2  history -w
    3  top
    4  lscpu
    5  dd if=/dev/zero of=/dev/null &
    6  top
    7  poweroff
    8  dd if=/dev/zero of=/dev/null &
    9  top
   10  w
   11  ip a
   12  top
   13  w
   14  top
   15  slabtop
   16  free -m
   17  echo 2 > /proc/sys/vm/drop_caches
   18  free -m
   19  luth/countdown 12
   20  history
   21  mount | grep proc
   22  cd /proc
   23  la
   24  ls
   25  ps aux | grep 2715
   26  cd 2715
   27  ls
   28  less status
   29  cd ..
   30  ls
   31  ps aux
   32  killall dd
   33  ls
   34  less cpuinfo
   35  lscpu
   36  ls
   37  less meminfo
   38  ls
   39  echo h > sysrq-trigger
   40  dmesg
   41  ls
   42  cd sys
   43  ls
   44  man proc
   45  ls
   46  cd vm/
   47  ls
   48  cat swappiness
   49  echo 60 > swappiness
   50  cat swappiness
   51  systemctl status sysctl
   52  cd /etc/
   53  vim sysctl.conf
   54  cd /usr/lib/sysctl.d/
   55  ls
   56  vim 60-libvirtd.conf
   57  cd /etc/sysctl.d/
   58  ls
   59  ls -l
   60  vim 99-szvv.conf
   61  sysctl --help
   62  sysctl -p
   63  sysctl -a
   64  sysctl -a | grep panic
   65  sysctl -p /etc/sysctl.d/99-szvv.conf
   66  cd /proc/sys
   67  ls
   68  cd kernel/
   69  ls
   70  cat ostype
   71  cat osrelease
   72  cd ..
   73  sysctl -a | grep tasks
   74  sysctl -a | grep pid
   75  cd kernel/
   76  ls
   77  cat pid_max
   78  echo $((2 * 4194304)) > pid_max
   79  yum install kernel-doc
   80  cd /usr/share/doc/kernel-doc-4.18.0/
   81  ls
   82  cd Documentation/
   83  ls
   84  cd sysctl/
   85  ls
   86  less vm.txt
   87  history
   88  mount
   89  cd /sys
   90  ls
   91  cd bus
   92  ls
   93  cd cpu/
   94  ls
   95  cd devices/
   96  ls
   97  pwd
   98  lscpu
   99  cat cpu11/online
  100  echo 0 >cpu11/online
  101  lscpu
  102  history
  103  cd /proc/sys
  104  touch hello
  105  pwd
  106  cd /proc/fs
  107  ls
  108  cd ext4/
  109  ls
  110  cd sda1
  111  ls
  112  cat options
  113  poweroff
  114  fdisk /dev/sda
  115  mkfs.xfs /dev/sda3 -L goat
  116  cd /proc/fs/
  117  ls
  118  cd xfs/
  119  ls
  120  cat stat
  121  cd ..
  122  mount /dev/sda3 /mnt
  123  cd xfs
  124  ls
  125  cat stat
  126  systemctl status tuned
  127  tuned-adm list
  128  lspci -k
  129  tuned-adm list
  130  tuned-adm profile intel-sst
  131  tuned-adm list
  132  cd /usr/lib/tuned/
  133  ls
  134  cd intel-sst/
  135  ls
  136  vim tuned.conf
  137  cd ../throughput-performance/
  138  ls
  139  mkdir /etc/tuned/sander
  140  cp tuned.conf /etc/tuned/sander
  141  cd /etc/tuned/sander/
  142  vim tuned.conf
  143  tuned-adm list
  144  history
  145  vim /etc/sysctl.d/99-szvv.conf
  146  pwd
  147  vim tuned.conf
  148  reboot
  149  luth/countdown 12
  150  cat /proc/sys/vm/swappiness
  151  vim /etc/tuned/sander/tuned.conf
  152  git clone https://github.com/sandervanvugt/performance
  153  cd performance/
  154  ls
  155  cat stress1.service
  156  poweroff
  157  ps aux
  158  ps aux | grep ssh
  159  pidstat -p 1103 -t -r -d -R -s -u -v -w -T ALL
  160  cd /proc/sys/vm
  161  ls
  162  cat overcommit_ratio
  163  free -m
  164  echo 400 overcommit_ratio
  165  top
  166  echo 1600 > overcommit_ratio
  167  ls
  168  echo 2 > overcommit_memory
  169  less /proc/meminfo
  170  free -m
  171  echo 200 > /proc/sys/vm/nr_hugepages
  172  free -m
  173  less /proc/meminfo
  174  mount | grep huge
  175  history