Linux suddenly can not ssh yesterday is still normal use [on hold] Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) 2019 Community Moderator Election Results Why I closed the “Why is Kali so hard” questionsuddenly no service, except ssh is accessible from wancan one use script commands in systemd Environment field?Can I use systemd to start and stop a service based on the presence of a file?Does Yocto linux use SysVinit or systemd?How to start and use ssh-agent as systemd service?Starting systemd service after network-online.target but DNS is still not availableWhy do people still use SFTP jails based on SSH chroot rather than namespace capabilities of Systemd?Linux Systemd conflicts doesn't seem to use ExecStopPostCan tmpfiles.d remove files based on time only (but not at boot)?How can I run systemd as a process with pid 1 and with pid not 1?
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Linux suddenly can not ssh yesterday is still normal use [on hold]
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
2019 Community Moderator Election Results
Why I closed the “Why is Kali so hard” questionsuddenly no service, except ssh is accessible from wancan one use script commands in systemd Environment field?Can I use systemd to start and stop a service based on the presence of a file?Does Yocto linux use SysVinit or systemd?How to start and use ssh-agent as systemd service?Starting systemd service after network-online.target but DNS is still not availableWhy do people still use SFTP jails based on SSH chroot rather than namespace capabilities of Systemd?Linux Systemd conflicts doesn't seem to use ExecStopPostCan tmpfiles.d remove files based on time only (but not at boot)?How can I run systemd as a process with pid 1 and with pid not 1?
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Yesterday, my login was normal. I came to the company today and found that I can't log in to the host, prompting timeout.
The information after my debug is like this
OpenSSH, OpenSSL 1.0.1 14 Mar 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 56: Applying options for *
debug1: Connecting to 192.168.43.83 port 22.
debug1: connect to address 192.168.43.83 port 22: Connection time out
ssh: connect to address 192.168.43.83 port 22: Connection time out
After the restart, it will be restored. The decisive time is like this again.
systemd
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
put on hold as too broad by G-Man, Sparhawk, JdeBP, Rui F Ribeiro, Jeff Schaller♦ Apr 11 at 8:06
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
|
show 2 more comments
Yesterday, my login was normal. I came to the company today and found that I can't log in to the host, prompting timeout.
The information after my debug is like this
OpenSSH, OpenSSL 1.0.1 14 Mar 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 56: Applying options for *
debug1: Connecting to 192.168.43.83 port 22.
debug1: connect to address 192.168.43.83 port 22: Connection time out
ssh: connect to address 192.168.43.83 port 22: Connection time out
After the restart, it will be restored. The decisive time is like this again.
systemd
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
put on hold as too broad by G-Man, Sparhawk, JdeBP, Rui F Ribeiro, Jeff Schaller♦ Apr 11 at 8:06
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
What happens if you ping the address:ping 192.168.43.83? What happens if you try to telnet to the port:telnet 192.168.43.83 22?
– marshki
Apr 11 at 3:55
1
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58
|
show 2 more comments
Yesterday, my login was normal. I came to the company today and found that I can't log in to the host, prompting timeout.
The information after my debug is like this
OpenSSH, OpenSSL 1.0.1 14 Mar 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 56: Applying options for *
debug1: Connecting to 192.168.43.83 port 22.
debug1: connect to address 192.168.43.83 port 22: Connection time out
ssh: connect to address 192.168.43.83 port 22: Connection time out
After the restart, it will be restored. The decisive time is like this again.
systemd
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Yesterday, my login was normal. I came to the company today and found that I can't log in to the host, prompting timeout.
The information after my debug is like this
OpenSSH, OpenSSL 1.0.1 14 Mar 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 56: Applying options for *
debug1: Connecting to 192.168.43.83 port 22.
debug1: connect to address 192.168.43.83 port 22: Connection time out
ssh: connect to address 192.168.43.83 port 22: Connection time out
After the restart, it will be restored. The decisive time is like this again.
systemd
systemd
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
edited Apr 11 at 5:19
Rui F Ribeiro
42.1k1483142
42.1k1483142
asked Apr 11 at 3:05
xudong liuxudong liu
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 11 at 3:05
xudong liuxudong liu
1
asked Apr 11 at 3:05
xudong liuxudong liu
1
1
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
xudong liu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
put on hold as too broad by G-Man, Sparhawk, JdeBP, Rui F Ribeiro, Jeff Schaller♦ Apr 11 at 8:06
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
put on hold as too broad by G-Man, Sparhawk, JdeBP, Rui F Ribeiro, Jeff Schaller♦ Apr 11 at 8:06
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
What happens if you ping the address:ping 192.168.43.83? What happens if you try to telnet to the port:telnet 192.168.43.83 22?
– marshki
Apr 11 at 3:55
1
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58
|
show 2 more comments
How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
What happens if you ping the address:ping 192.168.43.83? What happens if you try to telnet to the port:telnet 192.168.43.83 22?
– marshki
Apr 11 at 3:55
1
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58
How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
What happens if you ping the address:
ping 192.168.43.83? What happens if you try to telnet to the port: telnet 192.168.43.83 22?– marshki
Apr 11 at 3:55
What happens if you ping the address:
ping 192.168.43.83? What happens if you try to telnet to the port: telnet 192.168.43.83 22?– marshki
Apr 11 at 3:55
1
1
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58
|
show 2 more comments
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How are IP addresses allocated on the network? Is the device you are connected to hard wried, or wireless? Is it possible that the IP address assigned to the device has changed since yesterday?
– marshki
Apr 11 at 3:22
No changes have been made. When connecting, ecs is virtual and cannot be connected through vnc.
– xudong liu
Apr 11 at 3:37
What happens if you ping the address:
ping 192.168.43.83? What happens if you try to telnet to the port:telnet 192.168.43.83 22?– marshki
Apr 11 at 3:55
1
It is unreasonable to expect people to diagnose internal corporate network problems with zero information. The range of possibilities is far too broad.
– JdeBP
Apr 11 at 5:32
Ping and telnet are normal, other ecs are normal under the same vpc as long as this single ecs, every time there may be an ecs hang can not log in by any means, only restart can solve
– xudong liu
Apr 11 at 5:58