Commands by xocahej904 (0)

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How much RAM is Apache using?
Display the amount of memory used by all the httpd processes. Great in case you are being Slashdoted!

Quickly find a count of how many times invalid users have attempted to access your system

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This is a simple command for jumping to the matching brace, square bracket, or parentheses. For example, it can take you from the beginning of a function to the end with one key stroke. To delete everything between the pairs of {}, [], or (), issue the command: $ d% To replace text between pairs of braces, brackets, or parentheses, issue the command: $ c% You can also use this command to find out if an opening brace has been properly closed.

Monitor a file's size

Complex string encoding with sed
Pipe | avoid escaping occurences problems in using sed and make it easier to use

Remove today's installed packages

Deleting / Ignoring lines from the top of a file
Output lines starting at line 2.

Base conversions with bc
Easily convert numbers to their representations in different bases. Passing "ibase=16; obase=8; F2A" to bc will convert F2A (3882 in decimal) from Hex to Octal, and so on.

Quickly create simple text file from command line w/o using vi/emacs
1. Issue command 2. After angled bracket appears, enter file contents 3. When done, type "EOF"

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