systemd jan23

ROOT COMMANDSmctl show-units
    5  systemctl list-units
    6  systemctl list-units -t mounts
    7  systemctl list-units -t mount
    8  systemctl list-units -t service
    9  systemctl cat sshd.service
   10  cat /etc/fstab
   11  systemctl -t help
   12  systemctl list-units -t target
   13  dnf install -y git
   14  git clone https://github.com/sandervanvugt/systemd
   15  history
   16  cd systemd/
   17  ls
   18  vim sleep.service
   19  cp sleep.service /etc/systemd/system/
   20  systemctl status sleep.service
   21  systemctl start sleep.service
   22  systemctl status sleep.service
   23  systemctl -t help
   24  systemctl list-units -t timer
   25  systemctl list-units -t path
   26  systemctl -t help
   27  pwd
   28  systemctl edit sleep.service
   29  man -k systemd
   30  man -k systemd | wc
   31  systemctl show sshd.service
   32  man 7 systemd.directives
   33  man systemd.exec
   34  export EDITOR=/usr/bin/vim
   35  systemctl edit sleep
   36  vim /etc/bashrc
   37  cd /usr/lib/systemd/system
   38  ls
   39  vim sshd.service
   40  systemctl edit sshd.service
   41  systemctl show sshd.service
   42  man systemd.directives
   43  man systemd.service
   44  systemctl edit sshd.service
   45  systemctl cat sshd.service
   46  systemctl show sshd.service
   47  cd /etc/init.d
   48  ls /etc/rc.d
   49  history
   50  systemctl edit sshd.service
   51  systemctl daemon-reload
   52  kill -9 $(pidof sshd)
   53  systemctl status sshd
   54  cd /usr/lib/systemd/system
   55  ls
   56  pwd
   57  cd /etc/systemd/system/
   58  ls
   59  systemctl cat sshd.service
   60  systemctl list-units -t target
   61  systemctl cat sound.target
   62  systemctl cat multi-user.target
   63  systemctl cat sshd.service
   64  systemctl disable sshd.service
   65  systemctl enable sshd.service
   66  cd /etc/systemd/system/
   67  ls -l
   68  cd /etc/systemd/system/multi-user.target.wants/
   69  ls
   70  systemctl enable sleep.service
   71  systemctl cat sshd.service
   72  vim /etc/systemd/system/sleep.service
   73  systemctl enable sleep.service
   74  systemctl list-dependencies multi-user.target
   75  history
   76  cd
   77  cd systemd/
   78  ls
   79  ./countdown 12
   80  systemctl cat sshd.service
   81  man systemd.service
   82  pwd
   83  cd /etc/systemd/system/
   84  vim sleep.service
   85  systemctl status sleeep
   86  systemctl status sleep
   87  systemctl stop sleep
   88  systemctl daemon-reloads
   89  systemctl daemon-reload
   90  systemctl stop sleep
   91  systemctl status sleep
   92  systemctl start sleep
   93  systemctl show sleep
   94  systemctl status sshd
   95  journalctl
   96  journalctl -xb
   97  journalctl -u sshd
   98  cd /var/log
   99  ls
  100  mkdir journal
  101  ls journal/
  102  systemctl restart systemd-journal-flush.service
  103  ls journal/
  104  cd /etc/systemd/
  105  ls
  106  vim journald.conf
  107  loginctl list-users
  108  loginctl list-session
  109  loginctl list-sessions
  110  loginctl terminate-session 4
  111  loginctl list-sessions
  112  systemctl list-dependencies
  113  dnf install -y httpd vsftpd
  114  systemctl status httpd
  115  systemctl status vsftpd
  116  systemctl edit httpd.service
  117  systemctl start httpd
  118  systemctl status vsftpd
  119  systemctl status httpd
  120  kill -9 40240
  121  systemctl status httpd
  122  systemctl edit httpd.service
  123  systemctl edit vsftpd.service
  124  systemctl stop httpd
  125  systemctl stop vsftpd
  126  systemctl start httpd
  127  systemctl status httpd
  128  systemctl status vsftpd
  129  systemctl edit vsftpd
  130  systemctl edit httpd
  131  ls
  132  pwd
  133  cd system/
  134  vim sleep.service
  135  systemctl cat sshd.service
  136  systemctl cat httpd
  137  systemd-run sleep 2000
  138  systemctl cat run-r64b34c4b5f6945fa92af13f44d882916.service
  139  systemctl status sleep
  140  ps aux | grep 39249
  141  systemctl stop sleep
  142  vim sleep.service
  143  systemctl daemon-reload
  144  systemctl start sleep.service
  145  ps aux | grep sleep
  146  grep sleep /etc/passwd
  147  cd /root/systemd/
  148  ls
  149  vim dynamicuser.service
  150  cp dynamicuser.service /etc/systemd/system
  151  systemctl start dynamicuser.service
  152  ls -l /var/lib/private/
  153  ls -l /var/lib/private/dynamic/
  154  vim dynamicuser.service
  155  pwd
  156  cp dynamicuser.service /etc/systemd/system/
  157  systemctl daemon-reload
  158  systemctl start dynamicuser.service
  159  ls -l /var/lib/private/dynamic/
  160  systemd-analyze calendar
  161  systemd-analyze calendar --help
  162  systemd-analyze security sleep.service
  163  systemd-analyze security httpd.service
  164  systemctl list-dependencies
  165  systemd-analyze security systemd-udevd.service
  166  systemd-analyze blame
  167  cd
  168  cd systemd/
  169  ./countdown 12
  170  cd
  171  dnf install nfs-utils
  172  vim /etc/exports
  173  systemctl enable --now nfs-server
  174  showmount -e localhost
  175  mount localhost:/var /mnt
  176  mount
  177  umount /mnt
  178  cd systemd/
  179  ls
  180  vim nfsdata.mount
  181  systemctl start nfsdata.mount
  182  pwd
  183  cp nfsdata.* /etc/systemd/system/
  184  systemctl start nfsdata.mount
  185  ls /
  186  cd /nfsdata
  187  ls
  188  mount
  189  systemctl status nfsdata.mount
  190  systemctl stop nfsdata.mount
  191  pwd
  192  cd
  193  systemctl stop nfsdata.mount
  194  systemctl cat nfsdata.automount
  195  systemctl enable --now nfsdata.automount
  196  systemctl enable status nfsdata.automount
  197  systemctl status nfsdata.automount
  198  systemctl status nfsdata.mount
  199  mount | grep nfsdata
  200  cd /nfsdata
  201  ls
  202  mount | grep nfsdata
  203  systemctl status nfsdata.mount
  204  cd /
  205  sleep 10; systemctl status nfsdata.mount
  206  poweroff
  207  fdisk /dev/sda
  208  mkfs.ext4 /dev/sda3
  209  systemctl show-unit-files -t mount
  210  systemctl list-unit-files -t mount
  211  systemctl cat proc-fs-nfsd.mount
  212  systemctl cat proc-fs-nfsd.mount > /etc/systemd/system/mnt-data.mount
  213  vim /etc/systemd/system/mnt-data.mount
  214  systemctl daemon-reload
  215  mount | grep data
  216  systemctl enable --now mnt-data.mount
  217  systemctl status mnt-data.mount
  218  mount | grep data
  219  cd /run/systemd/generator/
  220  ls
  221  vim boot.mount
  222  blkid
  223  cd /dev/disk/
  224  pwd
  225  ls
  226  by-uuid/
  227  ls -l by-uuid/
  228  cd
  229  history
  230  systemctl list-units -t timer
  231  systemctl cat logrotate.timer
  232  systemctl status logrotate.timer
  233  systemctl list-unit-files -t timer
  234  systemctl cat fstrim.timer
  235  systemctl status crond
  236  cd /etc/cron.d
  237  ls
  238  cd ..
  239  ls -l cron.*/
  240  systemctl cat logrotate.timer
  241  systemctl cat logrotate.*
  242  cd
  243  cd systemd/
  244  ls monitor.*
  245  cp moni* /etc/systemd/system
  246  systemctl cat monitor.timer
  247  systemctl cat monitor.service
  248  systemctl enable --now monitor.timer
  249  date
  250  journalctl
  251  systemctl cat monitor.service
  252  systemctl disable --now monitor.timer
  253  man systemd.timer
  254  man systemd.time
  255  systemctl cat sshd.service
  256  systemctl disable --now sshd.service
  257  ssh localhost
  258  systemctl list-unit-files -t socket
  259  systemctl cat sshd.socket
  260  systemctl enable --now sshd.socket
  261  ssh localhost
  262  ssh student@localhost
  263  ps aux | grep sshd
  264  systemctl cat sshd.socket > /etc/systemd/system/vsftpd.socket
  265  pwd
  266  grep ftp /etc/services
  267  vim /etc/systemd/system/vsftpd.socket
  268  dnf install lftp
  269  systemctl enable vsftpd.socket
  270  lftp localhost
  271  ps aux | grep ftp
  272  vim /etc/vsftpd/vsftpd.conf
  273  lftp localhost
  274  pwd
  275  ./countdown 12
  276  pwd
  277  ls
  278  cp stress* /etc/systemd/system
  279  systemctl cat stress1.service
  280  systemctl cat stress2.service
  281  systemctl start stress1
  282  systemctl start stress2
  283  top
  284  echo 0 > /sys/bus/cpu/devices/cpu1/online
  285  top
  286  systemctl set-property system.slice CPUShares=8192
  287  systemctl set-property user.slice CPUShares=1024
  288  top
  289  systemctl stop stress1
  290  systemctl stop stress2
  291  echo 1 > /sys/bus/cpu/devices/cpu1/online
  292  systemd-cgls
  293  systemd-cgtop
  294  systemctl enable-linger student
  295  loginctl enable-linger student
  296  loginctl show-user student
  297  history -w
  298  fdisk /dev/sda
  299  mkfs.ext4 /dev/sda3
  300  systemctl show-unit-files -t mount
  301  systemctl list-unit-files -t mount
  302  systemctl cat proc-fs-nfsd.mount
  303  systemctl cat proc-fs-nfsd.mount > /etc/systemd/system/mnt-data.mount
  304  vim /etc/systemd/system/mnt-data.mount
  305  systemctl daemon-reload
  306  mount | grep data
  307  systemctl enable --now mnt-data.mount
  308  systemctl status mnt-data.mount
  309  mount | grep data
  310  cd /run/systemd/generator/
  311  ls
  312  vim boot.mount
  313  blkid
  314  cd /dev/disk/
  315  pwd
  316  ls
  317  by-uuid/
  318  ls -l by-uuid/
  319  cd
  320  history
  321  systemctl list-units -t timer
  322  systemctl cat logrotate.timer
  323  systemctl status logrotate.timer
  324  systemctl list-unit-files -t timer
  325  systemctl cat fstrim.timer
  326  systemctl status crond
  327  cd /etc/cron.d
  328  ls
  329  cd ..
  330  ls -l cron.*/
  331  systemctl cat logrotate.timer
  332  systemctl cat logrotate.*
  333  cd
  334  cd systemd/
  335  ls monitor.*
  336  cp moni* /etc/systemd/system
  337  systemctl cat monitor.timer
  338  systemctl cat monitor.service
  339  systemctl enable --now monitor.timer
  340  date
  341  journalctl
  342  systemctl cat monitor.service
  343  systemctl disable --now monitor.timer
  344  man systemd.timer
  345  man systemd.time
  346  systemctl cat sshd.service
  347  systemctl disable --now sshd.service
  348  ssh localhost
  349  systemctl list-unit-files -t socket
  350  systemctl cat sshd.socket
  351  systemctl enable --now sshd.socket
  352  ssh localhost
  353  ssh student@localhost
  354  ps aux | grep sshd
  355  systemctl cat sshd.socket > /etc/systemd/system/vsftpd.socket
  356  pwd
  357  grep ftp /etc/services
  358  vim /etc/systemd/system/vsftpd.socket
  359  dnf install lftp
  360  systemctl enable vsftpd.socket
  361  lftp localhost
  362  ps aux | grep ftp
  363  vim /etc/vsftpd/vsftpd.conf
  364  lftp localhost
  365  pwd
  366  ./countdown 12
  367  pwd
  368  ls
  369  cp stress* /etc/systemd/system
  370  systemctl cat stress1.service
  371  systemctl cat stress2.service
  372  systemctl start stress1
  373  systemctl start stress2
  374  top
  375  echo 0 > /sys/bus/cpu/devices/cpu1/online
  376  top
  377  systemctl set-property system.slice CPUShares=8192
  378  systemctl set-property user.slice CPUShares=1024
  379  top
  380  systemctl stop stress1
  381  systemctl stop stress2
  382  echo 1 > /sys/bus/cpu/devices/cpu1/online
  383  systemd-cgls
  384  systemd-cgtop
  385  systemctl enable-linger student
  386  loginctl enable-linger student
  387  loginctl show-user student
  388  history -w
  389  reboot
  390  cd systemd/
  391  cat sleep.service
  392  history

USER COMMANDS    1  ssh student@localhost
    2  sudo -i
    3  sudo systemctl status sshd
    4  exit
    5  while true; do true; done
    6  mkdir -p .config/systemd/user
    7  cd .config/systemd/user/
    8  ls
    9  podman run -d --name mynginx -p 8080:80 docker.io/library/nginx
   10  podman ps
   11  pwd
   12  podman generate systemd --name mynginx --files
   13  vim container-mynginx.service
   14  systemctl --user daemon-reload
   15  systemctl --user enable container-mynginx.service
   16  systemctl --user status container-mynginx.service
   17  history -w
   18  while true; do true; done
   19  mkdir -p .config/systemd/user
   20  cd .config/systemd/user/
   21  ls
   22  podman run -d --name mynginx -p 8080:80 docker.io/library/nginx
   23  podman ps
   24  pwd
   25  podman generate systemd --name mynginx --files
   26  vim container-mynginx.service
   27  systemctl --user daemon-reload
   28  systemctl --user enable container-mynginx.service
   29  systemctl --user status container-mynginx.service
   30  history -w
   31  systemctl --user status container-mynginx.service
   32  podman ps
   33  cd .config/systemd/user/
   34  ls
   35  vim sleep.service
   36  systemctl --user enable --now sleep.service
   37  ps aux | grep sleep
   38  history