Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Linux is a file-based operating system that contains a lot of files of different sizes. During daily usage, a lot of files are created or downloaded by systems or users. This consumes a lot of disk space which results in storage errors and warnings. We can search and find big or large files using different … Read more
Linux and Unix operating systems provide the mount command in order to attach file systems, disks, partitions, USB drive, cdrom, and even network shares into the local system. As a dynamic operation, we may also use the umount command in order to detach mounted devices. List Mounted Devices/File Systems Before mounting some devices or file … Read more
SSH protocol provides secure communication with remote systems in an easy way. When using the SSH protocol and tools to connect to the remote system there are different security checks. These checks may prevent or rejects the SSH connections. The ssh_exchange_identification connection closed by remote host error occurred when the remote system or SSH server … Read more
Docker is used to creating containers and run them isolated from the host. Docker containers are very similar to virtual machines where they provide similar services to VMs like SSH, HTTP, Telnet, etc. In this tutorial, we examine how to SSH into a running Docker Container in different ways like using the docker exec , … Read more
The scp command is used to copy files and directories over the network in a secure way. As a command files can be copied via the command-line interface. The scp name comes from Secure Copy . The scp command is provided by most of the Linux distributions can be used to copy from the remote … Read more
The HTTP protocol provides different attributes and behaviors where one of them is Redirection. HTTP redirect is used to redirect a request from a specific URL to another URL. The redirect can be applied temporarily or permanently. The curl is a popular command-line-based tool to make HTTP requests which also supports the HTTP redirect feature. … Read more
A curl command is a tool used to transfer data between different hosts. These hosts are generally called servers where different protocol types are supported by curl. The curl supports protocol types like FTP, FTPS, HTTP, HTTPS, IMAP, SCP, SFTP, SMB, TFTP, etc. Interestingly email protocols lşike IMAP, IMAPS, POP3, etc. are supported by the … Read more
SSH or Secure Shell is a network protocol used to connect remote systems in a secure way. The SSH provides easy access to the remote systems command-line interface. SSH is very popular between network devices, Linux systems in order to access their management command-line interfaces. SSH provides authentication and authorization features and asks for login … Read more
Linux provides the tail command in order to read specified files. The default behavior of the tail command is reading the specified files ends with the specified lines. By default, the tail command reads the last 10 lines of the specified files. tail Command Syntax The tail command has the following syntax where generally a … Read more
The netstat command is used to display network connections for network protocols like TCP and UDP. The netstat can display routing tables, network interfaces, network protocol statistics, open ports, etc. Both Linux distributions and Windows operating systems provide the netstat command. In this tutorial, we examine different usage examples for the netstat command. netstat Command … Read more