Commands by KayleeSolis (0)

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lazy SQL QUERYING
alias for psql command line; works similar for Oracles sqlplus commandline interface. if you do not provide stdin you will end up in the db shell.

create a backup for all directories from current dir
Create backup (.tar.gz) for all first-level directory from current dir.

Execute a command before display the bash prompt
For example, if you are the type who type ls very often, then $ PROMPT_COMMAND=ls will ls after every command you issue.

PulseAudio: set the volume via command line
If you have more than one SINK

Encrypt every file in the current directory with 256-bit AES, retaining the original.
The password is stored in the password file, which obviously must be kept secure, encrypted later with gpg, deleted, or whatever you prefer. To decrypt: $ openssl enc -d -aes-256-cbc -salt -in filename.enc -out filename -pass file:/path/to/password-file Alternative ciphers can be used, of course.

Get your public ip using dyndns

get a process list by listen port

Using numsum to sum a column of numbers.
if you, like me, do not have the numsum, this way can do the same.

count how many times a string appears in a (source code) tree
grep -o puts each occurrence in a separate line

Send your terminfo to another machine
I frequently use this trick to send my terminal settings to HPUX and older RHEL systems. This is due to the fact that terminfo support for rxvt-unicode (my preferred terminal app) does not exist on many older Linux and Unices.


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