luth nov22

  172  mount
  173  cd /proc
  174  ls
  175  ps aux | grep ssh
  176  cd 1049
  177  ls
  178  podman run -it --image=docker.io/library/nginx sh
  179  podman run -it docker.io/library/nginx sh
  180  cat cmdline
  181  ls
  182  cat status
  183  cd ..
  184  ls
  185  cat cpuinfo
  186  lscpu | less
  187  cat meminfo
  188  cat meminfo | less
  189  free -m
  190  uptime
  191  cat meminfo | less
  192  top
  193  ls
  194  cat partitions
  195  lsblk
  196  ls
  197  exit
  198  countdown 13
  199  ls
  200  cd /proc
  201  ls
  202  echo h > /proc/sysrq-trigger
  203  dmesg
  204  modprobe softdog
  205  lsmod | grep dog
  206  history -w
  207  history
  208  cd /proc
  209  ls
  210  cd sys
  211  ls
  212  cd kernel/
  213  ls
  214  cat hostname
  215  cat panic_on_oops
  216  echo 0 > panic_on_oops
  217  cat pid_max
  218  cd ../vm/
  219  ls
  220  cat swappiness
  221  echo 30 > swappiness
  222  cat swappiness
  223  cat dirty_writeback_centisecs
  224  echo 1000 > dirty_writeback_centisecs
  225  cat nr_hugepages
  226  free -m
  227  echo 200 > nr_hugepages
  228  free -m
  229  cat panic_on_oom
  230  echo 1 > panic_on_oom
  231  history -w
  232  history
  233  cd /proc
  234  ls
  235  cd sys
  236  ls
  237  cd kernel/
  238  ls
  239  cat hostname
  240  cat panic_on_oops
  241  echo 0 > panic_on_oops
  242  cat pid_max
  243  cd ../vm/
  244  ls
  245  cat swappiness
  246  echo 30 > swappiness
  247  cat swappiness
  248  cat dirty_writeback_centisecs
  249  echo 1000 > dirty_writeback_centisecs
  250  cat nr_hugepages
  251  free -m
  252  echo 200 > nr_hugepages
  253  free -m
  254  cat panic_on_oom
  255  echo 1 > panic_on_oom
  256  history -w
  257  exit
  258  modprobe softdog
  259  echo h > /proc/sysrq-trigger
  260  dmesg
  261  echo f > /proc/sysrq-trigger
  262  journalctl
  263  sysctl -a
  264  sysctl -a | grep swappi
  265  vim /etc/sysctl.d/99-sysctl.conf
  266  ount
  267  mount
  268  cd /sys
  269  ls
  270  top
  271  ls
  272  cd bus/cpu/devices/
  273  pwd
  274  ls
  275  ls cpu1/
  276  cat cpu1/online
  277  echo 0 > cpu1/online
  278  cat cpu1/online
  279  top
  280  lscpu | less
  281  echo 1 > cpu1/online
  282  cd /sys/block/
  283  ls
  284  lsblk
  285  cd sda
  286  ls
  287  pwd
  288  cd queue/
  289  ls
  290  cat scheduler
  291  echo none > scheduler
  292  cat scheduler
  293  cd
  294  history
  295  lsmod | less
  296  ls -l /boot
  297  lspci
  298  lspci -k
  299  cat /proc/sys/kernel/tainted
  300  for i in $(seq 18); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
  301  countdown 12
  302  PS1='$PWD #'
  303  cd /sys/bus/cpu/
  304  #https://www.kernel.org/doc/html/latest/admin-guide/tainted-kernels.html
  305  history
  306  PS1='$PWD # '
  307  cd
  308  git clone https://github.com/sandervanvugt/luth
  309  cd luth/
  310  ls
  311  udevadm info /dev/sda
  312  udevadm info /dev/sdd
  313  udevadm info /dev/sdb
  314  reboot
  315  cd /etc/default/
  316  vim grub
  317  grub2-mkconfig -o /boot/grub2/grub.cfg
  318  reboot
  319  man man
  320  man 2 intro
  321  man 2 syscalls
  322  man 2 mmap
  323  strace ls /etc/hosts
  324  strace -c ls *
  325  echo *
  326  strace -c echo *
  327  countdown 12
  328  ldd $(which login)
  329  which login
  330  ldd `which passwd`
  331  cd /etc/pam.d/
  332  ls
  333  vim login
  334  vim system-auth
  335  man -k pam_
  336  man pam_securetty
  337  vim login
  338  chvt 4
  339  man pam_securetty
  340  vim /etc/securetty
  341  chvt 5
  342  loginctl list-sessions
  343  loginctl kill-session 6
  344  loginctl kill-session 4
  345  loginctl list-sessions
  346  vim login
  347  chvt 4
  348  ls -l /dev/tty*
  349  chvt 44
  350  systemctl list-units | less
  351  systemctl list-units | grep tty
  352  rpm -qa | grep sss
  353  vim /etc/passwd
  354  history  354  history
  355  vim /etc/passwd
  356  chvt 4
  357  lsns
  358  ls /proc/*/ns
  359  ps aux
  360  unshare --fork --pid --mount-proc zsh
  361  dnf install zsh
  362  unshare --fork --pid --mount-proc zsh
  363  ps aux
  364  history