F5 BIG-IP icon   F5 BIG-IP – Rollback tmsh commands



Today a very short and simple post to learn how to rollback configurations performed via tmsh.
After executing some commands, if finally we need to undo those changes we can get it, at least, by the following ways:

    • In case of HA environment, the standby node configuration can be sync so that we set the active (changed) node to
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IRONPORT icon   Ironport – Automate commands / scripts from Windows



In another post we saw the way to configure a SSH connection to Linux without password via public/private key. To allow SSH connection without interaction (without password) to Cisco Ironport ESA (Email Security Appliance) from a Windows machine is a bit different. These are the different steps:

Generate public/private keys

To generate the keys, we will use puttygen (PuTTY Key … Read more

Linux   Linux – Bash scripting useful commands and tips



Some examples of very simple commands and features that become very powerful when used together. In future posts we'll see real examples of bash scripts used to create custom nagios checks/plugins.

Concatenate files – cat

# cat FILE1
this is the file1

# cat FILE2
this is the file2

# cat FILE1 FILE2
this is the file1
this is the 
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