Archive all files with a given extension
Tuesday, September 16th, 2008
Find all files with ‘.log’ extention and make an bzip archive
find /var/log -name '*.log' | tar cv --files-from=- | bzip2 > log.tar.bz2
Archive for the 'Command Line' Category
Configure IP Address
Sunday, September 14th, 2008
Configure IP Address using the ifconfig command
ifconfig eth0 192.168.1.1 netmask 255.255.255.0
Decompress Bzip2 File
Saturday, September 13th, 2008
Decompress a compressed tar archive in bzip2
tar -xvfj archive.tar.bz2tar -xvfj archive.tar.bz2
Create a Bzip2 File
Thursday, September 11th, 2008
create a tarball compressed into bzip2
tar -cvfj archive.tar.bz2 dir
Encrypt/Decrypt using PGP
Monday, September 8th, 2008
Usie this command to encrypt and decrypt a file using PGP in linux.
gpg -c file
gpg -o file -d file.gpg (output to file)
Encrypt/Decrypt File using OpenSSL in Linux
Thursday, September 4th, 2008
Works on OS X, Linux, anywhere with OpenSSL installed:
To encrypt a file:
openssl des3 -salt -in infile.txt -out encryptedfile.txt
To decrypt the file:
openssl des3 -d -salt -in encryptedfile.txt -out normalfile.txt
Delete all \n chars in a file…
Monday, September 1st, 2008
Delete all \n chars in a file…
tr -d "\n" Extract to Given Folder
Friday, August 22nd, 2008
extract a tarball into / tmp
tar -xvf archive.tar -C /tmp
Add Audio to a Video File Using ffmpeg
Friday, August 8th, 2008
FFMPEG command to mix an audio file with a video file to create a final video.
ffmpeg -vcodec flv -qscale 9.5 -r 25 -ar 22050 -ab 32k -s 320x240 -i 1.mp3 -i Meta.ogv final.flv
Linux Command to Convert a Video to PSP’s MP4 Format
Wednesday, August 6th, 2008
Linux command to convert a video file to PSP format using ffmpeg. After converting, copy the OutputFile to the video folder in your PSP.
ffmpeg -i "OriginalFile.avi" -f psp -r 29.97 -b 768k -ar 24000 -ab 64k -s 320x240 "OutputFile.mp4"