14:22:38
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$ssh ec2-52-48-225-79.eu-west-1.compute.amazonaws.com
The authenticity of host 'ec2-52-48-225-79.eu-west-1.compute.amazonaws.com (52.48.225.79)' can't be established.
ECDSA key fingerprint is SHA256:b+0iVZyiDkP9WG0SAC8eIgAen4vuU1Y31XzM0XlzBAI.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'ec2-52-48-225-79.eu-west-1.compute.amazonaws.com,52.48.225.79' (ECDSA) to the list of known hosts.
__| __|_ )
_| ( / Amazon Linux 2 AMI
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https://aws.amazon.com/amazon-linux-2/
1 package(s) needed for security, out of 5 available
Run "sudo yum update" to apply all updates.
[ec2-user@ip-10-1-1-175 ~]$ curl http://169.254.169.254/1.0/ meta-data; echo
meta-datacurl: (6) Could not resolve host: meta-data
[ec2-user@ip-10-1-1-175 ~]$ curl http://169.254.169.254/
1.0
2007-01-19
2007-03-01
2007-08-29
2007-10-10
2007-12-15
2008-02-01
2008-09-01
2009-04-04
2011-01-01
2011-05-01
2012-01-12
2014-02-25
2014-11-05
2015-10-20
2016-04-19
2016-06-30
2016-09-02
2018-03-28
2018-08-17
2018-09-24
latest[ec2-user@ip-10-1-1-175 ~]$ curl http://169.254.169.254/latest
dynamic
meta-data[ec2-user@ip-10-1-1-175 ~]$ curl http://169.254.169.254/latest/meta-data/; echo
ami-id
ami-launch-index
ami-manifest-path
block-device-mapping/
events/
hostname
instance-action
instance-id
instance-type
local-hostname
local-ipv4
mac
metrics/
network/
placement/
profile
public-hostname
public-ipv4
public-keys/
reservation-id
security-groups
services/
[ec2-user@ip-10-1-1-175 ~]$ find /sys -name nvme2
find: ‘/sys/kernel/debug’: Permission denied
find: ‘/sys/fs/pstore’: Permission denied
[ec2-user@ip-10-1-1-175 ~]$ su-
-bash: su-: command not found
[ec2-user@ip-10-1-1-175 ~]$ su -l
Password:
su: Authentication failure
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$ su -
Password:
su: Authentication failure
[ec2-user@ip-10-1-1-175 ~]$ find /sys -name nvme1
find: ‘/sys/kernel/debug’: Permission denied
/sys/class/nvme/nvme1
/sys/devices/pci0000:00/0000:00:1f.0/nvme/nvme1
find: ‘/sys/fs/pstore’: Permission denied
[ec2-user@ip-10-1-1-175 ~]$ sudo find /sys -name nvme1
/sys/class/nvme/nvme1
/sys/devices/pci0000:00/000000:1f.0/nvme/nvme1 /sys/devices/pci0000:00/0000:00:1f.0/nvme/m
[ec2-user@ip-10-1-1-175 ~]$ cat /sys/devices/pci0000:00/0000:00:1f.0/nvme/nvme1/model
Amazon EC2 NVMe Instance Storage 0/nvme/nvme1: Is a directory cat /sys/devices/pci0000:00/0000:00:1f.0/nvme/nvme1
cat: /sys/devices/pci0000:00/000cat /sys/devices/pci0000:00/0000:00:1f.0/nvme/nvme1
[ec2-user@ip-10-1-1-175 ~]$ ifcofig a
[ec2-user@ip-10-1-1-175 ~]$ sudo /sys/devices/pci0000:00/0000:00:1f.0/nvme/nvme1
-bash: ifcofig: command not found
[ec2-user@ip-10-1-1-175 ~]$ ifconfig a
a: error fetching interface information: Device not found
[ec2-user@ip-10-1-1-175 ~]$ ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9001
inet 10.1.1.175 netmask 255.255.255.0 broadcast 10.1.1.255
inet6 fe80::866:8aff:feb7:1a54 prefixlen 64 scopeid 0x20<link>
ether 0a:66:8a:b7:1a:54 txqueuelen 1000 (Ethernet)
RX packets 19020 bytes 26124077 (24.9 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 4926 bytes 329368 (321.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 8 bytes 648 (648.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 8 bytes 648 (648.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[ec2-user@ip-10-1-1-175 ~]$ ping 10.1.1.221
PING 10.1.1.221 (10.1.1.221) 56(84) bytes of data.
exit
~
64 bytes from 10.1.1.221: icmp_seq=327 ttl=255 time=0.413 ms
64 bytes from 10.1.1.221: icmp_seq=328 ttl=255 time=0.296 ms
64 bytes from 10.1.1.221: icmp_seq=329 ttl=255 time=0.303 ms
64 bytes from 10.1.1.221: icmp_seq=330 ttl=255 time=0.288 ms
64 bytes from 10.1.1.221: icmp_seq=331 ttl=255 time=0.378 ms
64 bytes from 10.1.1.221: icmp_seq=332 ttl=255 time=0.295 ms
64 bytes from 10.1.1.221: icmp_seq=333 ttl=255 time=0.258 ms
64 bytes from 10.1.1.221: icmp_seq=334 ttl=255 time=0.303 ms
64 bytes from 10.1.1.221: icmp_seq=335 ttl=255 time=0.300 ms
64 bytes from 10.1.1.221: icmp_seq=336 ttl=255 time=0.302 ms
64 bytes from 10.1.1.221: icmp_seq=337 ttl=255 time=0.364 ms
64 bytes from 10.1.1.221: icmp_seq=338 ttl=255 time=0.367 ms
64 bytes from 10.1.1.221: icmp_seq=339 ttl=255 time=2.10 ms
64 bytes from 10.1.1.221: icmp_seq=340 ttl=255 time=0.374 ms
64 bytes from 10.1.1.221: icmp_seq=341 ttl=255 time=0.341 ms
64 bytes from 10.1.1.221: icmp_seq=342 ttl=255 time=0.269 ms
64 bytes from 10.1.1.221: icmp_seq=343 ttl=255 time=0.459 ms
64 bytes from 10.1.1.221: icmp_seq=344 ttl=255 time=0.508 ms
64 bytes from 10.1.1.221: icmp_seq=345 ttl=255 time=0.309 ms
64 bytes from 10.1.1.221: icmp_seq=346 ttl=255 time=0.323 ms
64 bytes from 10.1.1.221: icmp_seq=347 ttl=255 time=0.343 ms
64 bytes from 10.1.1.221: icmp_seq=348 ttl=255 time=0.321 ms
^C
--- 10.1.1.221 ping statistics ---
348 packets transmitted, 22 received, 93% packet loss, time 355284ms
rtt min/avg/max/mdev = 0.258/0.418/2.100/0.372 ms
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
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[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$ sudo yum ipef
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
No such command: ipef. Please use /bin/yum --help
[ec2-user@ip-10-1-1-175 ~]$
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[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$
[ec2-user@ip-10-1-1-175 ~]$ sudo yum install iperf
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
amzn2-core | 2.4 kB 00:00:00
No package iperf available.
Error: Nothing to do
[ec2-user@ip-10-1-1-175 ~]$ sudo yum install iperf*
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
Resolving Dependencies
--> Running transaction check
---> Package iperf3.x86_64 0:3.1.7-2.amzn2.0.2 will be installed
---> Package iperf3-devel.x86_64 0:3.1.7-2.amzn2.0.2 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===========================================================================================
Package Arch Version Repository Size
===========================================================================================
Installing:
iperf3 x86_64 3.1.7-2.amzn2.0.2 amzn2-core 79 k
iperf3-devel x86_64 3.1.7-2.amzn2.0.2 amzn2-core 8.4 k
Transaction Summary
===========================================================================================
Install 2 Packages
Total download size: 87 k
Installed size: 212 k
Is this ok [y/d/N]: n
Exiting on user command
Your transaction was saved, rerun it with:
yum load-transaction /tmp/yum_save_tx.2018-12-18.13-52.eO2gAF.yumtx
[ec2-user@ip-10-1-1-175 ~]$ sudo yum install iperf3
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
Resolving Dependencies
--> Running transaction check
---> Package iperf3.x86_64 0:3.1.7-2.amzn2.0.2 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===========================================================================================
Package Arch Version Repository Size
===========================================================================================
Installing:
iperf3 x86_64 3.1.7-2.amzn2.0.2 amzn2-core 79 k
Transaction Summary
===========================================================================================
Install 1 Package
Total download size: 79 k
Installed size: 196 k
Is this ok [y/d/N]: y
Downloading packages:
iperf3-3.1.7-2.amzn2.0.2.x86_64.rpm | 79 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : iperf3-3.1.7-2.amzn2.0.2.x86_64 1/1
Verifying : iperf3-3.1.7-2.amzn2.0.2.x86_64 1/1
Installed:
iperf3.x86_64 0:3.1.7-2.amzn2.0.2
Complete!
[ec2-user@ip-10-1-1-175 ~]$ sudo iperf3 -c 10.1.1.22
Connecting to host 10.1.1.22, port 5201
[ 4] local 10.1.1.175 port 47920 connected to 10.1.1.22 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 595 MBytes 4.99 Gbits/sec 31 350 KBytes
[ 4] 1.00-2.00 sec 595 MBytes 4.99 Gbits/sec 3 638 KBytes
[ 4] 2.00-3.00 sec 593 MBytes 4.97 Gbits/sec 0 655 KBytes
[ 4] 3.00-4.00 sec 590 MBytes 4.95 Gbits/sec 31 288 KBytes
[ 4] 4.00-5.00 sec 593 MBytes 4.97 Gbits/sec 6 612 KBytes
[ 4] 5.00-6.00 sec 592 MBytes 4.97 Gbits/sec 23 306 KBytes
[ 4] 6.00-7.00 sec 592 MBytes 4.97 Gbits/sec 27 332 KBytes
[ 4] 7.00-8.00 sec 593 MBytes 4.98 Gbits/sec 10 533 KBytes
[ 4] 8.00-9.00 sec 592 MBytes 4.97 Gbits/sec 62 288 KBytes
[ 4] 9.00-10.00 sec 593 MBytes 4.97 Gbits/sec 21 743 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 5.79 GBytes 4.97 Gbits/sec 214 sender
[ 4] 0.00-10.00 sec 5.79 GBytes 4.97 Gbits/sec receiver
iperf Done.
[ec2-user@ip-10-1-1-175 ~]$ ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9001
inet 10.1.1.175 netmask 255.255.255.0 broadcast 10.1.1.255
inet6 fe80::866:8aff:feb7:1a54 prefixlen 64 scopeid 0x20<link>
ether 0a:66:8a:b7:1a:54 txqueuelen 1000 (Ethernet)
RX packets 358465 bytes 48706128 (46.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 700404 bytes 6261680319 (5.8 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 8 bytes 648 (648.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 8 bytes 648 (648.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[ec2-user@ip-10-1-1-175 ~]$ sudo iperf3 -s 10.1.1.175
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 10.1.1.22, port 35444
[ 5] local 10.1.1.175 port 5201 connected to 10.1.1.22 port 35446
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-1.00 sec 568 MBytes 4.77 Gbits/sec
[ 5] 1.00-2.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 2.00-3.00 sec 583 MBytes 4.89 Gbits/sec
[ 5] 3.00-4.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 4.00-5.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 5.00-6.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 6.00-7.00 sec 592 MBytes 4.97 Gbits/sec
[ 5] 7.00-8.00 sec 571 MBytes 4.79 Gbits/sec
[ 5] 8.00-9.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 9.00-10.00 sec 593 MBytes 4.97 Gbits/sec
[ 5] 10.00-10.04 sec 25.0 MBytes 4.97 Gbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-10.04 sec 0.00 Bytes 0.00 bits/sec sender
[ 5] 0.00-10.04 sec 5.76 GBytes 4.93 Gbits/sec receiver
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 10.1.1.35, port 35040
[ 5] local 10.1.1.175 port 5201 connected to 10.1.1.35 port 35042
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-1.00 sec 116 MBytes 972 Mbits/sec
[ 5] 1.00-2.00 sec 121 MBytes 1.01 Gbits/sec
[ 5] 2.00-3.00 sec 121 MBytes 1.01 Gbits/sec
[ 5] 3.00-4.00 sec 120 MBytes 1.01 Gbits/sec
[ 5] 4.00-5.00 sec 120 MBytes 1.01 Gbits/sec
[ 5] 5.00-6.00 sec 120 MBytes 1.00 Gbits/sec
[ 5] 6.00-7.00 sec 118 MBytes 988 Mbits/sec
[ 5] 7.00-8.00 sec 118 MBytes 988 Mbits/sec
[ 5] 8.00-9.00 sec 119 MBytes 996 Mbits/sec
[ 5] 9.00-10.00 sec 118 MBytes 992 Mbits/sec
[ 5] 10.00-10.05 sec 5.50 MBytes 998 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-10.05 sec 0.00 Bytes 0.00 bits/sec sender
[ 5] 0.00-10.05 sec 1.17 GBytes 998 Mbits/sec receiver
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
^Ciperf3: interrupt - the server has terminated
[ec2-user@ip-10-1-1-175 ~]$ exit
logout
Connection to ec2-52-48-225-79.eu-west-1.compute.amazonaws.com closed.
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