centos 7 yum list installed

How to check installed packages in CentOS

1. Open the terminal app.
2. For remote server log in using the ssh command: ssh user@centos-linux-server-IP-here.
3. Show information about all installed packages on CentOS, run: sudo yum list installed.
4. To count all installed packages run: sudo yum list installed | wc -l.

1. How do I find my yum repo list?
2. How do you list all installed packages in Linux?
3. Where is yum history stored?
4. How do I see what programs are installed on Linux?
5. How do I know if yum package is installed?
6. How do I know if yum repo is enabled?
7. How do I install a package in Linux?
8. How do I find apt repository?
9. Where are apt-get packages installed?
10. How do I undo Yum history?
11. What does yum check do?
12. What is yum history?

How do I find my yum repo list?

You need to pass the repolist option to the yum command. This option will show you a list of configured repositories under RHEL / Fedora / SL / CentOS Linux. The default is to list all enabled repositories. Pass -v (verbose mode) optionn for more information is listed.

How do you list all installed packages in Linux?

Open the terminal application or log in to the remote server using ssh (e.g. ssh user@sever-name ) Run command apt list --installed to list all installed packages on Ubuntu. To display a list of packages satisfying certain criteria such as show matching apache2 packages, run apt list apache.

Where is yum history stored?

To database are normally found in /var/lib/yum/history/ directory. The history option was added at the the end of 2009 (or thereabouts) to yum command. The history command allows an admin to access detailed information on the history of yum transactions that have been run on a system.

How do I see what programs are installed on 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.

How do I know if yum package is installed?

How to check installed packages in CentOS

1. Open the terminal app.
2. For remote server log in using the ssh command: ssh user@centos-linux-server-IP-here.
3. Show information about all installed packages on CentOS, run: sudo yum list installed.
4. To count all installed packages run: sudo yum list installed | wc -l.

How do I know if yum repo is enabled?

Run command yum repolist and it will show you all repositories configured under YUM and enabled for use on that server. To view, disabled repositories or all repositories refer below section in this article. In the above output, you can see the repo list with repo id, repo name, and status.

How do I install a package in Linux?

To install a new package, complete the following steps:

1. Run the dpkg command to ensure that the package is not already installed on the system: ...
2. If the package is installed already, ensure it is the version you need. ...
3. Run apt-get update then install the package and upgrade:

How do I find apt repository?

To find out the package name and with it description before installing, use the 'search' flag. Using “search” with apt-cache will display a list of matched packages with short description. Let's say you would like to find out description of package 'vsftpd', then command would be.

Where are apt-get packages installed?

The answer to your question is that it is stored in the file /var/lib/dpkg/status (at least by default). However, if you have mounted the old system, then it may be possible to run dpkg --get-selections on it directly, using the --root switch.

How do I undo Yum history?

To undo a yum install, take note of the transaction ID, and perform the required action. In this example, we want to undo the install with ID 63, which will erase the package that was installed in the specified transaction, as follows (enter y/yes when asked).

What does yum check do?

YUM (Yellowdog Updater Modified) is an open source command-line as well as graphical based package management tool for RPM (RedHat Package Manager) based Linux systems. It allows users and system administrator to easily install, update, remove or search software packages on a systems.

What is yum history?

The yum history command allows users to review information about a timeline of Yum transactions, the dates and times they occurred, the number of packages affected, whether transactions succeeded or were aborted, and if the RPM database was changed between transactions.