init_install.sh

Posted 2022-04-20 zhj5551

 1 #!/bin/bash
 2 
 3 set -e
 4 hostname="test"
 5 ipaddr="192.168.134.10"
 6 
 7 # grub
 8 set flag=0
 9 grep -e "net.ifnames=0" /etc/default/grub  > /dev/null 2>&1 || flag=1
10 if [[ $flag  -ne 0 ]];then
11     s=`grep GRUB_CMDLINE_LINUX /etc/default/grub`
12     s2="$s%\"* net.ifnames=0 biosdevname=0\""
13     sed -i "s/GRUB_CMDLINE_LINUX=.*/$s2/g" /etc/default/grub
14     grub2-mkconfig -o /boot/grub2/grub.cfg
15     unset s
16     unset s2
17     flag=0
18 fi
19 
20 mv /etc/sysconfig/network-scripts/ifcfg-ens32 /etc/sysconfig/network-scripts/ifcfg-ens32.bak || true ; echo "zhangjia*********************" ; sleep 30 
21 cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
22 TYPE="Ethernet"
23 PROXY_METHOD="none"
24 BOOTPROTO="static"
25 NAME="eth0"
26 DEVICE="eth0"
27 ONBOOT="yes"
28 IPADDR="$ipaddr"
29 GATEWAY="192.168.134.2"
30 NETMASK="255.255.255.0"
31 DNS1="8.8.8.8"
32 EOF
33 
34 [[ grep $hostname /etc/hostname ]] || echo "$hostname" >>  /etc/hostname
35 systemctl disable NetworkManager && systemctl stop NetworkManager
36 setenforce 0 ; sed -i "s/SELINUX=enforcing/SELINUX=disabled/g"  /etc/selinux/config
37 echo "10s after reboot..." && sleep 10
38 reboot