#+title: Lab5 Solution
#+title: Amirlan Sharipov (BS21-CS-01)
#+author: Amirlan Sharipov (BS21-CS-01)
#+PROPERTY: header-args :results verbatim :exports both
#+OPTIONS: ^:nil

* Question 1
#+begin_src bash
echo "Username: $(whoami)"
echo "Home Directory: $HOME"
echo "Shell: $SHELL"
echo "Hostname: $(hostname)"
ipaddress="$(ip addr | grep -A5 "enp2s0f1:" | grep "inet .*" | awk '{print $2}')"
echo "IP address: $ipaddress"
#+end_src

#+RESULTS:
: Username: rinri
: Home Directory: /home/rinri
: Shell: /bin/zsh
: Hostname: akemi
: IP address: 10.244.1.78/24

* Question 2
#+begin_src bash
HOME=lab5-solution.org # THIS IS DONE TO NOT MAKE HOME BACKUP WHEN EXPORTING
sudo mkdir -p /var/backups
FNAME="$(date '+/var/backups/home_backup_%b_%d_%Y_%H_%M_%S.tar.gz')"
sudo tar caf $FNAME $HOME
#+end_src

#+RESULTS:

* Question 3
#+begin_src bash
uname -svm

w

CUR_USERS="$(who | awk '{print $1}' | sort | uniq)"

if [ -d "/sys/firmware/efi" ]; then
    echo "EFI"
else
    echo "No EFI"
fi

lsblk -o "+PTTYPE" | sed 's/^\([A-Za-z]*\) \(.*\)gpt/\1*\2gpt/'

efibootmgr | grep "Boot$(efibootmgr | grep "BootOrder" | awk '{print substr($2, 0, 4);}')"
#+end_src

#+RESULTS:
#+begin_example
Linux #1 SMP PREEMPT_DYNAMIC Tue, 14 Feb 2023 22:08:08 +0000 x86_64
 23:43:06 up  9:31,  2 users,  load average: 0.94, 1.05, 0.96
USER     TTY        LOGIN@   IDLE   JCPU   PCPU WHAT
rinri    tty1      14:11    9:31m  7:29   0.00s xinit /home/rinri/.xinitrc -- /etc/X11/xinit/xserverrc :0 vt1 -keeptty -auth /tmp/serverauth.unEBAJdBrv
root     tty2      14:46    8:56m  0.00s  0.00s -bash
EFI
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS PTTYPE
sda*     8:0    0 931.5G  0 disk             gpt
├─sda1   8:1    0   499M  0 part             gpt
├─sda2   8:2    0   100M  0 part             gpt
├─sda3   8:3    0    16M  0 part             gpt
├─sda4   8:4    0  42.4G  0 part             gpt
├─sda5   8:5    0  38.8G  0 part             gpt
├─sda6   8:6    0   100M  0 part             gpt
├─sda7   8:7    0   3.1G  0 part             gpt
├─sda8   8:8    0   315G  0 part /mnt/rec    gpt
└─sda9   8:9    0 531.5G  0 part /mnt/data   gpt
sdb*     8:16   0 465.8G  0 disk             gpt
├─sdb1   8:17   0    16M  0 part             gpt
├─sdb2   8:18   0   250G  0 part             gpt
├─sdb3   8:19   0  64.7G  0 part /           gpt
├─sdb4   8:20   0  97.2G  0 part /home       gpt
├─sdb5   8:21   0     8G  0 part [SWAP]      gpt
├─sdb6   8:22   0   781M  0 part /boot       gpt
├─sdb7   8:23   0    44G  0 part             gpt
└─sdb8   8:24   0     1G  0 part             gpt
Boot0003* Arch BTW	HD(7,GPT,1d75b784-ef17-3c4d-9e74-0b058e17bf83,0x3a1ff800,0x18680f)/File(\vmlinuz-linux)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
#+end_example