Create LUN in Openfiler

Scenario: Create LUN in Openfiler from new disk. System: Openfiler ESA 2.9 Steps: 1) Click Volumes >> Click Block Devices,in picture below we see new drive /dev/sdb and /dev/sdc as…

Read more »

Install Openfiler

Scenario: Installing Openfiler at sda 40GB size. System: Openfiler ESA 2.99.1 Steps: – Download Openfiler iso from here. – Booting from Openfiler iso/DVD. – Select Graphical Mode press Enter. –…

Read more »

Extend Volume Group and Logical Volume on CentOS/RHEL

Scenario: Added new disk /dev/sdc then extend Volume Group and extend Logical Volume /var on CentOS/RHEL System: CentOS/RHEL 6/7 (ext4 filesystem) Steps: – After added disk /dev/sdc then create partition…

Read more »

Setup Autologout on CentOS/RHEL

Scenario: How to setup autologout console and ssh session on CentOS/RHEL System: CentOS/RHEL 6/7 By default on CentOS/RHEL fresh install system didn’t come with automatically logout, you must manually configure…

Read more »

Install Ansible Core on CentOS 7

System: CentOS 7, Ansible-2.6.0 Step 1 — Installing Ansible To begin exploring Ansible as a means of managing our various servers, we need to install the Ansible software on at…

Read more »

Create Partition on New Disk using Parted on CentOS

Scenario: Create partition and Volume Group 60GB size from 100GB disk on new disk using Parted on CentOS System: CentOS/RHEL 6 or 7 Steps: Show new disk: # fdisk -l…

Read more »

Mount Windows Folder Sharing on RHEL 6/CentOS 6

Scenario: -Mount Windows Folder Sharing (CIFS) on RHEL 6/CentOS 6. -Set only Linux user >> user1 that have RWX access. -Hide sharing credentials from other Linux users. -Mount permanent at…

Read more »

Setup Virtual Domain Postfix

Scenario: – Forward certain email recipient to another email address. – Forward local Unix account email address to another email recipient because in the Postfix server don’t have mailbox. System:…

Read more »

Configure Display Date and Time in Bash History Command on CentOS/RHEL

Scenario: How to display date and time in bash history command on CentOS/RHEL. By default default history command output didn’t show date and time.

Read more »

Setup Ethernet Bonding on RHEL 6

Scenario: Configure 4 ethernet into 2 ethernet bond0 and bond1 on RHEL 6/CentOS 6. System: RHEL 6.9 Steps: 1) Create new file bond0 (Eth0+Eth1) with IP Address = 172.16.10.70 #…

Read more »