1. $ sudo apt update
  2. [sudo] password for lubuntu:
  3. Hit:1 http://in.archive.ubuntu.com/ubuntu bionic InRelease
  4. Get:2 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
  5. Get:3 http://in.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
  6. Get:4 http://in.archive.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
  7. Get:5 http://in.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [416 kB]
  8. Get:6 http://in.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [372 kB]
  9. Get:7 http://in.archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [155 kB]
  10. Get:8 http://in.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [185 kB]
  11. Get:9 http://in.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 48x48 Icons [44.5 kB]
  12. Get:10 http://in.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 64x64 Icons [86.2 kB]
  13. Get:11 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [565 kB]
  14. Err:11 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages
  15. Hash Sum mismatch
  16. Hashes of expected file:
  17. - Filesize:565092 [weak]
  18. - SHA256:ac47a6d95cf30707c18cf552c33907ad328afe139986c465e1f237b4edad5129
  19. - SHA1:41ae8c413c477f74a663a81d34e902052565abd3 [weak]
  20. - MD5Sum:645646fcd695a018796a94b02bc285a0 [weak]
  21. Hashes of received file:
  22. - SHA256:67b6f90c7f8c9c4a088d6a94c9dfd227f5f58ca58e3547aae1d4948820154e36
  23. - SHA1:6c76c81eb5dbcc2f2abb404295f7c09f5b2a8ec9 [weak]
  24. - MD5Sum:23b1d0e503041dfa9cf550e82be38d8d [weak]
  25. - Filesize:565092 [weak]
  26. Last modification reported: Wed, 31 Oct 2018 00:56:12 +0000
  27. Release file created at: Wed, 31 Oct 2018 00:55:58 +0000
  28. Get:12 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [570 kB]
  29. Err:12 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages
  31. Get:13 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [151 kB]
  32. Get:14 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [191 kB]
  33. Get:15 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 48x48 Icons [185 kB]
  34. Get:16 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 64x64 Icons [308 kB]
  35. Get:17 http://in.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,468 B]
  36. Get:18 http://in.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [5,104 B]
  37. Get:19 http://in.archive.ubuntu.com/ubuntu bionic-security/main amd64 Packages [187 kB]
  38. Err:19 http://in.archive.ubuntu.com/ubuntu bionic-security/main amd64 Packages
  39. Hash Sum mismatch
  40. Hashes of expected file:
  41. - Filesize:187152 [weak]
  42. - SHA256:a08d830e1e00715234571cf3e64fce1fc9ac8b1932e784703b8023db12b86483
  43. - SHA1:d7d6111fcc95675f6f55bce365a2a90743140ddb [weak]
  44. - MD5Sum:553e46220c1d18a56c6f3d232f6e8f6d [weak]
  45. Hashes of received file:
  46. - SHA256:a0acbb3d7307f0d8c4df061efd504fcc99bcc08c7d9bd7fd4c902ddc46729479
  47. - SHA1:2363b2d9788f55d35b4fd5d13e7a44a01d6bcd25 [weak]
  48. - MD5Sum:55c6068df05a8b325a17178ae1b994bd [weak]
  49. - Filesize:187152 [weak]
  50. Last modification reported: Tue, 30 Oct 2018 18:46:50 +0000
  51. Release file created at: Tue, 30 Oct 2018 20:00:50 +0000
  52. Get:20 http://in.archive.ubuntu.com/ubuntu bionic-security/main i386 Packages [149 kB]
  53. Get:21 http://in.archive.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [204 B]
  54. Get:22 http://in.archive.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [91.5 kB]
  55. Get:23 http://in.archive.ubuntu.com/ubuntu bionic-security/universe i386 Packages [91.4 kB]
  56. Get:24 http://in.archive.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [9,420 B]
  57. Get:25 http://in.archive.ubuntu.com/ubuntu bionic-security/universe DEP-11 48x48 Icons [9,084 B]
  58. Fetched 4,021 kB in 15s (265 kB/s)
  59. Reading package lists... Done
  60. E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/bionic-updates/universe/binary-i386/by-hash/SHA256/ac47a6d95cf30707c18cf552c33907ad328afe139986c465e1f237b4edad5129 Hash Sum mismatch
  61. Hashes of expected file:
  62. - Filesize:565092 [weak]
  63. - SHA256:ac47a6d95cf30707c18cf552c33907ad328afe139986c465e1f237b4edad5129
  64. - SHA1:41ae8c413c477f74a663a81d34e902052565abd3 [weak]
  65. - MD5Sum:645646fcd695a018796a94b02bc285a0 [weak]
  66. Hashes of received file:
  67. - SHA256:67b6f90c7f8c9c4a088d6a94c9dfd227f5f58ca58e3547aae1d4948820154e36
  68. - SHA1:6c76c81eb5dbcc2f2abb404295f7c09f5b2a8ec9 [weak]
  69. - MD5Sum:23b1d0e503041dfa9cf550e82be38d8d [weak]
  70. - Filesize:565092 [weak]
  71. Last modification reported: Wed, 31 Oct 2018 00:56:12 +0000
  72. Release file created at: Wed, 31 Oct 2018 00:55:58 +0000
  73. E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/bionic-updates/universe/binary-amd64/by-hash/SHA256/863be2951b3fbd2365860ea2d289468bd9e22e5583341fdbfd4f22cbb8d4b390
  74. E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/bionic-security/main/binary-amd64/by-hash/SHA256/a08d830e1e00715234571cf3e64fce1fc9ac8b1932e784703b8023db12b86483 Hash Sum mismatch
  75. Hashes of expected file:
  76. - Filesize:187152 [weak]
  77. - SHA256:a08d830e1e00715234571cf3e64fce1fc9ac8b1932e784703b8023db12b86483
  78. - SHA1:d7d6111fcc95675f6f55bce365a2a90743140ddb [weak]
  79. - MD5Sum:553e46220c1d18a56c6f3d232f6e8f6d [weak]
  80. Hashes of received file:
  81. - SHA256:a0acbb3d7307f0d8c4df061efd504fcc99bcc08c7d9bd7fd4c902ddc46729479
  82. - SHA1:2363b2d9788f55d35b4fd5d13e7a44a01d6bcd25 [weak]
  83. - MD5Sum:55c6068df05a8b325a17178ae1b994bd [weak]
  84. - Filesize:187152 [weak]
  85. Last modification reported: Tue, 30 Oct 2018 18:46:50 +0000
  86. Release file created at: Tue, 30 Oct 2018 20:00:50 +0000
  87. E: Some index files failed to download. They have been ignored, or old ones used instead.