I put together a quick bash shell script to view system info at a glance. I know there are existing tools for this like inxi , but I wanted to put something together I can copypasta. This is specific to RHEL, Centos and Sci Linux but it can be easily adapted for other distros.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 #!/bin/bash echo "================================ Service restarts today: =====================================" output=$(journalctl --since today | grep -v slice | egrep "Starting|Stopping" | grep -v systemd) echo "$output " echo "================================ User logins today: ==========================================" output=$(journalctl --since today | grep -v slice | grep pam_unix) echo "$output " echo "================================ Non core processes: =========================================" pstree -n | grep -v lvmeta | grep -v systemd | grep -v rhn | grep -v dbus-daemon | grep -v crond | grep -v agetty | grep -v oddjobd | grep -v vmtoolsd | grep -v tuned | grep -v rsyslog | grep -v irqbalance | grep -v ntpd | grep -v sssd | grep -v qmgr | grep -v pickup | grep -v puppet | grep -v mcollectived | grep -v dhclient | grep -v sshd | grep -v nrpe | grep -v collectd | grep -v xinetd | grep -v consul | grep -v rpcbind | grep -v grep echo "================================ Open ports: =================================================" sudo netstat -ntpl | grep -v ssh | grep -v nrpe | grep -v master | grep -v "rpc" | grep -v Active | grep -v Proto | grep -v xinetd | grep -v systemd | sed -e "s/:::/0.0.0.0:/g" | tr -s " " | cut -f4,7- -d " " echo "================================ Open Sockets: ===============================================" sudo systemctl list-sockets echo "================================ Uptime: =====================================================" uptime echo "================================ Users: ======================================================" who echo "================================ Volume Info: ================================================“ lvdisplay | grep " LV Name" vgdisplay | grep " VG Name"