In this tutorial how to convert Centos 7 server to MikroTik router using bash script. MikroTik is a popular router for every ISP. MikroTik provides many installation process like iso, image file, chr and more. So in this tutorial using chr  image.

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Step #01: Check server operating system version using below command.

[[email protected] ~]# cat /etc/redhat-release

Then check ip address using below command.

[[email protected] ~]# ip r

Step #02: create script.sh file and insert command.

[[email protected] ~]# vi script.sh

Now insert below all lines into this file.

#!/bin/bash
wget https://download.mikrotik.com/routeros/6.44.6/chr-6.44.6.img.zip -O chr.img.zip  && \
gunzip -c chr.img.zip > chr.img  && \
mount -o loop,offset=512 chr.img /mnt && \
ADDRESS=`ip addr show eth1 | grep global | cut -d' ' -f 6 | head -n 1` && \
GATEWAY=`ip route list | grep default | cut -d' ' -f 3` && \
echo "/ip address add address=$ADDRESS interface=[/interface ethernet find where name=ether1]
/ip route add gateway=$GATEWAY
/ip service disable telnet
/user set 0 name=root password=xxxxxx
 " > /mnt/rw/autorun.scr && \
umount /mnt && \
echo u > /proc/sysrq-trigger && \
dd if=chr.img bs=1024 of=/dev/xvda && \
echo "sync disk" && \
echo s > /proc/sysrq-trigger && \
echo "Sleep 5 seconds" && \
sleep 5 && \
echo "Ok, reboot" && \
echo b > /proc/sysrq-trigger

Then press Esc type :wq then press Enter for save file.

Remember : Must be change eth1 and /dev/xvda as your own server interface name and disk name otherwise not properly install this script.

Check your server disk name

[[email protected] ~]# lsblk

Check your server interface name using below command.

[[email protected] ~]# ip a

Then see your interface name.

If any error so please see my YouTube channel for more videos.

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Admin

I am system administrator as Windows and Linux platform. I have 4 years skilled from the professional period. I have to configure Linux based system such as an Asterisk VOIP system, Network monitoring tools (ZABBIX), Virtualization (XEN Server), Cloud computing (Apache CloudStack) etc. Now share my professional skill each interested person.
Thanks to all.

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