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+---
+title: Configuring Parabola (Post-Install)
+x-toc-enable: true
+...
+
+This is the guide for setting up Parabola GNU+Linux-Libre, after completing
+the installation steps outlined in [Installing Parabola or Arch GNU+Linux-Libre with Full-Disk Encryption (including /boot)](encrypted_parabola.md).
+It will cover installing and configuring a graphical desktop environment,
+as well as some applications that make the system more user friendly.
+
+For this example, we chose the *MATE Desktop Environment* as our graphical interface.
+
+*This guide was valid on 2017-06-02. If you see any changes that should
+to be made at the present date, please get in touch with the Libreboot
+project (or [make those changes yourself](https://libreboot.org/git.html#editing-the-website-and-documentation-wiki-style))!*
+
+While Parabola can seem daunting at first glance (especially for new GNU+Linux users),
+with a simple guide, it can provide all the same usability
+as any Debian-based GNU+Linux distribution (e.g., Trisquel, Debian, and Devuan),
+without hiding any details from the user.
+
+Paradoxically, as you get more advanced, Parabola can actually become
+*easier to use*, when you want to set up your system in a special way,
+compared to what most distributions provide. You will find over time
+that other distributions tend to *get in your way*.
+
+A lot of the steps in this guide will refer to ArchWiki. Arch is
+the upstream distribution that Parabola uses. Most of this guide will
+also tell you to read wiki articles, other pages, manuals, and so on. In
+general, it tries to cherry-pick the most useful information, but
+nonetheless, you are encouraged to learn as much as possible.
+
+**NOTE: It might take you a few days to fully install your system how you like,
+depending on how much you need to read. Patience is key, especially for new users.**
+
+The ArchWiki will sometimes use bad language, such as calling the whole
+system Linux, using the term **open-source**/**closed-source**,
+and it will sometimes recommend the use of proprietary software.
+You need to be careful about this when reading anything on ArchWiki.
+
+Some of these steps require internet access. To get initial access
+for setting up the system (I'll go into networking later),
+just connect your system to a router, via an ethernet cable,
+and run the following command:
+
+ # systemctl start dhcpcd.service
+
+You can stop it later (if needed), by using systemd's `stop` option:
+
+ # systemctl stop dhcpcd.service
+
+For most people, this should be enough, but if you don't have DHCP enabled
+on your network, then you should setup your network connection first:
+[Set Up Network Connection in Parabola](#network).
+
+## Configure pacman
+`pacman` (*pac*kage *man*ager) is the name of the package management system
+in Arch, which Parabola (as a deblobbed, parallel effort) also uses.
+Like with `apt-get` on Trisquel, Debian, or Devuan, this can be used to
+add, remove, and update the software on your computer.
+
+For more information related to `pacman`, review the following articles on the Arch Wiki:
+
+* [Configuring pacman](https://wiki.parabolagnulinux.org/Installation_Guide#Configure_pacman)
+* [Using pacman](https://wiki.archlinux.org/index.php/Pacman)
+* [Additional Repositories](https://wiki.parabolagnulinux.org/Official_Repositories)
+
+## Updating Parabola
+Parabola is kept up-to-date, using `pacman`. When you are updating Parabola,
+make sure to refresh the package list, *before* installing any new updates:
+
+ # pacman -Syy
+
+**NOTE: According to the Wiki,** `-Syy` **is better than** `-Sy` **, because it refreshes
+the package list (even if it appears to be up-to-date), which can be useful
+when switching to another mirror.**
+
+Then, actually update the system:
+
+ # pacman -Syu
+
+**NOTE: Before installing packages with** `pacman -S`**, always update first,
+using the two commands above.**
+
+Keep an eye out on the output, or read it in **/var/log/pacman.log**.
+Sometimes, `pacman` will show messages about maintenance steps that you
+will need to perform with certain files (typically configurations) after
+the update. Also, you should check both the [Parabola home page](https://www.parabola.nu/) and [Arch home page](https://www.archlinux.org/),
+to see if they mention any issues. If a new kernel is installed, you should also
+update to be able to use it (the currently running kernel will also be fine).
+
+It's generally good enough to update Parabola once every week, or maybe twice.
+As a rolling release distribution, it's a never a good idea to leave your installation
+too outdated. This is simply because of the way the project works;
+old packages are deleted from the repositories quickly, once they are updated.
+A system that hasn't been updated for quite a while will mean potentially more
+reading of previous posts through the website, and more maintenance work.
+
+The Arch forum can also be useful, if others have the same issue as you.
+The *Parabola* IRC channel ([**\#parabola**](https://webchat.freenode.net/) on freenode) can also help you.
+
+Due to this, and the volatile nature of Parabola/Arch, you should only
+update when you have at least a couple hours of spare time, in case of
+issues that need to be resolved. You should never update, for example,
+if you need your system for an important event, like a presentation, or
+sending an email to an important person before an allocated deadline,
+and so on.
+
+Relax! Packages are well-tested, when new updates are made to
+the repositories; separate 'testing' repositories exist for this exact
+reason. Despite what many people may tell you, Parabola is fairly
+stable and trouble-free, so long as you are aware of how to check for
+issues, and are willing to spend some time fixing issues, in the rare
+event that they do occur (this is why Arch/Parabola provide such extensive documenatation).
+
+## Maintaining Parabola
+Parabola is a very simple distro, in the sense that you are in full
+control, and everything is made transparent to you. One consequence is
+that you also need to know what you are doing, and what you have done
+before. In general, keeping notes (such as what I have done with this
+page) can be very useful as a reference in the future (e.g, if you wanted to
+re-install it, or install the distro on another computer).
+
+You should also read the ArchWiki article on [System Maintenance](https://wiki.archlinux.org/index.php/System_maintenance),
+before continuing. Also, read their article on [enhancing system stability](https://wiki.archlinux.org/index.php/Enhance_system_stability).
+This is important, so make sure to read them both!*
+
+Install `smartmontools`; it can be used to check smart data. HDDs use
+non-free firmware inside; it's transparent to you, but the smart
+data comes from it. Therefore, don't rely on it too much), and then read
+the ArchWiki [article](https://wiki.archlinux.org/index.php/S.M.A.R.T.) on it, to learn how to use it:
+
+ # pacman -S smartmontools
+
+### Cleaning the Package Cache
+*This section provides a brief overview of how to manage the directory that stores
+a cache of all downloaded packages. For more information,
+check out the Arch Wiki guide for [Cleaning the Package Cache](https://wiki.archlinux.org/index.php/Pacman#Cleaning_the_package_cache).*
+
+Here's how to use `pacman`, to clean out all old packages that are cached:
+
+ # pacman -Sc
+
+The Wiki cautions that this should be used with care. For example, since
+older packages are deleted from the repository, if you encounter issues
+and want to revert back to an older package, then it's useful to have the
+caches available. Only do this ,if you are sure that you won't need it.
+
+The Wiki also mentions this method for removing everything from the
+cache, including currently installed packages that are cached:
+
+ # pacman -Scc
+
+This is inadvisable, since it means re-downloading the package again, if
+you wanted to quickly re-install it. This should only be used when disk
+space is at a premium.
+
+### pacman Command Equivalents
+If you are coming from another GNU+Linux distribution, you probably want to know
+the command equivalents for the various `apt-get`-related commands that you often use.
+For that information, refer to [Pacman/Rosetta](https://wiki.archlinux.org/index.php/Pacman/Rosetta),
+so named, because it serves as a Rosetta Stone to the esoteric pacman language.
+
+## your-freedom
+`your-freedom` is a package specific to Parabola, and it is installed by
+default. What it does is conflict with packages from Arch that are known
+to be non-free (proprietary) software. When migrating from Arch (there
+is a guide on the Parabola wiki for migrating (i.e,. converting) an existing
+Arch system to a Parabola system), installing it will also
+fail, if these packages are installed, citing them as conflicts; the
+recommended solution is then to delete the offending packages, and
+continue installing `your-freedom`.
+
+## Add a User
+This is based on the Arch Wiki guide to [Users and Groups](https://wiki.archlinux.org/index.php/Users_and_Groups).
+
+It is important (for security reasons) to create and use a non-root
+(non-admin) user account for everyday use. The default **root** account
+is intended only for critical administrative work, since it has complete
+access to the entire operating system.
+
+Read the entire document linked to above, and then continue.
+
+Add your user with the `useradd` command (self explanatory):
+
+ # useradd -m -G wheel -s /bin/bash *your_user_name*
+
+Set a password, using `passwd`:
+
+ # passwd *your_user_name*
+
+Like with the installation of Parabola, use of the [*diceware method*](http://world.std.com/~reinhold/diceware.html) is recommended,
+for generating secure passphrases.
+
+### Configure sudo
+Now that we have a normal user account, we'll want to configure `sudo`,
+so that user is able to run commands as **root** (e.g., installing software);
+this will be necessary to flash the ROM later on. Refer to ArchWiki's [sudo](https://wiki.archlinux.org/index.php/Sudo) documentation.
+
+The first step is to install the `sudo` package:
+
+ # pacman -S sudo
+
+After installation, we must configure it. To do so, we must modify **/etc/sudoers**.
+This file must *always* be modified with the `visudo` command. `visudo` can be
+difficult for beginners to use, so we'll want to edit the file with `nano`,
+but the trick is that we just can't do this:
+
+ # nano /etc/sudoers
+
+Because, this will cause us to edit the file directly, which is not the way
+it was designed to be edited, and could lead to problems with the system.
+Instead, to temporarily allow us to use `nano` to edit the file,
+we need to type this into the terminal:
+
+ # EDITOR=nano visudo
+
+This will open the **/etc/sudoers** file in `nano`, and we can now safely make changes to it.
+
+To give the user we created earlier to ability to use `sudo`, we need to navigate
+to the end of the file, and add this line on the end:
+
+ your_username ALL=(ALL) ALL
+
+Obviously, type in the name of the user you created, instead of **your_username**.
+Save the file, and exit `nano`; your user now has the ability to use `sudo`.
+
+## systemd
+`systemd` is the name of the program for managing services in Parabola;
+It is a good idea to become familiar with it. Read the Arch Wiki article on [systemd](https://wiki.archlinux.org/index.php/systemd),
+as well as their [Basic systemctl usage](https://wiki.archlinux.org/index.php/systemd#Basic_systemctl_usage) article,
+to gain a full understanding. *This is very important! Make sure to read them.*
+
+An example of a **service** could be a VPN (allowing you to connect to an outside network),
+an applet in the system tray that tells you the weather for your city,
+a sound manager (to make sure you can hear sound through speakers or headphones),
+or DHCP (which allows you to get an IP address, to connect to the internet).
+These are just a few examples; there are countless others.
+
+`systemd` is a controversial init system; A [forum post](https://bbs.archlinux.org/viewtopic.php?pid=1149530#p1149530)
+has an explanation behind the Arch development team's decision to use it.
+
+The **manpage** should also help:
+
+ # man systemd
+
+The section on **unit types** is especially useful.
+
+According to the wiki, `systemd's` journal keeps logs of a size up to 10% of the
+total size that your root partition takes up. On a 60GB root, this would mean 6GB.
+That's not exactly practical, and can have performance implications later,
+when the log gets too big. Based on instructions from the wiki,
+I will reduce the total size of the journal to 50MiB (that's what the wiki recommends).
+
+Open **/etc/systemd/journald.conf**, and find this line:
+
+ #SystemMaxUse=
+
+Change it to this:
+
+ SystemMaxUse=50M
+
+Restart `journald`:
+
+ # systemctl restart systemd-journald
+
+The wiki recommends that if the journal gets too large, you can also
+simply delete (`rm -Rf`) everything inside **/var/log/journald**, but
+recommends backing it up. This shouldn't be necessary, since you
+already set the size limit above, and `systemd` will automatically start
+to delete older records, when the journal size reaches it's limit (according to systemd developers).
+
+Finally, the wiki mentions **temporary files**, and the utility for
+managing them.
+
+ # man systemd-tmpfiles
+
+To delete the temporary files, you can use the `clean` option:
+
+ # systemd-tmpfiles --clean
+
+According to the **manpage**, this *"cleans all files and directories with
+an age parameter"*. According to ArchWiki, this reads information
+in **/etc/tmpfiles.d** and **/usr/lib/tmpfiles.d**, to know what actions to perform.
+Therefore, it is a good idea to read what's stored in these locations, to get a better understanding.
+
+I looked in **/etc/tmpfiles.d/** and found that it was empty on my system.
+However, **/usr/lib/tmpfiles.d** contained some files. The first one was
+**etc.conf**, containing information and a reference to this **manpage**:
+
+ # man tmpfiles.d
+
+Read that **manpage**, and then continue studying all the files.
+
+The `systemd` developers tell me that it isn't usually necessary
+to manually touch the `systemd-tmpfiles utility`, at all.
+
+## Interesting Repositories
+In their [kernels](https://wiki.parabolagnulinux.org/Repositories#kernels) article,
+the Parabola wiki mentions a repository called `\[kernels\]`, for custom kernels
+that aren't in the default **base**. It might be worth looking into what is available there,
+depending on your use case.
+
+I enabled it on my system, to see what was in it. Edit **/etc/pacman.conf**,
+and below the **extra** section add:
+
+ [kernels]
+ Include = /etc/pacman.d/mirrorlist*
+
+Now, sync with the newly-added repository:
+
+ # pacman -Syy
+
+Lastly, list all available packages in this repository:
+
+ # pacman -Sl kernels
+
+In the end, I decided not to install anything from it,
+but I kept the repository enabled regardless.
+
+## Setup a Network Connection in Parabola
+Read the ArchWiki guide to [Configuring the Network](https://wiki.archlinux.org/index.php/Configuring_Network).
+
+### Set the Hostname
+This should be the same as the hostname that you set in **/etc/hostname**,
+when installing Parabola. You should also do it with `systemd`.
+If you chose the hostname *parabola*, do it this way:
+
+ # hostnamectl set-hostname parabola
+
+This writes the specified hostname to **/etc/hostname**.
+More information can be found in these **manpages**:
+
+ # man hostname
+ # info hostname
+ # man hostnamectl
+
+Check **/etc/hosts**, to make sure that the hostname that you put in there
+during installation is still on each line:
+
+ 127.0.0.1 localhost.localdomain localhost parabola
+ ::1 localhost.localdomain localhost parabola
+
+You'll note that I set both lines; the second line is for IPv6. Since more and
+more ISPs are providing this now, it's good to be have it enabled, just in case.
+
+The `hostname` utility is part of the `inetutils` package, and is in the **core** repository,
+installed by default (as part of the **base** package).
+
+### Network Status
+According to ArchWiki, [udev](https://wiki.archlinux.org/index.php/Udev) should already detect
+the ethernet chipset, and automatically load the driver for it at boot time.
+You can check this in the **Ethernet controller** section, when running the `lspci` command:
+
+ # lspci -v
+
+Look at the remaining sections **Kernel driver in use** and **Kernel modules**.
+In my case, it was as follows:
+
+ Kernel driver in use: e1000e
+ Kernel modules: e1000e
+
+Check that the driver was loaded, by issuing `dmesg | grep module_name`.
+In my case, I did:
+
+ # dmesg | grep e1000e
+
+### Network Device Names
+According to the ArchWiki guide on [Configuring Network Device Names](https://wiki.archlinux.org/index.php/Configuring_Network#Device_names),
+it is important to note that the old interface names that you might be used to
+(e.g., `eth0`, `wlan0`, `wwan0`, etc.), if you come from a distribution like Debian or Trisquel,
+are no longer applicable. Instead, `systemd` creates device names
+starting with `en` (for ethernet), `wl` (for wi-fi), and `ww` (for wwan),
+with a fixed identifier that it automatically generates.
+An example device name for your ethernet chipset would be `enp0s25`,
+and is never supposed to change.
+
+If you want to enable the old names, ArchWiki recommends adding `net.ifnames=0`
+to your kernel parameters (in Libreboot context, this would be accomplished by following
+the instructions in [How to replace the default GRUB configuration file](grub_cbfs.md)).
+
+For background information, read [Predictable Network Interface Names](http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/).
+
+To show what the device names are for your system, run the following command:
+
+ # ls /sys/class/net
+
+[Changing the device names](https://wiki.archlinux.org/index.php/Configuring_Network#Change_device_name) is possible,
+but for the purposes of this guide, there is no reason to do it.
+
+### Network Setup
+Aside from the steps mentioned above, I choose to ignore most of Networking section on the wiki;
+this is because I will be installing the *MATE Desktop Environment*, and thus will
+be using the `NetworkManger` client (with its accompanying applet) to manage the network.
+
+If you wish to choose a different program, here are some other
+[network manager options](https://wiki.archlinux.org/index.php/List_of_applications/Internet#Network_managers)
+that you could use.
+
+## Configuring the Graphical Desktop Environment
+Since we are going with the *MATE Desktop Environment*, we will primarily be following
+the instructions on the [Arch Linux Package Repository](https://wiki.mate-desktop.org/archlinux_custom_repo) page,
+but will also refer to the [General Recommendations](https://wiki.archlinux.org/index.php/General_recommendations#Graphical_user_interface)
+on ArchWiki.
+
+### Installing Xorg
+The first step is to install [**Xorg**](https://wiki.archlinux.org/index.php/Xorg);
+this provides an implementation of the `X Window System`, which is used to provide
+a graphical intefrace in GNU+Linux:
+
+ # pacman -S xorg-server
+
+We also need to install the driver for our hardware. Since I am using a Thinkpad X200,
+I will use `xf86-video-intel`; it should be the same on the other Thinkpads,
+as well as the Macbook 1,1 and 2,1.
+
+ # pacman -S xf86-video-intel
+
+For other systems, you can try:
+
+ # pacman -Ss xf86-video- | less
+
+When this is combined with looking at your `lspci` output, you can determine which
+driver is needed. By default, `Xorg` will revert to `xf86-video-vesa`,
+which is a generic driver, and doesn't provide true hardware acceleration.
+
+Other drivers (not just video) can be found by looking at the `xorg-drivers` group:
+
+ # pacman -Sg xorg-drivers
+
+### Xorg Keyboard Layout
+`xorg` uses a different configuration method for keyboard layouts than Parabola,
+so you will notice that the layout you set in **/etc/vconsole.conf** earlier might
+not actually be the same in `xorg`.
+
+Check ArchWiki's article on [Xorg's keyboard configuration](https://wiki.archlinux.org/index.php/Keyboard_configuration_in_Xorg), for more information.
+
+To see what layout you currently use, try this on a terminal emulator in `xorg`:
+
+ # setxkbmap -print -verbose 10
+
+I'm simply using the default Qwerty (US) keyboard, so there isn't anything I need
+to change here; if you do need to make any changes, ArchWiki recommends two ways
+of doing it: manually updating [configuration files](https://wiki.archlinux.org/index.php/Keyboard_configuration_in_Xorg#Using_X_configuration_files) or using the [localectl](https://wiki.archlinux.org/index.php/Keyboard_configuration_in_Xorg#Using_localectl) command.
+
+### Installing MATE
+Now we have to install the desktop environment itself. According to the Arch Linux Package Repository,
+if we want all of the MATE Desktop, we need to install two packages:
+
+ # pacman -Syy mate mate-extra
+
+The last step is to install a Display Manager; for MATE, we will be using `lightdm`
+(it's the recommended Display Manager for the MATE Desktop); for this, we'll folow the instructions [on the MATE wiki](https://wiki.mate-desktop.org/archlinux_custom_repo#display_manager_recommended),
+with one small change: the `lightdm-gtk3-greeter` package doesn't exist in Parabola's repositories.
+So, instead we will install the `lightdm-gtk-greeter` package; it performs the same function.
+
+We'll also need the `accountsservice` package, which gives us the login window itself:
+
+ # pacman -Syy lightdm-gtk3-greeter accountsservice
+
+After installing all the required packages, we need to make it so that the MATE Desktop Environment
+will start automatically, whenever we boot our computer; to do this, we have to enable the display manager, `lightdm`,
+as well as the service that will prompt us with a login window, `accounts-daemon`:
+
+ # systemctl enable lightdm
+ # systemctl enable accounts-daemon
+
+Now you have installed the *MATE Desktop Environment*,If you wanted
+to install another desktop environment, check out some [other options](https://wiki.archlinux.org/index.php/Desktop_environment) on ArchWiki.
+
+### Configuring Network Manager in MATE
+Now that we have installed the Mate Desktop environment, and booted into it,
+we need to set up the network configuration in our graphical environment.
+
+The MATE Desktop wiki recommends that we use Network Manager; an
+article about Network Manager can be found
+[on ArchWiki](https://wiki.archlinux.org/index.php/NetworkManager).
+
+We need to install the NetworkManager package:
+
+ # pacman -S networkmanager
+
+We will also need the Network Manager applet, which will allow us to manage our
+networks from the system tray:
+
+ # pacman -S network-manager-applet
+
+Finally, we need to start the service (if we want to use it now), or enable it,
+(so that it will activate automatically, at startup).
+
+ # systemctl enable NetworkManager.service
+
+If you need VPN support, you will also want to install the `networkmanager-openvpn` package.
+
+**NOTE: You do not want multiple networking services running at the same time;
+they will conflict, so, if using Network Manager, you want to stop/disable any
+others from running. Examples of other services that will probably intefere
+with Network Manager are** `dhcpcd` **and** `wifi-menu`**.**
+
+You can see all currently-running services with this command:
+
+ # systemctl --type=service
+
+And you can stop them using this command:
+
+ # systemctl stop service_name.service
+
+If you want to disable those services, meaning that you no longer want them to start
+when the computer boots up, you will need to use `systemctl's` `disable` option,
+instead of `stop`.
+
+Now you have a fully-functional graphical environment for your Parabola installation,
+including networking. All you have to do is reboot, and you will be prompted to log in,
+with a familiar graphical login prompt. You can also now, more easily [modify the GRUB configuration](grub_cbfs.md),
+install new applications, and/or make whatever other changes you want to your system.
+
+Copyright © 2014, 2015 Leah Rowe <info@minifree.org>
+
+Copyright © 2017 Elijah Smith <esmith1412@posteo.net>
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License Version 1.3 or any later
+version published by the Free Software Foundation
+with no Invariant Sections, no Front Cover Texts, and no Back Cover Texts.
+A copy of this license is found in [../fdl-1.3.md](../fdl-1.3.md)
+