清空/var/log/journal日志

admin

1）只保留近一周的日志
journalctl --vacuum-time=1w
2）只保留500MB的日志
journalctl --vacuum-size=500M
3）直接删除 /var/log/journal/ 目录下的日志文件
rm -rf /var/log/journal/system@00000000000000000000000000000000-0000000000abaad8-0005a66364beef5c.journal

1. [root@godba c28d40cbc8e3adcb4e32d9779a77b39e]# journalctl --vacuum-time=1w
   
2. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000008bc1e3-0005a3e4ab271bc9.journal (80.0M).
   
3. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000008d159f-0005a40371da875c.journal (80.0M).
   
4. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000008e68bf-0005a4258ab0a782.journal (80.0M).
   
5. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000008fbe58-0005a4421baf997d.journal (80.0M).
   
6. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-000000000091140a-0005a45bf6d1c0d9.journal (80.0M).
   
7. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009265ef-0005a479ed5b0247.journal (80.0M).
   
8. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-000000000093b7df-0005a4967feb27ea.journal (80.0M).
   
9. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-000000000095081c-0005a4b1c4d525fd.journal (80.0M).
   
10. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000965cd6-0005a4c9c136c18f.journal (88.0M).
    
11. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-000000000097b6df-0005a4df6d99491f.journal (80.0M).
    
12. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-000000000099088d-0005a4f9ca5e73d3.journal (72.0M).
    
13. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009a55b8-0005a519854e60f6.journal (88.0M).
    
14. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009bad27-0005a53391c7af4d.journal (96.0M).
    
15. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009d1222-0005a5443ad05865.journal (88.0M).
    
16. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009e6ab5-0005a55d9014641e.journal (80.0M).
    
17. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-00000000009fbcfe-0005a57c9e8ebcbc.journal (80.0M).
    
18. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a11290-0005a5994b2a772d.journal (80.0M).
    
19. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a26748-0005a5b3dc5a730e.journal (88.0M).
    
20. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a3c2c0-0005a5c94cfb4917.journal (80.0M).
    
21. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a51639-0005a5dfd9cd0516.journal (88.0M).
    
22. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a673af-0005a5f23d98f494.journal (72.0M).
    
23. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a7bd1c-0005a6122917487d.journal (80.0M).
    
24. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000a90c0b-0005a62b07e118db.journal (80.0M).
    
25. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000aa6003-0005a64405b0cd7f.journal (72.0M).
    
26. Deleted archived journal /var/log/journal/c28d40cbc8e3adcb4e32d9779a77b39e/system@00000000000000000000000000000000-0000000000abaad8-0005a66364beef5c.journal (72.0M).
    
27. Vacuuming done, freed 1.9G of archived journals on disk.
    
28. [root@godba c28d40cbc8e3adcb4e32d9779a77b39e]# df -h
    
29. Filesystem      Size  Used Avail Use% Mounted on
    
30. devtmpfs        1.9G     0  1.9G   0% /dev
    
31. tmpfs           1.9G   24K  1.9G   1% /dev/shm
    
32. tmpfs           1.9G  460K  1.9G   1% /run
    
33. tmpfs           1.9G     0  1.9G   0% /sys/fs/cgroup
    
34. /dev/vda1        50G  4.3G   43G  10% /
    
35. tmpfs           379M     0  379M   0% /run/user/0
    
36. [root@godba c28d40cbc8e3adcb4e32d9779a77b39e]#

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