systemd sep21

[root@systemd network]# history
    1  dnf install -y network-scripts
    2  cd /etc/init.d/
    3  ls
    4  vim network
    5  cd /usr/lib/systemd/system
    6  ls
    7  cat NetworkManager.service
    8  cat sshd.service
    9  systemctl -t help
   10  man -k systemd
   11  man -k systemd | wc
   12  systemctl cat sshd.service
   13  systemctl show sshd.service
   14  man 7 systemd.directives
   15  man 5 systemd.service
   16  man -t help
   17  systemctl -t help
   18  man systemd.automount
   19  systemctl edit sshd.service
   20  export SYSTEMD_EDITOR=vim
   21  echo export SYSTEMD_EDITOR=vim >> /etc/bashrc
   22  dnf install -y httpd
   23  systemctl list-unit-files
   24  history
   25  systemctl status httpd
   26  ps aux | grep http
   27  systemctl enable --now httpd
   28  systemctl status httpd
   29  journalctl
   30  historty
   31  history
   32  systemctl cat httpd
   33  systemctl cat sshd.service
   34  systemctl edit httpd
   35  systemctl cat httpd.service
   36  systemctl show --all httpd
   37  ps aux | grep http
   38  kill -9 33709
   39  systemctl status httpd
   40  history
   41  systemctl show --all httpd
   42  systemctl show httpd
   43  man 7 systemd.directives
   44  systemd.service
   45  man systemd.service
   46  systemctl list-unit-files -t target
   47  systemctl list-units -t target
   48  systemctl list-dependencies
   49  systemctl get-default
   50  systemctl list-dependencies
   51  systemctl cat multi-user.target
   52  systemctl cat httpd.service
   53  dnf install postfix
   54  systemctl enable postfix
   55  cd /etc/systemd/system/
   56  ls
   57  cd multi-user.target.wants/
   58  ls
   59  ls -l
   60  cd
   61  systemctl disable postfix.service
   62  systemctl get-default
   63  systemctl isolate rescue.target
   64  systemctl list-dependencies
   65  systemctl list-units
   66  systemctl isolate emergency.target
   67  systemctl list-units
   68  systemctl isolate reboot.target
   69  systemctl start graphical.target
   70  useradd bob
   71  passwd bob
   72  ssh bob@localhost
   73  cd systemd/
   74  ./countdown 4
   75  vim /etc/systemd/journald.conf
   76  cd /var/log
   77  ls
   78  mkdir journal
   79  ls journal/
   80  systemctl daemon-reload
   81  ls journal/
   82  cat journal/4b6c72d414cd46fd9536a99fdd3ff906/system.journal
   83  cd
   84  dnf install -y git
   85  git clone https://github.com/sandervanvugt/systemd
   86  cd systemd/
   87  ls
   88  ./countdown 12
   89  history
   90  loginctl --help
   91  loginctl list-sessions
   92  loginctl kill-session 4
   93  loginctl list-sessions
   94  systemctl cat httpd.service
   95  systemctl list-dependencies httpd.service
   96  systemctl disable --now httpd.service
   97  dnf install -y vsftpd
   98  systemctl cat httpd.service
   99  systemctl edit httpd.service
  100  systemctl enable --now httpd.service
  101  ps aux | grep vsft
  102  systemctl status vsftpd.service
  103  systemctl status httpd
  104  systemctl stop vsftpd
  105  systemctl status httpd
  106  systemctl start httpd
  107  ps aux | grep vsft
  108  kill -9 6328
  109  systemctl status httpd
  110  ps aux | grep vsft
  111  cd
  112  cd /etc/systemd/system/
  113  vim sleep.service
  114  cp /usr/lib/systemd/system/sshd.service sleep.service
  115  vim sleep.service
  116  systemctl enable --now sleep.service
  117  systemctl status sleep.service
  118  kill -9 6657
  119  systemctl status sleep.service
  120  systemd-analyze security sshd.service
  121  systemd-analyze security httpd.service
  122  systemd-analyze --help
  123  systemd-analyze blame
  124  vim /etc/fstab
  125  history
  126  cd
  127  cd /run/systemd/generator
  128  ls
  129  cat boot.mount
  130  cp boot.mount /etc/systemd/system
  131  cp 'dev-mapper-rl\x2dswap.swap' /etc/systemd/system
  132  cp '-.mount' /etc/systemd/system
  133  cp -- '-.mount' /etc/systemd/system
  134  cd /etc/systemd/system/
  135  ls *mount
  136  ls -- *mount
  137  ls *.swap
  138  systemctl list-dependencies
  139  pwd
  140  vim boot.mount
  141  systemctl cat sshd.service
  142  vim boot.mount
  143  vim -- '-.mount'
  144  systemctl enable boot.mount
  145  systemctl enable '-.mount'
  146  systemctl enable -- '-.mount'
  147  pwd
  148  ls
  149  vim 'dev-mapper-rl\x2dswap.swap'
  150  systemctl enable 'dev-mapper-rl\x2dswapswap'
  151  systemctl enable 'dev-mapper-rl\x2dswap.swap'
  152  cd
  153  mv /etc/fstab /etc/fstab.bak
  154  vim /etc/default/grub
  155  grub2-mkconfig -o /boot/grub2/grub.cfg
  156  reboot
  157  mount
  158  mount -o remount,rw /
  159  cd /etc
  160  ls
  161  cp fstab.bak fstab
  162  reboot
  163  cd /etc/systemd/system/
  164  vim -- '-.mount'
  165  cd
  166  cd systemd/
  167  ls
  168  cat stress1.service
  169  cat stress2.service
  170  lscpu
  171  cd /sys/
  172  ls
  173  cd bus
  174  ls
  175  cd cpu
  176  ls
  177  cd devices/
  178  ls
  179  cat cpu0/online
  180  cat cpu1/online
  181  echo 0 > cpu1/online
  182  lscpu
  183  cd
  184  cd systemd/
  185  cp stress* /etc/systemd/system/
  186  cat stress1.service
  187  cat stress2.service
  188  systemctl start stress1
  189  systemctl start stress2
  190  top
  191  systemctl set-property system.slice CPUShares=8192
  192  systemctl cat system.slic
  193  systemctl cat system.slice
  194  top
  195  systemctl stop stress1
  196  systemctl stop stress2
  197  history
  198  systemctl show user.slice
  199  systemctl show system.slice
  200  systemctl list-units -t slice
  201  systemctl set-property --runtime httpd CPUShare=20480
  202  systemctl set-property --runtime httpd CPUShares=20480
  203  systemctl set-property httpd CPUShares=20480
  204  systemctl cat httpd.service
  205  systemctl daemon-reload
  206  systemctl cat httpd.service
  207  systemctl show httpd.service
  208  systemctl stop httpd.service
  209  systemctl set-property httpd AllowedCPUs=1
  210  systemctl daemon-reload
  211  systemctl start httpd
  212  systemctl status httpd
  213  lscpu
  214  systemctl stop httpd.service
  215  systemctl show httpd.service
  216  systemctl set-property httpd MemoryMax=1M
  217  systemctl daemon-reload
  218  systemctl start httpd.service
  219  systemctl status httpd.service
  220  journalctl -u httpd
  221  journalctl
  222  systemctl disable --now httpd.service
  223  reboot
  224  top
  225  systemd-cgls
  226  systemd-cgtop
  227  lscpu
  228  history
  229  sleep 2; systemd/countdown 10
  230  history
  231  sleep 120; systemd/countdown 10
  232  systemctl list-unit-files -t timer
  233  systemctl cat fstrim.timer
  234  systemctl cat fstrim.service
  235  systemctl status *timer
  236  man systemd.timer
  237  cd systemd/
  238  ls
  239  cp *.???* /etc/systemd/system/
  240  cp -f *.???* /etc/systemd/system/
  241  cp --help
  242  alias
  243  unalias cp
  244  cp -f *.???* /etc/systemd/system/
  245  systemctl daemon-reload
  246  systemctl cat monitor.service
  247  systemctl cat monitor.timer
  248  systemctl start monitor.timer
  249  journalctl -S today -f -u monitor.service
  250  systemctl list-unit-files -t socket
  251  systemctl cat sshd.socket
  252  systemctl disable --now sshd.socket
  253  systemctl disable --now sshd.service
  254  systemctl status sshd.service
  255  systemctl enable sshd.socket
  256  ps aux | grep ssh
  257  ssh localhost
  258  ip a
  259  systemctl status sshd.socket
  260  systemctl start sshd.socket
  261  ps axu | grep ssh
  262  ssh localhost
  263  ps aux | grep ssh
  264  systemctl status sshd
  265  systemctl status sshd.socket
  266  yum install tftp-server
  267  systemctl cat tftp.service
  268  systemctl cat tftp.socket
  269  systemctl status xinetd
  270  systemctl status *socket
  271  cd
  272  vim /etc/exports
  273  systemctl enable --now nfs-server
  274  showmount -e localhost
  275  systemctl cat nfsdata.mount
  276  systemctl cat nfsdata.automount
  277  systemctl enable --now nfsdata.automount
  278  cd /
  279  ls
  280  mount | grep nfs
  281  cd nfsdata
  282  mount | grep nfs
  283  cd /
  284  mount | grep nfs
  285  machinectl pull-raw --verify=no https://download.fedoraproject.org/pub/fedora/linux/releases/31/Cloud/x86_64/images/Fedora-Cloud-Base-31-1.9.x86_64.raw.xz Fedora-Cloud-Base-31-1.9.x86-64
  286  dnf provides */mkfs.btrfs
  287  systemctl disable NetworkManager
  288  systemctl enable systemd-network
  289  systemctl enable NetworkManager
  290  dnf provides */systemd-networkd
  291  yum install epel-release
  292  yum install systemd-networkd
  293  systemctl disable NetworkManager
  294  systemctl enable systemd-networkd
  295  system enable systemd-resolved
  296  systemctl enable systemd-resolved
  297  rm /etc/resolv.conf
  298  ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
  299  mkdir /etc/systemd/network
  300  ip a
  301  cd /etc/systemd/network/
  302  ls
  303  vim 20-dhcp.network
  304  systemctl restart systemd-networkd
  305  ip a
  306  systemctl status systemd-networkd
  307  cat /etc/resolv.conf
  308  ping nu.nl
  309  systemctl restart systemd-resolvd
  310  systemctl restart systemd-resolved
  311  cat /etc/resolv.conf
  312  history