Unable to do ssh into machine? I have seen this problem many time and i know this is one of the problems that everyone faces. Below are my personal list of things that you can try to solve this problem. Check for key permissions. This happens if you key or pem file does not have
If you are working with websites and networking, you must have heard of the name of ‘NAMESERVERS’. We will try to figure out what exactly are these and how to install one and use it. Lets see what is a nameserver and how to run one What is a nameserver? These are the servers running
Recently I came to know about the runlevels in linux while going through initd. So I thought of writing about it and here it is what are runlevels in linux systems? Run-levels are the mode in which you unix system boots up. These modes can be from single user with no networking to full fledge
When you are debugging the servers it is sometimes very important to get the count of thread each process is running, Here we will see different ways by which we can see the number of threads. Keep in mind that these commands are for ubuntu and may vary for different systems. Let us start and
Linux is a very powerful Operating system and it has many flavors. Its always your choice which one to use but making them work faster and according to your need is something you will need. Here we will talk about alias and write a simple alias file to help you be more productive.Lets see how
When it comes to servers it is really important to keep track of memory, cpu utilization, which processes are taking what amount of CPU, what process are orphan processes etc. All these are required to take necessary step like kill a process if it is taking a lot of CPU or trigger autoscaling when CPU
Before starting I must mention the website Distrowatch here you can get information about all the linux distributions. Now starting over it depends on what kind of things you wanna do with your system. If you wanna explore the system like hacking or something : Kali If you want everything installed system and don’t want
Linux is always tough for newbies but trust me if you treat linux more than OS at the initial stages, you will be so intimated by its power that you may not get use to it easily. So my suggestion linux is just an operating System. Linux is one of the must to know things