Differenze
Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.
| Entrambe le parti precedenti la revisione Revisione precedente Prossima revisione | Revisione precedente | ||
|
notes:linux.tips.and.tricks [19/03/2021 22:13] alez [howto show 'dd' progress] |
notes:linux.tips.and.tricks [14/09/2023 10:31] (versione attuale) alez [Socat / YPort] |
||
|---|---|---|---|
| Linea 1: | Linea 1: | ||
| ====== Linux Tips & Tricks ====== | ====== Linux Tips & Tricks ====== | ||
| + | ===== Bash tricks for manipulating files ===== | ||
| + | |||
| + | Move all files matching certain pattern from subdirectories in another single target folder: | ||
| + | <code>find . -iname '*.jpg' -exec mv {} ../target/ \;</code> | ||
| + | |||
| + | Remove all files matching certain pattern in here and in all subdirectories: | ||
| + | <code>find . -iname "*.poo" -exec rm -r "{}" \;</code> | ||
| + | |||
| + | Remove all empty subdirectories in here: | ||
| + | <code>find . -depth -type d -empty -exec rmdir "{}" \;</code> | ||
| + | |||
| ===== disk UUID's ===== | ===== disk UUID's ===== | ||
| Linea 14: | Linea 25: | ||
| ===== PDF tools ===== | ===== PDF tools ===== | ||
| + | |||
| + | Lower file-size (quality) of a pdf document | ||
| + | |||
| + | <code>gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf</code> | ||
| + | ''-dPDFSETTINGS=/screen'' for even lower size/quality | ||
| pdfjoin , no rotate | pdfjoin , no rotate | ||
| Linea 31: | Linea 47: | ||
| <code>gs -o output.pdf -sDEVICE=pdfwrite -sPAPERSIZE=a4 -dFIXEDMEDIA -dPDFFitPage -dCompatibilityLevel=1.4 input.pdf</code> | <code>gs -o output.pdf -sDEVICE=pdfwrite -sPAPERSIZE=a4 -dFIXEDMEDIA -dPDFFitPage -dCompatibilityLevel=1.4 input.pdf</code> | ||
| + | |||
| + | join and rotate | ||
| + | |||
| + | <code>pdfjam --outfile out.pdf --landscape --angle 90 input1.pdf input2.pdf</code> | ||
| ===== Reset keyboard ===== | ===== Reset keyboard ===== | ||
| Linea 65: | Linea 85: | ||
| See also [[http://nairobi-embedded.org/transfering_buildroot_fs_data_into_qemu_disk_images.html]] | See also [[http://nairobi-embedded.org/transfering_buildroot_fs_data_into_qemu_disk_images.html]] | ||
| + | |||
| + | ---- | ||
| ===== Socat / YPort ===== | ===== Socat / YPort ===== | ||
| + | |||
| + | |||
| + | ''socat -d -d pty,raw,echo=0 pty,raw,echo=0'' | ||
