An operating system is a software which is used to operate, use computer or server hardware and provide these sources to the user applications. Operating systems is an intermediate software which is very important for computers and servers because it provides a lot of different services to the user side applications. Operating System History Operating system history consists of mainly 4 phases. First Generation (1945-1955) First operating systems are created...
Linux provides lspci command in order to list PCI bus and devices information. This command will provide brief or detailed information about currently connected PCI devices like GPU, USB Card etc. Install For Ubuntu, Debian, Kali, Mint We can install lspci tool with the following command to the deb based distributions.
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$ sudo apt install pciutils |
Install For Fedora, CentOS, Fedora In yum or dnf based distributions we can use the following command which...
Linux is a Operating System kernel and user space applications will create different distributions like CentOS, Ubuntu, Mint, Kali around this kernel. Kernel can be downloaded freely and used without any license fee. In this tutorial we will learn how to download Linux Kernel from kernel.org and compiling with GCC . An the last step installing or upgrading the kernel. Download Kernel Source Code Kernel source code is originally maintained...
Linux distributions provides a lot of tools in order to monitor system performance. vmstat is one of the most used tool for system performance monitoring. vmstat can collect and report information about memory, cpu, swap, io in a detailed way. In this tutorial we will examine the output of the vmstat and different features and options of it. List System Resource Usage We will start by using vmstat command without any option. This will...
VMware is a Linux based virtualization system which provides rich features. VMware supported by different platforms like Windows, MacOS, Linux. As WMware is a closed source product we need to make some manual work on Linux systems. If we are using Ubuntu, Fedora, Debian, Mint and similar up-to-date systems which owns kernel newer than 4.8 VMware do not works accordingly. In this tutorial we will look the problem and how...
dmesg is used to print and control kernel ring buffer. This explanation may be confusing for the most of the readers. Here simplified explanation. dmesg provides logs for troubleshoot, diagnose or save which is created by Linux kernel. It provides low level messages which is not logged by other subsystems. Provided Information Type dmesg command and buffer provides a lot of different type of messages and logs. Here the list...
VMware is one of the best virtualization company. Especially in the desktop based virtualization it provides far more features than its competitors. VMware provides some tools to make virtualization experience more smooth. These tools are called VMware Tools. In this tutorial we will look how to install these tools into Linux distributions like Debian, Ubuntu, Mint, Kali but this will work for Fedora, CentOS, RHEL too. Mount Tool ISO into...
What makes an Operating system Linux Distribution? All Linux distributions use same kernel named Linux Kernel. Linux kernel provides operating system services, hardware management, process management, memory management etc. Linux kernel is a monolithic kernel which means single executable all in one. But the operating systems should provide dynamic environments to comply user needs. Linux provides mechanism to load some drivers, features etc. This is called kernel modules. In this...
Linux is the kernel and there are a lot of distributions those use kernel. Distributions provides different experience and flavors to the users. Some times getting distribution and version information from a Linux box became very important. We will look how to get Linux kernel and distribution from Linux system. Kernel Information Kernel information can be get with uname command which is by default exists all Linux, Unix,BSD operating systems....
Newcomers to Linux world generally confuse or no idea about distributions. We call generally the operating system as Linux but actually Linux is just a kernel. So why we call all of them Linux because kernel is very important and without Linux kernel the distributions can not be exists. But reverse Linux can exists without distributions. Linux Kernel The Linux project is started as a kernel or low level operating...
