Search replace with find, perl, sed Linux command

use “find” cgi/perl file in web server with directadmin
find /home/*/domains/*/public_html/cgi-bin/ -iname *.cgi -ls
find /home/*/domains/*/public_html/cgi-bin/ -iname *.pl -ls
find /home/*/domains/*/private_html/cgi-bin/ -iname *.cgi -ls
find /home/*/domains/*/public_html/cgi-bin/ -iname *.pl -ls

use “find” search text in file
find . -type f -name '*.php' -print | xargs grep 'iframe'
find . -type f -name '*.html' -print | xargs grep 'iframe'
find . -type f -name '*' -print | xargs grep 'iframe'

use “find” & linux command delete (“Argument list too long”)
find /home/ -type f -iname index.htm -exec rm -fv {} \;
find /home/admin/domains/xxx.com/public_html/cache/ -type f -exec rm -rf {} \;
find /var/spool/exim/msglog/ -type f -delete
#slashroot.in/which-is-the-fastest-method-to-delete-files-in-linux
find /path -maxdepth 1 -user apache -ls -delete
#search file edit last ctime n*24
find /home/user/*/*/public_html/ -ctime -7

use “perl” search & replace
#search "cgi=ON" and replace to "cgi=OFF"
perl -pi -e 's/cgi=ON/cgi=OFF/' /usr/local/directadmin/data/users/*/user.conf
perl -pi -e 's/cgi=ON/cgi=OFF/' /usr/local/directadmin/data/users/*/reseller.conf
perl -pi -e 's/cgi=ON/cgi=OFF/' /usr/local/directadmin/data/users/*/domains/*.conf

#search "" and replace to blank
perl -pi -e 's///g' ./*.html

#delete spam/junk email
cd /var/spool/exim/input/
cd /var/spool/exim/msglog/
perl -e 'for(<*>){((stat)[9]<(unlink))}'

use “sed” search & replace
#search "disable = yes" replace to "disable = no" in file "file.conf"
sed -e '/disable/ s/yes/no/' -i /file.conf
#search "mysql_query" replace to "mysql_do_query" and write to "newfile.conf"
sed 's/mysql_query/mysql_do_query/g' > newfile.conf

use “grep” search text in file
grep -iR "_0.mx" /var/log/proftpd/*
grep -iR "cgi-bin" /var/log/proftpd/*

use “cat” & “grep” search text in file
cat /var/log/proftpd/* |grep "text" |more
cat /var/log/proftpd/* |grep "text" |grep -v "notext"

phpmyadmin
UPDATE tablename SET tablefield = replace(tablefield, "findstring", "replacestring");

du -sh * | sort -h

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