Get Familiar with Yum

This post records some useful operations regarding repo and package management of the redhat, centos, and enterprise linux like system.

1. List all the available repositories

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   yum repolist Loaded plugins: priorities, update-motd, upgrade-helper amzn-updates/latest/primary_db | 675 kB 00:00 repo id repo name status !amzn-main/latest amzn-main-Base 5541 !amzn-updates/latest amzn-updates-Base 845 !mesosphere/x86_64 Mesosphere Packages for EL 6 - x86_64 76 !mesosphere-noarch Mesosphere Packages for EL 6 - noarch 5 repolist: 6467

2. List available packages from selected repository

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   yum --disablerepo="*" --enablerepo="mesosphere-noarch" list available Loaded plugins: priorities, update-motd, upgrade-helper Available Packages mesosphere.noarch 0.1.0-0.el6 mesosphere-noarch

3. Search package by name

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   yum list mesos Installed Packages mesos.x86_64 0.28.2-2.0.27.centos65 @mesosphere

4. Search package when you don’t know the exact name

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   yum provides ntp ntp-4.2.6p5-36.29.amzn1.x86_64 : The NTP daemon and utilities Repo : amzn-main ntp-4.2.6p5-40.30.amzn1.x86_64 : The NTP daemon and utilities Repo : amzn-updates ntp-4.2.6p5-40.30.amzn1.x86_64 : The NTP daemon and utilities Repo : @amzn-updates

5. Display package info

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   yum info mesos Loaded plugins: priorities, update-motd, upgrade-helper Installed Packages Name : mesos Arch : x86_64 Version : 0.28.2 Release : 2.0.27.centos65 Size : 88 M Repo : installed From repo : mesosphere Summary : Cluster resource manager with efficient resource isolation URL : https://mesos.apache.org/ License : Apache-2.0 Description : Cluster resource manager with efficient resource isolation : Apache Mesos is a cluster manager that offers efficient resource isolation : and sharing across distributed applications, or frameworks. It can run : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive : and iterative jobs), and other applications.

6. List Files Contained in a Package

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   repoquery --list marathon /etc/init/marathon.conf /usr/bin/marathon

7. Remove yum repository and yum package

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   # repo rpm -qf /etc/yum.repos.d/REPONAME.repo # package yum remove PACKAGENAME

8. Clean yum cache

   1	yum clean all

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