LutH may22

[root@localhost luth]# history
    1  cd /proc
    2  ls
    3  cd sys
    4  ls
    5  /root/luth/countdown 14
    6  pwd
    7  ls
    8  cd vm
    9  ls
   10  cat swappiness
   11  free -m
   12  man proc
   13  echo 10 > swappiness
   14  sysctl -a
   15  sysctl -a | wc
   16  lsmod
   17  lsmod | wc
   18  pwd
   19  echo 10 > swappiness
   20  vim swappiness
   21  vim /etc/sysctl.d/99-sysctl.conf
   22  ls
   23  cd ..
   24  ls
   25  cd ..
   26  ls
   27  env | less
   28  cd /boot
   29  ls -l
   30  history
   31  cat ~/.bash_history
   32  cd /proc/sys/vm
   33  ls
   34  sysctl -a | grep dirty_
   35  vim /etc/sysctl.d/99-sysctl.conf
   36  sysctl -p /etc/sysctl.d/99-sysctl.conf
   37  sysctl -a | grep dirty_
   38  cd
   39  history -w; sync
   40  #echo b > /proc/sysrq-trigger
   41  history -w
   42  lsmod
   43  lsblk
   44  lsmod | grep sd
   45  udevadm monitor
   46  lsmod | grep sd
   47  lsblk
   48  ls -l /dev/nvme*
   49  cd /proc
   50  ls
   51  less devices
   52  cd /sys
   53  ls
   54  cd block/
   55  ls
   56  cd nvme0n1/
   57  ls
   58  cd queue/
   59  ls
   60  cat scheduler
   61  pwd
   62  echo bfq > scheduler
   63  cat scheduler
   64  cd
   65  history
   66  luth/countdown 13
   67  ldd $(which passwd)
   68  man hier
   69  chsh --help
   70  mkfifo myfifo
   71  ls -l myfifo
   72  cat myfifo
   73  ls -l
   74  unlink myfifo
   75  ls -l
   76  busctl list
   77  cd luth/
   78  ls
   79  vim dbus-commands.sh
   80  cat dbus-commands.sh
   81  qdbus --system --literal org.freedesktop.NetworkManager
   82  dbus --system --literal org.freedesktop.NetworkManager
   83  qdbus --system --literal org.freedesktop.NetworkManager
   84  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager"             string:"NetworkingEnabled"
   85  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager"             string:"ActiveConnections"
   86  vim dbus-commands.sh
   87  cat dbus-commands.sh
   88  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager/ActiveConnection/1             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager.Connection.Active"             string:"Devices"
   89  bus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager/Devices/2             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager.Device"             string:"Interface"
   90  dbus-send --system --print-reply             --dest=org.freedesktop.NetworkManager             /org/freedesktop/NetworkManager/Devices/2             org.freedesktop.DBus.Properties.Get             string:"org.freedesktop.NetworkManager.Device"             string:"Interface"
   91  ss
   92  ss tunap
   93  ss -tunap
   94  history