Yum-utils is an assortment of tools and programs for managing yum repositories, installing debug packages, source packages, extended information from repositories and administration.. To install it, run the command below as root, otherwise, use sudo command: # yum update && yum install yum-utils To update installed snap packages on the system, use the refresh command. Then I opened up a terminal on my mac and found that I had python 2.6.8 and 2.7.5 and 3.3.3 installed. List Installed Packages with Apt # Apt is a command-line interface for the package management system and combines the most commonly used functionalities from apt-get and apt-cache including an option to list installed packages. List Installed Packages. We have the ability to list all packages that are currently installed on our Linux system with ‘dnf list installed’. There are a few ways to quickly check whether a package is currently installed or not. It reads various /proc files to gather information. In this case, you can update those packages individually or run the following command to update them all: $ sudo apt dist-upgrade So let us try to install old rpm version of bash to "4.2.46-28.el7". It would take more time when there are lots of connections to display.  List Installed Packages with Apt # apt is a command-line interface for the package management system. dpkg … For some reason, you may be required to check login history to identify those who have logged into the system recently or within a certain period of time. But if you download a DEB file, these command won’t work. The last crucial command for using snaps is the refresh command. List of RPM packages, which are installed by default from ISO can only be obtained right after installing Check Point from ISO. Snap packages have the potential to replace ways we install and use software on Linux… Linux “packages” are just collections of software, and how you install them varies from distro to distro. Check the dependencies of a DEB file using dpkg. If you have instances of this on your operating system, some updates may be "kept back" in order to maintain functionality with other packages. In short I just want to know how to lookup all the version of python installed on centos so I don't accidentally install it twice. The netstat command has been deprecated and replaced by the ss command in most of the Linux distributions. Different ways to check if package is installed or not : On RPM based system. In order to check, which RPM packages were installed on the machine, collect the list of current RPM packages and compare it with the list of RPM packages, which were installed by default from ISO. Some packages rely on other packages in order to function properly. For where the program was installed (including all of the supporting files, so it can be a long list that you would need to search through) This means you can use dpkg command to list all the installed packages in Debian. Sorry for the long story. I have not included the full output here as I have hundreds of packages installed on my system, however this small snippet should give you an idea of what to expect. As you observe below I have provided the exact version and architecture of the rpm with yum command so that yum will not consider any other rpm to perform the downgrade. Find Where A Program Is Installed Linux Ubuntu. Using YUM-Utils. on a Linux VPS running Debian as an operating system or Debian-based Linux distributions like Ubuntu.In this tutorial, we will show you … If you have read my apt vs apt-get comparison article, you probably already know that both apt and apt-get basically use dpkg. In this case, you can use the dpkg command with -I or –info option. Linux is a multi-user operating system and more than one user can be logged into a system at the same time. Apt is a command-line interface that allows you to perform actions such as installing new software packages, removing unnecessary software packages, updating the existing software packages, searching for specific software packages etc. Yum – List All Installed Packages 3. The quickest way if you want to find only the local packages installed is to issue the following command to a DOS prompt: cver all -localonly Or even easier to remember and type: cver all -lo This avoids unnecessary querying. On Ubuntu, find application path – find where package is installed Ubuntu Linux. Check the installed bash rpm version # rpm -qa | grep bash bash-4.2.46-29.el7_4.x86_64 . It was introduced in Ubuntu 14.04 and combines the most commonly used commands from apt-get and apt-cache including an option to list installed packages. To list the installed packages on your Ubuntu system use the following command: This post explains how to find the path of a command in Linux. 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