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Hardware or Software RAID?
The question is usually framed as Is Hardware RAID better than software RAID? Well actually it's ...
Five Apes In A Cage
Put five apes in a cage. In the middle of a cage is a set of steps, and at the top of the steps i...
Email Inbox Management, 2011
(10 October 2011) Interesting results from an IBM study comparing the effectiveness of folder-fil...
Email Inbox Management, 2008
(29 January 2008) I watched the Google Talk video about the Inbox Zero concept. It is long (about...
Greylisting's Effect
(19 March 2012) Last year when I rebuilt my server I had the opportunity to see specifically what...
IPsec MTU Adjustments
MTU can be adjusted via three ways: Adjusting the MTU of the physical interface where the IPsec...
Packet Tracer
(2025-01-13) General: packet-tracer input ifc_name [ vlan-id vlan_id ] icmp [ inline-tag tag ] { ...
Ping ASA interface
(2024-09-18) Problem: Can't ping my ASA. Design: With Cisco ASA, it is impossible to ping any int...
SNMP v3 Read-Only setup
(2024-09-05) Example ip access-list standard snmp-access permit 10.11.12.13 snmp-server view snmp...
SNMP v3 on ASA
(2024-09-03) Problem SNMP on ASA please Solution snmp-server group GlobalRead v3 priv snmp-server...
Use User's Password As Enable Password
(2020-12-17) Problem I want to use my username password as the enable password in ssh sessions So...
TLS DH Group Key Length
(2020-01-20) Problem Something like SSL/TLS: Diffie-Hellman Key Exchange Insufficient DH Group St...
Test Authentication Server
(2020-03-18) Problem Is my Radius (or LDAP) server working? Solution # show run | begin aaa-serve...
SSH pubkey authentication
(2020-09-25) Problem How to set up an ASA to accept an ssh pubkey? Solution Create a ssh key as n...
Security Commands
(2019-01-20) Problem Collection of the SSL mitigations I've been collecting. Solution No commenta...
SNMP configuration
(2024-12-17) set deviceconfig system snmp-setting access-setting version v3 views My-SNMP-View vi...
CLI Basics
(2024-12-17) Command Mode Show System Info > show system info hostname:... ... Show configurati...
Upgrading Remi PHP
(2024-12-05) Assuming you already have a remi php installed: # dnf module switch-to php:remi-8.3
Check Internet Service Database Match
(2024-08-28) Remember you need to have basic support in order for this db to be populated. Firewa...
dotfiles
(2024-11-24) Dotfiles for my personal consumption: # wget https://raw.githubusercontent.com/xdroo...