If, by any chance, you happen to run out of SWAP space in Linux and you desperately need it, you can use a temporary file to supplement: dd if=/dev/zero of=/swap1.swp bs=1024 count=512K mkswap /swaptemp.swp swapon /swaptemp.swp Now verify if the image file was successfully mounted: cat /proc/swaps
If you want to convert some PDF files in JPEG format in Linux, you can use pdftoppm and ppmtojpeg. After you installed the two applications, do a ppm file.pdf file.ppm The result will be a PPM file for each page in the PDF. From here, to convert all PPM files in JPEG format do a… Read More »
If you’d rather use the maximum compression settings in GZIP, use export GZIP=–best in CLI. Next time you’ll archive a folder or a set of files, compression will take place at the highest level.
If you have multiple Linux partitions and want to find out the name of a certain one, you can use findfs for the task: $ /sbin/findfs LABEL=/ /dev/hda1 The findfs binary is in the e2fsprogs package.