systemd nov20

[root@localhost system]# cat myunit.service
[Unit]

[Service]
Type=simple
ExecStart=sleep 3600
Restart=always
RestartSec=20s

[Install]
WantedBy=multi-user.target

########    1  sudo -i
    2  ls .config/
    3  mkdir -p .config/systemd/user
    4  sudo yum module install container-tools
    5  podman run -d --name mynginx -p 8080:80 nginx
    6  podman ps
    7  cd .config/systemd/user/
    8  podman generate systemd --name mynginx --files
    9  ls
   10  vim container-mynginx.service
   11  systemctl --user daemon-reload
   12  systemctl --user enable container-mynginx.service
   13  history
   14  sudo reboot
   15  systemctl --user status container-mynginx.service
   16  podman ps
   17  history

#########
[root@localhost ~]# history
    1  systemctl -t help
    2  systemd-analyze -h
    3  systemd-analyze blame
    4  systemd-analyze security sshd
    5  cd /usr/lib/systemd/system
    6  ls
    7  ls | wc
    8  pwd
    9  cd /etc/systemd/system/
   10  pwd
   11  ls
   12  cd /run/systemd/system/
   13  ls
   14  systemctl cat cron.service
   15  systemctl cat crond.service
   16  systemctl edit crond.service
   17  systemctl cat crond.service
   18  systemctl edit crond.service
   19  systemctl cat crond.service
   20  man 7 systemd.directives
   21  man systemd.service
   22  man -k systemd
   23  mandb
   24  man -k systemd
   25  man -k systemd | less
   26  export SYSTEMD_EDITOR=vim
   27  systemctl edit sshd.service
   28  vim /etc/profile.d/virocks.conf
   29  systemctl show --all crond
   30  systemctl cat crond
   31  systemctl show crond
   32  systemctl show --all crond
   33  rpm -qa | grep systemd
   34  systemctl -v
   35  systemctl --version
   36  cd /etc/
   37  cd systemd/
   38  ls
   39  vim system.conf
   40  cd system/
   41  ls
   42  cd ..
   43  pwd
   44  systemctl list-units -t target
   45  systemctl list-units
   46  systemctl list-units -t target
   47  cd /usr/lib/systemd/system
   48  grep -i isolate *.target
   49  systemctl list-dependencies
   50  systemctl get-default
   51  systemctl isolate multi-user.target
   52  systemctl list-dependencies
   53  systemctl isolate reboot.target
   54  yum install -y git
   55  git clone https://github.com/sandervanvugt/systemd
   56  git clone https://github.com/sandervanvugt/luth
   57  ls systemd/
   58  history
   59  history | less
   60  cd systemd/
   61  ./countdown 12
   62  vim /root/systemd/countdown
   63  ./countdown 12
   64  vim /root/systemd/countdown
   65  ./countdown 12
   66  pwd
   67  cd /usr/lib/systemd/
   68  ls *target
   69  ls
   70  cd system
   71  ls *target
   72  vim printer.target
   73  cd /etc/systemd/system/
   74  ls
   75  cd printer.target.wants/
   76  ls
   77  ls -l
   78  vim cups.service
   79  cd
   80  yum install -y httpd
   81  systemctl cat httpd.service
   82  systemctl status httpd.service
   83  systemctl enable --now httpd
   84  yum install -y nginx
   85  systemctl status nginx
   86  systemctl cat nginx
   87  systemctl mask nginx.service
   88  systemctl start nginx.service
   89  history
   90  systemctl edit httpd.service
   91  SYSTEMD_EDITOR=vim
   92  systemctl cat httpd.service
   93  vim /etc/ssh/sshd_config
   94  systemctl stop sshd; systemctl start sshd
   95  systemctl status sshd.service
   96  systemctl disable --now sshd.service
   97  systemctl status sshd.service
   98  systemctl start sshd.service
   99  systemctl status sshd.service
  100  vim /etc/ssh/sshd_config
  101  systemctl enable --now sshd
  102  yum install vsftpd
  103  systemctl cat httpd
  104  systemctl edit httpd
  105  systemctl cat httpd
  106  systemctl status httpd
  107  systemctl daemon-reload
  108  systemctl stop httpd
  109  ps aux | grep http
  110  ps aux | grep vsf
  111  systemctl start httpd
  112  ps aux | grep http
  113  ps aux | grep vsf
  114  kill -9 6853
  115  ps aux | grep http
  116  systemctl status httpd
  117  systemctl status vsftpd
  118  systemctl stop httpd
  119  systemctl start httpd
  120  systemctl list-dependencies
  121  systemctl cat httpd
  122  cd /etc/systemd/system/
  123  vim myunit.service
  124  systemctl cat httpd
  125  vim myunit.service
  126  systemctl status myunit.service
  127  systemctl start myunit.service
  128  systemctl status myunit.service
  129  systemctl enable myunit.service
  130  vim myunit.service
  131  systemctl cat httpd.service
  132  vim myunit.service
  133  systemctl cat sshd.service
  134  vim myunit.service
  135  systemctl enable myunit.service
  136  ps aux
  137  kill -9 7369
  138  systemctl status myunit.service
  139  cat myunit.service
  140  cd
  141  history
  142  systemd/countdown 12
  143  vim systemd/countdown
  144  cat /etc/fstab
  145  cd /run/systemd/generator/
  146  ls
  147  vim -.mount
  148  vim -- -.mount
  149  poweroff
  150  cd /run/systemd/generator/
  151  ls
  152  cp boot.mount /etc/systemd/system/data.mount
  153  fdisk /dev/sda
  154  mkfs.xfs /dev/sda3
  155  mkdir /data
  156  cd /etc/systemd/
  157  vim data.mount
  158  ls
  159  pwd
  160  cd system/
  161  ls
  162  vim data.mount
  163  systemctl enable --now data.mount
  164  vim data.mount
  165  systemctl daemon-reload
  166  systemctl enable --now data.mount
  167  mount
  168  cd /usr/lib/systemd/system
  169  ls *mount
  170  vim tmp.mount
  171  systemctl enable --now tmp.mount
  172  cd /tmp
  173  ls
  174  cd /
  175  cd
  176  cd systemd/
  177  ls
  178  vim nfsdata.mount
  179  vim nfsdata.automount
  180  vim /etc/exports
  181  systemctl enable --now nfs-server
  182  showmount -e localhost
  183  pwd
  184  vim nfsdata.mount
  185  mkdir /nfsdata
  186  systemctl enable nfsdata.automount --now
  187  cp nfsdata* /etc/systemd/system
  188  systemctl enable nfsdata.automount --now
  189  mount
  190  systemctl status nfsdata.mount
  191  cd /nfsdata/
  192  mount
  193  systemctl status nfsdata.mount
  194  cd
  195  cd systemd/
  196  ls
  197  lscpu
  198  cd /sys/bus/cpu/
  199  ls
  200  cd devices/
  201  ls
  202  echo 0 > cpu1/online
  203  pwd
  204  lscpu
  205  cd /root/systemd/
  206  vim stress1.service
  207  vim stress2.service
  208  cp stress* /etc/systemd/system/
  209  systemctl start stress1
  210  systemctl start stress2
  211  top
  212  loginctl list-users
  213  loginctl enable-linger student
  214  exit
  215  history
[root@localhost ~]#