Show system info on terminal login
- system-info.sh
#!/bin/bash echo -e "-------------------------------System Information----------------------------" echo -e "Hostname:\t\t"`hostname` echo -e "uptime:\t\t\t"`uptime | awk '{print $3,$4}' | sed 's/,//'` echo -e "Manufacturer:\t\t"`cat /sys/class/dmi/id/chassis_vendor` echo -e "Product Name:\t\t"`cat /sys/class/dmi/id/product_name` echo -e "Version:\t\t"`cat /sys/class/dmi/id/product_version` echo -e "Serial Number:\t\t"`cat /sys/class/dmi/id/product_serial` echo -e "Machine Type:\t\t"`vserver=$(lscpu | grep Hypervisor | wc -l); if [ $vserver -gt 0 ]; then echo "VM"; else echo "Physical"; fi` echo -e "Operating System:\t"`hostnamectl | grep "Operating System" | cut -d ' ' -f5-` echo -e "Kernel:\t\t\t"`uname -r` echo -e "Architecture:\t\t"`arch` echo -e "Processor Name:\t\t"`awk -F':' '/^model name/ {print $2}' /proc/cpuinfo | uniq | sed -e 's/^[ \t]*//'` echo -e "Active User:\t\t"`w | cut -d ' ' -f1 | grep -v USER | xargs -n1` echo -e "System Main IP:\t\t"`hostname -I` echo "" echo -e "-------------------------------CPU/Memory Usage------------------------------" echo -e "Memory Usage:\t"`free | awk '/Mem/{printf("%.2f%"), $3/$2*100}'` echo -e "Swap Usage:\t"`free | awk '/Swap/{printf("%.2f%"), $3/$2*100}'` echo -e "CPU Usage:\t"`cat /proc/stat | awk '/cpu/{printf("%.2f%\n"), ($2+$4)*100/($2+$4+$5)}' | awk '{print $0}' | head -1` echo "" echo -e "-------------------------------Disk Usage >80%-------------------------------" df -Ph | sed s/%//g | awk '{ if($5 > 80) print $0;}' echo "" echo -e "-------------------------------For WWN Details-------------------------------" vserver=$(lscpu | grep Hypervisor | wc -l) if [ $vserver -gt 0 ] then echo "$(hostname) is a VM" else cat /sys/class/fc_host/host?/port_name fi echo "" echo -e "-------------------------------Oracle DB Instances---------------------------" if id oracle >/dev/null 2>&1; then /bin/ps -ef|grep pmon then else echo "oracle user does not exist on $(hostname)" fi echo "" if (( $(cat /etc/*-release | grep -w "Oracle|Red Hat|CentOS|Fedora" | wc -l) > 0 )) then echo -e "-------------------------------Package Updates-------------------------------" yum updateinfo summary | grep 'Security|Bugfix|Enhancement' echo -e "-----------------------------------------------------------------------------" else echo -e "-------------------------------Package Updates-------------------------------" cat /var/lib/update-notifier/updates-available echo -e "-----------------------------------------------------------------------------" fi
Mark it as executable, and run it via .bashrc