Package Manager HowTos

Topic include Linux and Unix package management system including apt-get, yum, and other package manager. Example includes installing, upgrading, configuring, troubleshooting, and removing software packages on Linux and Unix like oses in a consistent manner ( rss feed ).

I am a new CentOS / RHEL / Red Hat / Fedora Linux server user. I need to provide tidy library support using php. How do I install php-tidy on RHEL or CentOS Linux for Apache server?

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I would like to see detailed information on the history of yum transactions such as updates, deleted packages, and other information. How do I see history of yum commands on CentOS / RHEL 6.x based server? How do I undo or redo or rollback packages using yum command?

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CentOS Linux v6.5 has been released and available via repos for immediate update. The new version includes several hundred bug fixes for, and enhancements to the Linux kernel. How do I upgrade from CentOS Linux version 6.0 / 6.1 / 6.2 / 6.3 or 6.4 to the latest version 6.5?

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How do I setup and manage a virtualized environment with Kernel based Virtual Machine (KVM) in CentOS or Red Hat Enterpise Linux version 6 server on IBM server? Can you provide step-by-step commands of how to install and manage Virtual Machines (VMs) on a physical server using KVM for RHEL/CentOS version 6.4?

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I need to tunnel X Window securely over SSH bases session so that I run X program on my remote Linux/Unix server/workstation and get back display to my Apple Macbook pro laptop. I tried the ssh -X user@server1ssh -Y user@server2 command on both OS X Mountain Lion and Apple OS X Mavericks. But, I am unable to use the ssh command with X11

How do I fix this problem on OS X and enable X11 forwarding with ssh command? How do I install XQuartz (X11.app) server on Apple OS X Mountain Lion or Mavericks?

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I am a new CentOS Linux user running my community site on production server. I want to update all packages except the Linux kernel on CentOS Linux. How can I prevent the yum command from updating the Linux kernel on CentOS/RHEL/Scientific/Fedora Linux server?

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I am using Ubuntu 12.04.2 LTS (“precise”). I am trying to upgrade all packages using kernel via apt-get upgrade method. But, I am getting the following message:

apt-get upgrade

Reading package lists… Done

Building dependency tree

Reading state information… Done

The following packages have been kept back:

linux-headers-virtual linux-image-virtual mysql-client-5.5 mysql-server-5.5

mysql-server-core-5.5


The following packages will be upgraded:

base-files dosfstools linux-libc-dev linux-libc-dev:i386

4 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.

Need to get 1,847 kB of archives.

After this operation, 2,048 B of additional disk space will be used.

Do you want to continue [Y/n]?



How do I fix this issue and install linux-headers-virtual linux-image-virtual packages which have been kept back in Ubuntu Linux LTS version 12.04.2?

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