linfun feb23 day2

[root@localhost ~]# history
    1  whoami
    2  exit
    3  cd /var/log
    4  pwd
    5  exit
    6  history
    7  cd /proc/pid
    8  cd /proc/454/
    9  ls
   10  c dns
   11  cd ns
   12  ls
   13  tree
   14  lsns
   15  d ..
   16  cd ..
   17  ls
   18  cat cgroup
   19  cgls
   20  ldd $(which system-cgls)
   21  ldd $(which systemd-cgls)
   22  cd
   23  exit
   24  mkdir /root/bob; find / -user bob -exec cp -a {} /root/bob/ \;
   25  ls -a /root/bob/
   26  exit
   27  tar -cvf archive.tar /home
   28  tar -tvf archive.tar
   29  tar -xvf archive.tar
   30  ls
   31  tar -xvf archive.tar  -C /tmp
   32  ls -l /tmp
   33  tar -czvf archive.tar.gz /home
   34  tar -cjvf archive.tar.bz /home
   35  tar -cJvf archive.tar.xz /home
   36  ls -l archive.tar*
   37  history
   38  exit
   39  history
   40  man cp
   41  mkdir -p /tmp/files/pictures /tmp/files/photos /tmp/files/videos
   42  cp /etc/[abc]* /tmp/files
   43  cd /tmp/files
   44  mv [ab]* photos/
   45  ls
   46  mv c* videos/
   47  man find
   48  find /etc -size -1000c
   49  find /etc -size -1000c -exec cp {} pictures/
   50  find /etc -size -1000c -exec cp {} pictures/ \;
   51  ln -s /var .
   52  ls
   53  ls -l
   54  tar -czvf home.tgz /home
   55  pwd
   56  mkdir ../archive
   57  tar -xvf home.tgz -C ../archive/
   58  ls ../archive/
   59  tree ../archive/
   60  history
   61  nano easy
   62  vimtutor
   63  vim newfile
   64  less /var/log/messages
   65  more /var/log/messages
   66  head /etc/passwd
   67  head -5 /etc/passwd
   68  head -5 /etc/passwd | tail -2
   69  cat /var/log/messages
   70  cat /var/log/messages | less
   71  ls
   72  cat newfile
   73  tac newfile
   74  grep lisa /etc/*
   75  grep lisa /etc/* 2>/dev/null
   76  grep -l lisa /etc/* 2>/dev/null
   77  ps aux | grep ssh
   78  ps aux | grep ssh | grep -v grep
   79  grep -i allow /etc/ssh/sshd_config
   80  grep -i -A 5 allow /etc/ssh/sshd_config
   81  grep -i -A 5 -B 5 allow /etc/ssh/sshd_config
   82  grep -i -C 5 allow /etc/ssh/sshd_config
   83  cd
   84  vim simpletextfile
   85  grep 'anna' simpletextfile
   86  grep '^anna' simpletextfile
   87  grep 'anna$' simpletextfile
   88  grep '^anna$' simpletextfile
   89  vim simpletextfile
   90  grep '^$' simpletextfile
   91  vim simpletextfile
   92  grep '^anna\b' simpletextfile
   93  grep 'b.*t' simpletextfile
   94  vim simpletextfile
   95  grep 'b.*t' simpletextfile
   96  grep 'b.+t' simpletextfile
   97  grep -E 'b.+t' simpletextfile
   98  grep -E 'b.?t' simpletextfile
   99  vim simpletextfile
  100  grep 'b.*t' simpletextfile
  101  grep 'b*t' simpletextfile
  102  man semanage-fcontext
  103  grep 'bo\{7\}t' simpletextfile
  104  grep 'bo\{6\}t' simpletextfile
  105  history
  106  cat simpletextfile
  107  cut /etc/passwd
  108  cut -f 1 /etc/passwd
  109  cut -f 1 -d : /etc/passwd
  110  cut -f 1 -d : /etc/passwd | sort
  111  echo hello | tr [:lower:] [:upper:]
  112  echo hello | tr [a-z] [A-Z]
  113  sed -n 5p /etc/passwd
  114  grep old *
  115  cd /home/student/
  116  grep old *
  117  cd
  118  vim afile
  119  sed -i 's/old/new/g' afile
  120  cat afile
  121  sed -i -e '2d' afile
  122  cat afile
  123  echo hello >file{1..10}.txt
  124  for i in file{1..10}; do echo hello > $i; done
  125  cat file9
  126  cat file4
  127  for i in file*; do sed -i 's/hello/goedemiddag/' $i; done
  128  cat file3
  129  akw -F : '{ print $4 }' /etc/passwd
  130  awk -F : '{ print $4 }' /etc/passwd
  131  awk -F : '/lisa/ { print $4 }' /etc/passwd
  132  awk -F : '$3 > 999 { print $1 }' /etc/passwd
  133  awk -F : '$3 < 999 { print $1 }' /etc/passwd
  134  ls
  135  ls > outfile
  136  cat outfile
  137  whoami > outfile
  138  cat outfile
  139  ls -l >> outfile
  140  cat outfile
  141  grep root /etc/*
  142  grep root /etc/* 2>/dev/null
  143  grep root /etc/* 2>/dev/null > results.out
  144  less results.out
  145  grep root /etc/* 2> errors.txt > results.out
  146  less errors.txt
  147  grep root /etc/* &> all.txt
  148  less all.txt
  149  ps aux | tee psfile | grep ssh
  150  ps aux | tee psfile | grep ssh > out.txt
  151  akw -F : '{ print $4 }' /etc/passwd
  152  whoami > outfile
  153  grep root /etc/* 2>/dev/null
  154  useradd anna
  155  echo password | passwd --stdin anna
  156  history
  157  history -d 151
  158  touch kgkgiugugfuiygfuifguyfuyfuytfuyfytrsrtdyfghhjikuhik
  159  rm kgkgiugugfuiygfuifguyfuyfuytfuyfytrsrtdyfghhjikuhik
  160  env
  161  echo $DEBUGINFOD_URLS
  162  ip addr show
  163  dnf install bash-completion
  164  echo color=red
  165  color=red
  166  echo $color
  167  alias
  168  ps aux | grep ssh
  169  alias sander='echo hello there'
  170  sander
  171  vim /etc/bashrc
  172  sleep 3600
  173  vim /etc/profile
  174  cd /etc/profile.d/
  175  ls
  176  cd
  177  ls -a
  178  history
  179  cd /etc/profile.d/
  180  vim all.sh
  181  jobs
  182  cd
  183  sleep infinity
  184  bg
  185  sleep 1000 &
  186  jobs
  187  fg 1
  188  jobs
  189  fg
  190  while true; do true; done &
  191  top
  192  dd if=/dev/zero of=/dev/null &
  193  top
  194  ps aux | grep dd
  195  kill 47125
  196  kill -9 47125
  197  dnf install nmap
  198  dnf search http
  199  useradd linda
  200  passwd linda
  201  ls -l /usr/local/bin/countdown
  202  groupadd sales
  203  useradd -G sales anna
  204  usermod -G sales anna
  205  usermod -G sales linda
  206  id anna
  207  mkdir /data/sales
  208  mkdir -p /data/sales
  209  ls -ld /data/sales
  210  chgrp sales /data/sales
  211  chmod 770 /data/sales
  212  ls -ld /data/sales
  213  ip addr show
  214  ip a
  215  ping 192.168.29.155
  216  lsblk
  217  mount | grep tmp
  218  systemctl cat tmp.mount
  219  mkdir /test
  220  mount tmpfs /test
  221  systemctl cat tmp.mount
  222  mount -o nodev tmpfs /test
  223  lsblk
  224  umount /dev/sr0
  225  lsblk
  226  mount /dev/sr0 /mnt
  227  cd /mnt
  228  ls
  229  umount /mnt
  230  lsof /mnt
  231  cd
  232  lsof /mnt
  233  umount /mnt
  234  journalctl
  235  cd /var/log
  236  ls -l
  237  cd
  238  history