles/amazonlinux/Dockerfile
@@ -11,7 +11,7 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   yum -y -q install git subversion automake autoconf gcc make pcre-devel && \
+   yum -y -q install git subversion automake autoconf gcc make pcre-devel > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \
diff --git a/dockerfiles/centos/Dockerfile b/dockerfiles/centos/Dockerfile
index eef6ccb..c1d3959 100644
--- a/dockerfiles/centos/Dockerfile
+++ b/dockerfiles/centos/Dockerfile
@@ -11,7 +11,7 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   yum -y -q install git subversion automake autoconf gcc make pcre-devel && \
+   yum -y -q install git subversion automake autoconf gcc make pcre-devel > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \
diff --git a/dockerfiles/debian/Dockerfile b/dockerfiles/debian/Dockerfile
index 1a59ef8..3ecdf16 100644
--- a/dockerfiles/debian/Dockerfile
+++ b/dockerfiles/debian/Dockerfile
@@ -11,8 +11,8 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   apt-get update -qq && \
-   apt-get -qq --assume-yes install git subversion automake autoconf gcc make pkg-config libpcre3-dev && \
+   apt-get -qq update  > /dev/null && \
+   apt-get -qq --assume-yes install git subversion automake autoconf gcc make pkg-config libpcre3-dev > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \
diff --git a/dockerfiles/fedora/Dockerfile b/dockerfiles/fedora/Dockerfile
index 54f8f31..2b88759 100644
--- a/dockerfiles/fedora/Dockerfile
+++ b/dockerfiles/fedora/Dockerfile
@@ -11,7 +11,7 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   dnf -y -q install git subversion automake autoconf gcc make pcre-devel && \
+   dnf -y -q install git subversion automake autoconf gcc make pcre-devel > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \
diff --git a/dockerfiles/opensuse/Dockerfile b/dockerfiles/opensuse/Dockerfile
index 1bc6ad2..86f7da9 100644
--- a/dockerfiles/opensuse/Dockerfile
+++ b/dockerfiles/opensuse/Dockerfile
@@ -11,7 +11,7 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   zypper install --no-confirm --no-recommends git subversion automake autoconf gcc make pkg-config pcre-devel && \
+   zypper install --no-confirm --no-recommends git subversion automake autoconf gcc make pkg-config pcre-devel > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \
diff --git a/dockerfiles/ubuntu/Dockerfile b/dockerfiles/ubuntu/Dockerfile
index 67f26cf..d3d827c 100644
--- a/dockerfiles/ubuntu/Dockerfile
+++ b/dockerfiles/ubuntu/Dockerfile
@@ -11,8 +11,8 @@ ENV ZABBIX_VERSION=branches/3.2
 WORKDIR /root
 
 RUN \
-   apt-get update -qq && \
-   apt-get -qq --assume-yes install git subversion automake autoconf gcc make pkg-config libpcre3-dev && \
+   apt-get -qq update > /dev/null && \
+   apt-get -qq --assume-yes install git subversion automake autoconf gcc make pkg-config libpcre3-dev > /dev/null && \
    git clone -q https://github.com/monitoringartist/zabbix-docker-monitoring && \
    svn --quiet export svn://svn.zabbix.com/${ZABBIX_VERSION} ~/zabbix/ && \
    cd ~/zabbix/ && \