systemd sep20

USER COMMANDS
 135  sudo cp /root/performance/stress1.service .
  136  sudo chown student stress1.service
  137  cp stress1.service demo.service
  138  vim demo.service
  139  systemctl enable demo.service
  140  systemctl --user enable demo.service
  141  vim demo.service
  142  systemctl --user enable demo.service
  143  systemctl --user start demo.service
  144  systemctl --user status demo.service
  145  sudo loginctl status student
  146  sudo loginctl -h
  147  sudo loginctl show-user student
  148  sudo loginctl enable-linger student
  149  sudo loginctl disable-linger student
  150  sudo loginctl enable-linger student
  151  podman run -d name mynginx -p 8080:80 nginx
  152  podman run -d name mynginx2 -p 8080:80 nginx
  153  podman run -d --name mynginx2 -p 8080:80 nginx
  154  id
  155  podman ps
  156  podman generate systemd --name mynginx2 --files
  157  vim container-mynginx2.service
  158  systemctl --user enable container-mynginx2.service
  159  systemctl --user status container-mynginx2.service
  160  history

UNIT FILES
[student@podman user]$ cat demo.service
[Unit]
Description=demo user functionality

[Service]
Type=simple
ExecStart=sleep 3600

[Install]
WantedBy=multi-user.target

ROOT COMMANDS
[root@podman systemd]# history
    1  ip a
    2  exit
    3  ls -lZd /webfiles/
    4  exit
    5  cd /var/lib/containers/
    6  ls
    7  cd sigstore/
    8  ls
    9  cd ../..
   10  systemctl -t help
   11  systemctl list-units -t target
   12  systemctl -t help
   13  cd /usr/lib/systemd/system
   14  ls
   15  systemctl cat sshd.service
   16  kill -9 $(pidof sshd)
   17  systemctl status sshd.service
   18  pwd
   19  cd /etc/systemd/system/
   20  ls
   21  cd /run/systemd/system/
   22  ls
   23  man -k systemd
   24  man systemd.service
   25  systemctl status sshd.service
   26  systemctl cat sshd
   27  history
   28  man 7 systemd.directives
   29  systemctl -t help
   30  man systemd.swap
   31  man -k systemd
   32  systemctl cat sshd.service
   33  systemctl edit sshd.service
   34  export SYSTEMD_EDITOR=vim
   35  systemctl edit sshd.service
   36  vim /etc/bashrc
   37  systemctl cat sshd.service
   38  systemctl show --all sshd.service
   39  history
   40  systemctl -t target list-unit-files
   41  systemctl get-default
   42  systemctl cat multi-user.target
   43  systemctl cat bluetooth.target
   44  grep AllowIsolate=yes *
   45  grep 'AllowIsolate=yes' *
   46  grep 'AllowIsolate=yes' -- *
   47  pwd
   48  cd /usr/lib/systemd/system
   49  grep 'AllowIsolate=yes' *
   50  grep 'AllowIsolate=yes' * 2>/dev/null
   51  systemctl isolate emergency.target
   52  systemctl list-units
   53  systemctl isolate rescue.target
   54  systemctl list-units
   55  mount
   56  systemctl isolate reboot
   57  systemctl start graphical.target
   58  yum install -y httpd vsftpd
   59  systemctl status httpd
   60  systemctl enable httpd
   61  cd /etc/systemd/system/
   62  ls
   63  cd multi-user.target.wants/
   64  \ls -l
   65  systemctl cat multi-user.target
   66  pwd
   67  cd ..
   68  ls
   69  cd basic.target.wants/
   70  ls
   71  cd
   72  systemctl list-dependencies
   73  history
   74  yum install -y git
   75  git clone https://github.com/sandervanvugt/luth
   76  cd luth
   77  ./countdown 12
   78  cd ..
   79  journalctl
   80  cd /etc/systemd/
   81  ls
   82  vim journald.conf
   83  mkdir /var/log/journal
   84  systemctl daemon-reload
   85  cd /var/log/journal/
   86  ls
   87  cd f45519db5ca9497dbcb080d9152e8454/
   88  ls
   89  cd
   90  cat  /etc/hosts | systemd-cat
   91  journalctl -F
   92  journalctl -f
   93  journalctl UNIT=sshd.service
   94  systemctl status sshd.service
   95  loginctl -h
   96  loginctl list-sessions
   97  ip a
   98  loginctl list-sessions
   99  loginctl kill-session 6
  100  loginctl list-sessions
  101  history
  102  systemctl cat httpd.service
  103  systemctl edit httpd.service
  104  systemctl cat httpd.service
  105  ps aux | grep ftp
  106  ps aux | grep http
  107  systemctl status httpd.service
  108  systemctl status vsftpd.service
  109  systemctl start httpd
  110  systemctl status httpd
  111  systemctl status vsftpd
  112  git clone https://github.com/sandervanvugt/linperf
  113  git clone https://github.com/sandervanvugt/performance
  114  cd performance/
  115  ls
  116  vim stress1.service
  117  vim stress2.service
  118  pwd
  119  cp stress* /etc/systemd/system/
  120  systemctl status stress1.service
  121  systemctl start stress1.service
  122  systemctl start stress2.service
  123  systemctl cat stress1.service
  124  systemctl cat stress2.service
  125  lscpu
  126  top
  127  cd /sys/
  128  ls
  129  cd bus
  130  ls
  131  cd cpu/
  132  ls
  133  cd devices/
  134  ls
  135  ls cpu0/
  136  pwd
  137  echo 0 > cpu1/online
  138  lscpu
  139  top
  140  systemctl stop stress*
  141  systemctl status stress*
  142  systemctl status stress1
  143  top
  144  pwd
  145  echo 1 > cpu1/online
  146  history
  147  exit
  148  systemd-analyze security httpd.service
  149  systemd-analyze security sshd.service
  150  systemd-analyze blame
  151  history
  152  luth/countdown 12
  153  cat /etc/fstab
  154  poweroff
  155  cat /etc/fstab
  156  cd /run/systemd/
  157  ls
  158  cd generator/
  159  ls
  160  systemctl cat boot.mount
  161  vim '-.mount'
  162  vim -- '-.mount'
  163  mkfs.xfs /dev/sdb
  164  mkdir /files
  165  vim files.mount
  166  systemctl start files.mount
  167  systemctl status files.mount
  168  pwd
  169  lls
  170  ls
  171  systemctl stop files.mount
  172  mv files.mount /etc/systemd/system/
  173  systemctl daemon-reload
  174  systemctl enable --now filesmount
  175  systemctl enable --now files.mount
  176  systemctl status files.mount
  177  cd
  178  git clone https://github.com/sandervanvugt/systemd
  179  cd systemd/
  180  ls
  181  vim nfsdata.mount
  182  vim /etc/exports
  183  systemctl start nfs-server
  184  vim /etc/exports
  185  systemctl start nfs-server
  186  systemctl status nfs-server
  187  systemctl stop nfs-server
  188  vim /etc/exports
  189  systemctl start nfs-server
  190  systemctl status nfs-server
  191  cat nfsdata.mount
  192  cat nfsdata.automount
  193  pwd
  194  cp nfs* /etc/systemd/system/
  195  mkdir /nfsdata
  196  systemctl enable nfsdata.automount
  197  systemctl start nfsdata.automount
  198  systemctl status nfsdata.automount
  199  cd /nfsdata
  200  ls
  201  systemctl status nfsdata.automount
  202  cd /etc/systemd/system/
  203  cat nfsdata.mount
  204  cat nfsdata.automount
  205  systemctl cat fstrim.timer
  206  systemctl cat fstrim.service
  207  systemctl enable fstrim.timer
  208  cd
  209  cd systemd/
  210  cat monitor.service
  211  cat monitor.timer
  212  cp monitor.* /etc/systemd/system
  213  systemctl daemon-reload
  214  systemctl enable --now monitor.timer
  215  date
  216  journalctl -S today -f  -u monitor.service
  217  systemctl status *timer
  218  ls
  219  yum install -y tftp-server
  220  systemctl status *socket
  221  systemctl cat tftp.socket
  222  systemctl cat tftp.service
  223  systemctl set-property --runtime MemoryLimit=4M sshd.service
  224  systemctl set-property --runtime MemoryLimit=4 sshd.service
  225  systemctl set-property --runtime MemoryMax=4 sshd.service
  226  systemctl show sshd.service | grep emory
  227  man -k systemd | grep resource
  228  history