RHCSA jan21 day4

exam 1:
ln -s /etc/hosts /tmp/myhosts

vi /etc/login.defs
touch /etc/skel/myfile
find / -size +100M >/tmp/bigfiles

mkdir /myvol
fdisk /dev/sdc
vgcreate vg500 /dev/sdc7
lvcreate -n lv500 -l100%FREE vg500
mkfs.ext3 /dev/vg500/lv500
tune2fs -L myvolume /dev/vg500/lv500
vi /etc/fstab
LABEL=myvolume  /myvol  ext3  defaults 0 0
mount -a

exam 2:
yum provides */seinfo
yum install setools-console

useradd anna
passwd anna
groupadd profs
usermod -aG profs anna
mkdir -p /data/profs
chgrp profs /data/profs
chmod 770 /data/profs
chown anna /data/profs
chmod +t /data/profs

crontab -e
crontab -l
0 * * * * logger "one more hour"

loginctl enable-linger anna
ssh anna@localhost
podman pull nginx
podman run -dt -p 8080:80 -name mynginx nginx
mkdir -p .config/systemd/user
cd .config/systemd/user
podman generate systemd --name mynginx --files
systemctl --user daemon-reload
systemctl --user enable container-mynginx.service
[student@day4 ~]$ history
    1  sudo -i
    2  podman run -d nginx
    3  podman ps
    4  podman login
    5  podman run ubi:latest
    6  podman run registry.access.redhat.com/ubi8/ubi:latest
    7  podman ps
    8  podman -a
    9  podman ps -a
   10  podman run -it registry.access.redhat.com/ubi8/ubi:latest sh
   11  docker ps
   12  sudo yum install -y git
   13  git clone https://github.com/sandervanvugt/luth
   14  luth/countdown 12
   15  sudo vim /etc/containers/registries.conf
   16  podman info
   17  podman search ubi
   18  podman search --notrunc ubi
   19  podman search --no-trunc ubi
   20  podman images
   21  podman inspect registry.access.redhat.com/ubi8/ubi
   22  podman run -d -p 8000:80 nginx
   23  curl localhost:8000
   24  podman port -a
   25  podman ps
   26  sudo firewall-cmd --add-port=8000/tcp
   27  sudo firewall-cmd --add-port=8000/tcp --permanent
   28  podman run -d mariadb
   29  docker ps
   30  docker ps -a
   31  podman logs exciting_booth
   32  podman inspect mariadb
   33  podman run -d --name mydb -e MYSQL_ROOT_PASSWORD=password -p 3306:3306 mariadb
   34  podman ps
   35  history
   36  #history -d 33
   37  podman exec sharp_hawking uname -r
   38  podman exec -it sharp_hawking bash
   39  sudo podman ps
   40  ip a
   41  sudo podman ps -a
   42  sudo podman ps -o wide
   43  sudo podman exec elegant_kirch ip a
   44  sudo podman inspect elegant_kirch
   45  exit
   46  history
   47  sudo mkdir /opt/dbfiles
   48  ls -ldZ /opt/dbfiles
   49  podman run -d --name mydbase -v /opt/dbfiles:/var/lib/mysql:Z -e MYSQL_USER=bob -e MYSQL_PASSWORD=password -e MYSQL_DATABASE=books -e MYSQL_ROOT_PASSWORD=password registry.redhat.io/rhel8/mariadb-103
   50  podman login
   51  podman login registry.redhat.io
   52  podman run -d --name mydbase -v /opt/dbfiles:/var/lib/mysql:Z -e MYSQL_USER=bob -e MYSQL_PASSWORD=password -e MYSQL_DATABASE=books -e MYSQL_ROOT_PASSWORD=password registry.redhat.io/rhel8/mariadb-103
   53  podman images
   54  podman ps -a
   55  podman logs mydbase
   56  podman rm mydbase
   57  sudo chown $(id -un) /opt/dbfile
   58  sudo chown $(id -un) /opt/dbfiles
   59  podman run -d --name mydbase -v /opt/dbfiles:/var/lib/mysql:Z -e MYSQL_USER=bob -e MYSQL_PASSWORD=password -e MYSQL_DATABASE=books -e MYSQL_ROOT_PASSWORD=password registry.redhat.io/rhel8/mariadb-103
   60  podman ps
   61  podman ps -a
   62  podman logs mydbase
   63  sudo ls -ldZ /opt/dbfiles
   64  mkdir dbfiles
   65  podman run -d --name mydbhome -v /home/student/dbfiles:/var/lib/mysql:Z -e MYSQL_USER=bob -e MYSQL_PASSWORD=password -e MYSQL_DATABASE=books -e MYSQL_ROOT_PASSWORD=password registry.redhat.io/rhel8/mariadb-103
   66  podman ps
   67  ls -ldZ dbfiles/
   68  podman logs mydbhome
   69  history
   70  sudo chmod o+w /opt/dbfiles
   71  podman run -d --name mynewdb -v /opt/dbfiles:/var/lib/mysql:Z -e MYSQL_USER=bob -e MYSQL_PASSWORD=password -e MYSQL_DATABASE=books -e MYSQL_ROOT_PASSWORD=password registry.redhat.io/rhel8/mariadb-103
   72  podman ps
   73  cd /opt/dbfiles/
   74  ls
   75  ls data/
   76  sudo ls data/
   77  cd
   78  luth/countdown 12
   79  sudo loginctl --help
   80  sudo useradd linda
   81  sudo passwd linda
   82  sudo loginctl enable-linger user
   83  sudo loginctl enable-linger linda
   84  sudo loginctl show-user linda
   85  ssh linda@localhost
   86  sudo reboot
   87  curl localhost:8081
   88  ps aux
   89  sudo ps aux | grep nginx
   90  ps fax | less
   91  man -k podman
   92  podman-generate
   93  man podman-generate
   94  man podman-generate-systemd
   95  man loginctl
   96  luth/countdown 41
   97  vim ks.txt
   98  cat ks.txt
   99  history

#######root@day4 ~]# history
    1  yum install -y vdo kmod-kvdo
    2  man vdo
    3  poweroff
    4  blkid
    5  lsblk
    6  vdo create --name=vdo1 --device=/dev/sdb --vdoLogicalSize=100G
    7  mkfs.xfs -K /dev/mapper/vdo1
    8  udevadm settle
    9  mkdir /vdo1
   10  man vdo
   11  cd /usr/share/doc/vdo/examples/
   12  ls
   13  cd systemd/
   14  ls
   15  less VDO.mount.example
   16  cp VDO.mount.example /etc/systemd/system/vdo1.mount
   17  vim /etc/systemd/system/vdo1.mount
   18  mount | grep vdo
   19  systemctl enable --now vdo1.mount
   20  systemctl status vdo1.mount
   21  mount | grep vdo
   22  vim /etc/fstab
   23  history
   24  vdostats --human-readable
   25  cd
   26  yum module install container-tools
   27  podman run -d nginx
   28  podman ps
   29  history
   30  exit
   31  history