Tag: Linux

Verify the integrity of a rpm package rpm –checksig package.rpm

Build a rpm package from a rpm source rpmbuild –rebuild package_name.src.rpm

Displays linux tasks in a hierarchical mode ps -e -o pid,args –forest

Decompress a compressed tar archive in bzip2 tar -xvfj archive.tar.bz2tar -xvfj archive.tar.bz2

Usie this command to encrypt and decrypt a file using PGP in linux. gpg -c file gpg -o file -d…

Works on OS X, Linux, anywhere with OpenSSL installed: To encrypt a file: openssl des3 -salt -in infile.txt -out encryptedfile.txt…

Delete all \n chars in a file… tr -d “\n”

extract a tarball into / tmp tar -xvf archive.tar -C /tmp

FFMPEG command to mix an audio file with a video file to create a final video. ffmpeg -vcodec flv -qscale…

Linux command to convert a video file to PSP format using ffmpeg. After converting, copy the OutputFile to the video…