Nk_memory_by_users

[root@cloudvpsserver ~]# nk_memory_by_users
User      │  Mem-Used  Mem-Percent  │
root      │  412MB     22.5%        │
nobody    │  101MB     5.50%        │
telegraf  │  35MB      1.86%        │
systuser  │  25MB      1.33%        │
lwadmin+  │  21MB      1.12%        │
dovenull  │  17MB      0.91%        │
mysql     │  14MB      0.74%        │
wp-tool+  │  8.9MB     0.48%        │
nscd      │  5.8MB     0.31%        │
named     │  4.2MB     0.22%        │
cpanelc+  │  3.8MB     0.20%        │
dovecot   │  2.8MB     0.14%        │
mailnull  │  2.3MB     0.12%        │
polkitd   │  1.7MB     0.09%        │
dbus      │  1.7MB     0.08%        │
chrony    │  1.5MB     0.07%        │

nk_memory_by_users() {
gen_body() {
ps_snapshot_file="/root/.ps_snapshot"
ps faux > "$ps_snapshot_file"
mem_total="$(free -b | awk '/Mem:/ {print $2}')"

gen_active_users() {
    awk '{print $1}' "$ps_snapshot_file" | sort | uniq | grep -v "USER"
}

echo "User │ Mem-Used Mem-Percent │"
for user in $(gen_active_users); do
    mem_used="$(grep -E "^$user" $ps_snapshot_file | awk '{sum += $6}  END {print sum*1000}')"
    mem_used_human="$(numfmt --to=iec --suffix=B "$mem_used")"
    mem_percent="$(nk_percent "$mem_used" "$mem_total")"
    echo "$user │ $mem_used_human $mem_percent │"
done | sort -rh -k 3
}

gen_body | column -t
rm -f "$ps_snapshot_file"
}