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This article mainly introduces "how to use shell script to achieve linux system file integrity test". In daily operation, I believe that many people have doubts about how to use shell script to achieve linux system file integrity test. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the question of "how to use shell script to achieve linux system file integrity detection". Next, please follow the editor to study!

Content of the script:

The code is as follows:

Cat my_filecheck.sh

#! / bin/bash

#

# variables must be declared before they can be used

Shopt-s-o nounset

# Declaration

# date of establishment

Date=$ (date +'% Y% m% d% H% M% S')

# add the directory to the audit #

Dirs= "/ bin / sbin / usr/bin / usr/sbin / lib / usr/local/sbin / usr/local/bin / usr/local/lib"

# temporary files #

TMP_file=$ (mktemp / tmp/check.XXXXXX)

# File checksum Storage File

FP= "/ root/fp.$Date.chksum"

# which checksum tool to use

Checker= "/ usr/bin/md5sum"

Find= "/ usr/bin/find"

# function area #

Scan_file () {

Local f

For f in $Dirs

Do

$Find $f-type f > > $TMP_file

Done

}

# read files and establish checksum values for each file

Cr_checksum_list () {

Local f

If [- f $TMP_file]; then

For f in $(cat $TMP_file)

Do

$Checker $f > > $FP

Done

Fi

}

RmTMP () {

[- f $TMP_file] & & rm-rf $TMP_file

}

# main program area

# scan list

Scan_file

# create the checksum value of the file

Cr_checksum_list

# cleaning up temporary files

RmTMP

Execute the script:

The code is as follows:

. / my_filecheck.sh

To verify:

The code is as follows:

Md5sum-c fp.20141205160628.chksum

The code is as follows:

Md5sum-c fp.20141209202544.chksum

/ bin/gawk: OK

/ bin/igawk: OK

/ bin/ln: OK

/ bin/loadkeys: OK

/ bin/gzip: OK

/ bin/mkdir: OK

/ bin/date: OK

/ bin/cat: OK

/ bin/mountpoint: OK

/ bin/taskset: OK

/ bin/umount: OK

/ bin/mount: OK

/ bin/doexec: OK

/ bin/kill: OK

/ bin/sync: OK

/ bin/unicode_start: OK

/ bin/usleep: OK

/ bin/mknod: OK

/ bin/setserial: OK

/ bin/cp: OK

/ bin/mktemp: OK

/ bin/setfont: OK

/ bin/unicode_stop: OK

.

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/cast5.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/crypto_blkcipher.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/twofish.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/authenc.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/cbc.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/crypto_hash.ko: OK

/ lib/modules/2.6.18-194.el5PAE/kernel/crypto/seqiv.ko: OK

/ lib/libproc-3.2.7.so: OK

/ lib/libacl.so.1.1.0: OK

/ lib/libauparse.so.0.0.0: OK

/ lib/libdmraid.so.1.0.0.rc13-17: OK

/ lib/libvolume_id.so.0.66.0: OK

/ lib/libgobject-2.0.so.0.1200.3: OK

/ lib/libnss_compat-2.5.so: OK

/ lib/rtkaio/i686/nosegneg/librtkaio-2.5.so: OK

/ lib/rtkaio/librtkaio-2.5.so: OK

/ lib/libdmraid-events-isw.so.1.0.0.rc13: OK

/ lib/libdevmapper-event-lvm2snapshot.so.2.02: OK

/ lib/libblkid.so.1.0: OK

/ lib/libdb-4.3.so: OK

/ lib/libSegFault.so: OK

/ lib/libiw.so.28: OK

/ lib/libdmraid-events-isw.so.1.0.0.rc13-17: OK

You can see a lot of OK.

If you only want to see errors, you can use the following command:

The code is as follows:

Md5sum-c fp.20141209202544.chksum | grep-v "OK"

At this point, the study on "how to use shell scripts to achieve linux system file integrity testing" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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