Entries by techie_admin

ssh public key logging fails to work on centos

after doing a ssh-copy-id to a server I am still unable to logon to the server the following did fix this on the destination server:

First play with Arista API Python

so was testing the arista API with the following code:

It spat out the following error:

to fix this you can do the following:

Backup Avocent ACS6000 using RANCID

There are several ways to backup an Avocent ACS6000, I will be going through one way which is using RANCID as that is our preferred method of backing up our config, we added the below commands to: avologin in the rancid bin dir.

Restoring the config is as easy as copying the config in […]

ldapsearch with openldap

So I was recently working with openldap to provide a developer details for an application ability to provide different levels of auth based on the group, the below helped me achieve this and some things I ran into: ldap_bind: Confidentiality required (13) We have ldaps setup with SSL, when you setup ldaps with private certificates […]

cisco acs command-line linux shell

So how does one drop to the linux shell on the Cisco ACS, recently I needed to get to the Cisco ACS Linux shell to change some permissions due to the fact we were hitting the following bug: ACS – new configuration of RSA authentication would not take effect CSCur93568 Description Symptom: ACS cannot apply […]

macosx install openconnect with libstoken support

Install openconnect with libstoken support Prerequisites

Configure, Make, Install Openconnect with libstoken support The below will install openconnect with libstoken support: you can download the latest package for openconnect here: http://www.infradead.org/openconnect/download.html

Using OpenConnect with stoken support Import your token Import your RSA token provisioning string, URL, or file with one of:

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Commands useful for a networking engineer

Useful commands that I have put together which have helped me during my career as a network engineer. nmap ping scan with formatted results sudo nmap -sP -oG – 10.45.0.0/24 using SED to find and replace from all files in directory go into the directory where the files are and run the below: sed -i […]

port-mirroring juniper srx with routing-instance

So recently was working on setting up port-mirroring on a juniper srx 240, configured as I thought it should be with the below config:

configured the above and committed the config no issues when i went to check the status saw the following:

I did the above in the default routing-instance and it […]

vpnc-script returned error 1 resolv.conf mac osx

Recently on my MAC OSX i rebooted and when I tried to start my vpn using vpnc i got the following error:

Which basically rendered the vpnc-script useless in order to resolve this you need to do the below:

then try starting the VPN again, hopefully should fix this, any issues please comment.

Linux 2 NIC with different networks routing problem

We ran out of host addresses in network 10.231.210.0/25 therefore needed to add additional IP space on our avocent console switch. We have two NICs (eth0 and eth1) on the server which and have an ip from a different subnet assigned which was non-contiguous IP space, therefore it was a different network 10.231.213.0/25. So in […]