-L                   possibly with LWP and NLWP columns                         -m, m                after processes                                            -T                   possibly with SPID column                                                                                                                 For more details see ps(1).                                                     admin@i-06321e2dae7759c94:~$ sudo lsof -i -P -n | grep LISTEN                                                                                                   We trust you have received the usual lecture from the local System              Administrator. It usually boils down to these three things:                                                                                                         #1) Respect the privacy of others.                                              #2) Think before you type.                                                      #3) With great power comes great responsibility.                                                                                                            [sudo] password for admin:                                                      

admin@i-0db08a32edef2fcc2:~$                                                    

nvme0n1      259:0    0    8G  0 disk                                           ├─nvme0n1p1  259:2    0  7.9G  0 part /                                         ├─nvme0n1p14 259:3    0    3M  0 part                                           └─nvme0n1p15 259:4    0  124M  0 part /boot/efi                                 nvme2n1      259:1    0    1G  0 disk                                           nvme1n1      259:5    0    1G  0 disk                                           admin@i-09cf4af9b2e96eac2:~$ df -h                                              Filesystem       Size  Used Avail Use% Mounted on                               udev             217M     0  217M   0% /dev                                     tmpfs             46M  368K   46M   1% /run                                     /dev/nvme0n1p1   7.7G  6.1G  1.2G  84% /                                        tmpfs            228M   12K  228M   1% /dev/shm                                 tmpfs            5.0M     0  5.0M   0% /run/lock                                /dev/nvme0n1p15  124M  5.9M  118M   5% /boot/efi                                admin@i-09cf4af9b2e96eac2:~$                                                    

cast/                  dpkg.log               messages.2.gz          user.log.2.chrony/                dpkg.log.1             minio.log              wtmp       admin@i-069e102734ffdd250:~$ less /var/log/messages                             admin@i-069e102734ffdd250:~$ cd /var/log/                                       admin@i-069e102734ffdd250:/var/log$ ls                                          alternatives.log    cast                   debug.1     kern.log.2.gz  syslog    alternatives.log.1  chrony                 debug.2.gz  lastlog        syslog.1  apt                 cloud-init-output.log  dpkg.log    messages       syslog.2.gauth.log            cloud-init.log         dpkg.log.1  messages.1     unattendedauth.log.1          daemon.log             faillog     messages.2.gz  user.log  auth.log.2.gz       daemon.log.1           journal     minio.log      user.log.1btmp                daemon.log.2.gz        kern.log    private        user.log.2btmp.1              debug                  kern.log.1  runit          wtmp      admin@i-069e102734ffdd250:/var/log$ less auth.log                               admin@i-069e102734ffdd250:/var/log$ less