Linux zgrep Command Tutorial

Linux zgrep Command Tutorial

The grep is a popular command used to search and match specified string in the given content or files. The zgrep is very similar to the grep where the compressed files can be easily grepped without any extra command to uncompress them. In this tutorial, we examine how to use zgrep to search in compressed … Read more

Linux dstat Command – Monitor Linux Performance and Resource Usage

Linux dstat Command - Monitor Linux Performance and Resource Usage

Linux provides a lot of tools and commands to monitor performance and resource usage. But dstat is one of the most popular commands used by users and system administrators. The dstat command is a replacement for the vmstat, iostat, and ifstat command. It merges all these commands into a single command and a single screen … Read more

Copy From Local To Remote with SCP Command

Copy From Local To Remote with SCP Command

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

Copy Files and Directories Recursively with SCP

Copy Files and Directories Recursively with SCP

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

SSH “Error Permission Denied(publickey)” Error and Solution

SSH "Error Permission Denied(publickey)" Error and Solution

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

How To Enable SSH on Ubuntu (All Versions)?

How To Enable SSH on Ubuntu (All Versions)?

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

How To Use curl with Proxy?

How To Use curl with Proxy?

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, CentOS. Proxy is an intermediate system in a network that is used to … Read more

How To Restart (Stop-Start) Apache Web Server?

How To Restart (Stop-Start) Apache Web Server?

Apache or Apache2 is a popular web server software used by millions of websites. Apache webserver can run PHP web applications and 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. Apache or Apache2 or Httpd … Read more

How To Find IP Address In Linux (Ubuntu, Debian, Mint, CentOS)?

How To Find IP Address In Linux (Ubuntu, Debian, Mint, CentOS)?

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