How do I find installed programs on Linux?

How do I see all installed programs in Linux?

4 Answers

1. Aptitude-based distributions (Ubuntu, Debian, etc): dpkg -l.
2. RPM-based distributions (Fedora, RHEL, etc): rpm -qa.
3. pkg*-based distributions (OpenBSD, FreeBSD, etc): pkg_info.
4. Portage-based distributions (Gentoo, etc): equery list or eix -I.
5. pacman-based distributions (Arch Linux, etc): pacman -Q.

Where are programs stored in Linux?

Linux ‘Program Files’ are in the whole hierarchy. It could be on /usr/bin , /bin , /opt/… , or in another directories.

How do I find out what RPM packages are installed on Linux?

To view all the files of an installed rpm packages, use the -ql (query list) with rpm command.

How do I know if Tomcat is installed on Linux?

A simple way to see if Tomcat is running is to check if there is a service listening on TCP port 8080 with the netstat command. This will, of course, only work if you are running Tomcat on the port you specify (its default port of 8080, for example) and not running any other service on that port.

How do I know if Xclock is installed on Linux?

How to identify if xclock is installed and if it is not installed, how to install it. Use rpm -qa to find if the package xorg-x11-apps is installed. The above command returns nothing. Which means that there is no rpm for xclock installed on the system.

How do I know if GUI is installed on Linux?

So if you want to know whether a local GUI is installed, test for the presence of an X server. The X server for local display is Xorg . will tell you whether it’s installed.

How do I check if a package is installed in Linux?

Use pacman command to check if the given package is installed or not in Arch Linux and its derivatives. If the below command returns nothing then the ‘nano’ package is not installed in system. If it is installed, the respective name will be displayed as follows.

How do I know what Python packages are installed on Linux?

python : list all packages installed

1. Using help function. You can use help function in python to get the list of modules installed. Get into python prompt and type the following command. This will list all the modules installed in the system. …
2. using python-pip. sudo apt-get install python-pip. pip freeze. view raw pip_freeze.sh hosted with ❤ by GitHub.

28 окт. 2011 г.

How do I find Tomcat version in Linux?

Using the release notes

1. Windows: type RELEASE-NOTES | find “Apache Tomcat Version” Output: Apache Tomcat Version 8.0.22.
2. Linux: cat RELEASE-NOTES | grep “Apache Tomcat Version” Output: Apache Tomcat Version 8.0.22.

14 февр. 2014 г.

Where is Tomcat installed on Linux?

By default for Tomcat7 it’s usually /usr/share/tomcat7 .

How do I start Tomcat in Linux?

This appendix describes how to start and stop the Tomcat server from a command line prompt as follows:

1. Go to the appropriate subdirectory of the EDQP Tomcat installation directory. The default directories are: On Linux: /opt/Oracle/Middleware/opdq/ server /tomcat/bin. …
2. Run the startup command: On Linux: ./startup.sh.