Clear old ubuntu kernel script programs

Clean up ubuntu's old kernel script program-General Linux technology-Linux programming and kernel information. The following is a detailed description. Linux experts wrote a program to clean up ubuntu's old kernel script program. Of course, you can also use sudo aptitude purge ~ Ilinux-image -.*\(\! 'Uname-r' \) deletes the old kernel, but this command cannot delete linux-headers-xxx.

The following is a daren script:

CODE :#! /Bin/sh # Clearing old ubuntu kernels # By bones7456 # Http://li2z.cn CURRENT = "'uname-r | awk-F"-"'{print $1"-"$2 }''" HEADERS = "" IMAGES = "" For HEADER in 'dpkg -- get-selections | grep ^ linux-headers | \ Grep-vE "(generic | 386 | virtual)" | awk '{gsub (/linux-headers-/, "", $1); print $1 }'' Do If [["$ CURRENT" <"$ HEADER"] Then Echo "the running kernel is not up-to-date. $ CURRENT <$ HEADER" Echo "Running kernel is not the newest. $ CURRENT <$ HEADER" Exit 1 Else [["$ CURRENT "! = "$ HEADER"] & { HEADERS = "$ {HEADERS} linux-headers-$ {HEADER }" IMAGE = "'dpkg -- get-selections | grep ^ linux-image | \ Grep "$ {HEADER}" | awk '{print $1 }''" IMAGES = "$ {IMAGES} $ IMAGE" } Fi Done If [[x "$ HEADERS" = x ""] Then Echo "no old kernel to be cleaned up ." Echo "No old kernel need to clean ." Exit 0 Fi CMD = "sudo apt-get purge $ HEADERS $ IMAGES" Echo "$ CMD" If ["$1" = "-e"] Then Sh-c "$ CMD" Else Echo "make sure the preceding command is correct, and then enter $0-e to execute the preceding command. " Echo "Be sure this command is right, then type $0-e to execute ." Fi