Solved: How to change from EFI to SMI label and vice-versa

Hello!

In this post we will see how to change the disk label from EFI to SMI in a Solaris server.

Udemy

Before you decide to change the disk label ensure that the disk doesn’t have any important data. If needed take backup of the disk. As during label change all the data will be removed from the disk.

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Solved: Install Python 3 in Linux and set it as default

In this post we will show you how to install python 3 in a Linux box. We have Centos 7 installed in our server.

Check installed python version

Udemy

Most of the Linux versions by default have python installed. So let’s check the current version.

[ec2-user@cloudvedas ~]$ python --version
 Python 2.7.5
[ec2-user@cloudvedas ~]$

As we can see from the above output, currently we have Python 2 installed and we need Python 3 so let’s install it.

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Solved: Block spam in WordPress for free without plugin or coding

Hello!

In this post we will show you how you can manage the spam comments on your website without installing a plugin or tweaking the code.

Udemy

All of us who manage a website or blog knows what a menace are spam comments. These spam can easily ruin the experience of your visitors and may also degrade your ranking in search engines.

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Solve: How to add an EBS volume to a Windows EC2 instance and configure it

This post is divided in two sections. In the first section you will see how to create an EBS volume and in the next section we will show you how to configure the EBS volume in windows instance.

Create EBS Volume

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Solved: How to extend or grow a linux filesystem under LVM

In this post we will see how to grow a Linux filesystem without reboot.

Udemy
  • Let’s check our current filesystem. We want to extend this filesystem by 200MB.
[root@cloudvedas CVFS1]# df -h /CVFS1
Filesystem                  Size Used Avail Use% Mounted on
/dev/mapper/cvsvg-cldvdsvol1 47M 12M    32M  26%   /CVFS1
[root@cloudvedas CVFS1]#
  • First check if we have free space in VG

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Solved: How to label a disk in Linux

In this post we will see how to label a new disk in Linux and create a new LVM partition.

Step 1 Scan the new LUNS.

Udemy

Step 2 List the available disks and identify the one you want to use.

  fdisk -l |grep /dev/ |grep -v dm

Step 3 Use fdisk to label the disk. Here we are using disk sdb .

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LVM Crash course

In this post we will give you a crash course on Linux LVM (Logical Volume Manager). This post will cover the most used LVM commands in a Linux Admin life.

Below commands are for RHEL 7.

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All the below commands will require root access. You can either run them with sudo  or switch to root user as mentioned below.

sudo su -

Install LVM

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[root@cloudvedas ~]# yum install lvm2*

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Solved: How to check remote port status in windows server 2016 without telnet

Telnet was always a security risk as data transfer is not secure on it. Seems like Microsoft has now finally removed it from  Windows Server 2016.

We generally use telnet to check if a port is open on the remote server. So, how to check it now without telnet?

Udemy

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