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How to check whether some services are running in another
server or not?
Suppose i am currently in a server named A.I want to check
whether some services are running in server B without
logging into the server B.
- 3 Answers
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Answer / rohit kumar
Assuming that server A is reachable from server B and vice
versa:
We can execute the command remotely using rsh and by using
admin credentials of server B as below from server A:
rsh <server B IP> -l <admin login name> -n "ps -eaf | grep -
i <service_name>"
For eg; to find httpd service we can use the following
command assuming server B IP is 10.0.0.10 and root has
admin previledges:
rsh 10.0.0.10 -l root -n "ps -eaf | grep -i httpd"
| Is This Answer Correct ? | 19 Yes | 5 No |
Answer / shh
rsh command
executes command on the specified hostname. To do so, it
must connect to a rshd service (or daemon) on the hostname
machine
rsh [username@]hostname [-DNn] [-l username] command
-D
enables socket debugging on the TCP sockets used for
communication with the remote host. This option also
displays the locuser and remuser being sent to rshd
-l username
specifies the remote user name to be used when executing
the command. This can also be specified by including
username@hostname on the command line
-N
does not generate a separate standard error stream. All
output is sent to standard output. This is useful when you
are running an interactive command
-n
redirects input from the special device /dev/nul.
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sai kiran
ex:
if u r connecting from server B to A
ssh A ls
but make sure that to create a private key for these servers
| Is This Answer Correct ? | 0 Yes | 1 No |
What is awk good for?
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Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance
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