[WSL2] systemd 삽질기

sudo apt install -y daemonize

sudo touch /usr/local/bin/wsl2hack sudo chmod +x /usr/local/bin/wsl2hack sudo vi /usr/local/bin/wsl2hack

#!/bin/bash # your WSL2 username 여기에 반드시 wsl에 사용하고 있는 ID를 입력해야 한다. UNAME="<YOURUSER>" UUID=$(id -u "${UNAME}") UGID=$(id -g "${UNAME}") UHOME=$(getent passwd "${UNAME}" | cut -d: -f6) USHELL=$(getent passwd "${UNAME}" | cut -d: -f7) if [[ -p /dev/stdin || "${BASH_ARGC}" > 0 && "${BASH_ARGV[1]}" != "-c" ]]; then USHELL=/bin/bash fi if [[ "${PWD}" = "/root" ]]; then cd "${UHOME}" fi # get pid of systemd SYSTEMD_PID=$(pgrep -xo systemd) # if we're already in the systemd environment if [[ "${SYSTEMD_PID}" -eq "1" ]]; then exec "${USHELL}" "$@" fi if [[ -z ${SYSTEMD_PID} ]]; then # start systemd /usr/bin/daemonize -l "${HOME}/.systemd.lock" /usr/bin/unshare -fp --mount-proc /lib/systemd/systemd --system-unit=basic.target # wait for systemd to start retries=50 while [[ -z ${SYSTEMD_PID} && $retries -ge 0 ]]; do (( retries-- )) sleep .1 SYSTEMD_PID=$(pgrep -xo systemd) done if [[ $retries -lt 0 ]]; then >&2 echo "Systemd timed out; aborting." exit 1 fi fi # export WSL variables export WINPATH="$(echo "$PATH"|grep -o ':/mnt/c.*$'|sed 's!^:!!')" RUNOPTS="" RUNOPTS="$RUNOPTS -l" RUNOPTS="$RUNOPTS -w WINPATH" RUNOPTS="$RUNOPTS -w WSL_INTEROP" RUNOPTS="$RUNOPTS -w WSL_DISTRO_NAME" # enter systemd namespace exec /usr/bin/nsenter -t "${SYSTEMD_PID}" -m -p --wd="${PWD}" /sbin/runuser $RUNOPTS -s "${USHELL}" "${UNAME}" -- "${@}"

rootwsl:x:0:0:root:/root:/usr/local/bin/wsl2hack

rootwsl:*:18375:0:99999:7:::

wsl --shutdown # 설치한 WSL은 ubuntu.exe, 또는 ubuntu2004와 같은 이름으로 실행파일을 갖는다. # 나는 기본으로 설치되는 Ubuntu를 사용하므로 실행 파일 이름이 ubuntu.exe였다. ubuntu.exe config --default-user root

wsl.exe -d Ubuntu -- wsl2hack

joshua@gram:~$ pstree -a systemd --system-unit=basic.target |-accounts-daemon | `-2*[{accounts-daemon}] |-agetty -o -p -- \\u --noclear --keep-baud console 115200,38400,9600 xterm-256color |-agetty -o -p -- \\u --noclear tty1 linux |-atd -f |-cron -f |-dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only |-networkd-dispat /usr/bin/networkd-dispatcher --run-startup-triggers |-polkitd --no-debug | `-2*[{polkitd}] |-rsyslogd -n -iNONE | `-3*[{rsyslogd}] |-snapd | `-16*[{snapd}] |-snapfuse /var/lib/snapd/snaps/bare_5.snap /snap/bare/5 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/core20_1169.snap /snap/core20/1169 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/gnome-3-38-2004_76.snap /snap/gnome-3-38-2004/76 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/core18_1705.snap /snap/core18/1705 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/firefox_701.snap /snap/firefox/701 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/gtk-common-themes_1519.snap /snap/gtk-common-themes/1519 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/lxd_14804.snap /snap/lxd/14804 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/snapd_7264.snap /snap/snapd/7264 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/snapd_13640.snap /snap/snapd/13640 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/core18_2246.snap /snap/core18/2246 -o ro,nodev,allow_other,suid |-snapfuse /var/lib/snapd/snaps/lxd_21858.snap /snap/lxd/21858 -o ro,nodev,allow_other,suid |-systemd-journal |-systemd-logind |-systemd-network |-systemd-resolve |-systemd-udevd |-udisksd | `-4*[{udisksd}] `-unattended-upgr /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal `-{unattended-upgr}

joshua@gram:~$ pstree -a init ├─init │ └─init │ ├─bash │ │ └─sudo -i -u root wsl2hack │ │ └─bash --login -c wsl2hack │ │ └─nsenter -t 442 -m -p --wd=/home/joshua /sbin/runuser -l -w WINPATH -w WSL_INTEROP -w WSL_DISTRO_NAME -s ... │ │ └─runuser -l -w WINPATH -w WSL_INTEROP -w WSL_DISTRO_NAME -s /bin/bash joshua -- │ │ └─bash │ └─unshare -fp --mount-proc /lib/systemd/systemd --system-unit=basic.target │ └─systemd --system-unit=basic.target │ ├─accounts-daemon │ │ └─2*[{accounts-daemon}] │ ├─agetty -o -p -- \\u --noclear --keep-baud console 115200,38400,9600 xterm-256color │ ├─agetty -o -p -- \\u --noclear tty1 linux │ ├─atd -f │ ├─cron -f │ ├─dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only │ ├─networkd-dispat /usr/bin/networkd-dispatcher --run-startup-triggers │ ├─polkitd --no-debug │ │ └─2*[{polkitd}] │ ├─rsyslogd -n -iNONE │ │ └─3*[{rsyslogd}] │ ├─snapd │ │ └─16*[{snapd}] │ ├─snapfuse /var/lib/snapd/snaps/bare_5.snap /snap/bare/5 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/core20_1169.snap /snap/core20/1169 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/gnome-3-38-2004_76.snap /snap/gnome-3-38-2004/76 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/core18_1705.snap /snap/core18/1705 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/firefox_701.snap /snap/firefox/701 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/gtk-common-themes_1519.snap /snap/gtk-common-themes/1519 -o ... │ ├─snapfuse /var/lib/snapd/snaps/lxd_14804.snap /snap/lxd/14804 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/snapd_7264.snap /snap/snapd/7264 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/snapd_13640.snap /snap/snapd/13640 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/core18_2246.snap /snap/core18/2246 -o ro,nodev,allow_other,suid │ ├─snapfuse /var/lib/snapd/snaps/lxd_21858.snap /snap/lxd/21858 -o ro,nodev,allow_other,suid │ ├─systemd-journal │ ├─systemd-logind │ ├─systemd-network │ ├─systemd-resolve │ ├─systemd-udevd │ ├─udisksd │ │ └─4*[{udisksd}] │ └─unattended-upgr /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal │ └─{unattended-upgr} ├─init │ └─init │ └─bash │ └─pstree -a └─2*[{init}]