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#CCLEANER MALWARE C2 SERVER REINSTALL INSTALL#

Speed! This method literally replays each net command line by line back to the box.

Things to consider with the NCLU module backup method: These playbooks are simply replaying commands in a smart and logical matter.

No knowledge of Jinja2 or other templating mechanism needed.

The NCLU module is still idempotent, so we are not just firing commands off, it knows if something is already configured.

The playbooks provided are so simple only a rudimentary understanding of how Ansible works is required.

This means it is very easy for someone to figure out what the playbook is doing, and troubleshoot any issues.

The NCLU module is literally typing what a user would type to configure the box.

There are advantages and things to consider vs templating in my opinion and I will quickly go over some:Īdvantages of the NCLU module backup method: This means if the configuration that is being applied is already configured it will skip it let you know it is already configured. The push_nclu.yml playbook will then re-push these net commands to the Cumulus LInux switch(es) line per line, but in a idempotent way. It literally just connects to the Cumulus Linux switch(es) and grabs a `net show config commands` and stores it locally. The pull_nclu.yml file will grab all the net commands from the Cumulus Linux switch(es) and store it locally on the server that ran the playbook. There is a README.MD on the Github page but I will explain here in brevity what I am trying to accomplish.

That being said, I wanted to provide an alternate method of backing up and restoring configs in a very simple playbook that does not require templating or configuration of flat-files. It is still fairly easy to build a configuration with NCLU, then pull the rendered configuration with the `net show config files` command and build a template out of it. Instead of starting from a flat-file and templating it out, they are going command by command as they learn Cumulus Linux.

However, many customers also want to build configs with NCLU (or the net commands) when they are first introduced to Cumulus Linux. This reload capability is imperative to data centers and our customers couldn't live without it. This means if swp1-10 were already working and we added configuration for swp11-20, an ifreload will only add the additional config and be non-disruptive for swp1-10. This reload capability allows the box to perform a diff on either `etc/network/interfaces` or `etc/quagga/nf` so when a flat-file is overridden with the template module, only the "diff" (or difference) is applied. A lot of our playbooks use the Ansible template module because it is very efficient and idempotent, and Cumulus Linux has been built with very robust reload capabilities for both networking and Quagga/FRR.

The consulting team uses Ansible very frequently when helping customers fully automate their data centers. To read more about the NCLU module from its creator, Barry Peddycord, click here.

#CCLEANER MALWARE C2 SERVER REINSTALL INSTALL#

This means when you `apt-get install ansible`, you get the NCLU module pre-installed! This blog post will focus on using the NCLU module to backup and restore configs on Cumulus Linux. With the release of Ansible 2.3 the Cumulus Linux NCLU module is now part of Ansible core. Backing up configs with the Ansible NCLU module