bash: systemctl: command not found

1 개요[ | ]

bash: systemctl: command not found

root@host:~# docker run -it ubuntu
root@6bb8f39504ae:/# systemctl
bash: systemctl: command not found

root@6bb8f39504ae:/# apt-get update && apt-get install systemd -y
Get:1 http://archive.ubuntu.com/ubuntu focal InRelease [265 kB]
Get:2 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]
...
Configuring tzdata
------------------

Please select the geographic area in which you live. Subsequent configuration questions will narrow this down by presenting a
list of cities, representing the time zones in which they are located.

  1. Africa   3. Antarctica  5. Arctic  7. Atlantic  9. Indian    11. SystemV  13. Etc
  2. America  4. Australia   6. Asia    8. Europe    10. Pacific  12. US
Geographic area: 6

Please select the city or region corresponding to your time zone.

  1. Aden      14. Beirut      27. Gaza         40. Karachi       53. Muscat        66. Riyadh         79. Tokyo
  2. Almaty    15. Bishkek     28. Harbin       41. Kashgar       54. Nicosia       67. Sakhalin       80. Tomsk
  3. Amman     16. Brunei      29. Hebron       42. Kathmandu     55. Novokuznetsk  68. Samarkand      81. Ujung_Pandang
  4. Anadyr    17. Chita       30. Ho_Chi_Minh  43. Khandyga      56. Novosibirsk   69. Seoul          82. Ulaanbaatar
  5. Aqtau     18. Choibalsan  31. Hong_Kong    44. Kolkata       57. Omsk          70. Shanghai       83. Urumqi
  6. Aqtobe    19. Chongqing   32. Hovd         45. Krasnoyarsk   58. Oral          71. Singapore      84. Ust-Nera
  7. Ashgabat  20. Colombo     33. Irkutsk      46. Kuala_Lumpur  59. Phnom_Penh    72. Srednekolymsk  85. Vientiane
  8. Atyrau    21. Damascus    34. Istanbul     47. Kuching       60. Pontianak     73. Taipei         86. Vladivostok
  9. Baghdad   22. Dhaka       35. Jakarta      48. Kuwait        61. Pyongyang     74. Tashkent       87. Yakutsk
  10. Bahrain  23. Dili        36. Jayapura     49. Macau         62. Qatar         75. Tbilisi        88. Yangon
  11. Baku     24. Dubai       37. Jerusalem    50. Magadan       63. Qostanay      76. Tehran         89. Yekaterinburg
  12. Bangkok  25. Dushanbe    38. Kabul        51. Makassar      64. Qyzylorda     77. Tel_Aviv       90. Yerevan
  13. Barnaul  26. Famagusta   39. Kamchatka    52. Manila        65. Rangoon       78. Thimphu
Time zone: 69

Current default time zone: 'Asia/Seoul'
...
Created symlink /etc/systemd/system/dbus-org.freedesktop.timesync1.service → /lib/systemd/system/systemd-timesyncd.service.
Created symlink /etc/systemd/system/sysinit.target.wants/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.
Processing triggers for libc-bin (2.31-0ubuntu9) ...

root@6bb8f39504ae:/# systemctl
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down

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