systemd oct 23

[root@system-what ~]# history
    1  dnf update -y
    2  reboot
    3  ps aux | less
    4  systemctl list-dependencies
    5  systemctl list-units -t path
    6  systemctl cat cups.path
    7  systemctl cat cups.service
    8  history
    9  systemctl -t help
   10  systemctl cat sshd.service
   11  systemctl show sshd.service
   12  systemctl cat sshd.service
   13  man systemd.directives
   14  man systemd.kill
   15  man -k systemd
   16  man -k systemd | wc -l
   17  man systemd.unit
   18  man systemd.timer
   19  systemctl edit sshd.service
   20  export SYSTEMD_EDITOR=vim
   21  systemctl edit sshd.service
   22  echo 'export SYSTEMD_EDITOR=vim' >> .bashrc
   23  systemctl edit sshd.service
   24  systemctl cat sshd.service
   25  systemctl status sshd
   26  kill -9 918
   27  systemctl status sshd
   28  history
   29  systemctl list-units -t target
   30  systemctl cat sound.target
   31  ls /etc/systemd/system
   32  systemctl cat printer.target
   33  ls /etc/systemd/system/printer.target.wants/
   34  systemctl cat cups.service
   35  cd /etc/systemd/system/
   36  cp /usr/lib/systemd/system/sshd.service .
   37  mv sshd.service sleep.unit
   38  vim sleep.unit
   39  systemctl daemon-reload
   40  systemctl status sleep.unit
   41  systemctl status sleep.service
   42  mv sleep.unit sleep.service
   43  systemctl daemon-reload
   44  systemctl status sleep.service
   45  systemctl enable --now sleep.service
   46  systemctl status sleep.service
   47  cp /usr/lib/systemd/system/graphical.target sander.target
   48  pwd
   49  vim sander.target
   50  systemctl daemon-reload
   51  systemctl list-unit-files -t target
   52  systemctl disable --now sleep.service
   53  vim sleep.service
   54  systemctl enable --now sleep.service
   55  systemctl get-default
   56  systemctl set-default sander.target
   57  systemctl cat sander.target
   58  reboot
   59  systemctl get-default
   60  systemctl list-dependencies
   61  systemctl set-default graphical.target
   62  reboot
   63  cd systemd/
   64  ./countdown 12
   65  dnf install -y git
   66  git clone https://github.com/sandervanvugt/systemd
   67  cd systemd/
   68  ls
   69  history
   70  systemctl status rsyslog.service
   71  less /etc/rsyslog.conf
   72  journalctl
   73  journalctl -f
   74  systemctl status chrony
   75  systemctl status chronyd.service
   76  vim /etc/systemd/journald.conf
   77  cd /var/log
   78  ls
   79  mkdir journal
   80  ls journal/
   81  cd /usr/lib/systemd/system
   82  systemctl start systemd-journal-flush.service
   83  ls /var/log/journal/
   84  systemctl restart systemd-journal-flush.service
   85  ls /var/log/journal/
   86  systemctl status systemd-journal-flush.service
   87  history
   88  systemctl status systemd-journal-flush.service
   89  systemctl cat systemd-journal-flush.service
   90  systemctl list-dependencies
   91  dnf install -y httpd vsftpd
   92  systemctl disable --now vsftpd
   93  systemctl cat httpd
   94  systemctl edit httpd
   95  systemctl status httpd
   96  systemctl edit httpd
   97  systemctl status httpd
   98  systemctl edit httpd
   99  ps aux | grep ftp
  100  systemctl start httpd
  101  ps aux | grep ftp
  102  systemctl cat httpd.service
  103  systemctl status httpd.service
  104  systemctl status vsftpd.service
  105  systemctl enable httpd
  106  pwd
  107  cd /etc/systemd//system/
  108  ls
  109  cat sleep.service
  110  man systemd.service
  111  systemctl cat sshd.service
  112  systemctl status sshd.service
  113  systemctl status default.target
  114  systemctl cat sshd.service
  115  systemctl cat httpd.service
  116  systemctl --reverse --recursive
  117  systemctl --reverse --recursive list-dependencies
  118  systemctl list-dependencies
  119  systemctl kill multi-user.target
  120  ps faux | less
  121  cd
  122  cd systemd/
  123  ls
  124  cp *service /etc/systemd/system
  125  systemctl daemon-reload
  126  systemctl cat dynamicuser.service
  127  systemctl start dynamicuser.service
  128  ls -l /var/lib/private/
  129  systemd-analyze sleep.service
  130  systemd-analyze security sleep.service
  131  systemd-analyze blame
  132  history
  133  poweroff
  134  cat /etc/fstab
  135  fdisk /dev/sda
  136  mkfs.ext4 /dev/sda3
  137  mkdir /files
  138  cd /run/
  139  ls
  140  cd systemd/
  141  ls
  142  cd generator/
  143  ls
  144  cp boot.mount /etc/systemd/system/files.mount
  145  cd /etc/systemd/system/
  146  vim files.mount
  147  mount | grep files
  148  systemctl start files.mount
  149  mount | grep files
  150  systemctl cat files.mount
  151  systemctl status files.mount
  152  systemctl enable files.mount
  153  systemctl list-dependencies
  154  vim files.mount
  155  systemctl enable files.mount
  156  reboot
  157  mount
  158  mount -o remount,rw /
  159  systemctl start default.target
  160  vim /boot/grub2/grub.cfg
  161  vim /etc/default/grub
  162  grub2-mkconfig -o /boot/grub2/grub.cfg
  163  reboot
  164  cd systemd/
  165  ./countdown 1
  166  ./countdown 20
  167  ./countdown 1
  168  ./countdown 12
  169  exit
  170  history
  171  cat /etc/mtab
  172  cat /proc/mounts
  173  cd /etc/systemd/system/
  174  ls
  175  vim files.mount
  176  systemctl disable files.mount
  177  vim files.mount
  178  cd /usr/lib/systemd/system
  179  ls *automount
  180  cat proc-sys-fs-binfmt_misc.
  181  cat proc-sys-fs-binfmt_misc.automount
  182  cd
  183  ls
  184  cd systemd/
  185  ls
  186  vim nfsdata.mount
  187  vim nfsdata.automount
  188  cp  nfsdata.automount /etc/systemd/system/files.automount
  189  vim /etc/systemd/system/files.automount
  190  systemctl cat files.mount
  191  systemctl cat files.automount
  192  systemctl status files.mount
  193  systemctl stop files.mount
  194  systemctl status files.mount
  195  systemctl daemon-reload
  196  systemctl enable --now files.automount
  197  mount | grep files
  198  cd /files
  199  mount | grep files
  200  cd /
  201  mount
  202  sleep 10
  203  mount
  204  systemctl cat files.mount
  205  systemctl cat files.automount
  206  history
  207  ls /etc/cron.*/*
  208  systemctl
  209  systemctl list-unit-files -t timer
  210  systemctl list-unit-files | grep fstrim*
  211  systemctl cat fstrim.service
  212  systemctl cat fstrim.timer
  213  systemctl enable fstrim.timer
  214  systemctl status fstrim.service
  215  man systemd.time
  216  cd
  217  cd systemd/
  218  ls *timer
  219  cp monitor.timer /etc/systemd/system/
  220  systemctl daemon-reload
  221  systemctl cat monitor.timer
  222  systemctl cat monitor.service
  223  systemctl start monitor.timer
  224  journalctl -S today -f -u monitor.service
  225  systemctl stop monitor.timer
  226  systemctl list-unit-files -t socket
  227  systemctl list-unit-files | grep sshd*
  228  systemctl cat sshd.socket
  229  systemctl disable --now sshd
  230  ps aux | grep ssh
  231  systemctl enable --now sshd.socket
  232  systemctl status sshd.socket
  233  ps aux | grep sshd
  234  ssh localhost
  235  ssh student@localhost
  236  ps aux | grep ssh
  237  ss -tl
  238  ip a
  239  systemctl show httpd.service
  240  man systemd.directives
  241  systemctl edit httpd.service
  242  systemctl status httpd.service
  243  systemctl stop httpd
  244  systemctl edit httpd.service
  245  systemctl start httpd
  246  systemctl status httpd
  247  journalctl
  248  history
  249  pwwd
  250  pwd
  251  cd /etc/systemd/system/
  252  ls
  253  vim stress1.service
  254  vim stress2.service
  255  systemctl start stress1.service
  256  systemctl start stress2.service
  257  top
  258  echo 0 > /sys/bus/cpu/devices/cpu1/online
  259  top
  260  systemctl set-property CPUShares=8192 system.slice
  261  systemctl set-property system.slice CPUShares=8192
  262  top
  263  killall dd
  264  echo 1 > /sys/bus/cpu/devices/cpu1/online
  265  systemctl list-unit-files -t slice
  266  systemctl cat system.slice
  267  udevadm monitor
  268  cd sysinit.target.wants/
  269  cd
  270  cd systemd/
  271  ls
  272  cp 50-custom.rules /etc/udev/rules.d/
  273  cd /etc/udev/rules.d/
  274  ls
  275  vim 50-custom.rules
  276  ls /dev/usb
  277  journalctl
  278  ls /dev/usb/
  279  cd /usr/lib/udev/rules.d/
  280  ls
  281  vim 40-redhat.rules
  282  cd
  283  history
  284  loginctl enable-linger student
  285  exit
  286  history


#### student commands    3  sudo -i
    4  sip a
    5  ip a
    6  sudo vim /etc/hosts
    7  sudo -i
    8  ps aux | grep ssh
    9  systemctl status sshd
   10  exit
   11  mkdir -p .config/systemd/user
   12  cd .config/systemd/user
   13  cp /etc/systemd/system/sleep.service .
   14  vim sleep.service
   15  systemctl --user enable --now sleep.service
   16  ps aux | grep sleep
   17  systemctl --user status sleep.service
   18  sudo -i
   19  podman run -d --name mynginx -p 8080:80 nginx
   20  cd .config
   21  pwd
   22  podman generate systemd --name mynginx --files
   23  vim container-mynginx.service
   24  systemctl --user enable container-mynginx.service
   25  exit
   26  while true; do true; done
   27  exit
   28  sudo -i
   29  history