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Dennis Tsang
2021-03-19 01:30:07 -07:00
parent 5bd87aa6a4
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package_management_101.rst
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@@ -26,8 +26,8 @@ same functionality:
RPM and yum (RedHat, CentOS, Fedora, Scientific Linux)
======================================================
In the following examples, we will be using the package ``dstat``. The
process however applies to any software you may want to install.
In the following examples, we will be using ``dstat`` as the package we will be
manipulating. The process however applies to any software you may want to install.
Yum provides a wrapper around RPM, which can be used to search for, and install
packages from multiple package repositories. It also resolves dependencies, so
@@ -170,13 +170,13 @@ There are two todos here.
dpkg and APT (Debian, Ubuntu)
=============================
In the following examples, we will be using the package ``dstat`` in our examples. The
process however applies to any software you may want to install.
In the following examples, we will be using ``dstat`` as the package we will be
manipulating. The process however applies to any software you may want to install.
apt provides a wrapper around dpkg, which can be used to search for, and install
packages from multiple package repositories.
APT provides a wrapper around ``dpkg``, which can be used to search for,
and install packages from multiple package repositories.
If your Linux distribution uses dpkg and apt, you can search for packages
If your Linux distribution uses ``dpkg`` and APT, you can search for packages
by running:
.. code-block:: console
@@ -184,6 +184,14 @@ by running:
bash-4.0$ apt-cache search dstat
dstat - versatile resource statistics tool
.. note::
In the following sections, we will be describing use of APT through the
traditional commands of ``apt-get`` and ``apt-cache``. However, modern systems
may ship with an additional command ``apt`` which (generally) combines the
functionality of both of the above commands. If your system supports ``apt``
by itself, it is recommended to use that, as it is a bit more user friendly.
Installing packages
-------------------
@@ -218,19 +226,32 @@ dpkg and APT both make it easy to upgrade existing packages, too.
Over time, new packages may be added to the apt repositories that are configured
on your system, or you may have a newer deb for an already installed package.
To upgrade using apt, when a newer package is available, simply ask apt to
install it again:
In order to retrieve the updated package lists, first run:
.. code-block:: console
bash-4.0# apt-get update
To upgrade a single package using apt, when a newer package is available, simply
ask apt to install it again:
.. code-block:: console
bash-4.0# apt-get install dstat
To upgrade all packages at once, run:
.. code-block:: console
bash-4.0# apt-get upgrade
To upgrade a package with an deb file, run:
.. code-block:: console
bash-4.0# dpkg -i dstat_0.7.2-3_all.deb
Uninstalling packages
---------------------