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Issue When trying to import MySQLdb you may find that the module is not available. And experience an error such as, django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb Solution The solution is to install MySQL-python i.e pip-2.7 install MySQL-python PIP INSTALL Error However, when trying to install MySQL-python you may then get the following … Read more
Problem You may observe both devices, within an F5 HA pair, going into a standby-standby when, VLAN Failsafe is enabled on a segment Route Domains are configured There is no server present on the given segment The F5 version is lower then 11.2.0 Reason The reason for this is based around bug id 388270 and also … Read more
Within this article we will look at a simple network design and the various caveats and considerations involved. Initial Design The initial design (shown below) is simple – a pair of network devices (in this instance Cisco ASAs) connected to a pair of Nexus 3k’s switches. Each firewall is connected to both switches via the … Read more
Issue When updating the parent profile on a client SSL profile the cert-key-chain settings are inherited from the new parent profile. Even though the cert-key-chain is explicitly configured within the child profile. Consider the following, You have a client SSL profile ‘CLIENTSSL’ with the cert, key and chain configured along with a parent profile set … Read more
HTTP Strict Transport Security (HSTS) is a security policy based on RFC9767 designed to protect domains against both downgrade and passive network attacks. HSTS achieves this by, Transforming all insecure (HTTP) based links to HTTPS links. Allowing the browser to terminate the connection should it observe any certificate warnings or errors with the domains certificate. … Read more
What is AAM ? BIGIPs AAM (Application Acceleration Manager) is a set of modules used to optimize web traffic. The modules include : Web Optimization WAN Optimization Profiles – this includes profiles used to deploy various optimization techniques such as SPDY, HTTP compression, OneConnect etc. Bandwidth Controller Rate Shaping Core vs Full AAM comes in … Read more
Within VIM to ignore case the following is used, :set ic To revert back to case-sensitive searches use, :set noic
Below shows you how to compare and show the differences between 2 lists by using the set command, >>> set([1563, 1564, 1565, 1566, 1567]).symmetric_difference([1563, 1564, 1565, 1566, 157]) set([1567, 157])
To split a string into key value pairs (i.e dict) the following can be used, >>> string = “abc=123,xyz=456” >>> dict(x.split(‘=’) for x in string.split(‘,’)) {‘xyz’: ‘456’, ‘abc’: ‘123’}