LFCS june23 day1

root@june-lfcs:~# history
    1  apt-file update
    2  apt-file search nfs-server
    3  apt install nfs-kernel-server
    4  history
    5  exit
    6  history
    7  #dnf provides */nfs-server
    8  #yum provides */nfs-server
    9  man -k user
   10  man -k user | grep 8
   11  man -k sander
   12  updatedb
   13  mandb
   14  vim countdown
   15  bash countdown 4
   16  cat /etc/passwd
   17  ls -l /home
   18  which nologin
   19  id
   20  id student
   21  useradd --help | less
   22  useradd -m isabelle
   23  id isabelle
   24  ls -l /home
   25  groupadd --help
   26  groupadd -g 9999 profs
   27  groupadd -g 9998 staff
   28  groupadd -g 9998 students
   29  useradd -m -G profs marcha
   30  id marcha
   31  useradd -m -s /usr/sbin/nologin lisa
   32  id lida
   33  id lisa
   34  grep lisa /etc/passwd
   35  id marcha
   36  usermod -G students marcha
   37  id marcha
   38  usermod -aG profs marcha
   39  id marcha
   40  passwd isabelle
   41  grep isabelle /etc/passwd
   42  grep isabelle /etc/shadow
   43  vim /etc/login.defs
   44  exit
   45  history
   46  vim go1.txt
   47  passwd marcha
   48  openssl passwd -6 salt pepper mypassword
   49  openssl passwd -6 -salt pepper mypassword
   50  useradd linda
   51  usermod -p $(openssl passwd -6 -salt pepper mypassword) linda
   52  grep linda /etc/shadow
   53  exit
   54  man -k ulimit
   55  find / -name "limits.conf"
   56  cd /etc/security/
   57  ls
   58  vim limits.conf
   59  history
   60  useradd -m lisa -s /bin/bash
   61  grep lisa /etc/shadow
   62  passwd lisa
   63  vim limits.conf
   64  su - lisa
   65  vim /etc/passwd
   66  su - lisa
   67  cd
   68  findmnt
   69  mount
   70  lsblk
   71  df -h
   72  du -hs
   73  du -hs /usr
   74  systemctl status sshd
   75  vim /etc/ssh/sshd_config
   76  su - lisa
   77  su - marcha
   78  history
   79  vim go2.txt
   80  man sshd_config
   81  cat /etc/shadow
   82  cat /etc/passwd
   83  cd /home/isabelle/
   84  ls -a
   85  su - isabelle
   86  ssh isabelle@localhost
   87  su - isabelle
   88  df -h
   89  vim /tmp/storage-use.txt
   90  cd
   91  lsblk
   92  df -h
   93  dd if=/dev/zero of=/diskfile bs=1M count=1024
   94  ls -l /dev/loop*
   95  losetup --help | less
   96  losetup -f /diskfil
   97  losetup --help
   98  losetup -l
   99  pvcreate /diskfile
  100  pvcreate /dev/loop3
  101  pvs
  102  vgcreate --help | less
  103  vgcreate vgdata /dev/loop3
  104  vgs
  105  lvcreate -n lvdata -L 600M vgdata
  106  lvs
  107  mkfs.ext4 /dev/vgdata/lvdata
  108  vim /etc/fstab
  109  mkdir /data
  110  mount -a
  111  df -h
  112  vgs
  113  lvextend -r -L +100M /dev/vgdata/lvdata
  114  df -h
  115  history
  116  tail -5 /etc/fstab
  117  vim go3.txt
  118  grep -e vmx -e svm /proc/cpuinfo
  119  poweroff
  120  bash countdown 15
  121  bash countdown 5
  122  vim countdown
  123  bash countdown 15 "lab monitoring storage and lab ssh"
  124  df -h
  125  bash countdown 2
  126  bash countdown 25 "to work on lab configuring LVM"
  127  loginctl show-user
  128  loginctl list-users
  129  loginctl list-sessions
  130  ps faux | less
  131  kill -9 5476
  132  vim /etc/ssh/sshd_config
  133  grep -e vmx -e svm /proc/cpuinfo
  134  apt install kvm* qemu* libvirt* virt*
  135  apt install kvm* qemu* libvirt*
  136  apt update
  137  apt upgrade
  138  apt install kvm* qemu* libvirt*
  139  apt install kvm* qemu* libvirt
  140  apt install kvm* qemu* libvirtd
  141  apt install kvm* qemu*
  142  top
  143  iostat
  144  apt install sysstat
  145  iostat
  146  lvs
  147  findmnt
  148  lsof /
  149  lsof / | wc -l
  150  apt install iotop
  151  iotop
  152  top
  153  ps faux | less
  154  kill -9 18953
  155  ps faux | less
  156  htop
  157  vmstat 2 5
  158  sar -A
  159  man sar
  160  systemctl status crond
  161  systemctl status cron
  162  ls /etc/cron*/
  163  vim /etc/cron.d/sysstat
  164  sar -A
  165  vim /etc/cron.d/sysstat
  166  date
  167  sleep 20
  168  sar -A
  169  vim /etc/cron.d/sysstat
  170  cd /var/log/sysstat/
  171  ls
  172  sar --help | less
  173  sar -u
  174  cd
  175  systemctl list-units -t timer
  176  vmstat --active
  177  vmstat
  178  iostat
  179  iostat --active
  180  iostat 2 5
  181  cd /boot
  182  lsof /boot
  183  kill 21337
  184  exit
  185  vim stress.sh
  186  chmod +x stress.sh
  187  ./stress.sh &
  188  top
  189  ./stress.sh &
  190  exit
  191  history