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Me, BSD
FreeBSD
102 Tips and Tricks
FreeBSD: IPKVM with a RS232 serial cable
Network
CDP and LLDP
ifconfig physical link down
rc.conf ifconfig alias
Ports & Packages
Ensure services are running
Keep OpenSSL updated FreeBSD
Update FreeBSD and Ports with portmaster
pkgng: First look at FreeBSD's new package manager
Security
Become root without a password or sudo
Protecting FreeBSD with sysctl
Source
9.2 Die Hard tribute
Crontab run every second now in HEAD
FreeBSD DIY Logo
Update FreeBSD source tree using subversion svn
mergemaster non-interactive mode
Storage
Get HDD serial number in FreeBSD
UFS
Move /var to /usr/var
Resize growfs UFS partition inside ZFS zvol
UFS partitions over 2Tb
ZFS
24Tb FreeBSD NAS budget DIY
Duplicate ZFS pool over SSH
FreeBSD ZFS boot with zvol SWAP
Apps
Apache
Apache piped logs
Dovecot
sieve-filter delivered email
Postfix
Delete mailq with regex
Postfix mailq summary
Rsync
Keeping ownerships and permissions
OSSEC
Repeated offenders ignored
Code
Bash
Bash loading spinner
Command line snow
C
Inches to centimeters
Square number generator
do while loop countdown
PHP
Date/Time
Human Readable Seconds
MySQL
MySQL fetch multi-dimensional array
MySQLi – Return MySQL row as an Object
Network
Broadcast address from CIDR - PHP/MySQL
IPv4 address check private (RFC 1918)
PHP IP Calculator
Short IPv6 Regexp
Recursive in_array()
Recursive unlink()
Perl
Perl lock file
Vi
Command Reference Sheet
Cisco
Ways to view configuration
show running-config without more
Table of contents
Become root without a password or sudo
Protecting FreeBSD with sysctl