RHCSA march23 all days

[root@server1 rhcsa]# history
    1  dnf install git -y
    2  vim countdown
    3  chmod +x countdown
    4  ./countdown 16
    5  ./countdown 16 lab
    6  ssh [email protected]
    7  ip a
    8  tar czvf /root/archive.tgx /etc
    9  ls -l
   10  mv archive.tgx archive.tgz
   11  ls
   12  grep -v '^$' /etc/dnsmasq.conf
   13  grep -v '^$' /etc/dnsmasq.conf | sort
   14  grep -v '^$' /etc/dnsmasq.conf
   15  grep -v '^$' /etc/dnsmasq.conf | sort
   16  grep -v '^$' /etc/dnsmasq.conf | sort > /var/tmp/dnslines.txt
   17  useradd bob
   18  mkdir userfiles
   19  find / -user bob -type f
   20  find / -user bob -type f -exec cp -a {} userfiles/ \;
   21  man sort
   22  grep -v '^$' /etc/dnsmasq.conf | sort -d
   23  history
   24  ./countdown 13 break
   25  history
   26  exit
   27  su - bob
   28  passwd bob
   29  su - bob
   30  id student
   31  id bob
   32  visudo
   33  su - bob
   34  visudo
   35  su - bob
   36  visudo
   37  ./countdown 1
   38  ls -l /etc/skel
   39  ls -a /etc/skel
   40  ls -a /home/linda
   41  vim /etc/login.defs
   42  useradd --help | less
   43  cat /etc/passwd
   44  cat /etc/shadow
   45  vim /etc/shadow
   46  su - linda
   47  ssh linda@localhost
   48  vim /etc/shadow
   49  less /etc/passwd
   50  lid -g wheel
   51  groupadd sales
   52  id bob
   53  usermod -aG sales bob
   54  id bob
   55  usermod -G wheel bob
   56  id bob
   57  usermod --help | less
   58  usermod -G sales bob
   59  ./countdown 16 lab and break
   60  ./countdown 16 "lab and break"
   61  vim /etc/login.defs
   62  touch /etc/skel/newfile
   63  groupadd profs
   64  groupadd student
   65  groupadd students
   66  useradd anna -G profs
   67  useradd anouk -G profs
   68  useradd lisa -G students
   69  useradd linda -G students
   70  for i in linda lisa anna anouk; do echo password | passwd --stdin $i; done
   71  tail -4 /etc/shadow
   72  history
   73  ls -l /etc/hosts
   74  touch testfile
   75  ls -l
   76  chown linda testfile
   77  ls -l
   78  chown linda:profs testfile
   79  ls -l
   80  chgrp students testfile
   81  ls -l
   82  mkdir -p /data/profs /data/students
   83  ls -l /data
   84  chown :profs /data/profs
   85  chgrp students /data/students
   86  ls -l
   87  ls -l /data
   88  chmod 770 /data/students
   89  chmod g+w,o-rx /data/profs
   90  ls -l /data
   91  history
   92  cd /home/linda
   93  touch rootfile
   94  su - linda
   95  touch rootfile2
   96  su - linda
   97  su - anna
   98  chmod g+s /data/profs
   99  ls -l /data/
  100  su - anna
  101  su - anouk
  102  chmod +t /data/profs
  103  ls -ld /data/profs
  104  su - anouk
  105  cd
  106  ./countdown 1 questions
  107  cd /home/linda
  108  touch roofile
  109  ls -l rootfile2
  110  ls -l rootfile
  111  ls -l rootfile2
  112  rm rootfile2
  113  touch newfile
  114  ls -l newfile
  115  su - linda
  116  history
  117  mkdir -p /files/profs /files/students
  118  cd /files
  119  ls -l
  120  chgrp profs profs
  121  chgrp students students
  122  chmod 770 *
  123  ls -l
  124  umask
  125  umask 002
  126  umask
  127  umask 022
  128  exit
  129  ./countdown 15 "lab and break"
  130  lsblk
  131  poweroff
  132  fdisk /dev/nvme0n1
  133  lsblk
  134  mkfs.xfs /dev/nvme0n1p3
  135  mount /dev/nvme0n1p3 /mnt
  136  lsblk
  137  mount
  138  lsblk
  139  findmnt
  140  vim /etc/fstab
  141  mount -a
  142  reboot
  143  fdisk /dev/nvme0n1
  144  vim /etc/fstab
  145  mkfs.xfs /dev/nvme0n1p5
  146  mkfs.ext4 /dev/nvme0n1p6
  147  mkdir /part5 /part6
  148  mount -a
  149  touch /part5/part_5_file
  150  touch /part6/part6_file
  151  vim /etc/fstab
  152  fdisk /dev/nvme0n1
  153  history
  154  reboot
  155  journalctl -xb
  156  vim /etc/fstab
  157  lsblk
  158  blkid
  159  blkid | grep p5
  160  blkid | grep p5 | awk '{ print $2 }'
  161  blkid | grep p5 | awk '{ print $2 }' >> /etc/fstab
  162  vim /etc/fstab
  163  mount -a
  164  ls /part6
  165  top
  166  ps aux | grep zombie
  167  kill -9 38339
  168  ps aux | grep zombie
  169  kill -SIGCHLD 38338
  170  kill -9 38338
  171  ps aux | grep zombie
  172  dd if=/dev/zero of=/dev/null &
  173  top
  174  echo 0 > /sys/bus/cpu/devices/cpu1/online
  175  top
  176  nice --help | less
  177  nice -20 sleep 100
  178  echo 1 > /sys/bus/cpu/devices/cpu1/online
  179  history
  180  mount | grep proc
  181  cd proc
  182  cd /proc
  183  ls
  184  cd sys
  185  ls
  186  cd vm/
  187  ls
  188  sysctl -a
  189  sysctl -a | wc
  190  tuned-adm list
  191  dnf install -y tuned
  192  dnf install -y tuned-adm
  193  tuned-adm --list
  194  tuned-adm list
  195  tuned-amd profile virtual-guest
  196  tuned-adm profile virtual-guest
  197  tuned-adm list
  198  systemctl status tuned
  199  cd /usr/lib/tuned/
  200  ls
  201  cd virtual-
  202  cd virtual-guest/
  203  ls
  204  vim tuned.conf
  205  pwd
  206  ls -ld /etc/tuned
  207  cd /etc/tuned
  208  ls
  209  mkdir sander
  210  cp /usr/lib/tuned/latency-performance/tuned.conf sander/
  211  tuned-adm list
  212  tuned-adm profile sander
  213  tuned-adm recommend
  214  history
  215  cd
  216  history
  217  ip link show
  218  ip addr show
  219  hostnamectl status
  220  hostnamectl hostname server1.example.local
  221  hostnamectl status
  222  cat /etc/hostname
  223  exit
  224  vim /etc/hosts
  225  ping google.com
  226  vim /etc/nsswitch.conf
  227  ping google.com
  228  cat /etc/resolv.conf
  229  nmtui
  230  cd /etc/NetworkManager/
  231  ls
  232  cd system-connections/
  233  ls
  234  vim ens160.nmconnection
  235  ip a
  236  cd
  237  systemctl -t help
  238  systemctl list-unit-files
  239  systemctl list-units
  240  systemctl list-units -t timer
  241  systemctl cat logrotate.timer
  242  systemctl cat logrotate.service
  243  systemctl cat logrotate.timer
  244  systemctl status logrotate.timer
  245  systemctl cat sshd.service
  246  systemctl status sshd.service
  247  kill -9 4660
  248  systemctl status sshd.service
  249  systemctl status sshd
  250  dnf install -y httpd
  251  service sshd status
  252  systemctl status httpd
  253  systemctl enable --now httpd
  254  exit
  255  history
  256  fdisk /dev/nvme0n1
  257  lslbk
  258  lsblk
  259  cat /proc/partitions
  260  fdisk -l /dev/nvme0n1
  261  mkfs.xfs /dev/nvme0n1p4
  262  cd /boot
  263  umount /dev/sda1
  264  umount /boot
  265  lsof /boot
  266  findmnt
  267  lsblk
  268  blkid
  269  mount | grep part6
  270  tune2fs -L cow /dev/nvme0n1p5
  271  mount LABEL=cow /mnt
  272  vim /etc/fstab
  273  fdisk /dev/nvme0n1
  274  mkswap /dev/nvme0n1p6
  275  free -m
  276  vim /etc/fstab
  277  swapon -a
  278  free -m
  279  history
  280  dd if=/dev/zero of=/swapfile bs=1M count=1024
  281  mkswap /swapfile
  282  chmod 0600 /swapfile
  283  vim /etc/fstab
  284  swapon -a
  285  free -m
  286  cd
  287  ./countdown 1
  288  df -h
  289  dd if=/dev/sr0 of=/rhel9.iso bs=1M
  290  mkdir /repo
  291  vim /etc/fstab
  292  mount -a
  293  ls /rhel9
  294  ls /repo/
  295  dnf install nmap
  296  dnf config-manager -h | less
  297  dnf config-manager --add-repo="file:///repo/BaseOS"
  298  dnf config-manager --add-repo="file:///repo/AppStream"
  299  dnf install nmap -y
  300  cd /etc/yum.repos.d/
  301  ls
  302  vim repo_BaseOS.repo
  303  vim repo_AppStream.repo
  304  dnf install nmap -y
  305  ssh [email protected]
  306  history
  307  cat repo_BaseOS.repo
  308  cd
  309  cat /etc/fstab
  310  dnf list 'selinux*'
  311  dnf search selinux
  312  dnf provides */Containerfile
  313  ls -l $(which dnf) $(which yum)
  314  dnf groups list
  315  dnf groups install "Virtualization Host"
  316  dnf groups list hidden
  317  history
  318  dd if=/dev/nvme0n1 of=/dev/zero &
  319  kill -USR1 37341
  320  fg
  321  dnf install -y git
  322  git clone https://github.com/sandervanvugt/rhcsa
  323  cd rhcsa/
  324  ls
  325  ./zombie
  326  systemctl status httpd
  327  exit
  328  ./countdown 16 "setup repo server and client"
  329  ./countdown 15 "tuned lab and coffee"
  330  exit
  331  systemctl cat httpd.service
  332  systemctl show httpd.service
  333  systemctl edit httpd.service
  334  export EDITOR=/usr/bin/vim
  335  systemctl edit httpd.service
  336  systemctl cat httpd.service
  337  systemctl daemon-reload
  338  systemctl status httpd
  339  kill -9 40478
  340  systemctl status httpd
  341  man -k systemd | less
  342  man systemd.directives
  343  man systemd.unit
  344  ./countdown 13 "break and practice"
  345  history
  346  top
  347  killall dd
  348  top
  349  dnf install nginx -y
  350  systemctl mask httpd
  351  systemctl unmask httpd
  352  systemctl mask nginx
  353  systemctl start nginx
  354  systemctl status sshd
  355  journalctl
  356  journalctl -p err
  357  journalctl -f
  358  journalctl -u sshd.service
  359  cd /var/log
  360  ls
  361  ls -l
  362  grep 'Storage' /etc/systemd/journald.conf
  363  ls -l /var/log/journal
  364  mkdir /var/log/journal
  365  ls /var/log/journal/
  366  systemctl restart systemd-journal-flush.service
  367  ls
  368  ls journal/
  369  lsblk
  370  gdisk /dev/nvme0n2
  371  pvcreate /dev/nvme0n2p1
  372  pvs
  373  vgcreate vgdata /dev/nvme0n2p1
  374  pvs
  375  vgs
  376  vgdisplay
  377  lvcreate -n lvdata -L 2G vgdata
  378  lvcreate -n lvdata -l 100%FREE vgdata
  379  lvs
  380  mkfs.ext4 /dev/vgdata/lvdata
  381  mkdir /lvdata
  382  vim /etc/fstab
  383  mount -a
  384  mount
  385  ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  386  history
  387  lsblk
  388  gdisk /dev/nvme0n2
  389  gdisk -l /dev/nvme0n2
  390  cat /proc/partitions
  391  partprobe
  392  cat /proc/partitions
  393  kpartx -a
  394  kpartx -a /dev/nvme0n2
  395  gdisk -l /dev/nvme0n2
  396  cat /proc/partitions
  397  reboot
  398  cat /proc/partitions
  399  lvs
  400  df -h
  401  vgs
  402  vgextend vgdata /dev/nvme0n2p2
  403  vgs
  404  lvextend -r -l +50%FREE /dev/vgdata/lvdata
  405  df -h
  406  gdisk /dev/nvme0n2
  407  poweroff
  408  vim /etc/default/grub
  409  grub2-mkconfig -o /boot/grub2/grub.cfg
  410  systemctl isolate multi-user.target
  411  man ifconfig
  412  ./countdown 5 lab
  413  ./countdown 12 break
  414  getenforce
  415  setenforce permissive
  416  getenforce
  417  setenforce enforcing
  418  vim /etc/sysconfig/selinux
  419  ls -Z /var/www
  420  ps Zaux | grep http
  421  ls -Z /var/www
  422  mkdir /web
  423  ls -dZ /web
  424  vim /web/index.html
  425  vim /etc/httpd/conf/httpd.conf
  426  systemctl restart httpd
  427  ps Zaux | grep http
  428  curl localhost
  429  curl http://localhost
  430  vim /etc/hosts
  431  curl server1
  432  systemctl status httpd
  433  systemctl stop firewalld
  434  curl http://localhost
  435  wget localhost
  436  vim /etc/nsswitch.conf
  437  curl localhost
  438  wget http://localhost
  439  wget server1.example.local
  440  vim /etc/nsswitch.conf
  441  curl localhost
  442  getenforce
  443  setenforce permissive
  444  curl localhost
  445  setenforce enforcing
  446  grep AVC /var/log/audit/audit.log
  447  ls -Z /var/www
  448  man semanage-fcontext
  449  semanage fcontext -a -t httpd_sys_content_t "/web(.*)?"
  450  ls -dZ /web
  451  restorecon -Rv /web
  452  ls -dZ /web
  453  getenforce
  454  curl localhost
  455  history
  456  semenage fcontext -l
  457  semanage fcontext -l
  458  semanage fcontext -l | wc
  459  dnf install -y selinux-policy-doc
  460  man -k _selinux
  461  man -k _selinux | wc
  462  man -k _selinux | grep http
  463  man httpd_selinux
  464  vim /etc/httpd/conf/httpd.conf
  465  systemctl restart httpd
  466  systemctl status httpd
  467  getenforce
  468  setenforce permissive
  469  systemctl restart httpd
  470  setenforce enforcing
  471  grep AVC /var/log/audit/audit.log
  472  man semanage-port
  473  semanage port -a -t http_port_t -p tcp 82
  474  getenforce
  475  systemctl restart httpd
  476  history
  477  getsebool -a | grep ftp
  478  setsebool -P ftpd_anon_write on
  479  getsebool -a | grep ftp
  480  journalctl | grep sealert
  481  sealert -l eab70786-ae59-41b6-a0b7-dbdc4b9a65f4 | less
  482  journalctl | grep sealert
  483  sealert -l 7d174313-e63c-473a-86f0-2038acfa409b | less
  484  history
  485  mv /etc/hosts /web/
  486  cp /web/hosts /etc/
  487  ls -Z /web/hosts
  488  curl http://localhost/hosts
  489  curl http://localhost/hosts 82
  490  vim /etc/httpd/conf/httpd.conf
  491  systemctl restart httpd
  492  curl http://localhost/hosts
  493  getenforce
  494  ls -Z /web/hosts
  495  restorecon /web/hosts
  496  ls -Z /web/hosts
  497  dnf install stratis-cli
  498  systemctl enable --now stratisd
  499  gdisk /dev/nvme0n2
  500  reboot
  501  lsblk
  502  df -h
  503  vim /etc/fstab
  504  systemctl disable stratis
  505  systemctl disable stratisd
  506  xxd /dev/nvme0n2p6 | less
  507  dd if=/dev/zero of=/dev/nvme0n2p6 bs=1M count=10
  508  dd if=/dev/zero of=/dev/nvme0n2p5 bs=1M count=10
  509  reboot
  510  ./countdown 5
  511  vim /etc/hosts
  512  showmount -e nfsserver
  513  dnf install -y nfs-utils
  514  showmount -e nfsserver
  515  ./countdown 14 lab and nfs-server setup according to slide
  516  mount nfsserver:/nfsdata /mnt
  517  mount
  518  umount /mnt
  519  dnf install -y autofs
  520  vim /etc/auto.master
  521  vim /etc/auto.misc
  522  vim /etc/auto.master
  523  vim /etc/auto.nfsdata
  524  systemctl enable --now autofs
  525  mount
  526  cd /data
  527  ls
  528  ls -a
  529  cd files
  530  mount
  531  touch here
  532  vim /etc/auto.master
  533  vim /etc/auto.ldap
  534  systemctl restart autofs
  535  cd /home/ldap/
  536  ls -a
  537  cd ldapuser1
  538  cd ../
  539  ls
  540  cd ldapuser7
  541  history
  542  cat /etc/auto.ldap
  543  grep home /etc/auto.master
  544  reboot
  545  history
  546  systemctl status firewalld
  547  firewall-cmd --list-all
  548  firewall-cmd --get-services
  549  firewall-cmd --add-service http
  550  firewall-cmd --add-service http --permanent
  551  firewall-cmd --list-all
  552  ls /usr/lib/firewalld/services/
  553  cp /usr/lib/firewalld/services/http.xml /etc/firewalld/services/sander.xml
  554  vim /etc/firewalld/services/sander.xml
  555  firewall-cmd --get-services
  556  systemctl restart firewalld
  557  firewall-cmd --get-services
  558  firewall-cmd --add-service sander
  559  firewall-cmd --add-service sander --permanent
  560  history
  561  exit
  562  systemctl status chronyd
  563  vim /etc/chrony.conf
  564  chronyc sources
  565  at teatime
  566  atq
  567  systemctl list-unit-files -t timer
  568  systemctl cat logrotate.timer
  569  systemctl cat logrotate.service
  570  systemctl status logrotate
  571  systemctl list-units
  572  systemctl list-units -t service
  573  systemctl list-unit-files -t service
  574  cd rhcsa/
  575  ls
  576  systemctl start touchfile.timer
  577  systemctl cat fstrim.service
  578  cd /etc/systemd
  579  vim touchfile.service
  580  systemctl list-unit-files -t timer
  581  systemctl cat fstrim.timer
  582  pwd
  583  vim touchfile.timer
  584  man 7 systemd-time
  585  vim touchfile.timer
  586  systemctl enable --now touchfile.timer
  587  systemctl daemon-reload
  588  systemctl enable --now touchfile.timer
  589  pwd
  590  ls
  591  mv touch* system/
  592  systemctl enable --now touchfile.timer
  593  man systemd.time
  594  vim /etc/crontab
  595  su - linda
  596  journalctl
  597  cd /etc/cron.d
  598  ls
  599  exit
  600  ./countdown 30 "mini exam as found in the git repo"
  601  cd rhcsa/
  602  ls
  603  less mini-exam-30min.txt
  604  history

###### student commands[student@server1 rhcsa]$ history
    1  sudo -i
    2  su -
    3  sudo -i
    4  sudo -i
    5  exit
    6  su -
    7  sudo -i
    8  sudo systemctl isolate graphical.target
    9  sudo -i
   10  sudo -i
   11  podman ps
   12  podman stop sleepy
   13  podman ps
   14  podman stop aa7d
   15  cd rhcsa/
   16  ./countdown 14
   17  ./countdown 15
   18  podman login registry.redhat.io
   19  sudo vim /etc/containers/registries.conf
   20  sudo dnf install container-tools
   21  git clone https://github.com/sandervanvugt/rhcsa
   22  cd rhcsa
   23  ls
   24  vim Containerfile
   25  podman info
   26  podman search ubi8
   27   podman images
   28  podman login registry.access.redhat.com
   29  podman build -t mymap .
   30  podman images
   31  vim Containerfile
   32  podman build -t alpmap .
   33  vim Containerfile
   34  podman build -t alpmap .
   35  vim Containerfile
   36  podman build -t alpmap .
   37  podman images
   38  history
   39  podman search ubi
   40  podman run --name sleepy docker.io/redhat/ubi9 sleep 3600
   41  podman run -d --name sleepy docker.io/redhat/ubi9 sleep 3600
   42  podman ps
   43  podman ps -a
   44  podman rm sleepy
   45  podman run -d --name sleepy docker.io/redhat/ubi9 sleep 3600
   46  podman ps
   47  podman run docker.io/library/busybox
   48  podman ps
   49  podman ps -a
   50  podman images
   51  podman run localhost/alpmap
   52  podman run --name mydb quay.io/centos7/mariadb-103-centos7
   53  podman ps
   54  podman ps -a
   55  podman logs mydb
   56  skopeo inspect docker://quay.io/centos7/mariadb-103-centos7
   57  podman rm mydb
   58  podman run --name mydb -e MYSQL_ROOT_PASSWORD=password quay.io/centos7/mariadb-103-centos7
   59  podman run -d -p 80:80 registry.access.redhat.com/ubi9/nginx-120
   60  podman run -d -p 8080:80 registry.access.redhat.com/ubi9/nginx-120
   61  podman port -a
   62  podman ps
   63  podman ps  -a
   64  sudo firewall-cmd --add-port=8080/tcp --permanent
   65  sudo firewall-cmd --reload
   66  firewall-cmd --list-all
   67  podman run -d -p 8080:80 docker.io/library/nginx
   68  podman ps
   69  curl localhost:8080
   70  podman search mariadb | grep quay
   71  podman run -d --name mydb -e MYSQL_ROOT_PASSWORD=password quay.io/centos7/mariadb-103-centos7
   72  podman stop mydb
   73  podm rm mydb
   74  podman rm mydb
   75  podman run -d --name mydb -e MYSQL_ROOT_PASSWORD=password quay.io/centos7/mariadb-103-centos7
   76  podman exec mydb grep mysql /etc/passwd
   77  cd
   78  mkdir mydb
   79  ls -ld mydb/
   80  podman unshare chown 27:27 mydb
   81  podman unshare ls -ld mydb
   82  ls -ld mydb
   83  podman unshare cat /proc/self/uid_map
   84  podman inspect mydb | less
   85  podman stop mydb
   86  podman rm mydb
   87  podman run -d --name mydb -e MYSQL_ROOT_PASSWORD=password -v /home/student/mydb:/var/lib/mysql:Z quay.io/centos7/mariadb-103-centos7
   88  ls -l mydb/
   89  ls -lZ mydb/
   90  cd rhcsa/
   91  ./countdown 17 "bind mounting rootless containers (see slides)"
   92  history
   93  podman ps
   94  podman exec -it mydb sh
   95  podman inspect mydb | less
   96  podman exec -it mydb sh
   97  podman images
   98  podman image inspect f4db | less
   99  sudo loginctl enable-linger linda
  100  ssh linda@localhost
  101  sudo reboot
  102  ps faux | less
  103  cd rhcsa
  104  ls
  105  vim mini-exam-30min.txt
  106  sudo -i
  107  history


##### linda commands[linda@server1 ~]$ history
    1  exit
    2  ls -l
    3  rm -f rootfile
    4  ls -ld .
    5  exit
    6  echo testing > rootfile2
    7  vim rootfile2
    8  ls -l
    9  exit
   10  touch newerfile
   11  ls -l
   12  exit
   13  crontab -e
   14  time
   15  date
   16  exit
   17  mkdir -p .config/systemd/user
   18  cd .config/systemd/user/
   19  podman run -d --name mynginx -p 8081:80 nginx
   20  podman ps
   21  podman generate -h | less
   22  podman generate --help
   23  podman generate systemd --help
   24  man podman-generate
   25  man podman-generate-systemd
   26  podman generate systemd --name mynginx --files --new
   27  vim container-mynginx.service
   28  systemctl --user daemon-reload
   29  systemctl --user enable container-mynginx.service
   30  exit
   31  history