Maybe you have decided to have your own server and already you are owner of any model as HP Microserver Gen8. Surely there are many more to be done, but these… Read more
I have recently installed and configured my 2 node F5 BIG-IP cluster as load-balancer and SSL-VPN portal. I have been ocasionally performing configuration backups, but now i need to schedule them regularly and automatically.
This article covers the ways to perform the backup of a BIG-IP system and automate them.
In the menu options: System – … Read more
Maybe you have tried to execute the top command to monitor processes on a remote host.
Error remotely – Run it in batch mode
If so, the following error can be returned:
$ ssh user@remotehost top -n1 TERM environment variable not set.
top does not work remotely in the default “interactive” mode. Use the “-b” parameter to run it in … Read more
When connecting to checkpoint gateways, there may be a delay of 5 or more seconds when waiting for the password prompt. This is due a reverse DNS lookup that the gateway cannot perform until timeout is reached.
The UseDNS option of the SSH daemon can be disabled to avoid this behaviour:
Save a backup of the sshd_config file
… Read more
In a previous post (Linux: SSH connection without password (RSA public-key) I showed the way to configure a non-interactive SSH connection from-to a Linux system.
If the target system is a Ironport ESA device, the configuration is almost the same (generation of the key pair and configuration of the private one). But to install the new public key on … Read more
Configuring an SSH connection based on public key authentication can be very useful to script and automatize tasks. This way the SSH sessions can be non-interactive.
This is the particular example to configure a Nagios system to connect to a Checkpoint VSX, but can be used to connect to any system with SSHD daemon running.
So, in this case we … Read more