Linux, Ubuntu, Debian, Mint, CentOS Tutorials
A symbolic link is a file that redirects into another file or folder. Symbolic links also called shortcuts in Windows operating system. Symbolic links provide the ability to put a single file or directory into multiple locations without copying. Symbolic links do not contain actual data where only provides a link to the actual data … Read more
The bash echo command is used to print some text into the terminal or command-line interface. The echo command print specified text or variables in different ways. But in some cases, we may want to print a new line with the echo command. New Line In Bash Before trying to print a new line in … Read more
Ubuntu and Debian use the apt repositories in order to download and install packages. Apt repositories provide the *.deb packages with their metadata information. Ubuntu and Debian provide official Apt repositories with a lot of packages. But in some cases 3rd party apt repositories can be used to install different software packages. The add-apt-repository command … Read more
Linux is a file-based operating system that contains a lot of files. Linux generally prefers simple text files for configuration and different purposes for its simplicity and ease to read and write. But how can I count lines in Linux? What Is Line In Linux? A file consists of some data which can be a … Read more
Directories or folders can contain multiple files and directories. These multiple files and directories use some disk space and have a size. But when we list the files and directories we see that the directory size is listed as 4096 bytes or 4KB. This is the directory standard size which does not contain the files … Read more
TTY or Tele Type Writer is a device that is used to provide input into the destination system. TTY is a generic term that is used for different hardware and software for different systems. TTY History First TTYs are created in the 1830s with the name of teleprinters. Teleprinters were hardware devices that are used … Read more
SSL/TLS is used to encrypt and make secure HTTPS connections. While using the HTTPS web pages with the curl command you may get some SSL/TLS related warnings or errors. Experienced users generally look for –no-check-certificate option which is provided for wget to skip SSL/TLS certification checks. The curl command provides the -k or –insecure options … Read more
The curl command is used to get different resources over different protocols like HTTP, HTTPS, FTP, LDAP, IMAP, etc. One of the most popular use cases for the curl is the HTTPS protocol. HTTPS is the secure version of the HTTP protocol where the data is encrypted and the HTTPS server is identified with an … Read more
Ubuntu is a popular Linux distribution that uses *.deb packages. The package management can be done via different ways or tools like apt, apt-get, dpkg, GUI Package manager, etc. You may ask how can you list installed packages in Ubuntu for different cases by using different tools. List Installed Packages with apt Command The apt … Read more
The rsync is a command-line tool that is used to copy and synchronize files and folders over the network connection. It is very fast and versatile which makes it from other command-line tools. The rsync tool provides a lot of features for sync and copy operation where one of them is excluding files and directories. … Read more