What is the whatis command? The whatis command looks up a given command, system call, library function, or special file name, as specified by the Command parameter, from a database you create using the catman -w command. The whatis command displays the header line from the manual section.
How do I know if Apache is running on Ubuntu?
How to Check the Apache Version
Open terminal application on your Linux, Windows/WSL or macOS desktop.
Login to remote server using the ssh command.
To see Apache version on a Debian/Ubuntu Linux, run: apache2 -v.
For CentOS/RHEL/Fedora Linux server, type command: httpd -v.
How do I run Fortran in Ubuntu?
f program on Linux or Unix OS.
Write a Hello World Fortran Program. Create helloworld.
Make sure Fortran compiler is installed on your system. Make sure Fortran compiler is installed on your system as shown below.
Compile the Fortran program. Compile the helloworld.
Execute the Fortran program (a. out)
How do I view uptime? Right-click the Windows taskbar and select Task Manager. Once Task Manager is open, click the Performance tab. Under the Performance tab, you will find the label Uptime.
Where Is sources list on Ubuntu? The package resource list is used to locate archives of the package distribution system in use on the system. This control file is located in /etc/apt/sources. list and additionally any files ending with “. list” in /etc/apt/sources.
How do I find processor info in Ubuntu? You can just use this : more /proc/cpuinfo in your command line. Use the uname -m or arch command from the terminal. For a 64-bit processor and kernel, the command will output x86_64 . Those commands output “x86_64” which identifies that 64-bit software is being used.
How do I give a user sudo access in Ubuntu?
Steps to create a new sudo user on Ubuntu
First add the user, run: sudo adduser <UserNameHere>
Add the user to sudo group by typing the command in terminal for Ubuntu version 12.04 and above: sudo adduser <UserNameHere> sudo.
In older version of Ubuntu (version 12.04 and older), run: sudo adduser <UserNameHere> admin.
How do I find my Linux kernel name?
How to Check Kernel Version in Linux in Command Line
uname Command.
hostnamectl Command.
Display the /proc/version File.
dmesg Command.
Does ubuntu come with Netcat? Linux distributions come with Netcat already compiled and installed but I will cover how to install and use Netcat in ubuntu. You can choose to install Netcat with the ‘apt-get install’ command or compile and install it from the source.
How do I check C version? Type “gcc –version” in command prompt to check whether C compiler is installed in your machine. Type “g++ –version” in command prompt to check whether C++ compiler is installed in your machine. But, we are good if C compiler is installed successfully in our machine as of now.