System/DayToDay

Encrypt/Decrypt a file

Encryption

cat <file> | openssl enc -aes-256-cbc -salt -pass pass:$pass > <enc_file>

Decryption

cat <enc_file> | openssl enc -d -aes-256-cbc -salt -pass pass:$pass > <file>

Remove special character files

2 simple ways:

rm -- <filename>
rm ./<filename>

Or with a bulldozer, by inode:

find . -inum <inode> -exec rm -i {} \;

VIM

set viminfo='1000,f1,<500

.bashrc

export HISTFILESIZE=3000

alias l='ls -aCFlh'
alias u="apt-get update"
alias ug="apt-get upgrade"
alias i="apt-get install"
alias r="apt-get remove"
alias s="apt-cache search"

kernel parameters

For Compact Flash:

libata.dma=0 ide=nodma ide-core.nodma=0.0 ide-core.nodma=0.1

sudo

...
Defaults timestamp_timeout=20
...