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December 12, 2016 14:27
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| #!/bin/bash | |
| # Program to output a system information page | |
| TITLE="System Information Report for $HOSTNAME" | |
| TIME=$(date +%F:%T) | |
| TIMESTAMP="Generated $TIME, by $USER uid: $(id -u)" | |
| TOTALSPACE=$(df -h) | |
| SELIUX_STATE=$(sestatus | head -1 ; sestatus | grep --color=auto "Current mode";) | |
| LARGEST_FILES=$(du -a /home 2>/dev/null | sort -n -r | head -n 10) | |
| type systemd 2>/dev/null && SERVICES=$(systemctl -t service) || SERVICES=$(chkconfig --list) #for cebos6.8 | |
| OLD_IFS=$IFS #old IFS bakcup | |
| usage() { | |
| echo "usage: $(basename $0) [OPTION]... [FILE]" | |
| echo "-o, --output [file] generate html file" | |
| return | |
| } | |
| # #Checks if root | |
| # if [ $(id -u) -eq 0 ]; then | |
| # echo "You are root">&2 | |
| # else | |
| # echo "You are user with uid: $(id -u)">&2 | |
| # fi | |
| report_uptime() { | |
| # func prints system uptime | |
| echo "<H3> System Uptime</H3> | |
| <PRE>$(uptime)</PRE>" | |
| return | |
| } | |
| report_selinux() { | |
| # func selinux state | |
| echo "<H3> SeLinux info</H3> | |
| <PRE>$SELIUX_STATE</PRE>" | |
| return | |
| } | |
| report_services() { | |
| # list services | |
| echo "<H3> Services info:</H3> | |
| <PRE>$SERVICES</PRE>" | |
| return | |
| } | |
| report_freespace(){ | |
| # func print disk usage | |
| echo "<H3>Disk Usage</H3> | |
| <PRE> | |
| $TOTALSPACE | |
| </PRE>" | |
| return | |
| } | |
| report_largests_files(){ | |
| # func print disk usage | |
| echo "<H3>10 Largest's files</H3> | |
| <PRE> | |
| $LARGEST_FILES | |
| </PRE>" | |
| return | |
| } | |
| user_info(){ | |
| # func prints user information prom /etc/passw | |
| passw_info=$(grep $(whoami) /etc/passwd) | |
| if [ -n $passw_info ]; then | |
| IFS=: | |
| read user pw uid gid name home shell <<< "$passw_info" | |
| cat << _EOF_ | |
| <H3>User Info</H3> | |
| <PRE> | |
| <b>User</b>= $user | |
| <b>UID</b>= $uid | |
| <b>Home</b>= $home | |
| <b>Shell</b>= $shell | |
| </PRE> | |
| _EOF_ | |
| else | |
| echo "No such user">&2 | |
| exit 1 | |
| fi | |
| reset_IFS | |
| } | |
| reset_IFS(){ | |
| IFS=$OLD_IFS | |
| } | |
| generate_main_html(){ | |
| # func prints main html page | |
| cat << _EOF_ | |
| <HTML> | |
| <HEAD> | |
| <TITLE>$TITLE</TITLE> | |
| </HEAD> | |
| <BODY> | |
| <H1>$TITLE</H1> | |
| $(user_info) | |
| $(report_services) | |
| $(report_selinux) | |
| $(report_freespace) | |
| $(report_largests_files) | |
| $(report_uptime) | |
| <P><i>$TIMESTAMP</i></P> | |
| </BODY> | |
| </HTML> | |
| _EOF_ | |
| } | |
| if [ -n $1 ]; then | |
| case $1 in | |
| -h|--help) | |
| usage | |
| ;; | |
| -o|--output) | |
| if [ -e $2 ]; then # If file exists | |
| echo "file: $2 already exists" | |
| exit 1 | |
| fi | |
| generate_main_html > $2 | |
| if [ $? -ne 0 ]; then | |
| echo "Error, something went wrong">&2 | |
| exit 1 | |
| else | |
| echo "$2 succesfully generated" | |
| fi | |
| ;; | |
| pattern ) | |
| ;; | |
| pattern ) | |
| ;; | |
| *) | |
| echo "Invalid parameter">&2 | |
| usage>&2 | |
| exit 1 | |
| ;; | |
| esac | |
| fi |
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