setup RHEL debugging enviroment

prep-debug.sh

#!/bin/bash

[ ! -n "$DEBUG" ] || set -x

set -ue


function onerr {
    echo 'Cleaning up after error...'
    exit -1
}
trap onerr ERR


function packages() {
    echo 'Installing packages useful for debugging...'
    (set -x;
     yum install -y oracle-epel-release-el7.x86_64 && \
	 /usr/bin/ol_yum_configure.sh && \
	 sed -i -e 's/enabled=0/enabled=1/g' /etc/yum.repos.d/oracle-epel-ol7.repo && \
	 yum makecache && \
	 yum group install -y 'development tools' && \
	 yum install -y python-devel python-pip && \
	 yum install -y dstat tmux mosh htop iperf3 && \
	 pip install httpie && \
	 pip install glances)
}


function tmux() {
    echo 'Dropping a sane tmux config...'
    cat <<EOF | tee ~/.tmux.conf
set -g default-terminal "screen-256color"
set -g status-bg colour39
set -g display-panes-time 2000
bind -n C-o display-pane
bind -n M-x command-prompt
bind D source-file ~/.tmux-dashboard.conf
EOF

    echo 'Dropping a "dashboard" tmux config...'
    cat <<EOF | tee ~/.tmux-dashboard.conf
selectp -t 0
splitw -v -p 50 'dstat -lcids --fs --tcp'
selectp -t 0
splitw -h -p 50 'glances'
selectp -t 2
splitw -h -p 50 'htop'
selectp -t 0
EOF
}


function main () {
    packages
    tmux
}


main