[root@localhost ~]# history
    1  ps aux | less
    2  systemctl list-units | less
    3  systemctl -t help
    4  systemctl list-dependencies
    5  history
    6  systemctl list-dependencies
    7  cd /usr/lib/systemd/system
    8  ls
    9  vim sshd.service
   10  reset
   11  man systemd.service
   12  vim sshd.service
   13  ps aux | grep sshd
   14  systemctl start sshd
   15  systemctl status sshd
   16  kill -9 31286
   17  systemctl status sshd
   18  pwd
   19  cd /etc/systemd/system/
   20  ls
   21  cd
   22  yum install -y git
   23  git clone https://github.com/sandervanvugt/systemd
   24  ls
   25  cd systemd/
   26  ls
   27  cp "*.*" /etc/systemd/system
   28  cp *.* /etc/systemd/system
   29  cd /etc/systemd/system/
   30  ls
   31  systemctl status sleep.services
   32  systemctl status sleep.service
   33  cd /usr/lib/firewalld/services/
   34  ls
   35  cd /etc/firewalld/
   36  ls
   37  cd services/
   38  ls
   39  cd /run/systemd/system/
   40  ls
   41  cd ..
   42  ls
   43  pwd
   44  cd generator
   45  ls
   46  vim /etc/fstab
   47  ls
   48  vim boot.mount
   49  vim -.mount
   50  vim '-.mount'
   51  vim -- -.mount
   52  history
   53  systemctl cat sshd.service
   54  grep CRYPTO /etc/crypto-policies/back-ends/opensshserver.config
   55  vim /etc/sysconfig/sshd
   56  ps aux | grep syslo
   57  systemctl status rsyslog
   58  cd /usr/lib/systemd/system
   59  ls rsys*
   60  dnf search rsyslog
   61  journalctl
   62  pwd
   63  cd /etc/systemd/
   64  ls
   65  vim journald.conf
   66  mkdir /var/log/journal
   67  cd /var/log/journal/
   68  ls
   69  systemctl cat sshd.service
   70  man -k systemd
   71  man -k systemd | wc
   72  man 7 systemd.directives
   73  systemctl show sshd.service
   74  man systemd.path
   75  man systemd.exec
   76  cd
   77  cd systemd/
   78  ./countdown 12
   79  history
   80  systemctl edit sshd.service
   81  export SYSTEMD_EDITOR=vim
   82  systemctl edit sshd.service
   83  systemctl show sshd.service
   84  systemctl cat sshd.service
   85  systemctl edit sshd.service
   86  systemctl cat sshd.service
   87  systemctl restart sshd
   88  systemctl status sshd
   89  pwd
   90  systemctl status sshd.service
   91  systemctl enable sshd.service
   92  systemctl edit --full sshd
   93  systemctl cat multi-user.target
   94  cd /etc/systemd/system/
   95  ls
   96  cd multi-user.target.wants/
   97  ls
   98  \ls -l
   99  cd
  100  dnf install network-scripts
  101  rpm ql network-scripts
  102  rpm -ql network-scripts
  103  systemctl disable --now NetworkManager
  104  systemctl mask NetworkManager
  105  systemctl enable --now network
  106  cd /etc/systemd/system/
  107  ls -l | grep net
  108  ls -lrt
  109  cd multi-user.target.wants/
  110  ls -lrt
  111  cd /etc/rc.d/init.d/
  112  ls
  113  vim network
  114  systemctl status network
  115  systemctl start network
  116  systemctl status network
  117  pwd
  118  cd /etc/systemd/system/
  119  ls
  120  cd /usr/lib/systemd/system
  121  ls runlevel5.target
  122  ls -l runlevel5.target
  123  ls -l run*target
  124  systemctl start reboot.target
  125  vim /etc/default/grub
  126  reboot
  127  vim /etc/default/grub
  128  grub2-editenv
  129  cd /usr/lib/systemd/system
  130  ls *target
  131  systemctl list-unit-files -t target
  132  grep isolate *target
  133  grep -i isolate *target
  134  systemctl list-units | wc
  135  systemctl isolate emergency.target
  136  reboot
  137  udevadm monitor
  138  dnf install httpd vsftpd
  139  ip a
  140  ifup ens33
  141  systemctl disable --now network
  142  systemctl unmask NetworkManager
  143  systemctl enable --now NetworkManager
  144  ip a
  145  dnf install httpd vsftpd
  146  systemctl cat httpd.service
  147  systemctl edit httpd.service
  148  systemctl cat httpd.service
  149  ps aux | grep vsftp
  150  systemctl enable --now httpd
  151  ps aux | grep vsftp
  152  systemctl cat httpd.service
  153  cd systemd/
  154  ls
  155  vim sleep.service
  156  systemctl enable --now sleep.service
  157  systemctl start sleep.service
  158  systemctl status sleep.service
  159  systemctl cat stress1.service
  160  cd
  161  systemd-run sleep 3600
  162  journalctl -u run-r13fec86409e849e994d75c4391594c63.service
  163  systemctl-analyze --help
  164  systemd-analyze --help
  165  systemd-analyze security
  166  systemd-analyze blame
  167  dnf install -y nfs-utils
  168  vim /etc/exports
  169  systemctl enable --now nfs-server
  170  showmount -e localhost
  171  systemctl cat nfsdata.mount
  172  mkdir /nfsdata
  173  mount
  174  mount | grep '^/'
  175  systemctl start nfsdata.mount
  176  mount | grep '^/'
  177  mount
  178  systemctl stop nfsdata.mount
  179  systemctl cat nfsdata.automount
  180  systemctl enable --now nfsdata.automount
  181  mount
  182  cd /nfsdata
  183  mount
  184  cd ..
  185  sleep 10
  186  mount
  187  systemctl cat nfsdata.automount
  188  systemctl cat fstrim.timer
  189  systemctl cat fstrim.service
  190  systemctl cat fstrim.timer
  191  man systemd.timer
  192  systemctl cat fstrim.timer
  193  systemctl cat monitor.timer
  194  systemctl enable --now monitor.timer
  195  journalctl -S today -f -u monitor.service
  196  systemctl list-unit-files -t timer
  197  cd /etc/cron.d
  198  ls
  199  cd ../cron.daily/
  200  ls
  201  cd ../cron.weekly/
  202  ls
  203  cd
  204  systemctl status *timer
  205  yum install tftp-server
  206  systemctl cat tftp.service
  207  systemctl cat tftp.socket
  208  systemctl enable --now tftp.socket
  209  cd systemd/
  210  ./countdown 12
  211  rpm -qa | grep container
  212  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 FC
  213  machinectl list-images
  214  systemd-nspawn -M FC
  215  dnf -y --releasever=31 --installroot=/var/lib/machines/f31 --disablerepo='*' --enablerepo=fedora --enablerepo=updates install systemd passwd dnf fedora-release vim-minimal glibc-minimal-langpack
  216  cd /var/lib/machines/
  217  ls
  218  ls -l
  219  cd f31
  220  ls
  221  du -hs
  222  systemd-nspawn -a f31 passwd root
  223  cd ..
  224  systemd-nspawn -a f31 passwd root
  225  cd f31
  226  systemd-nspawn -bD /var/lib/machines/f31
  227  machinectl list
  228  machinectl list -a
  229  machinectl list-images
  230  machinectl status f31
  231  systemctl disable --now NetworkManager
  232  systemctl enable systemd-networkd
  233  systemctl enable systemd-resolved
  234  cd
  235  rm /etc/resolv.conf
  236  ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
  237  mkdir /etc/systemd/network
  238  cd /etc/systemd/network/
  239  ls
  240  vim 10-static-ens33.network
  241  systemctl start systemd-networkd
  242  systemctl start systemd-resolved
  243  systemctl status systemd-networkd
  244  ip a
  245  ping nu.nl
  246  cat /etc/resolv.conf
  247  vim 10-static-ens33.network
  248  cat /etc/resolv.conf
  249  systemctl restart systemd-resolved
  250  cat /etc/resolv.conf
  251  man systemd-resolved
  252  cd
  253  systemctl cat stress1.services
  254  systemctl cat stress1.service
  255  systemctl cat stress2.service
  256  systemctl start stress1
  257  systemctl start stress2
  258  lscpu
  259  cd /sys/devices/cpu/
  260  ls
  261  cd ../..
  262  ls
  263  cd bus
  264  ls
  265  cd cpu/
  266  ls
  267  cd devices/
  268  pwd
  269  ls
  270  cat cpu1/online
  271  echo 0 > cpu1/online
  272  lscpu | less
  273  top
  274  systemctl show system.slice
  275  systemctl set-property system.slice CPUShares=8192
  276  top
  277  systemd-run -p CPUQuota=1% dd if=/dev/zero of=/dev/null &
  278  top
  279  systemctl show stress1.service
  280  top
  281  ps aux | grep httpd
  282  systemctl set-property --runtime httpd MemoryLimit=1m
  283  systemctl set-property --runtime httpd MemoryLimit=1M
  284  ps aux | grep httpd
  285  systemctl status httpd.service
  286  systemd-cgtop
  287  systemd-cgls
  288  loginctl
  289  loginctl --help
  290  loginctl kill-session 1
  291  loginctl list-sessions
  292  loginctl kill-session 2
  293  history