redhat

To display CPU information like number of CPUs, cores, threads, NUMA nodes, sockets, information about CPU caches, model, CPU family and stepping and their speed on Linux operating systems. We can get information about cpu using these commands lscpu, /proc/cpuinfo and lstopo (hwloc). These will...

Linux command check RHEL/CentOS kernel version : You can check CentOS kernel version through following command which works with all Linux distributions, such as Red Hat, CentOS, Debian, and Ubuntu. It also works on other UNIX-like operating systems such as HPUX, FreeBSD, OpenBSD, Solaris, etc...

There are several ways to get CentOS version information running on your system. Below given are examples through which you can get CentOS version. However, each one will not work for you but mostly works one of them. 1). You can check CentOS version through cat command (always works): ---- #...

The scp command in Linux is used to transfer files between machines over a secure, encrypted connection. It is similar to rcp. The general syntax to transfer a local file to a remote system is as follows: ----- scp source_file_name username@destination_host:destination_folder ----- The...

Linux is one of the most popular open source operating system and comes with huge set of commands. To check the total available space of the physical memory and swap memory we can use “free” command utility in Linux. The Linux “free” command gives information about total used and available space...

Importance of emails these days are very well known for information transfer. It provide a fast and reliable way to transfer your message instantly and secured. There are many email providers which provides you an interface to send or receive mails. But, what if we need to send emails through...

Find Command in Linux : The Linux Find Command is used to search and locate list of files and directories in Linux File system. You can find files on behalf of users, permissions, groups, date, size, file type and other possible criterias. Examples of Find commands : 1. Find Files Using Name...

rsync Command rsync means remote sync. rsync is a utility provided by linux to synchronize the files and folders from one location to another on same or remote server. rsync is basically used to perform backup task on Linux servers. Key features of rsync are : 1). Speed : the main and...

Screen command in Linux Server : The screen command is a utility provided by Linux to execute some process under or inside a screen. By using this you can simply detach from the screen and keep working on that server without keep waiting for the process to get completed. It is quite very...

While working on Linux systems a question arises in our mind is that how can we find out disk space utilization information using command line option? Well, great news is, Linux has a inbuilt utility "df" to check disk space usage: Linux commands to check disk space df command – Shows the...