Linux, Ubuntu, Debian, Mint, CentOS Tutorials
The scp command can copy files securely from the local system to the remote system via the network. During the copy from local to remote the transmitted data is encrypted which makes this copy secure. Also, specified local directories or files can be copied recursively to the remote system. In this tutorial, we will examine … Read more
The scp is a command and tool used to copy files and directories between two systems over the network. The scp command is generally used for Linux and network systems but also supports Windows operating systems. One of the most useful features of the scp command is copying files and directories recursively. In this tutorial, … Read more
During establishing an SSH connection you may get the “Error permission denied (publickey)” error. This error prevents you from connecting to the remote system via SSH. The remote system can be Linux, Ubuntu, Mint, Kali, Linode Server, Digital Ocean Server or AWS server, etc. This error is generated because of cryptographic keys. “Error Permission Denied(publickey)” … Read more
SSH (Secure Shell) is a protocol created to connect and manage systems remotely in a secure manner. SSH is the most popular protocol to manage Linux and Network systems via a command-line interface. As a Linux distribution, Ubuntu supports the SSH protocol as an SSH server and SSH client. In this tutorial we will learn … Read more
Linux and other operating systems provide the ssh-keygen command in order to generate SSH keys. SSH keys consist of a key pair which are called Public Key and Private Key. These cans can be used to automatic or passwordless certificate-based login to the remote SSH server.
The curl is a command-line tool that is used to download and upload files from the command line without any GUI. Even the curl is a cross-platform tool it is mainly designed and used in Linux distributions like Ubuntu, Mint, Debian, Kali, and CentOS. A proxy is an intermediate system in a network that is … Read more
Apache or Apache2 is a popular web server software used by millions of websites. Apache webserver can run PHP web applications and is generally used as Linux+Apache+MySQL+PHP formula in order to create a full-stack web application. Apache Web Server is a service that may be required to restart in different cases. Why Restart Apache Web … Read more
The IP address is the core of the computer networks where we use an IP address in our daily life regularly. When we try to access a web page or a game or a video stream the remote server IP address is used to connect and data transfer. IP Address Types IP is a protocol … Read more
The arping command is a command-line tool used in the Linux operating system to discover and detect hosts on the network. The arping uses the ARP protocol in order to ping hosts with the Layer 2 ARP requests. The ARP protocol is used to resolve IP addresses to the MAC addresses in order to communicate … Read more
The ping command is provided by the Linux distributions like Ubuntu, Debian, Mint, Kali, CentOS, RHEL, SUSE by default. The term ping is the short form of the “Packet Internet Groper”. The ping command is used to check remote system network connectivity and troubleshoot the problem. The ping command uses the ICMP protocol and packets … Read more