##### day 4 - autofs
[root@server1 ldap]# grep '^/' /etc/auto.master
/misc	/etc/auto.misc
/files	/etc/auto.files
/home/ldap	/etc/auto.ldap
/net	-hosts
[root@server1 ldap]# cat /etc/auto.files
data	-rw	192.168.4.248:/data
[root@server1 ldap]# cat /etc/auto.ldap
*	-rw	192.168.4.248:/home/ldap/&

##### 4 day command history
[root@server1 ~]# mkdir /profs/aprofs
mkdir: cannot create directory ‘/profs/aprofs’: No such file or directory
[root@server1 ~]# mkdir /data/aprofs
[root@server1 ~]# cd /data
[root@server1 data]# chown aana:aprofs aprofs
[root@server1 data]# chmod 1770 aprofs/
[root@server1 data]# ls -l
total 0
drwxrwx--T. 2 aana aprofs    6 Sep  4 19:14 aprofs
drwxrws--T. 2 anna profs     6 Sep  3 16:03 profs
drwxrws--T+ 3 anna students 35 Sep  3 16:13 students
[root@server1 data]# crontab -e
no crontab for root - using an empty one
crontab: installing new crontab
[root@server1 data]# vim /etc/crontab
[root@server1 data]# history
    1  ls -il /etc/hosts myhosts
    2  ln -s /etc/hosts myshosts
    3  ls -il /etc/hosts myhosts myshosts
    4  cat myshosts
    5  rm /etc/hosts
    6  cat myhosts
    7  cat myshosts
    8  ls -il /etc/hosts myhosts myshosts
    9  ln myhosts /etc/hosts
   10  history
   11  ln /etc myetc
   12  ln -s /etc myetc
   13  ln /boot/vmlinuz-4.18.0-193.el8.x86_64 mykernel
   14  ln -s /boot/vmlinuz-4.18.0-193.el8.x86_64 mykernel
   15  history
   16  mount
   17  mount | grep '^/'
   18  cd /boot
   19  ls
   20  cd /
   21  umount /dev/sda1
   22  cd boot
   23  ls
   24  cd ..
   25  mount /dev/sda1 /boot
   26  ls
   27  cd boot
   28  ls
   29  mount /dev/sdb1 /mnt
   30  man -k user
   31  man man
   32  man apropos
   33  mandb
   34  man -k user
   35  man -k user | wc
   36  man man
   37  man -k user | grep 8
   38  man -k user | grep 8 | wc
   39  man useradd
   40  man ls
   41  info '(coreutils) ls invocation'
   42  find / -name "hosts"
   43  find / -name "*hosts*"
   44  find / -user linda
   45  find / -size +106M
   46  find / -size +106M 2>/dev/null
   47  exit
   48  history
   49  less /etc/passwd
   50  less /etc/shadow
   51  man 5 shadow
   52  passwd --help
   53  vim /etc/login.defs
   54  cd /etc/skel
   55  ls -a
   56  echo hello >hello.txt
   57  pwd
   58  useradd bill
   59  grep bill /etc/passwd
   60  grep bill /etc/shadow
   61  passwd --help
   62  passwd -l linda
   63  grep linda /etc/passwd
   64  grep linda /etc/shadow
   65  passwd -u linda
   66  chage linda
   67  grep linda /etc/shadow
   68  vim /etc/login.defs
   69  groupadd students
   70  groupadd profs
   71  useradd -G sales lisa
   72  useradd -G students lisa
   73  useradd -G students linda
   74  usermod -aG student linda
   75  useradd -G profs anna
   76  useradd -G profs anouk
   77  useradd --help
   78  usermod --help
   79  grep student /etc/groups
   80  grep student /etc/group
   81  id linda
   82  usermod -G students linda
   83  usermod --help
   84  vigr
   85  cd
   86  su - linda
   87  mkdir /data/profs
   88  mkdir /data/profs -p
   89  cd /data
   90  ls -l
   91  chown profs profs
   92  chgrp profs profs
   93  ls -l
   94  chmod 770 profs/
   95  cd /home/linda
   96  touch rootfile1
   97  touch rootfile2
   98  touch rootfile3
   99  su - linda
  100  pwd
  101  vim playme
  102  ls -l
  103  chmod +x playme
  104  su - linda
  105  chmod u+s playme
  106  ls -l
  107  su - linda
  108  vim playme
  109  su - linda
  110  ls -l /etc/shadow
  111  ls -l $(which passwd)
  112  find / -perm /4000
  113  mkdir -p /data/profs
  114  cd /data
  115  ls -l
  116  su - anouk
  117  usermod -aG profs anouk
  118  id anna
  119  cd profs/
  120  su - anouk
  121  su - anna
  122  chmod g+s .
  123  ls -l .
  124  ls -ld .
  125  touch root
  126  ls -l
  127  su - anouk
  128  su - anna
  129  chmod +t .
  130  ls -ld .
  131  su - anna
  132  chown anna .
  133  ls -ld .
  134  su - anna
  135  cd /data/nna
  136  cd /home/anna/
  137  touch hello
  138  ls -l
  139  ls -ld .
  140  cd /data/student
  141  mkdir /data/students
  142  chown :students /data/students
  143  cd /data
  144  ls -l
  145  chmod 3770 students/
  146  ls -l
  147  chmos o+x students/
  148  chmod o+x students/
  149  ls -l
  150  chmod g-x students
  151  ls -l
  152  chmod 3770 students/
  153  ls -l
  154  chmod -t *
  155  ls -l
  156  cd students/
  157  touch rootfile
  158  chmod 000 rootfile
  159  su - lisa
  160  cd
  161  countdown 12
  162  cd /data
  163  ls -l
  164  tree
  165  su - anna
  166  su - lisa
  167  tree
  168  cd students/
  169  ls -l
  170  cd ..
  171  getfacl -m -R g:profs:rx /data/students
  172  setfacl -m -R g:profs:rx /data/students
  173  setfacl -R -m g:profs:rx /data/students
  174  ls -l /data/students/
  175  getfacl students/
  176  getfacl students/lisa1
  177  man setfacl
  178  setfacl -R -x g:profs students/
  179  ls -l /data/students/
  180  getfacl students/
  181  setfacl -R -m g:profs:rX /data/students
  182  getfacl students/
  183  ls -l students/
  184  su - linda
  185  ls -l students/
  186  getfacl students/lisa1
  187  getfacl students/lindapaper
  188  history
  189  setfacl -m d:g:profs:rx /data/students
  190  getfacl students/
  191  su - linda
  192  getfacl students/ldain2
  193  history
  194  getfacl students/
  195  yum repolist
  196  cd /etc/yum.repos.d/
  197  ls
  198  rm -f *
  199  yum repolist
  200  yum install nmap
  201  cd
  202  dd if=/dev/sr0 of=/centos8.iso bs=1M
  203  cd /
  204  ls -l
  205  df -h
  206  mkdir /repo
  207  vim /etc/fstab
  208  ls /repo
  209  ls /repo/
  210  mount -a
  211  ls /repo/
  212  yum repolist
  213  cd repo
  214  ls
  215  cd BaseOS/
  216  ls
  217  ls Packages/
  218  ls repodata/
  219  cd ../AppStream/
  220  ls
  221  cd /etc/yum.repos.d/
  222  vim base.repo
  223  vim appstream.repo
  224  yum repolist
  225  yum search nmap
  226  yum install nmap
  227  vim appstream.repo
  228  countdown 12
  229  cd
  230  yum search seinfo
  231  yum provides */seinfo
  232  yum install setools-console
  233  ls -l $(which dnf)
  234  ls -l $(which yum)
  235  yum module list
  236  yum module provides python
  237  yum module provides python3
  238  yum module provides httpd
  239  yum module info httpd
  240  yum module provides python36
  241  yum module list
  242  yum module list virt
  243  yum module list php
  244  yum module install php:7.3/minimal
  245  lsblk
  246  poweroff
  247  lsblk
  248  fdisk /dev/sda
  249  lsblk
  250  mkfs.xfs /dev/sda3
  251  mkdir /files
  252  vim /etc/fstab
  253  mount -a
  254  cd /
  255  ls
  256  ls -l
  257  date
  258  umount /files
  259  vim /etc/fstab
  260  ls
  261  history | grep mkdir
  262  mount -a
  263  history
  264  mount -a
  265  mkdir /myfiles
  266  mount -a
  267  mount
  268  countdown 12
  269  fdisk /dev/sda
  270  lsblk
  271  cat /proc/partitions
  272  reboot
  273  lsblk
  274  yum search btrfs
  275  yum install epel-release
  276  mkfs.xfs /dev/sda5
  277  mkfs.ext4 /dev/sda6
  278  mkdir /xfs /ext4
  279  vim /etc/fstab
  280  mount -a
  281  umount /xfs
  282  vi /etc/fstab
  283  fdisk /dev/sda
  284  reboot
  285  lsblk
  286  blkid
  287  tune2fs --help
  288  tune2fs -L goat /dev/sda5
  289  vim /etc/fstab
  290  xfs_admin --help
  291  reboot
  292  mount
  293  mount | grep '^/'
  294  blkid
  295  lsblk
  296  fdisk /dev/sda
  297  mount /dev/sda6 /xfs
  298  umount /xfs
  299  xfs_admin -L cow /dev/sda6
  300  vim /etc/fstab
  301  fdisk /dev/sda
  302  reboot
  303  history
  304  lsblk
  305  blkid
  306  cat /etc/fstab
  307  xxd /dev/sda5 | less
  308  xxd /dev/sda6 | less
  309  history
  310  cd /data
  311  ls
  312  rm -rf *
  313  mkdir profs students
  314  ls -l
  315  chgrp profs profs
  316  chgrp students students
  317  ls -l
  318  chown anna *
  319  ls -l
  320  chmod 3770 *
  321  ls -l
  322  setfacl -R -m g:profs:rX students/
  323  setfacl -m d:g:profs:rx students/
  324  setfacl students/
  325  getfacl students/
  326  cd students/
  327  su - lisa
  328  getfacl lisafile1
  329  su - lisa
  330  ls
  331  setfacl -m u:linda:rwx lisafile1
  332  getfacl lisafile1
  333  ip a
  334  ip addr add dev ens33 10.0.0.10/24
  335  ip a
  336  ifconfig
  337  ping 10.0.0.10
  338  man ifconfig
  339  ip -s link
  340  rpm -qf  $(which ifconfig)
  341  rpm -ql net-tools | grep bin
  342  yum remove -y net-tools
  343  ifconfig
  344  alias ifconfig='echo dude you REALLY should be using ip you know'
  345  ifconfig
  346  vim /etc/bashrc
  347  ip help
  348  ip route show
  349  ip route add 20.0.0.0/8 via 192.168.4.3
  350  ip route show
  351  nmtui
  352  ip a
  353  cd /etc/sysconfig/network-scripts/
  354  ls
  355  vim ifcfg-ens33
  356  cd
  357  yum install -y bash-completion
  358  nmcli connection edit ens33
  359  nmcli connection modify ens33
  360  nmcli connection modify ens33 ipv4.addresses 192.168.4.249/24
  361  nmcli connection down ens33
  362  nmcli connection up ens33
  363  ip a
  364  history
  365  nmcli connection down ens33; nmcli connection up ens33
  366  cfdisk /dev/sdb
  367  fdisk /dev/sda
  368  lsblk
  369  mkfs.ext4 /dev/sda7
  370  mkdir /dummyfiles
  371  vim /etc/fstab
  372  reboot
  373  vim /etc/fstab
  374  exit
  375  vim /etc/default/grub
  376  grub2-mkconfig -o /boot/grub2/grub.cfg
  377  reboot
  378  vim /etc/httpd/conf/httpd.conf
  379  systemctl restart httpd
  380  countdown 13
  381  lsblk
  382  fdisk /dev/sda
  383  lsblk
  384  pvcreate /dev/sda8
  385  pvs
  386  vgcreate vgdata /dev/sda8
  387  vgs
  388  vgcreate --help
  389  vgs
  390  lvcreate -L 500M -n lvdata vgdata
  391  lvcreate -l 124 -n lvdata vgdata
  392  lvs
  393  mkfs.ext4 /dev/vgdata/lvdata
  394  vim /etc/fstab
  395  mkdir /lvdata
  396  mount -a
  397  mount
  398  ls -l /dev/vgdata/lvdata /dev/mapper/vgdata-lvdata
  399  history
  400  xxd /dev/sda8 | less
  401  lvs
  402  lsblk
  403  mount
  404  df -h
  405  dd if=/dev/zero of=/lvdata/bigfile
  406  df -h
  407  mount | grep lvd
  408  vgs
  409  fdisk /dev/sda
  410  vgextend vgdata
  411  vgextend vgdata /dev/sda9
  412  vgs
  413  lvextend --help | less
  414  lvresize -L +300M -r /dev/mapper/vgdata-lvdata
  415  lvresize -L -100M /dev/mapper/vgdata-lvdata
  416  umount /lvdata
  417  mount -a
  418  lvresize -L +100M /dev/mapper/vgdata-lvdata
  419  mount -a
  420  lvresize -L -100M -r /dev/mapper/vgdata-lvdata
  421  history
  422  free -m
  423  fdisk /dev/sda
  424  mkswap /dev/sda10
  425  vim /etc/fstab
  426  blkid
  427  vim /etc/fstab
  428  swapon -a
  429  free -m
  430  swapon -s
  431  history
  432  countdown 12
  433  yum install -y httpd
  434  systemctl enable --now httpd
  435  ps aux
  436  ps Zaux | grep httpd
  437  ls -lZ /var/www
  438  ls -Zd /tmp
  439  mkdir /web
  440  vim /web/index.html
  441  ls -Zd /web
  442  ps Zaux | grep httpd
  443  vim /etc/httpd/conf/httpd.conf
  444  systemctl restart httpd
  445  curl http://localhost
  446  getenforce
  447  setenforce permissive
  448  curl http://localhost
  449  setenforce enforcing
  450  grep AVC /var/log/audit/audit.log
  451  vim /etc/sysconfig/selinux
  452  ls -ldZ /web
  453  ls -lZ /var/www
  454  man semanage-fcontext
  455  semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  456  ls -Zd /web
  457  cd /etc/selinux/targeted/contexts/files/
  458  ls
  459  cat file_contexts.local
  460  cd
  461  restorecon -Rv /web
  462  getenforce
  463  curl http://localhost
  464  history
  465  cd /web
  466  touch sander
  467  ls -Z sander
  468  getsebool -a | grep ftp
  469  yum install -y vsftpd
  470  vim /etc/vsftpd/vsftpd.conf
  471  getsebool -a | grep ftp
  472  setsebool -P ftpd_anon_write on
  473  countdown 12
  474  systemctl restart httpd
  475  systemctl status httpd
  476  grep sealert /var/log/messages
  477  sealert -l ba793854-1e51-4a86-a3f3-53f5927d4031 | less
  478  semanage port -a -t http_port_t -p tcp 82
  479  systemctl restart httpd
  480  systemctl status httpd
  481  grep sealert /var/log/messages
  482  sealert -l 7174898a-7207-4f0e-b938-c0b13d657334 | less
  483  semanage port -l
  484  semanage port -l | grep 80 | less
  485  reboot
  486  systemctl status sshd
  487  lsblk -f
  488  systemctl -t help
  489  systemctl -t target
  490  systemctl status vsftpd
  491  systemctl cat vsftpd.service
  492  systemctl enable --now vsftpd
  493  systemctl status vsftpd
  494  systemctl get-default
  495  systemctl set-default multi-user.target
  496  reboot
  497  systemctl list-units
  498  systemctl start rescue.target
  499  systemctl list-units
  500  reboot
  501  systemctl list-units
  502  systemctl set-default graphical.target
  503  systemctl start graphical.target
  504  mount 192.168.4.248:/data /mnt
  505  mount
  506  umount /mnt
  507  vim /etc/fstab
  508  mount -a
  509  mount
  510  vim /etc/fstab
  511  yum install -y autofs
  512  mount | grep repo
  513  systemctl status repo.mount
  514  systemctl start repo.mount
  515  vim /etc/systemd/system
  516  systemctl cat vsftpd.service
  517  vim /etc/systemd/system/repo.mount
  518  systemctl enable repo.mount
  519  yum install -y autofs
  520  cd /etc
  521  vim auto.master
  522  vim auto.misc
  523  vim auto.master
  524  vim auto.files
  525  ls /
  526  rm -f files
  527  grep files /etc/fstab
  528  systemctl restart autofs
  529  ls /
  530  cd /files
  531  ls -a
  532  cd data
  533  pwd
  534  mount
  535  vim /etc/auto.master
  536  vim /etc/auto.ldap
  537  systemctl restart autofs
  538  cd /home
  539  ls
  540  cd ldap
  541  ls -a
  542  cd ldapuser1
  543  cd ..
  544  cd ldapuser2
  545  pwd
  546  cd ..
  547  ls
  548  grep '^/' /etc/auto.master
  549  cat /etc/auto.files
  550  cat /etc/auto.ldap
  551  cat /etc/mtab
  552  ls -l /etc/mtab
  553  countdown 8
  554  countdown 41
  555  cd
  556  ln -s /etc/hosts /tmp/myhosts
  557  vim /etc/defaults
  558  vim /etc/login.defs
  559  cd /etc/skel/
  560  ls
  561  touch myfile
  562  useradd sharon
  563  grep sharon /etc/shadow
  564  ls /home/sharon/
  565  find / -size +100M > /tmp/bigfiles
  566  vgs
  567  vgextend vgdata /dev/sdd
  568  vgs
  569  cd
  570  lvcreate -L 500M -n lv500 vgdata
  571  lvs
  572  mkfs.ext3 -L myvolume /dev/vgdata/lv500
  573  vim /etc/fstab
  574  mkdir /myvol
  575  mount -a
  576  yum provides */sealert
  577  groupadd aprofs
  578  useradd -G aprofs aana
  579  mkdir /profs/aprofs
  580  mkdir /data/aprofs
  581  cd /data
  582  chown aana:aprofs aprofs
  583  chmod 1770 aprofs/
  584  ls -l
  585  crontab -e
  586  vim /etc/crontab
  587  history