linux performance oct20

[root@localhost ~]# history
    1  ls -l /etc/shadow /etc/passwd
    2  cat /etc/shadow
    3  ls -l /etc/shadow /etc/passwd
    4  man 7 capabilities
    5  man lsattr
    6  man chattr
    7  touch removeme
    8  chattr +i removeme
    9  rm -f removeme
   10  lsattr
   11  man chattr
   12  man 7 capabilities
   13  lsmod
   14  lspci
   15  lspci -k
   16  exit
   17  history
   18  exit
   19  cd luth/
   20  ls
   21  dd if=/dev/cdrom of=/my.iso bs=1M
   22  mount /my.iso /mnt
   23  mount | grep /mnt
   24  lsmod | grep loop
   25  lsblk
   26  less /proc/devices
   27  lsmod | less
   28  modinfo loop
   29  mkdir /tmp/initramfs
   30  cd /tmp/initramfs/
   31  ls
   32  /usr/lib/dracut/skipcpio /boot/initramfs-$(uname -r).img | gunzip -c | cpio -idmv
   33  ls
   34  mount
   35  rm -rf *
   36  lsmod | grep ext3
   37  lsmod | grep e1000
   38  dracut --add-drivers ext3
   39  dracut --add-drivers ext3 --force
   40  history --help
   41  history -w
   42  cd luth/
   43  ls
   44  dd if=/dev/cdrom of=/my.iso bs=1M
   45  mount /my.iso /mnt
   46  mount | grep /mnt
   47  lsmod | grep loop
   48  lsblk
   49  less /proc/devices
   50  lsmod | less
   51  modinfo loop
   52  mkdir /tmp/initramfs
   53  cd /tmp/initramfs/
   54  ls
   55  /usr/lib/dracut/skipcpio /boot/initramfs-$(uname -r).img | gunzip -c | cpio -idmv
   56  ls
   57  mount
   58  rm -rf *
   59  lsmod | grep ext3
   60  lsmod | grep e1000
   61  dracut --add-drivers ext3
   62  dracut --add-drivers ext3 --force
   63  history --help
   64  history -w
   65  cat ~/.bash_history
   66  sync
   67  reboot
   68  history
   69  lsmod | grep ext
   70  ldd $(which useradd)
   71  ldd $(which passwd)
   72  ip a
   73  cd luth/
   74  ./countdown 12
   75  ps aux | grep fire
   76  cd /proc/3996
   77  ls
   78  cd fd
   79  ls
   80  ls -l
   81  ls -l | less
   82  cd
   83  cd boot
   84  cd /boot
   85  ls -il
   86  mount | grep ext4
   87  cp /etc/hosts .
   88  ls -il
   89  ln hosts hhosts
   90  ls -il
   91  echo hello >> hosts
   92  ls -il
   93  cd
   94  debugfs /dev/sda1
   95  git clone git://git.sv.gnu.org/coreutils
   96  rpm -qa | grep core
   97  cd coreutils/
   98  ls
   99  cd src
  100  ls
  101  less echo.c
  102  cd ..
  103  ls
  104  cd /boot
  105  ls -il
  106  debugfs /dev/sda1
  107  ldconfig -v
  108  cd
  109  yum install -y strace ltrace
  110  strace cat /etc/hosts
  111  strace -c ls /etc
  112  cd /etc
  113  strace ls
  114  strace -c ls
  115  echo *
  116  strace -c echo *
  117  ls *
  118  strace -c ls *
  119  man man
  120  man 2 intro
  121  man 2 exec
  122  man mmap
  123  man 3 intro
  124  ltrace ls
  125  man 7 signal
  126  dd if=/dev/zero of=/dev/null &
  127  ps aux
  128  kill -19 5103
  129  ps aux
  130  kill -18 5103
  131  ps aux
  132  kill -9 5103
  133  top
  134  man 7 signals
  135  man 7 signal
  136  dd if=/dev/zero of=/dev/null &
  137  kill -s USR1 $(pidof dd)
  138  kill -s TERM $(pidof dd)
  139  ps aux | grep dd
  140  less /proc/devices
  141  dmidecode
  142  dmidecode | less
  143  lspci
  144  lspci -m
  145  lspci -k
  146  lspci -k | less
  147  cd
  148  luth/countdown 12
  149  udevadm monitor
  150  udevadm info --query-all --name=/dev/sdb
  151  udevadm info --query=all --name=/dev/sdb
  152  udevadm info --attribute-walk --name=/dev/sdb | less
  153  cd /etc/udev/rules.d/
  154  ls
  155  cd /usr/lib/udev/
  156  ls
  157  cd rules.d/
  158  ls
  159  vim 70-printers.rules
  160  pwd
  161  cd /etc/udev/rules.d/
  162  ls
  163  cp /root/luth/50-custom.rules .
  164  vim 50-custom.rules
  165  ls /dev/usb
  166  udevadm monitor
  167  journalctl
  168  cd /dev/usb/
  169  ls
  170  ls -l
  171  cd
  172  history