Find the line that starts with:

linux16 /vmlinuz...

At the end of that line, add the following:

rd.break

Press Ctrl + X

 

Remount the Filesystem as Read/Write

mount -o remount,rw /sysroot

Chroot into the Real System

chroot /sysroot

Change the Root Password

passwd

 

Re-label SELinux Contexts (important)

touch /.autorelabel

exit and reboot

conf t

! Configure extended ACL 100 to block ICMP to 8.8.8.2
ip access-list extended 100
 10 deny icmp 192.168.1.0 0.0.0.255 host 8.8.8.2
 20 permit ip any any
exit

! Configure standard ACL for NAT
ip access-list standard NAT_ACL
 10 permit 192.168.1.0 0.0.0.255
exit

! Configure inside interface
interface g0/0/0
 ip address 192.168.1.1 255.255.255.0
 ip nat inside
 no shutdown
exit

In this tutorial, we will learn the basics of deploying various web applications using Docker. We will learn building docker images, pushing docker images to dockerhub and using docker compose for deploying multi-container application.

GIT

Why:

 

In this tutorial, we will learn various approaches to deploy Java applications using Docker. We will learn to deploy both standalone and web applications using various techniques.

Screenshots of pages from my diary regarding K8s

In this tutorial, we will learn how to configure https with SSL certificates for a server running NextCloud application using Docker containers.

In this tutorial, we will learn how to connect an additional CISCO router and CISCO L3 switch to an existing ISP's router. After the connection, we will enable inter-VLAN routing in the L3 switch. This configuration will make sure that there are enough IP addresses and devices in different VLANs can communicate with each other when needed.