Scripts/kk47tuneos at master · kk47/Scripts · GitHub

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#!/bin/bash
#init the dayu system environment

function centos_off_services()
{
    chkconfig abrt-ccpp off
    chkconfig abrtd off
    chkconfig acpid off
    chkconfig atd off
    chkconfig auditd off
    chkconfig ip6tables off
    chkconfig mdmonitor off
    chkconfig rdisc off
    chkconfig restorecond off

    service iptables stop
    chkconfig iptables off

    chkconfig ntpd on

    setenforce 0
    sed -i 's/^SELINUX=.*$/SELINUX=disabled/g' /etc/sysconfig/selinux
}

function ubuntu_off_services()
{
   update-rc.d bluetooth disable
   sudo ufw disable
}

function off_services()
{
    if [[ `cat /etc/issue |grep "CentOS"` ]]; then
        centos_off_services
    elif [[ `cat /etc/issue |grep "Ubuntu"` ]]; then
        ubuntu_off_services
    else
        echo "Unsupport system!!!"
        exit 1
    fi
    echo "Off system service Done."
}

function modify_updatedb()
{
    grep "fuse.dayufs" /etc/updatedb.conf &>/dev/null
    if [[ $? -ne 0 ]]
    then
        sed -i '/PRUNEFS/s/"/"fuse.dayufs\ /' /etc/updatedb.conf
    fi
    [ -z $DAYU_MNT_PNT ] && DAYU_MNT_PNT=/mnt/dayu
    grep "$DAYU_MNT_PNT" /etc/updatedb.conf &>/dev/null
    if [[ $? -ne 0 ]]
    then
        sed -i "/PRUNEPATHS/s/\"/\"$(echo $DAYU_MNT_PNT |sed 's/\//\\\//g')\ /" /etc/updatedb.conf
    fi
    grep "/dayudata" /etc/updatedb.conf &>/dev/null
    if [[ $? -ne 0 ]]
    then
        sed -i "/PRUNEPATHS/s/\"/\"\/dayudata\ /" /etc/updatedb.conf
        echo "Add updatedb prunes Done."
    fi
    echo "Modify updatedb Done."
}

function modify_kernel()
{
    if [[ ! -z $coredir ]]
    then
        grep "kernel.core_pattern = ${coredir}/%e-%p-%t" /etc/sysctl.conf || echo "kernel.core_pattern = ${coredir}/%e-%p-%t" >> /etc/sysctl.conf
    else
        [ ! -d /cores ] && mkdir /cores
        grep "kernel.core_pattern = /cores/%e-%p-%t" /etc/sysctl.conf || echo "kernel.core_pattern = /cores/%e-%p-%t" >> /etc/sysctl.conf
    fi
    grep "net.ipv4.tcp_retries2 = 6" /etc/sysctl.conf || echo "net.ipv4.tcp_retries2 = 6" >> /etc/sysctl.conf
    /sbin/sysctl -e -p &> /dev/null
    echo "Modify kernel Done."
}

function remove_motd()
{
    test -e /etc/pam.d/login  && sed -i "s/\(^[^\#].*pam_motd\.so.*\)/\#\1/g" /etc/pam.d/login
    [[ $? -eq 0 ]] || echo "Failed to remove motd from login"
    test -e /etc/pam.d/sshd && sed -i "s/\(^[^\#].*pam_motd\.so.*\)/\#\1/g" /etc/pam.d/sshd
    [[ $? -eq 0 ]] || echo "Failed to remove motd from sshd"
}

function lshw_check
{
    if [[ -f /usr/sbin/lshw ]]
    then
        declare -i ver=`lshw -v 2>&1 |head -n 1 |awk -F. '{print $3}'`
        if [[ $ver -le 14 ]]
        then
            [[ -d /root/dayu/misc ]] && \cp -f /root/dayu/misc/lshw /usr/sbin/ && echo "lshw check Done."
        fi
    else
        [[ -d /root/dayu/misc ]] && \cp -f /root/dayu/misc/lshw /usr/sbin/ && echo "lshw check Done."
    fi
}

#shutdown the unnesessary service
off_services

#add fuse.dayufs to updatedb prunes
modify_updatedb

#kernel parms modify
modify_kernel

# remove pam_motd.so from login/ssh
remove_motd

# update lshw
lshw_check