'서울42'에 해당되는 글 7건

#!/bin/bash

uname_all=$(uname --all)
cpu_pro=$(grep "physical id" /proc/cpuinfo | uniq | wc -l)
vcpu_pro=$(grep "^processor" /proc/cpuinfo | wc -l)
memory_use=$(free --mega | grep Mem | awk '{printf("%i/%iMB (%.2f%%)\n", $3, $2, $3/$2*100)}')
disk_usd=$(df --total --human-readable | grep "total" | awk '{printf("%s/%s (%s)\n", $3, $4, $5)}')
cpu_load=$(top -bn1 | grep "%Cpu" | awk '{printf("%.1f%%\n", (100.0-$8)%100)}')
last_boot=$(who --boot | awk '{printf("%s %s", $3, $4)}')
lvm_use=$(if [ $(lsblk | grep "lvm" | wc -l) -eq 0 ]; then echo "no"; else echo "yes"; fi)
tcp_con=$(ss -s | grep "TCP:" | tr ',' ' ' | awk '{printf("%s ESTABLISHED\n", $4)}')
user_log=$(who --count | grep "users" | tr '=' ' ' | awk '{print $3}')
ip=$(hostname -I)
mac_ip=$(ip a | grep $ip -B 3 | awk '$1 == "link/ether" {print $2}' | head -n 1)
sudo_work=$(sudo find /var/log/sudo/*/*/* -type d | wc -l)
#sudo_work=$(journalctl _COMM=sudo | grep COMMAND | wc -l)

wall "	#Architecure: $uname_all
	#CPU physical : $cpu_pro
	#vCPU : $vcpu_pro
	#Memory Usage: $memory_use
	#Disk Usage: $disk_usd
	#CPU load: $cpu_load
	#Last boot: $last_boot
	#LVM use: $lvm_use
	#Connection TCP : $tcp_con
	#User log: $user_log
	#Network: IP $ip($mac_ip)
	#Sudo : $sudo_work cmd"

# Configuration for systemwide password quality limits
# Defaults:
#
# Number of characters in the new password that must not be present in the
# old password.
difok = 7
#
# Minimum acceptable size for the new password (plus one if
# credits are not disabled which is the default). (See pam_cracklib manual.)
# Cannot be set to lower value than 6.
minlen = 10
#
# The maximum credit for having digits in the new password. If less than 0
# it is the minimum number of digits in the new password.
dcredit = -1
#
# The maximum credit for having uppercase characters in the new password.
# If less than 0 it is the minimum number of uppercase characters in the new
# password.
ucredit = -1
#
# The maximum credit for having lowercase characters in the new password.
# If less than 0 it is the minimum number of lowercase characters in the new
# password.
# lcredit = 0
#
# The maximum credit for having other characters in the new password.
# If less than 0 it is the minimum number of other characters in the new
# password.
# ocredit = 0
#
# The minimum number of required classes of characters for the new
# password (digits, uppercase, lowercase, others).
# minclass = 0
#
# The maximum number of allowed consecutive same characters in the new password.
# The check is disabled if the value is 0.
maxrepeat = 3
#
# The maximum number of allowed consecutive characters of the same class in the
# new password.
# The check is disabled if the value is 0.
# maxclassrepeat = 0
#
# Whether to check for the words from the passwd entry GECOS string of the user.
# The check is enabled if the value is not 0.
gecoscheck = 1
#
# Whether to check for the words from the cracklib dictionary.
# The check is enabled if the value is not 0.
# dictcheck = 1
#
# Whether to check if it contains the user name in some form.
# The check is enabled if the value is not 0.
usercheck = 1
#
# Length of substrings from the username to check for in the password
# The check is enabled if the value is greater than 0 and usercheck is enabled.
# usersubstr = 0
#
# Whether the check is enforced by the PAM module and possibly other
# applications.
# The new password is rejected if it fails the check and the value is not 0.
# enforcing = 1
#
# Path to the cracklib dictionaries. Default is to use the cracklib default.
# dictpath =
#
# Prompt user at most N times before returning with error. The default is 1.
# retry = 3
#
# Enforces pwquality checks on the root user password.
# Enabled if the option is present.
enforce_for_root
#
# Skip testing the password quality for users that are not present in the
# /etc/passwd file.
# Enabled if the option is present.
# local_users_only