LFCS june23

root@june-lfcs:~/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  ls
  192  countdown 20
  193  bash countdown 20
  194  bash countdown 5
  195  history
  196  poweroff
  197  bash countdown 3
  198  mkdir /root/anna ; find / -user anna -exec cp -r {} /root/anna \;
  199  useradd -m anna -s /bin/bash
  200  su - anna
  201  mkdir /root/anna ; find / -user anna -exec cp -r {} /root/anna \;
  202  ls /root/anna/
  203  su - anna
  204  ls /etc/cron*/
  205  vim /etc/crontab
  206  systemctl status cron
  207  ls -l /tmp/anna
  208  crontab -e
  209  date
  210  journalctl
  211  bash countdown 5
  212  ls
  213  countdown
  214  echo $PATH
  215  ./countdown
  216  chmod +x countdown
  217  ln countdown /usr/local/bin/
  218  countdown 10
  219  git clone https://github.com/ewxrjk/fingerd/
  220  cd fingerd/
  221  ls
  222  cd ..
  223  countdown 9
  224  cd fingerd/
  225  ls
  226  less README.md
  227  autoreconf -si
  228  apt install autoconf make gcc
  229  autoreconf -si
  230  ls
  231  ./configure
  232  ls
  233  make
  234  make install
  235  ls -l /usr/local/sbin/trivial.fingerd
  236  history
  237  cd
  238  systemctl list-unit-files
  239  apt-file search nfs-server.service
  240  systemctl status nfs-server
  241  showmount -e localhost
  242  showmount -e 192.168.29.140
  243  vim /etc/exports
  244  showmount -e localhost
  245  systemctl restart nfs-server
  246  showmount -e localhost
  247  vim /etc/exports
  248  systemctl restart nfs-server
  249  showmount -e localhost
  250  countdown 10
  251  history
  252  systemctl status ntp
  253  systemctl status ntpd
  254  systemctl list-unit-files ntp*
  255  apt search ntp
  256  apt-file search ntp
  257  apt-file search ntp.service
  258  apt install ntp
  259  vim /etc/ntp.conf
  260  systemctl status ntp
  261  ntpdate -q
  262  apt install ntpdate
  263  ntpdate -q
  264  ntpdate -q pool.ubuntu.org
  265  vim /etc/ntp.conf
  266  ntpdate -q 0.ubuntu.pool.ntp.org
  267  countdown 15
  268  history
  269  mkdir openssl
  270  cd openssl/
  271  openssl genrsa -des3 -out myCA.key 2048
  272  openssl req -x509 -new -nodes -key myCA.key -sha256 -days 3650 -out myCA.pem
  273  ls
  274  ls -l
  275  openssl genrsa -out tls.key 2048
  276  openssl req -new -key tls.key -out tls.csr
  277  ls -l
  278  openssl x509 -req -in tls.csr -CA myCA.pem -CAkey myCA.key -CAcreateserial -out tls.crt -days 1650 -sha256
  279  openssl x509 -in tls.crt -noout -text | less
  280  pwd
  281  cd /etc/pki/
  282  ls
  283  mkdir tls
  284  history
  285  cd
  286  cd lfcs
  287  git clone https://github.com/sandervanvugt/lfcs
  288  cd lfcs
  289  ls
  290  openssl x509 -noout -subject -nameopt multiline -in tls.crt
  291  less tls.crt
  292  strings tls.crt
  293  openssl x509 -noout -in tls.crt
  294  openssl x509 -noout -in tls.crt -text
  295  openssl x509 -noout -in tls.crt -text | less
  296  man openssl-x509
  297  apt install firewalld
  298  firewall-cmd --list-all
  299  firewall-cmd --get-services
  300  firewall-cmd --add-service jenkins
  301  firewall-cmd --list-all
  302  firewall-cmd --add-service jenkins --permanent
  303  man -k firewalld
  304  firewall-cmd --help | grep forward
  305  firewall-cmd --add-forward-port=port=80:proto=tcp:toport=8080
  306  firewall-cmd --list-all
  307  man firewalld.richlanguage
  308  history
  309  vim cb.sh
  310  sudo firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="172.19.0.0/16" forward-port to-port="8081" to-addr="127.0.0.1" protocol="tcp" port="80"'
  311  sudo firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" forward-port to-port="8088" to-addr="127.0.0.1" protocol="tcp" port="80"'
  312  history
  313  docker run nginx
  314  apt install docker.io
  315  docker run nginx
  316  docker run -d nginx
  317  docker ps
  318  docker run -d -p 8088:80 nginx
  319  docker ps
  320  curl localhost:8088
  321  docker stop b3d
  322  docker ps
  323  man -k docker
  324  man -k docker | wc -l
  325  man docker-run
  326  docker run -d mariadb
  327  docker ps
  328  docker ps -a
  329  docker logs nostalgic_swartz
  330  docker run -d -e MARIADB_ROOT_PASSWORD=password mariadb
  331  docker ps
  332  vim Dockerfile
  333  docker build -t alpmap:latest .
  334  docker images
  335  docker run alpmap
  336  docker ps
  337  docker ps -a
  338  history
  339  docker build -t alpmap:latest:latest .
  340  docker run -d -p 8080:80 --memory=256m --restart=unless-stopped nginx
  341  docker top
  342  docker top hungry_babbage
  343  docker ps
  344  docker inspect hungry_babbage | less
  345  cd /proc/sys
  346  ls
  347  cd vm
  348  ls
  349  cat swappiness
  350  echo 30 > swappiness
  351  cat swappiness
  352  sysctl -a | grep swapp
  353  vim /etc/sysctl.conf
  354  sysctl -a | grep ip_fo
  355  cd
  356  countdown 5
  357  cd lfcs
  358  ls
  359  ./run-apache2.sh
  360  systemctl status apache2
  361  systemctl restart apache2
  362  systemctl status apache2
  363  which apache2
  364  ls -l /usr/sbin/apache2
  365  chmod +r /usr/sbin/apache2
  366  chmod -x /usr/sbin/apache2
  367  systemctl restart apache2
  368  systemctl status apache2
  369  journalctl -u apache2
  370  systemctl status apache2
  371  ls -l /usr/sbin/apache2
  372  chmod +x /usr/sbin/apache2
  373  systemctl restart apache2
  374  systemctl status apache2
  375  chmod -r /usr/sbin/apache2
  376  systemctl restart apache2
  377  ls -l /usr/sbin/apache2
  378  history