linfun day2 nov22

[root@linfun ~]# history
    1  exit
    2  tar cvf etc.tar /etc
    3  ls -l
    4  tar czvf etc.tgz /etc
    5  ls -l
    6  tar cjvf etc.tgz /etc
    7  ls -l
    8  tar cJvf etc.tar.xz /etc
    9  ls -l
   10  ls
   11  tar -tvf etc.tgz
   12  mkdir /extracted; tar -xvf etc.tgz -C /extracted/
   13  ls -l /extracted/
   14  ls -l /extracted/etc/
   15  echo $PATH
   16  ln /usr/local/bin/countdown /usr/bin/countdown
   17  countdown 8
   18  mkdir /tmp/files/videos
   19  mkdir --help
   20  mkdir -p /tmp/files/videos /tmp/files/photos /tmp/files/pictures
   21  tree /tmp
   22  tree /tmp/files/
   23  cp /etc/[a-c]* /tmp/files/
   24  cd /tmp/files/
   25  ls
   26  mv [ab]* photos/
   27  mv c* videos/
   28  tree
   29  man find
   30  find /etc -size +1000c -exec ls -l {} \;
   31  find /etc -size -1000c -exec cp {} /tmp/files/pictures/ \;
   32  tree
   33  pwd
   34  ln -s /var .
   35  ls
   36  ls -l
   37  tar czvf home /home
   38  ls -l
   39  file home
   40  gunzip home
   41  gunzip --help
   42  mkdir /tmp/archive; tar xvf home -C /tmp/archive
   43  ls -l /tmp/archive/
   44  ls -l /etc/hosts
   45  ls -il /etc/hosts
   46  man find
   47  find / -inum 33621468
   48  #find / -inum 33621468 -exec rm -f {} \;
   49  find / -name "[a-c]*
   50  "
   51  cd /etc
   52  ls [a-c]*
   53  ls -d [a-c]*
   54  cd
   55  countdown 12
   56  vimtutor
   57  vim myfile
   58  less /var/log/messages
   59  head /etc/passwd
   60  head -3 /etc/passwd
   61  tail /etc/passwd
   62  tail /etc/passwd | head -1
   63  cat myfile
   64  tac myfile
   65  which passwd
   66  cat /bin/passwd
   67  reset
   68  strings /bin/passwd
   69  xxd /bin/passwd
   70  cd /etc
   71  grep lisa *
   72  grep lisa * 2>/dev/null
   73  grep -i lisa * 2>/dev/null
   74  grep -i lisa * 2>/dev/null | grep -v Localisa
   75  grep -il lisa * 2>/dev/null
   76  cd
   77  dnf install -y git
   78  git clone https://github.com/sandervanvugt/cka
   79  cd cka
   80  grep 'spec' *
   81  grep 'spec' rolling.yaml
   82  grep 'spec' -A 5 rolling.yaml
   83  cd
   84  vim regexfile
   85  cat regexfile
   86  grep '^lea' regexfile
   87  grep '^anna' regexfile
   88  grep 'anna$' regexfile
   89  grep '^anna$' regexfile
   90  grep '^anna\b' regexfile
   91  grep '^anna' regexfile
   92  cat regexfile
   93  grep 'b.*t' regexfile
   94  echo bot >> regexfile
   95  cat regexfile
   96  grep 'bo+t' regexfile
   97  grep -E 'bo+t' regexfile
   98  grep -E 'bo?t' regexfile
   99  grep 'bo\{2\}t' regexfile
  100  grep 'boot' regexfile
  101  man semanage-fcontext
  102  cut -d : -f 1 /etc/passwd
  103  tail /etc/passwd
  104  cut -d : -f 1 /etc/passwd
  105  cut -d : -f 6 /etc/passwd
  106  cut -d : -f 3 /etc/passwd
  107  cut -d : -f 3 /etc/passwd | sort
  108  cut -d : -f 3 /etc/passwd | sort -n
  109  ls -l | sort
  110  ls -l | sort -k 8
  111  ls -l | sort -k 9
  112  echo hello
  113  echo hello | tr [:lower"
  114  echo hello | tr [:lower:] [:upper:]
  115  echo hello | tr [a-l] [m-z]
  116  sed -n 5p /etc/passwd
  117  sed -i 's/anna/ANNA/g' regexfile
  118  cat regexfile
  119  sed -i -e '2d' regexfile
  120  cat regexfile
  121  echo hello 1.txt
  122  for i in {1..9}; do echo $i; done
  123  for i in {1..9}; do echo hello > $i.txt; done
  124  ls
  125  for i in *txt; do sed -i 's/hello/break/g' $i; done
  126  cat 6.txt
  127  cat 3.txt
  128  history
  129  awk -F : '/lisa/ { print $4 }' /etc/passwd
  130  grep lisa /etc/passwd | cut -d : -f 4
  131  awk -F : '$3 > 999 { print $1 }' /etc/passwd
  132  man troff
  133  countdown 4
  134  head -5 /etc/passwd | tail -1
  135  sed -n 5p /etc/passwd
  136  ps aux | awk '{ print $1 }'
  137  history
  138  grep -l '^root' /etc/*
  139  grep -l '^root' /etc/* 2>/dev/null
  140  grep '^...$' /etc/* 2>/dev/null
  141  vim regexfile
  142  grep 'alex\b' regexfile
  143  grep '^...$' /etc/* 2> greperrors.txt
  144  cat greperrors.txt
  145  man grep
  146  cat /etc/services
  147  sort < /etc/services
  148  sort /etc/services
  149  ls > myfile
  150  cat myfile
  151  who
  152  who > myfile
  153  cat myfile
  154  ls >> myfile
  155  cat myfile
  156  grep -R root /proc
  157  grep -R root /proc 2>/dev/null
  158  grep -R root /etc 2>/dev/null
  159  grep -R root /etc &>/dev/null
  160  grep -R root /etc &> myfile
  161  ps aux
  162  ps aux | wc
  163  ps aux | grep ssh
  164  ps aux | grep ssh | grep -v grep
  165  ps aux | tee psfile | grep ssh | grep -v grep
  166  cat psfile
  167  history
  168  exit
  169  history
  170  cat .bash_history
  171  useradd linda
  172  echo password | passwd --stdin linda
  173  history -d 173
  174  grep -E 'bo?t' regexfile
  175  who
  176  man grep
  177  touch kugiugiuguiiuguigiugigigihwgbiftuydtrsresxfgchjytsrthxtyjchkuvgc
  178  ls -l
  179  rm -f kugiugiuguiiuguigiugigigihwgbiftuydtrsresxfgchjytsrthxtyjchkuvgc
  180  users
  181  nmcli connection show ens33
  182  dnf install bash-completion
  183  env
  184  echo $PATH
  185  echo $SHELL
  186  echo $LANG
  187  ls --help
  188  echo $LANG
  189  export LANG=fr_FR.UTF-8
  190  ls --help
  191  export LANG=es_ES.UTF-8
  192  ls --help
  193  man ls
  194  alias
  195  alias english='export LANG=en_US.UTF-8'
  196  english
  197  vim /etc/bashrc
  198  vim /etc/profile
  199  cd /etc/profile.d/
  200  ls
  201  vim colorls.sh
  202  cd
  203  while true; do true; done &
  204  sleep 3600
  205  bg
  206  jobs
  207  fg
  208  top
  209  while true; do true; done &
  210  top
  211  ps aux | grep bash
  212  ps aux
  213  ps aux | grep '-bash'
  214  ps aux | grep -- '-bash'
  215  ps aux | grep -- '-bash' | awk '$3 > 40'
  216  ps aux | grep -- '-bash' | awk '$3 > 40 { print $2 }'
  217  kill $(ps aux | grep -- '-bash' | awk '$3 > 40 { print $2 }')
  218  history
  219  cd /
  220  ls -l
  221  cd /home/lisa/
  222  touch rootfile *
  223  su - lisa
  224  cd
  225  useradd anna
  226  groupadd sales
  227  usermod -aG sales anna
  228  usermod -aG sales linda
  229  mkdir -p /data/sales
  230  ls -l /data/sales
  231  ls -ld /data/sales
  232  chown anna:sales /data/sales
  233  ls -ld /data/sales
  234  chmod 770 /data/sales
  235  su - linda
  236  mount /dev/sda1 /mnt
  237  mount
  238  cd /mnt
  239  ls
  240  journalctl
  241  systemctl status sshd
  242  journalctl -xb
  243  cd /var/log
  244  ls
  245  ls -lrt
  246  tail messages
  247  mount
  248  umount /mnt
  249  cd
  250  history