diff --git a/bin/admin/build-and-install-ttyrec.sh b/bin/admin/build-and-install-ttyrec.sh
deleted file mode 100755
index 94ee7d1..0000000
--- a/bin/admin/build-and-install-ttyrec.sh
+++ /dev/null
@@ -1,57 +0,0 @@
-#! /usr/bin/env bash
-# vim: set filetype=sh ts=4 sw=4 sts=4 et:
-set -e
-
-basedir=$(readlink -f "$(dirname "$0")"/../..)
-# shellcheck source=lib/shell/functions.inc
-. "$basedir"/lib/shell/functions.inc
-
-TTYREC_ARCHIVE_URL='https://github.com/ovh/ovh-ttyrec/archive/master.zip'
-
-action_doing "Detecting OS..."
-action_detail "Found $OS_FAMILY"
-if [ "$OS_FAMILY" = Linux ]; then
-    action_detail "Found distro $LINUX_DISTRO version $DISTRO_VERSION (major $DISTRO_VERSION_MAJOR), distro like $DISTRO_LIKE"
-fi
-action_done
-
-if echo "$DISTRO_LIKE" | grep -q -w debian; then
-    list="make gcc unzip wget"
-    if [ "$LINUX_DISTRO" = debian ] && [ "$DISTRO_VERSION_MAJOR" -ge 9 ]; then
-        list="$list libzstd-dev"
-    elif [ "$LINUX_DISTRO" = ubuntu ] && [ "$DISTRO_VERSION_MAJOR" -ge 16 ]; then
-        list="$list libzstd-dev"
-    fi
-    apt-get update
-    # shellcheck disable=SC2086
-    apt-get install -y $list
-    # shellcheck disable=SC2086
-    cleanup() {
-        apt-get remove --purge -y $list
-        apt-get autoremove --purge -y
-    }
-elif echo "$DISTRO_LIKE" | grep -q -w rhel; then
-    yum install -y gcc make unzip wget
-    cleanup() { yum remove -y gcc make unzip wget; }
-elif echo "$DISTRO_LIKE" | grep -q -w suse; then
-    zypper install -y gcc make libzstd-devel-static unzip wget
-    cleanup() { zypper remove -y -u gcc make libzstd-devel-static unzip wget; }
-else
-    echo "This script doesn't support this OS yet ($DISTRO_LIKE)" >&2
-    exit 1
-fi
-
-cd /tmp
-wget "$TTYREC_ARCHIVE_URL"
-unzip master.zip
-cd ovh-ttyrec-master
-./configure
-make
-make install
-cleanup
-
-if ttyrec -V; then
-    action_done "ttyrec correctly installed"
-else
-    action_error "couldn't install ttyrec"
-fi
diff --git a/bin/admin/install b/bin/admin/install
index 079ce82..11c2ceb 100755
--- a/bin/admin/install
+++ b/bin/admin/install
@@ -1274,18 +1274,18 @@ fi
 if [ "${opt[check-ttyrec]}" = 1 ] ; then
     action_doing "Checking ttyrec version"
     if ! command -v ttyrec >/dev/null 2>&1; then
-        action_error "ttyrec is not installed, the bastion will not work! Please either install ovh-ttyrec or run this script a second time with \`$0 --nothing --install-fake-ttyrec'"
+        action_error "ttyrec is not installed, the bastion will not work! Please either install ovh-ttyrec (/opt/bastion/bin/admin/install-ttyrec.sh) or run this script a second time with \`$0 --nothing --no-wait --install-fake-ttyrec'"
     else
         ttyrec_version=$(ttyrec -V 2>/dev/null | grep -Eo 'ttyrec v[0-9.]+' | cut -c9-)
         if [ -z "$ttyrec_version" ]; then
-            action_error "Incompatible ttyrec version installed, the bastion will not work! Please either install ovh-ttyrec or run this script again with \`$0 --nothing --install-fake-ttyrec'"
+            action_error "Incompatible ttyrec version installed, the bastion will not work! Please either install ovh-ttyrec (/opt/bastion/bin/admin/install-ttyrec.sh) or run this script again with \`$0 --nothing --no-wait --install-fake-ttyrec'"
         else
             action_detail "found v$ttyrec_version"
             action_detail "expected v$TTYREC_VERSION_NEEDED"
             if [ "$(printf "%s\\n%s\\n" "$ttyrec_version" "$TTYREC_VERSION_NEEDED" | sort | head -1)" = "$TTYREC_VERSION_NEEDED" ]; then
                 action_done
             else
-                action_error "The installed ttyrec version is too old, the bastion will not work! Please update ovh-ttyrec to at least v$TTYREC_VERSION_NEEDED"
+                action_error "The installed ttyrec version is too old, the bastion will not work! Please update ovh-ttyrec to at least v$TTYREC_VERSION_NEEDED (/opt/bastion/bin/admin/install-ttyrec.sh can help)"
             fi
         fi
     fi
diff --git a/bin/admin/install-ttyrec.sh b/bin/admin/install-ttyrec.sh
new file mode 100755
index 0000000..21b6c14
--- /dev/null
+++ b/bin/admin/install-ttyrec.sh
@@ -0,0 +1,162 @@
+#! /usr/bin/env bash
+# vim: set filetype=sh ts=4 sw=4 sts=4 et:
+set -e
+
+RELEASE_API_URL='https://api.github.com/repos/ovh/ovh-ttyrec/releases'
+
+basedir=$(readlink -f "$(dirname "$0")"/../..)
+# shellcheck source=lib/shell/functions.inc
+. "$basedir"/lib/shell/functions.inc
+
+usage() {
+    cat <<EOF
+Options:
+    -s   Download and install precompiled ttyrec static binaries in /usr/local/bin
+    -d   Download the prebuilt Debian package, and install it (for Debian, Ubuntu and derivatives)
+    -r   Download the prebuild RPM package, and install it (for RHEL, CentOS and derivatives)
+    -a   Automatically detect the OS to install the proper package type, fallback to static binaries if no package applies
+    -h   Show this help
+EOF
+}
+
+set_download_url() {
+    pattern="$1"
+
+    action_doing "Checking for prerequisites..."
+    if command -v curl >/dev/null; then
+        action_done curl
+        _apicall() {
+            curl -sL -H 'Accept: application/vnd.github.v3+json' "$1"
+        }
+        _download() {
+            curl -sL -O "$1"
+        }
+    elif command -v wget >/dev/null; then
+        action_done wget
+        _apicall() {
+            wget -q -O - --header="Accept: application/vnd.github.v3+json" "$1"
+        }
+        _download() {
+            wget -q "$1"
+        }
+    else
+        action_error "Couldn't find wget nor curl"
+        exit 1
+    fi
+
+    action_doing "Getting latest release..."
+    if command -v jq >/dev/null; then
+        # If we have jq, we can do it properly
+        url=$(_apicall $RELEASE_API_URL | jq -r '.[0].assets|.[]|.browser_download_url' | grep -F "$pattern")
+    elif perl -MJSON -e 1 2>/dev/null; then
+        # If we don't, there's a good chance we have Perl with the JSON module, use it
+        url=$(_apicall $RELEASE_API_URL | perl -MJSON -e 'undef $/; $d=decode_json(<>); foreach(@{ $d->[0]{assets} || [] }) { $_=$_->{browser_download_url}; /\Q'"$pattern"'\E/ && print && exit }')
+    else
+        # Otherwise, go the ugly way, don't bother the user in installing jq just for this need
+        url=$(_apicall $RELEASE_API_URL | grep -Eo 'https://[a-z0-9./_-]+' | grep -F "$pattern" | head -n1)
+    fi
+
+    action_detail "$url"
+}
+
+prepare_temp_folder() {
+    tmpfolder=$(mktemp -d)
+    # shellcheck disable=SC2064
+    trap "test -d '$tmpfolder' && rm -rf -- '$tmpfolder'" EXIT
+    cd "$tmpfolder"
+}
+
+action_static() {
+    set_download_url "linux-static-binary.tar.gz"
+    prepare_temp_folder
+
+    _download "$url"
+    # we have just one archive file in the current temp directory
+    # shellcheck disable=SC2035
+    tar xzf *.tar.gz
+    # at this point we have just one directory, named ovh-ttyrec-w.x.y.z, just use the shell completion to get in it!
+    cd ovh-ttyrec-*/
+    action_done
+
+    action_doing "Installing files"
+    for file in ttytime ttyrec ttyplay; do
+        action_detail "/usr/local/bin/$file"
+        install -m 0755 "$file" /usr/local/bin/
+    done
+    cd docs
+    for file in *.1; do
+        action_detail "/usr/local/man/man1/$file"
+        install -m 0644 "$file" /usr/local/man/man1/
+    done
+    action_done
+
+    cd /
+}
+
+action_debian() {
+    set_download_url ".deb"
+    prepare_temp_folder
+
+    _download "$url"
+    action_done
+
+    action_doing "Installing package"
+    if dpkg -i -- *.deb; then
+        action_done
+    else
+        action_error
+    fi
+
+    cd /
+}
+
+action_rpm() {
+    set_download_url ".rpm"
+    prepare_temp_folder
+
+    _download "$url"
+    action_done
+
+    action_doing "Installing package"
+    if rpm -Uvh -- *.rpm; then
+        action_done
+    else
+        action_error
+    fi
+
+    cd /
+}
+
+action_auto() {
+    action_doing "Detecting OS..."
+    action_detail "Found $OS_FAMILY"
+    if [ "$OS_FAMILY" = Linux ]; then
+        action_detail "Found distro $LINUX_DISTRO version $DISTRO_VERSION (major $DISTRO_VERSION_MAJOR), distro like $DISTRO_LIKE"
+    fi
+    action_done
+
+    case "$DISTRO_LIKE" in
+        *debian*) action_debian;;
+        *rhel*)   action_rpm;;
+        *suse*)   action_rpm;;
+        *)
+            if [ "$OS_FAMILY" = Linux ]; then
+                action_static
+            else
+                echo "This script doesn't support this OS yet ($DISTRO_LIKE)" >&2
+                exit 1
+            fi;;
+    esac
+}
+
+while getopts :sdrah arg; do
+    case "$arg" in
+        s) action_static; exit 0;;
+        d) action_debian; exit 0;;
+        r) action_rpm;    exit 0;;
+        a) action_auto;   exit 0;;
+        h) usage;         exit 0;;
+        ?) echo "Invalid option: -$OPTARG"; usage; exit 1;;
+    esac
+done
+usage
diff --git a/docker/Dockerfile.centos7 b/docker/Dockerfile.centos7
index f8b19ee..89067ab 100644
--- a/docker/Dockerfile.centos7
+++ b/docker/Dockerfile.centos7
@@ -1,14 +1,11 @@
 FROM centos:7
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-r"]
 
 # disable /dev/kmsg handling by syslog-ng and explicitely enable /dev/log
 RUN test -e /etc/syslog-ng/syslog-ng.conf && \
diff --git a/docker/Dockerfile.centos8 b/docker/Dockerfile.centos8
index 89cfb2d..c73ad6d 100644
--- a/docker/Dockerfile.centos8
+++ b/docker/Dockerfile.centos8
@@ -1,14 +1,11 @@
 FROM centos:8
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-r"]
 
 # disable /dev/kmsg handling by syslog-ng and explicitely enable /dev/log
 RUN test -e /etc/syslog-ng/syslog-ng.conf && \
diff --git a/docker/Dockerfile.debian10 b/docker/Dockerfile.debian10
index 35e08d3..a40d78e 100644
--- a/docker/Dockerfile.debian10
+++ b/docker/Dockerfile.debian10
@@ -1,14 +1,11 @@
 FROM debian:buster
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.debian8 b/docker/Dockerfile.debian8
index a683f06..30eded6 100644
--- a/docker/Dockerfile.debian8
+++ b/docker/Dockerfile.debian8
@@ -1,14 +1,11 @@
 FROM debian:jessie
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.debian9 b/docker/Dockerfile.debian9
index 33485c6..543c54b 100644
--- a/docker/Dockerfile.debian9
+++ b/docker/Dockerfile.debian9
@@ -1,14 +1,11 @@
 FROM debian:stretch
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.opensuse15 b/docker/Dockerfile.opensuse15
index fdebde0..33c604c 100644
--- a/docker/Dockerfile.opensuse15
+++ b/docker/Dockerfile.opensuse15
@@ -1,14 +1,11 @@
 FROM opensuse/leap:15.0
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-r"]
 
 # disable /dev/kmsg handling by syslog-ng and explicitely enable /dev/log
 RUN test -e /etc/syslog-ng/syslog-ng.conf && \
diff --git a/docker/Dockerfile.opensuse151 b/docker/Dockerfile.opensuse151
index 892c00d..4090de7 100644
--- a/docker/Dockerfile.opensuse151
+++ b/docker/Dockerfile.opensuse151
@@ -1,14 +1,11 @@
 FROM opensuse/leap:15.1
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-r"]
 
 # disable /dev/kmsg handling by syslog-ng and explicitely enable /dev/log
 RUN test -e /etc/syslog-ng/syslog-ng.conf && \
diff --git a/docker/Dockerfile.ubuntu1404 b/docker/Dockerfile.ubuntu1404
index 08adbfb..0b1ad0c 100644
--- a/docker/Dockerfile.ubuntu1404
+++ b/docker/Dockerfile.ubuntu1404
@@ -1,14 +1,11 @@
 FROM ubuntu:14.04
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.ubuntu1604 b/docker/Dockerfile.ubuntu1604
index 12d1c45..cc6e043 100644
--- a/docker/Dockerfile.ubuntu1604
+++ b/docker/Dockerfile.ubuntu1604
@@ -1,14 +1,11 @@
 FROM ubuntu:16.04
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.ubuntu1804 b/docker/Dockerfile.ubuntu1804
index f8f0507..b136791 100644
--- a/docker/Dockerfile.ubuntu1804
+++ b/docker/Dockerfile.ubuntu1804
@@ -1,14 +1,11 @@
 FROM ubuntu:18.04
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
diff --git a/docker/Dockerfile.ubuntu2004 b/docker/Dockerfile.ubuntu2004
index b168c3a..b0313b5 100644
--- a/docker/Dockerfile.ubuntu2004
+++ b/docker/Dockerfile.ubuntu2004
@@ -1,14 +1,11 @@
 FROM ubuntu:20.04
 LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
 
-# cache builds efficiently: just copy the needed script to build ttyrec first
-COPY bin/admin/build-and-install-ttyrec.sh /opt/bastion/bin/admin/
-COPY lib/shell                             /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/build-and-install-ttyrec.sh"]
-
-# then just some more bits to install the packages
-COPY bin/admin/packages-check.sh /opt/bastion/bin/admin/
+# cache builds efficiently: just copy the scripts to install packages first
+COPY bin/admin/install-ttyrec.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
+COPY lib/shell                                               /opt/bastion/lib/shell/
 RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
+RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
 
 # handle locales
 RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen