Frequent used
commands: ASA/Windows/Linux
To check which all adapter are up?
sudo -i
sudo mii-tool
sudo -i
sudo mii-tool
To make a http request from a shell?
wget
Some linux commands.
sudo -s : open a root shell
apt-get update : refresh available updates
apt-get upgrade : upgrade all pkgs
apt-get install pkg : install pkg
ifconfig : show network information
iwconfig : show wireless information
sudo /etc/init.d/networking restart : reset network for manual configuration
file /etc/network/interfaces : manual configuration
ifup interface : bring interface online
if down interface : disable interface
ufw enable : turn on fw
ufw disable : turn off fw
ufw default allow : allow all connection by default
ufw default deny : drop all connection by default
ufw status : current status and rules
ufw allow port : allow traffic on port
ufw deny from ip : block ip address
uname -a : get all kernel information
sudo -s : open a root shell
apt-get update : refresh available updates
apt-get upgrade : upgrade all pkgs
apt-get install pkg : install pkg
ifconfig : show network information
iwconfig : show wireless information
sudo /etc/init.d/networking restart : reset network for manual configuration
file /etc/network/interfaces : manual configuration
ifup interface : bring interface online
if down interface : disable interface
ufw enable : turn on fw
ufw disable : turn off fw
ufw default allow : allow all connection by default
ufw default deny : drop all connection by default
ufw status : current status and rules
ufw allow port : allow traffic on port
ufw deny from ip : block ip address
uname -a : get all kernel information
How to configure multiple ip address on same NIC on ubuntu?
ifconfig eth1.11 60.1.1.11/24 up
ifconfig eth1.11 60.1.1.11/24 up
How to find your router’s ip address ?
MBIDSAR-M-X1PX:~ root# route -n get google.com
MBIDSAR-M-X1PX:~ root# route -n get google.com
route to:
172.217.8.14
destination: default
mask:
default
gateway:
72.163.208.1
interface: en0
flags:
<UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount
mtu expire
0
0
0
0
0
0
1500
0
MBIDSAR-M-X1PX:~
root#
How to check DNS server used ?
MBIDSAR-M-X1PX:~ root# nslookup google.com
MBIDSAR-M-X1PX:~ root# nslookup google.com
Server: 72.163.128.140
Address: 72.163.128.140#53
Non-authoritative
answer:
Name: google.com
Address: 172.217.8.14
MBIDSAR-M-X1PX:~
root#
How to open site from terminal?
MBIDSAR-M-X1PX:~ root# open -a firefox -g http://news.google.com
MBIDSAR-M-X1PX:~ root# open -a firefox -g http://news.google.com
MBIDSAR-M-X1PX:~
root# open -a firefox -g $HOME
MBIDSAR-M-X1PX:~
root#
How to check Event Viewer logs on windows for RA client?
Right click on computer -> Manage -> system tools -> Event viewer -> windows logs -> Application
check for Ras Client which is VPN client.
Right click on computer -> Manage -> system tools -> Event viewer -> windows logs -> Application
check for Ras Client which is VPN client.
How to convert ipv4 to ipv6 ?
convert ipv4 to ipv6
60.1.1.10/24 to 60:1:1::10/96
convert ipv4 to ipv6
60.1.1.10/24 to 60:1:1::10/96
How to create alias on ASA?
ASA# show run all command-alias
command-alias exec h help
command-alias exec lo logout
command-alias exec p ping
command-alias exec s show
ASA# show run all command-alias
command-alias exec h help
command-alias exec lo logout
command-alias exec p ping
command-alias exec s show
How to configure mac-address on ASA?
int g0/0
mac-address aaaa.1111.333a
To check all vlans configured on switch
Switch#show run vlan
int g0/0
mac-address aaaa.1111.333a
To check all vlans configured on switch
Switch#show run vlan
How to check routes on Linux ?
[root@iLnxRTR3 ~]# route -n
How to add ipv4 route in Linux ?
route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.18.1.100
route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.18.1.100
How to reload IOS router ?
boot system disk0:/Image
wr
reload
or
reload save-config no-confirm
boot system disk0:/Image
wr
reload
or
reload save-config no-confirm
Two ways to execute scripts
1. sh name.sh == run time execution, no need for permission to execute
2. ./name.sh absolute path way of execution, need permission to execute
1. sh name.sh == run time execution, no need for permission to execute
2. ./name.sh absolute path way of execution, need permission to execute
How to turn web server on routers on that we can telnet them.
R#ip http server
line vty 0 4
no login
end
R#ip http server
line vty 0 4
no login
end
How to configure ip address in linux ?
sudo ifconfig ens33 172.16.121.10 netmask 255.255.255.0
sudo ifconfig ens33 172.16.121.10 netmask 255.255.255.0
How to configure ip address in windows using CLI?
netsh interface ipv4 show config
netsh interface ipv4 set address name="YOUR INTERFACE NAME" static IP_ADDRESS SUBNET_MASK GATEWAY
netsh interface ipv4 set address name=“xxxxx” static 60.1.1.15 255.255.255.0 60.1.1.1
netsh interface ipv4 show config
netsh interface ipv4 set address name="YOUR INTERFACE NAME" static IP_ADDRESS SUBNET_MASK GATEWAY
netsh interface ipv4 set address name=“xxxxx” static 60.1.1.15 255.255.255.0 60.1.1.1
How to do repeated ping from windows ?
ping 90.1.1.10 -t
How to configure ipv6 address in windows from cmd ?
netsh interface ipv6 add address "Local Area Connection" 2001:db8:290c:1291::1
ping 90.1.1.10 -t
How to configure ipv6 address in windows from cmd ?
netsh interface ipv6 add address "Local Area Connection" 2001:db8:290c:1291::1
How to configure ipv6 address in Ubuntu /Linux?
/sbin/ip -6 addr add 2001:0db8:0:f101::1/64 dev eth1
How to add static route on Linux host ubuntu ?
route add -net 10.10.10.0 netmask 255.255.255.0 gw 192.168.1.1 dev eth0
route add -net 10.10.10.0 netmask 255.255.255.0 gw 192.168.1.1 dev eth0
To ping ipv6 address
ping6
ping6
How to disable firewall on Linux ubuntu ?
to install ufw
apt-get install ufw
sudo ufw disable
sudo ufw enable : for enable
to check status : sudo ufw status
apt-get install ufw
sudo ufw disable
sudo ufw enable : for enable
to check status : sudo ufw status
How to delete route ?
# /sbin/ip -6 route del default via 2001:0db8:0:f101::1
# /sbin/ip -6 route del default via 2001:0db8:0:f101::1
How to add route in win host?
go to start -> Run command line as administrator - >
route add 160.1.1.0 mask 255.255.255.0 180.1.1.10
go to start -> Run command line as administrator - >
route add 160.1.1.0 mask 255.255.255.0 180.1.1.10
To add route persistently :
route add 160.1.1.0 mask 255.255.255.0 180.1.1.10 -p
route add 160.1.1.0 mask 255.255.255.0 180.1.1.10 -p
How to connect to website through port using ipv4 and ipv6?
http://180.1.1.10:90
http://[2001:db8:90::2]:90/
http://180.1.1.10:90
http://[2001:db8:90::2]:90/
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