testing a dhcp connection Post: 302331736

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Testing ssh connection from KSH script

Hi. I have a kornshell script that runs on a daily basis as a cron job. Part of what the script does is copy the folder contents from another server to the current server (server where KSH script is running). I have a scp command, as follows: scp $REMOTE_HOST:$REMOTE_FILE_DIR/* $TMP_DIR ...

2. Shell Programming and Scripting

Testing VPN Connection

Hi All: I need a script that can be timed to run every half hour to an hour to run a traceroute through a VPN to test that a connection is still up from a Win XP system. Which would be the best, C++ or Perl and what are some good resources to look at. (If anyone has a script to do this...

3. Solaris

Testing physical network connection

How do you test the physical network connection of an interface in solaris. I know that if you have an active connection and the cable gets yanked, you can look in the messages file to check for link failure messages. But is there any better way to see if you have good layer 2 connectivity?

4. UNIX for Dummies Questions & Answers

ssh_exchange_identification: Connection closed by remote host Connection closed

Hi Everyone, Good day. Scenario: 2 unix servers -- A (SunOS) and B (AIX) I have an ftp script to sftp 30 files from A to B which happen almost instantaneously i.e 30 sftp's happen at the same time. Some of these sftp's fail with the following error: ssh_exchange_identification: Connection...

5. UNIX for Advanced & Expert Users

Connection reset by peer..closing connection

Hello I'm facing the above problem while doing a performance run. I've a script which I'm launching from my windows desktop using mozilla. The script will invoke backend action on a Solaris host which in turn feeds the records to a driver located on a linux box(Cent OS). What's happening is...

6. Shell Programming and Scripting

Testing connection with a script

I have a box that has to start dhcpd when a certain connection is down and stop the dhcpd when the connection is up again. I would appriciate any help making this script: From server A: ping server B if connection is ok then do nothing if connection is not ok then start dhcpd until...

7. Solaris

Solaris 10 ftp connection problem (connection refused, connection timed out)

Hi everyone, I am hoping anyone of you could help me in this weird problem we have in 1 of our Solaris 10 servers. Lately, we have been having some ftp problems in this server. Though it can ping any server within the network, it seems that it can only ftp to a select few. For most servers, the...

8. Shell Programming and Scripting

testing postgres connection in shell script

I have a script that does db query in postgres. I'm trying to put in some error checking in the script. I keep running into the password prompt problem where when invalid credentials/or database is put it, it would prompt me for a password which hangs the script. Is there a way that I can check for...

9. UNIX for Advanced & Expert Users

How keep running a program n an another computer via a connection ssh when the connection is closed?

Hi everybody, I am running a program on a supercomputer via my personal computer through a ssh connection. My program take more than a day to run, so when I left work with my PC I stop the connection with the supercomputer and the program stop. I am wondering if someone know how I can manage...

10. IP Networking

Get DHCP relay interfaces IP address using DHCP

Hi All , please view the set up below: ------------------------------------------------------------------- | DHCP Server |-----------| ROUTER & |-----------| Clients | | 192.168.99.1 | - -<eth1>| DHCP-RELAY|<eth2>-- | 192.168.88.X | ...

LEARN ABOUT DEBIAN

essidscan

ESSIDSCAN(8)							     Commands							      ESSIDSCAN(8)

NAME

       essidscan - scan for ESSID corresponding to available WLAN access points

SYNOPSIS

       In /etc/network/interfaces:

       mapping <interface> script essidscan

DESCRIPTION

       The essidscan utility is used to tell the ifup and ifdown utilities about the current SSID of the WLAN currently being accessed.  It can be
       used to map the SSID name to an iface stanza.

CONFIGURATION

       A sample /etc/network/interfaces may look like this:

	  mapping hotplug
	    script /etc/network/essidscan
	    map SSIDONE  wlan-work
	    map SSIDTWO  wlan-work
	    map HOME

	  iface wlan-work inet dhcp
	    wireless-key     1234-5678-9ABC-DEF0-1234-5678-9A
	    wireless-keymode restricted

	  iface HOME inet static
	    address	     192.168.2.4
	    netmask	     255.255.255.0
	    gateway	     192.168.2.1
	    wireless-essid   HOME
	    wireless-key     s:somepassword
	    wireless-keymode open

	  iface DEFAULT inet dhcp

FILES

       /etc/network/interfaces
	      the interfaces definition file

       /etc/network/run/ifstate
	      a record of the current state of the interfaces, managed by ifup and ifdown

SEE ALSO

       interfaces(5) ifscheme(8) ifup(8) ifdown(8)

AUTHORS

       Tor Slettnes <tor@slett.net>

																      ESSIDSCAN(8)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Testing ssh connection from KSH script

Discussion started by: dmilks

2. Shell Programming and Scripting

Testing VPN Connection

Discussion started by: maxhewitt

3. Solaris

Testing physical network connection

Discussion started by: tjlst15

4. UNIX for Dummies Questions & Answers

ssh_exchange_identification: Connection closed by remote host Connection closed

Discussion started by: jeevan_fimare