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