Difference between revisions of "System/DayToDay"

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== Remove by inode ==
+
== Encrypt/Decrypt a file ==
  
  find . -inum 782263 -exec rm -i {} \;
+
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 ==
 
== VIM ==

Latest revision as of 14:25, 8 May 2013

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
...