CentOS minimal stream 8 install example

dnf install -y epel-release
dnf install -y tar postgresql-server postgresql-contrib java-11-openjdk

#optional
dnf install -y vim tmux bc id3lib html2text p7zip-plugins libjpeg-turbo poppler-utils unzip netpbm-progs perl-Image-ExifTool
#optional manual install catdoc unrtf ffmpeg

newcfg (){
	F="$1"
	chown --reference="$F" "$F".new
	chmod --reference="$F" "$F".new
	mv -f "$F".new "$F"
}

#PostgreSQL
/usr/bin/postgresql-setup --initdb --unit postgresql
systemctl enable postgresql
TMP=/var/lib/pgsql/data/pg_hba.conf
cp $TMP $TMP.original
cat $TMP | grep -vP "^ *host.*127" > $TMP.new
echo -e "host\tall\tall\t127.0.0.1/32\tpassword" >> $TMP.new
newcfg $TMP
TMP=/var/lib/pgsql/data/postgresql.conf
cp $TMP $TMP.original
MT=$(cat /proc/meminfo | grep MemTotal | perl -pe 's/^[^ ]* *([0-9]+) *kB$/$1\/1000/g');
#java+linux=(512+256)
ECS=$(echo "($MT-(512+256))/2" | bc);
SB=$(echo "($MT-(512+256))/4" | bc);
cat $TMP | perl -pe 's/^#?(effective_cache_size)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = '$ECS'MB$2/g' \
| perl -pe 's/^#?(shared_buffers)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = '$SB'MB$2/g' \
| perl -pe 's/^#?(max_locks_per_transaction)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = 512$2/g' \
| perl -pe 's/^#?(max_connections)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = 60$2/g' \
| perl -pe 's/^#?(checkpoint_segments)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = 30$2/g' \
| perl -pe 's/^#?(log_min_duration_statement)[ \t]*=[ \t]*[^ \t]+([ \t].*)?$/$1 = 30000$2/g' \
| perl -pe 's/^#?(log_line_prefix)[ \t]*=[ \t]*[^#]+(#.*)?$/$1 = '\''%m: '\''\t\t$2/g' \
> $TMP.new
newcfg $TMP
systemctl start postgresql

#Noodle
cd /opt
tar -zxf ./Noodle.tar.gz
su postgres -c 'cd;/usr/bin/psql -d postgres -U postgres --file /opt/Noodle/init.sql' 
cd Noodle
./configure
cp noodle.service /lib/systemd/system/
systemctl enable noodle
systemctl start noodle

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