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CentOSにおけるパッケージの自動インストールスクリプト

#!/bin/bash

echo "prechecking package..."
LANG=C

REQUIRED_PACKAGES="sysstat sudo libidn \
fetchmail gmp \
compat-libstdc++-296 \
compat-libstdc++-33 libtool-ltdl \
wget patch \
gcc zlib-devel \
bzip2-devel ncurses-devel \
make"

INSTALLING_PACKAGES=`rpm -q $REQUIRED_PACKAGES |grep "is not installed" |cut -d
" " -f 2`

if [ "x$INSTALLING_PACKAGES" != "x" ]; then
        echo "Installing package $INSTALLING_PACKAGES"
        yum -y install $INSTALLING_PACKAGES
fi

echo "checking packages end!!"