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shell - bash / sh script to replace text between some tags/strings in a text file - Unix & Linux Stack Exchange
October 12, 2017 at 11:03:01 AM GMT+2 * - permalink -Use
sed '/#start/,/#end/replace_command'
For example, if the file is called myconfig, and you want to replace "allow" with "deny" in that section, you could say
sed '/#start/,/#end/s/allow/deny/' myconfig
example
sed -i -r "/<elasticConfig>/,/<\/elasticConfig>/s,<enabled>.+</enabled>,<enabled>false</enabled>," file.xml
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https://unix.stackexchange.com/questions/272061/bash-sh-script-to-replace-text-between-some-tags-strings-in-a-text-file
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Install Debian packages without starting daemons | major.io
June 27, 2014 at 2:28:41 PM GMT+2 - permalink -Via sametmax
If you’d like to prevent daemons from starting after installing a package, just toss a few lines into /usr/sbin/policy-rc.d:
cat > /usr/sbin/policy-rc.d < < EOF
!/bin/sh
echo "All runlevel operations denied by policy" >&2
exit 101
EOF
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http://major.io/2014/06/26/install-debian-packages-without-starting-daemons/
