server | info

System Information

Reference:

wiki.arch   pixelbeat  

login info:

w

last

sudo lastb

lastlog

system info:

dmesg

lsb_release -a

inxi -Filxp

vps info:

sudo virt-what

system load:

free -h

cat /proc/loadavg

mpstat

kernel parameters:

sysctl -a

repo keys:

sudo apt-key list

general disk info

disk usage and io info:

df -h

ncdu

sudo ioping -R /

sudo hdparm -t /dev/sda2

sudo smartctl -Hi /dev/sda

sudo iotop

sudo iostat

process info:

top

htop

ps aux | less

glances

startup info:

service --status-all

initctl list

initctl show-config

cat /etc/rc.local

network info

(kaynak)   (ipv6)  

sudo nethogs eth0

sudo nload eth0

sudo iptraf

sudo iftop

cat /etc/services | grep portnumber

ifconfig -a

ethtool eth0

cat /proc/net/dev

sudo lspci | egrep -i --color 'network|ethernet'

lspci -vxx

sudo netstat -tpaln

lsof -nPi

ss -nlpaxtudw

tc (show / manipulate traffic control settings)

ip link list

ip address show

ip route show

ip neigh show

domain/website info

mtr example.com

traceroute example.com

nslookup example.com

dig example.com

host -a example.com

host example.com

nmap

nmap -v -sT localhost

sudo nmap -v -sS localhost

OS detection:

sudo nmap -O example.com

show open nfs ports

showmount -e 192.168.1.55

see last modified logs:

ls -ltr /var/log | tail

boot logs:

dmesg | less

less /var/log/boot.log

logs to check:

sudo cat /var/log/fail2ban.log

sudo less /var/log/nginx/access.log

sudo less /var/log/nginx/error.log

sudo cat /var/log/mail.log

less /var/log/syslog