nov2024.txt

    1  cat /etc/passwd
    2  mv /etc/shadow /etc/shadow.bak
    3  reboot
    4  systemctl start graphical.target
    5  dnf install -y git
    6  git clone https://github.com/sandervanvugt/luth
    7  cd luth/
    8  ls
    9  ./countdown 12
   10  echo hello
   11  lsblk
   12  cat /proc/modules 
   13  cd /proc
   14  ls
   15  cat devices 
   16  lsmod
   17  modinfo e1000e
   18  ls -l /dev/nvme*
   19  ip a
   20  ls -l /dev/en*
   21  ldd $(which ls)
   22  ps aux | grep firef
   23  cd /proc/35629
   24  ls
   25  cat status
   26  cd fd
   27  ls
   28  grep root /proc/* 2> /dev/null
   29  ls -l
   30  lsof --help | less
   31  pwd
   32  lsof -p 35629
   33  podman run -d docker.io/library/nginx
   34  podman ps
   35  podman exec -it 0da sh
   36  cd
   37  cd /proc/sys
   38  ls
   39  cd /etc/modprobe.d/
   40  ls
   41  cd /usr/lib/modprobe.d/
   42  ls
   43  vim dist-alsa.conf 
   44  cd
   45  cd luth/
   46  ./countdown 12
   47  cd /proc/sys
   48  ls
   49  cd vm/
   50  pwd
   51  cat swappiness 
   52  man proc
   53  mount | grep proc
   54  echo 30 > /proc/sys/vm/swappiness 
   55  cat swappiness 
   56  sysctl -a
   57  sysctl -a | wc -l
   58  vim /etc/sysctl.conf 
   59  dnf install -y zsh
   60  echo $SHELL
   61  ps aux
   62  unshare --fork --pid --mount-proc zsh
   63  ps faux | grep -B 5 zsh
   64  lsns -p $(pidof zsh)
   65  nsenter -a -t $(pidof zsh) ps aux
   66  dnf install -y httpd
   67  systemctl show httpd
   68  systemctl edit httpd
   69  systemctl start httpd
   70  systemctl status httpd
   71  mount | grep cgroup
   72  cd /sys/fs/cgroup/
   73  ls
   74  mkdir mycgroup
   75  ls mycgroup/
   76  dd if=/dev/zero of=/dev/null &
   77  echo $! > cgroup.procs 
   78  echo 25 > cpu.weight
   79  echo 50 > cpu.weight
   80  cd mycgroup/
   81  ps aux | grep dd
   82  echo 39095 > cgroup.procs 
   83  echo 39085 > cgroup.procs 
   84  echo 50 > cpu.weight
   85  echo 0 > /sys/bus/cpu/devices/cpu1/online
   86  top
   87  dd if=/dev/zero of=/dev/null &
   88  top
   89  cd
   90  history > /tmp/history-08nov24.txt
   91  ip a
   92  poweroff
   93  cd /proc
   94  less meminfo 
   95  top
   96  less /proc/meminfo 
   97  cd sys/vm/
   98  ls
   99  free -m
  100  echo 2 > drop_caches 
  101  free -m
  102  man proc
  103  echo 3 > drop_caches 
  104  free -m
  105  man proc
  106  cat swappiness 
  107  cat /etc/sysctl.conf 
  108  top
  109  grep -i virt /proc/meminfo 
  110  less /proc/meminfo 
  111  arch
  112  less /proc/cpuinfo 
  113  top
  114  slabtop
  115  pwd
  116  ls
  117  cat dirty_expire_centisecs 
  118  cat dirty_writeback_centisecs 
  119  cd
  120  cd luth/
  121  ./countdown 12
  122  top
  123  reboot
  124  systemctl set-default graphical.target
  125  free -m
  126  vmstat
  127  vmstat 2 40
  128  top
  129  reboot
  130  free -m
  131  df -h
  132  dd  if=/dev/zero of=/swapfile bs=1M count=1024
  133  chmod 0600 /swapfile
  134  mkswap /swapfile
  135  free -m
  136  swapon /swapfile
  137  free -m
  138  echo 90 >/proc/sys/vm/swappiness 
  139  free -m
  140  echo 60 >/proc/sys/vm/swappiness 
  141  less /proc/meminfo 
  142  cd /proc/sys/vm/
  143  ls
  144  echo 200 > nr_hugepages
  145  free -m
  146  cat /proc/meminfo 
  147  vim /etc/sysctl.conf 
  148  reboot
  149  free -m
  150  cat /proc/meminfo 
  151  strace ls
  152  strace -c
  153  strace -c ls
  154  mount
  155  mount | grep huge
  156  cd /proc
  157  ls
  158  echo h > sysrq-trigger 
  159  dmesg
  160  echo f > sysrq-trigger 
  161  vim /etc/sysctl.conf 
  162  reboot
  163  top
  164  cat /proc/1977/oom_score
  165  top
  166  cat /proc/2653/oom_score
  167  cat /proc/1/oom_score
  168  ps aux | grep top
  169  sleep infinity &
  170  cat /proc/2865/oom_score
  171  top
  172  echo f > /proc/sysrq-trigger 
  173  dmesg
  174  echo -400 > /proc/$(pidof gnome-shell)/oom_score_adj
  175  top
  176  echo f > /proc/sysrq-trigger 
  177  dmesg
  178  systemctl list-unit-files | grep gnome
  179  systemctl show sshd.service
  180  systemctl edit sshd.service
  181  systemctl status sshd.service
  182  cat /proc/987/oom_score_adj 
  183  cat /proc/987/oom_score
  184  less /proc/meminfo 
  185  slabinfo 
  186  slabinfo | less
  187  cd /proc/sys/vm
  188  ls
  189  cd ../kernel/
  190  ls
  191  cd
  192  history
  193  history > /tmp/nov2024.txt
  194  ip a
  195  poweroff
  196  dnf install nfs-utils
  197  mkdir -p /nfsdata /home/ldap/ldapuser{1..9}
  198  ls -l /home/ldap
  199  vim /etc/exports
  200  systemctl enable --now nfs-server
  201  systemctl status nfs-server
  202  poweroff
  203  hostnamectl hostname nfsserver.example.local
  204  ip a
  205  vim /etc/sysctl.conf 
  206  reboot
  207  ps faux | grep -B 1 sleep 
  208  ps faux | less
  209  cd luth/
  210  ls
  211  gcc -o zombie zombie.c
  212  ls
  213  ./zombie &
  214  top
  215  vim zombie.c 
  216  gcc -o zombie zombie.c
  217  ./zombie &
  218  ps aux | grep defunc
  219  ps aux | grep -B 5 defunc
  220  ps faux | grep -B 5 defunc
  221  kill 4425
  222  ps faux | grep -B 5 defunc
  223  kill 4424
  224  ps faux | grep -B 5 defunc
  225  ./zombie &
  226  ps faux | grep -B 5 defunc
  227  kill -s SIGCHLD 4438
  228  ps faux | grep -B 5 defunc
  229  kill -9 4438
  230  ps faux | grep -B 5 defunc
  231  ps aux | grep sleep
  232  chrt -p 3535
  233  man chrt
  234  chrt --max
  235  dd if=/dev/zero of=/dev/null &
  236  chrt -p 4488
  237  top
  238  man chrt
  239  chrt -i -p 0 4488
  240  top
  241  dd if=/dev/zero of=/dev/null &
  242  top
  243  echo 0 > /sys/bus/cpu/devices/cpu1/online 
  244  top
  245  chrt -r 50 dd if=/dev/zero of=/dev/null &
  246  top
  247  echo 1 > /sys/bus/cpu/devices/cpu1/online 
  248  top
  249  dd if=/dev/zero of=/dev/null &
  250  top
  251  systemctl show sshd
  252  taskset --help
  253  ps aux | grep dd
  254  taskset -pc 1 4488
  255  top
  256  echo 0 > /sys/bus/cpu/devices/cpu1/online 
  257  top
  258  killall dd
  259  dd if=/dev/zero of=/dev/null &
  260  pidof dd
  261  renice -5 4569
  262  renice 10 4568
  263  top
  264  chrt -r 50 dd if=/dev/zero of=/dev/null &
  265  toop
  266  top
  267  kill 4609
  268  history
  269  cd /proc/sys
  270  ls
  271  cd kernel/
  272  ls
  273  ls sched*
  274  man proc
  275  man sched
  276  top
  277  killall dd
  278  history
  279  echo 1 > /sys/bus/cpu/devices/cpu1/online 
  280  cd
  281  mkfifo myfifo
  282  ls -l myfifo 
  283  cat myfifo
  284  ls -l myfifo 
  285  cat myfifo 
  286  unlink mmyfi
  287  unlink myfifo 
  288  ls
  289  cd luth/
  290  ls
  291  cat dbus-commands.sh 
  292  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager"             string:"NetworkingEnabled"
  293  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager/ActiveConnection/6             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager.Connection.Active"             string:"Devices"
  294  busctl list
  295  ldd $(which ls)
  296  cd /proc/
  297  ls
  298  cd 2353
  299  cat cmdline 
  300  cd ../1987
  301  cat cmdline 
  302  cat status 
  303  vmstat
  304  vmstat -s
  305  cd
  306  strace ls |& less
  307  strace -c ls
  308  ls *
  309  strace -c ls *
  310  strace -c ls /etc/*
  311  strace -d echo /etc/*
  312  strace -d echo *
  313  strace -c echo /etc/*
  314  strace -c ls *
  315  strace echo hello > hellofile
  316  strace echo hello > hellofile |& less
  317  strace echo hello > hellofile 
  318  dnf install -y netcat
  319  netcat -l 8080
  320  strace netcat -l 8080
  321  history
  322  ps aux
  323  ps aux | grep ssh
  324  pmap --help
  325  pmap 1018
  326  cat /proc/$(pidof sshd)/status
  327  cat /proc/$(pidof sshd)/maps
  328  pmap -X $(pidof sshd)
  329  pmap -X $(pidof sshd) | less
  330  echo $$
  331  ps aux | grep 3556
  332  dnf install -y zsh
  333  zsh
  334  exec zsh
  335  history | grep cpu
  336  echo 1 > /sys/bus/cpu/devices/cpu1/online 
  337  cp stress* /etc/systemd/system
  338  systemctl start stress1
  339  systemctl start stress2
  340  top
  341  echo 0 > /sys/bus/cpu/devices/cpu1/online 
  342  top
  343  cat /sys/fs/cgroup/system.slice/
  344  cat /sys/fs/cgroup/system.slice/stress1.service/cpu.weight
  345  cat /sys/fs/cgroup/system.slice/stress2.service/cpu.weight
  346  echo 800 > /sys/fs/cgroup/system.slice/stress2.service/cpu.weight
  347  top
  348  killall dd
  349  echo 1 > /sys/bus/cpu/devices/cpu1/online 
  350  top
  351  systemctl start stress1
  352  systemctl start stress2
  353  top
  354  cd
  355  history > /tmp/nov2024.txt