Linux is an Open source operating system comes in many flavors like RedHat, Ubuntu, CentOS , OpenSUSE etc. It is currently supported in almost all the infrastructure and is most widely used OS around the World. I will cover all the important Linux Topics under this category.
In this article, we will look into zip command not found error in Linux (RedHat/CentOS 7/8). Many times you might have observed “zip command not found” error while trying to compress files using zip command in Linux. This is because zip command will not be available by default. You need to separately install it using … Read more
In this article, I will take you through different ways using which default umask values can be permanently changed in Linux. umask is an important needs to be set on Linux Based Systems which further decides the files and directories permission during its creation. Hence it is a important topic to understand what is umask, … Read more
In this article, we will look into how to enable or disable SELinux Temporarily or Permanently on RedHat/CentOS 7/8. SELinux is a security feature that you will find enabled in many Organizations to protect its resources from Unauthorized access. It is mostly used along with firewall to enhance the OS Security features. Hence it is … Read more
In this article, we will look into 10 Popular Examples of sudo command in Linux(RedHat/CentOS 7/8). sudo command in Linux is a program used for non-privileged users to provide privileged access of another user, mostly superuser access. In a real world scenario, when you do not want to provide root credentials to another user to … Read more
In this article, I will take you through 9 useful w command in Linux with Examples. w is a very basic command line tool used in Linux to find out the users current logged in to the system and the operations or tasks he is currently performing. You can find this tool automatically installed in … Read more
In this article, I will take you through 12 Most Popular rm command in Linux with examples. Sometimes you might get asked what is the Linux command for removing a directory or what command do you use to delete a file. Answers of all these questions is rm linux command. You might be aware of … Read more
In this article, I will take you through 26 Useful Firewall CMD Examples on RedHat/CentOS 7. firewalld provides a dynamically managed firewall with support for network/firewall “zones” to assign a level of trust to a network and its associated connections, interfaces or sources. It has support for IPv4, IPv6, Ethernet bridges and also for IPSet … Read more
In this article, I will take you through 8 Most Popular mkdir command in Linux with Examples. mkdir command is used to create directories in Linux if it does not exists. It can be used to create multiple directories at different locations and can also be used to create directories recursively. You can also set … Read more
In this article, I will take you through what is wget and how to use wget command in Linux(20 Popular wget examples). wget is an interactive command line tool used for downloading files in Linux. This utility can be used in almost all of the Linux Based Environments and find many uses in accomplishing day … Read more
In this article, I will take you through Popular firewalld Examples to open a port on RedHat/CentOS 7. firewall-cmd is the command line tool used to manage firewalld rules. It allows port and services to be opened during runtime and also allows it to be persistent after reboot. Both the options are extensively used in … Read more