Introduction You’ve performed a code upgrade on an ASA firewall and suddenly Rancid decides it won’t login. You’ll get the message: spawn ssh -c 3des -x -l <user> <device> no matching cipher found: client 3des-cbc server aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr Error: Couldn’t login:
Install Apache2 mod_wsgi Ubuntu
Introduction First place to start is the docs: https://modwsgi.readthedocs.io/en/develop/user-guides/quick-installation-guide.html Advises to install dev packages for apache and python if not installed. Use the latest version from source rather than using the versions in the repos. Once you’ve built from source,
Python Uses For Infrastructure Engineers
Introduction I’ll start by saying that I am not a programmer. I’m an infrastructure engineer so you may ask what use can I have for learning python. Well it turns out plenty. Source Material I started learning python in September
Notepad++ Regex examples
Introduction Just a notepad++ regex example for searching netscreen debug traces to start. I’ll update this one as I find other useful examples. Examples: Netscreen Debug Flow To search netscreen debug flow output for particular traffic, try something like: 192.168.53.18/([0-9]+)->192.168.55.242/1984
Sophos UTM9 Reverse Proxy Certificates
Introduction If you’re using the Sophos UTM9 as a reverse proxy then you will need to install certificates on the UTM to present to the client when they are browsing those secured sites. The UTM will need the file in
Linux Upgrade Conky Seamod Font issues
Introduction Decided to upgrade mint to the latest version Sarah. Very straight forward task thanks to the Mint team. I did end up with conky Seamod looking odd on though on startup. First it was in windowed mode and secondly
Find and Change All Permissions Recursively
Introduction A couple of pretty simple bash commands for finding and changing permissions on all files and directories recursively. Obviously you need to understand what permissions you want in advance so check the man pages and online but for when
Sophos UTM9 Reset Used IP count
Introduction If you’ve got the Sophos UTM up and running in your home network then you may come across this issue at some point. I was using UTM9’s web protection for quite some time and suddenly starting receiving emails to
Rebuild Report Database Isilon
Introduction If you ever get a problem with networking between 2 distant Isilon clusters then you might get a problem with SyncIQ reports filling up with nonsense. So if you have a lot of jobs you might end up with
Change Ownership Recursively for a Single User FreeBSD
Introduction So if you’ve read this and thought, it doesn’t work on FreeBSD then you are right. It doesn’t. Try this instead: You can use this portable find command with something like this. find . -user old-user -exec chown new-user:new-group