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June 6, 2025
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Linux Advanced Commands

Linux Advanced Commands / Linux Commands / security

Four ways to install security updates on Red Hat (RHEL) & CentOS systems

May 28, 2019September 10, 2019 - by Magesh Maruthamuthu - Leave a Comment

Patching of the Linux server is one of the important and routine task of Linux admin. Keeping the system with latest patch level is must. It protects your system against …

Four ways to install security updates on Red Hat (RHEL) & CentOS systems Read More
Linux Advanced Commands / Linux Commands / security

How to check available security updates on Red Hat (RHEL) and CentOS system

May 27, 2019September 10, 2019 - by Magesh Maruthamuthu - Leave a Comment

Based on your organization policy you may need to push only security updates due to various reasons. In most cases, it could be an application compatibility issues. Is it possible …

How to check available security updates on Red Hat (RHEL) and CentOS system Read More
Linux Advanced Commands / Linux Commands

How to check whether the given package is already installed in Debian/Ubuntu systems.

May 6, 2019September 11, 2019 - by Magesh Maruthamuthu - Leave a Comment

We have recently published an article about bulk package installation. While doing that, I struggled to get the installed package information and did a small google search and found few …

How to check whether the given package is already installed in Debian/Ubuntu systems. Read More
Linux Advanced Commands / Linux Commands

Five methods to check your system’s current Runlevel in Linux

April 24, 2019September 12, 2019 - by Magesh Maruthamuthu - Leave a Comment

A run level is an operating system state on Linux system.There are seven runlevels exist, numbered from zero to six.A system can be booted into any of the given runlevel. …

Five methods to check your system’s current Runlevel in Linux Read More
How to Find Default Gateway IP in Linux
Linux Advanced Commands / Linux Commands

How to Find Default Gateway IP in Linux

April 23, 2019November 29, 2021 - by Magesh Maruthamuthu - Leave a Comment

A gateway is a router that acts as an access point to pass network data from one network to another. The default gateway is your router’s IP address, which must …

How to Find Default Gateway IP in Linux Read More
Download Manager / Linux Advanced Commands / Linux Commands

HTTPie – Modern command line HTTP client , An alternate for Curl and Wget

April 17, 2019September 12, 2019 - by Magesh Maruthamuthu - Leave a Comment

Most of the time we use Curl Command or Wget Command for file download and other related purpose. We had written best command line download manager in the past. You …

HTTPie – Modern command line HTTP client , An alternate for Curl and Wget Read More
Fast Directories Navigation / Linux Advanced Commands / Linux Commands

Pushd & Popd : Easy way to navigate between directories faster in Linux

April 11, 2019September 12, 2019 - by Magesh Maruthamuthu - Leave a Comment

We had written few articles on this title, which allows us to quickly go back to the given parent directory. We normally use cd /go/to/the/path to go to the given …

Pushd & Popd : Easy way to navigate between directories faster in Linux Read More
Apps / Linux Advanced Commands / Linux-Distributions

topgrade – Upgrade/Update the system using single command in Linux

April 8, 2019September 13, 2019 - by Magesh Maruthamuthu - Leave a Comment

As a Linux administrator, you have to keep your system up-to-date to get ride out from some unexpected issues. We have to keep the system with latest patches as part …

topgrade – Upgrade/Update the system using single command in Linux Read More
Fast Directories Navigation / Linux Advanced Commands / Linux Commands

UP Shell Script – To Navigate specific parent directory in Linux

April 2, 2019October 7, 2019 - by Magesh Maruthamuthu - Leave a Comment

Recently we had written an article about bd command, which help us to quickly go back to the specific parent directory. Even, the up shell script allow us to perform …

UP Shell Script – To Navigate specific parent directory in Linux Read More
Linux Advanced Commands / Shell Script / User Management

Four methods to add an User to specific group in Linux

April 1, 2019October 7, 2019 - by Magesh Maruthamuthu - Leave a Comment

Linux groups are organization units used to manage user accounts in Linux. It has unique numerical identification number for each users and groups in the Linux system. It’s called a …

Four methods to add an User to specific group in Linux Read More

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