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CRUX 3.2 installation guide

Mon. Jun 06, 11:40AM, 1 year and 3 months ago

This guide assumes you have connection to the internet via ethernet, which is the easiest way of installing Crux on a computer or VM since you won’t need to mess around with WiFi.

First off, list the drives, for this tutorial I’m going to assume that /dev/sda is the hard-drive you wish to install onto, however you may have such drives named /dev/sdb too.

lsblk                                           #list drives

Now we need to check if you’re either installing on a system with BIOS or UEFI.

dmesg | grep 'EFI v'
        if stdout ~= [0.000000] EFI v2.00 by American Megatrends
            then boot = UEFI
        if stdout =
            then boot = BIOS

If dmesg returns nothing, then you’re on BIOS, if it shows something, then you’re on a UEFI system. :(

Onwards to formatting the harddrives, using the output of lsblk, select your harddrive device, i.e. /dev/sda, and use cfdisk on it as shown:

cfdisk /dev/sda
    gpt

Device       Boot    Start    End    Sectors    Size        Type
/dev/sda                                        500GiB
├─/dev/sda1           ...     ...      ...      40G         Linux
├─/dev/sda2           ...     ...      ...      451GiB      Linux
├─/dev/sda3           ...     ...      ...      5GiB        Linux
├─/dev/sda4           ...     ...      ...      4GiB        Linux swap
--- UEFI ONLY ---
└─/dev/sda5    *      ...     ...      ...      128MiB      FAT32

Make a partition of 1GiB minimum, with an ideal 40GiB for the root partition, /dev/sda1.
Make a partition for your home directory, /dev/sda2, however large you desire.
Make a partition of around 5GiB for var, /dev/sda3, and finally make a partition for the swap, my rule of thumb for swap size is ½ your RAM size, mine is 4GiB, so I’ll make a 2GiB partiton for /dev/sda4.

If you’re using a UEFI system, you must create a partition of no less than 128MiB, then set this partition to FAT32 using the Type option in the cfdisk UI, make the device bootable, so that it has an asterisk in the Boot column.
Yours should look vaguely similar to the above, once done, write. \

To to format the partitions in their specified filesystem types, run these commands on your respective partitions.

mkfs.ext4 /dev/sda1                             #format root (ext4)
mkfs.ext4 /dev/sda2                             #format home (ext4)
mkfs.ext4 /dev/sda3                             #format var (ext4)
mkswap /dev/sda4                                #make sda4 swap
swapon /dev/sda4                                #enable swap

Now we need to make the folders on the USB device/VM drive to mount the partitions onto:

mkdir /mnt/home                                 #make home folder
mkdir /mnt/var                                  #make var folder

Proceed to mount the partitions onto the aforementioned folders.

mount /dev/sda1 /mnt                            #mount /mnt => root
mount /dev/sda2 /mnt/home                       #mount home => sda2
mount /dev/sda3 /mnt/var                        #mount var => sda3

Time to setup the base installation.

setup
    Yes
    1 - Install Crux 3.2
                OK
    /mnt
                OK
(press space to add ‘*)
    [*] core                                    #mandatory
    [*] opt                                     #mandatory for UEFI
    [ ] xorg                                    #optional

If you’re on UEFI, the opt section must be selected, xorg is advised if you want a desktop interface later. Continue installation as follows:

                OK
    No
    Yes
                OK
setup-chroot

Sometimes setup-chroot fails, if so run these commands to manually do a chroot enviroment.

mount --bind /dev /mnt/dev
mount --bind /tmp /mnt/tmp
mount -t proc proc /mnt/proc
mount -t sysfs none /mnt/sys
chroot /mnt /bin/bash

In order to enable networking via ethernet, simply find your adapter with ip link, which is usually something like enp0s3, wlan0 is your wireless:

ip link                                     #gives adapters
dhcpcd -t 10 <"adapter name">                 #connect to internet w/ ethernet

Change the root password:

passwd                                      #change root password

Now it’s time to configure the kernel settings:

cd usr/src/linux*                           #go to kernel folder
make menuconfig                             #compile pre config
    <"make personal preferences to kernel"> #do what you want
YES
OK

make all && make modules_install            #compile linux kernel

This might take a while so come back in around 30 minutes.

Move the system image and map to /boot via:

cp arch/x84_64/boot/bzImage /boot/vmlinuz       #copy boot files /boot
cp System.map /boot                             #copy system.map /boot

For a BIOS boot, you’ll use lilo for the boot manager, to configure lilo, add the boot drive, in this case /dev/sda to the boot section of /etc/lilo.conf, and then add your root partition, /dev/sda1 to the root section of lilo.conf using a text editor such as vi or nano. I’m using nano for this.

nano /etc/lilo.conf                              #setup lilo bootloader
    boot=/dev/sda                                #append this to line 7
    image=/boot/vmlinuz                          #append this to line 8
    root=/dev/sda1                               #append this to line 11

And then add it to lilo by executing it.

lilo                                             #set /sda as bootable

For the UEFI systems, you have to configure GRUB, to do this do:

grub install /boot/efi
grub-mkconfig -o /boot/grub/grub.cfgz

In order for CRUX to know which drives are which, we must edit /etc/fstab, and label each drive to its corresponding directory:

nano /etc/fstab                               #edit fstab config
    /dev/sda1  /      ext4  defaults  ...     #don’t forget to rm ‘#’
    /dev/sda2  /home  ext4  defaults  ...     #make sure sda* is correct
    /dev/sda3  /var   ext4  defaults  0  0    #this line must be added
    /dev/sda4  swap   swap  defaults  ...     # ^ before the /dev/sda*

Ensure the hashes before each line is removed.

The following steps aren’t mandatory, you can reboot right now, but they are useful edits to make the system easier to use. First find your keymap and timezone by going into the following directories, and noting down the file that meets your keymap / timezone.

    For keymaps;
        cd /usr/share/kbd/keymaps/i386/qwerty/
        ls
    For timezones;
        cd /usr/share/zoneinfo
        ls

Using these two filenames, add them to your rc.conf, you can also edit the hostname of your device by doing:

nano /etc/rc.conf                                      #edit config file
    KEYMAP = en_GB                                     #your keymap
    TIMEZONE = GMT                                     #your timezone
    HOSTNAME= "whatever you like"
    SERVICES= (lo net crond dbus)

Almost there, find your locale and configure it by doing:

cd /usr/share/i18n/locales
ls | grep "country initials e.g gb"                     #find locale
localedef -i "en_GB" -f ISO-8859-1 "en_GB"              #replace ‘en_GB’ with
localedef -i "en_GB" -f ISO-8859-1 "en_GB".ISO-8859-1   # ^ your ls | grep *
localedef -i "en_GB" -f UTF-8 "en_GB".UTF-8

Finally, reboot.

reboot

Remove installation media before rebooting
First login will be; root - the root password you configured
For next steps refer to https://goo.gl/zst8nw, which explains how to configure sound, WiFi, set up a non-root user, and use the ports system to install packages.

Additional networking help can be found @

Resources gathered from:

For troubleshooting advice consult:

Or e-mail me here.

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