Difference between revisions of "System/DayToDay"
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+ | == 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 == | == Remove special character files == | ||
Latest revision as of 14:25, 8 May 2013
Contents
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 ...