Skip to content
Top Menu
  • Home
  • About
  • Contact Us
  • OS Tweak
  • Icons
  • Themes
  • Sitemap
  • Linux Acronyms
  • Facebook
  • Twitter
  • Linkedin
  • Tumblr
  • Pinterest
2DayGeek

2DayGeek

Linux and Unix, Open Source, Linux Howtos

  • Home
  • Shell Script
  • LVM
  • Ansible
  • Posts Archive
  • Package Management
  • Linux Commands
  • Monitoring Tools

Linux Commands

Disk IO / FAQ / Hard Disk Monitoring / Linux Administration / Linux Commands

6 best tools to monitor disk IO performance in Linux

March 2, 2021March 18, 2021 - by Magesh Maruthamuthu - 6 Comments.

Disk IO issues (input/output) are one of the most common causes of poor performance on Linux system. This occurs when applications try to quickly read or write too much data …

6 best tools to monitor disk IO performance in Linux Read More
Linux / Linux Administration / Linux Basic / Linux Commands / Shell Script / User Management

How to lock & unlock multiple users in Linux

February 23, 2021February 24, 2021 - by 2daygeek - 4 Comments.

‘usermod’ & ‘passwd’ commands are used to lock or unlock one user account at a time, but you may need to write some small shell scripts to perform this action …

How to lock & unlock multiple users in Linux Read More
Linux / Linux Commands / secure shell / security / ssh

How to Automatically Accept SSH Key Fingerprint

December 21, 2020August 9, 2021 - by Magesh Maruthamuthu - 3 Comments.

SSH Secure Shell is an encryption network protocol that provides secure encrypted communications between two hosts. It allows you to connect to a remote machine securely over an insecure network. …

How to Automatically Accept SSH Key Fingerprint Read More
cli / Image Viewer / Linux / Linux Commands

How to view images from Linux terminal

December 16, 2020March 26, 2021 - by Magesh Maruthamuthu - 1 Comment

Linux has many GUI applications for viewing images. But have you ever tried a CLI application to view them or do you know if one exists? Fortunately, while working with …

How to view images from Linux terminal Read More
Debian / Linux / Linux Commands / Linux Mint / ubuntu

How to List and Remove a GPG key in Ubuntu

December 11, 2020March 24, 2021 - by Magesh Maruthamuthu - Leave a Comment

Some time ago we wrote an article about removing the PPA repository from the Ubuntu system. The PPA repository keys will not be removed as part of removing the PPA …

How to List and Remove a GPG key in Ubuntu Read More
Disk Partition / Linux / Linux Commands / Logical Volume Management / Logical Volume Manager / LVM

How to Remove Physical Volume from a Volume Group in LVM

October 8, 2020July 30, 2021 - by Magesh Maruthamuthu - 1 Comment

If a device is no longer needed by LVM, you can use the ‘vgreduce’ command to remove that physical volume from it’s volume group. The ‘vgreduce’ command shrinks the capacity …

How to Remove Physical Volume from a Volume Group in LVM Read More
CentOS / Linux / Linux Commands / Oracle Linux / RHEL

How to Scan\Detect new LUN’s & SCSI disks in Linux

September 2, 2020April 3, 2023 - by Magesh Maruthamuthu - 7 Comments.

When building a Linux server, it is inevitable to map the storage to save any database and application files which require more storage space. To add storage to the host, …

How to Scan\Detect new LUN’s & SCSI disks in Linux Read More
Arch Linux / CentOS / Debian / fedora / Howtos / Linux / Linux Advanced Commands / Linux Commands / Linux Mint / Linux-Distributions / linux-tutorials / opensuse / Oracle Linux / Red Hat / Red Hat Enterprise Linux / RHEL / ubuntu

How to Convert Text Files between Unix and DOS (Windows) Formats

August 18, 2020August 18, 2020 - by Magesh Maruthamuthu - 1 Comment

As a Linux administrator, you may have noticed some requests from developers to convert files from DOS format to Unix format, and vice versa. This is because these files were …

How to Convert Text Files between Unix and DOS (Windows) Formats Read More
Howtos / Linux / Linux Administration / Linux Basic / Linux Commands

How to Kill user sessions in Linux

July 28, 2020February 17, 2021 - by Magesh Maruthamuthu - Leave a Comment

Sometimes we might need to kill a user session in Linux based on requests, which can be done by sending SIGNALS with kill command. We need to send one of …

How to Kill user sessions in Linux Read More
Howtos / Linux / Linux Administration / Linux Basic / Linux Commands / User Management

How to become a ‘root user’ in Linux?

July 21, 2020January 25, 2021 - by Magesh Maruthamuthu - Leave a Comment

root user is a privileged user in Linux, which is similar to an administrator in Windows. All kind of administrative operations can be performed using root user privilege hence it …

How to become a ‘root user’ in Linux? Read More

Posts navigation

Previous 1 2 3 … 24 Next

Advertisement

– For Better Offers –

Google Translater

Ads

Get more stuff

Subscribe to our mailing list and get interesting stuff and updates to your email inbox.

Thank you for subscribing.

Something went wrong.

we respect your privacy and take protecting it seriously

Blog Categories

Blog Archives

Recent Posts

  • How to map SAN LUN, Disk and FileSystem in Linux June 3, 2023
  • How to Create Shared VxFS FileSystem on Linux May 7, 2023
  • How to Extend/Increase VxFS Filesystem in Linux April 30, 2023
  • How to Create VxVM Volume and Filesystem in Linux April 3, 2023
  • How to move a Volume Group from one system to another February 25, 2023

Copyright © 2023 2DayGeek :- Linux Tips, Linux How-to Guides and Tutorials is licensed under a (cc) BY-NC

  • Join Us
  • Donate
  • Terms And Conditions
  • Privacy Policy