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Remove online linux Users

Source: Internet
Author: User
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1. query online users:

[Plain] view plaincopy
  1. [Root @ leekwen ~] # W
  2. 09: 18: 37up22: 30, 4 users, loadaverage: 0.00, 0.02, 0.00
  3. USERTTYFROMLOGIN @ IDLEJCPUPCPUWHAT
  4. Rootpts/2122.224.121.19409: 0313: 560.01s0.00stail-f/var/lo
  5. Rootpts/4122.224.121.19409: 056: 160.01s0.01s-bash
  6. Rootpts/5122.224.121.19409: 090.00s0.03s0.00sw
  7. Rootpts/3122.224.121.19409: 170.00s0.01s0.01s-bash

2. query the programs run by pts/2 client: [plain] view plaincopy
  1. [Root @ leekwen ~] # Ps-ef | greppts/2
  2. Root89981418009: 03? 00: 00: 00 sshd: root @ pts/2
  3. Root90008998009: 03pts/200:00:00-bash
  4. Root90729000009: 04pts/200: 00: 00tail-f/var/log/messages
  5. Root97029283009: 18pts/500: 00: 00 greppts/2
3. Remove pts/2 client: [plain] view plaincopy
  1. [Root @ leekwen ~] # Killed-99000
  2. [Root @ leekwen ~] # Ps-ef | greppts/2
  3. Root89981418009: 03? 00: 00: 00 sshd: root @ pts/2
  4. Root97639283009: 18pts/500: 00: 00 greppts/2
  5. [Root @ leekwen ~] # Ps-ef | greppts
  6. Root89981418009: 03? 00: 00: 00 sshd: root @ pts/2
  7. Root90881418009: 05? 00: 00: 00 sshd: root @ pts/4
  8. Root90909088009: 05pts/400: 00: 00-bash
  9. Root92811418009: 09? 00: 00: 00 sshd: root @ pts/5
  10. Root92839281009: 09pts/500: 00: 00-bash
  11. Root93851418009: 17? 00: 00: 00 sshd: root @ pts/3
  12. Root957290000009: 17pts/300: 00: 00-bash
  13. Root97879283009: 18pts/500: 00: 00ps-ef
  14. Root97889283009: 18pts/500: 00: 00 greppts

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Related Keywords:
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