当我运行 top 时，我得到了这个输出，并试图找出它是否有问题以及为什么首先会这样做，所有的“yum”实例似乎总是存在：
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4865 root 19 4 70888 6128 2784 S 0.4 0.1 0:36.11 httpd
12257 root 22 4 43368 7140 2128 S 0.3 0.1 0:00.08 leechprotect
5833 root 15 0 174m 17m 5772 S 0.1 0.3 11:32.44 yum
32329 root 18 0 174m 17m 5776 S 0.1 0.3 58:07.24 yum
526 root 10 -5 0 0 0 D 0.1 0.0 232:18.20 kjournald
724 root 18 0 174m 17m 5772 S 0.1 0.3 68:41.55 yum
806 root 18 0 174m 17m 5772 S 0.1 0.3 56:33.33 yum
4285 root 18 0 174m 17m 5776 S 0.1 0.3 51:03.07 yum
4975 root 18 0 174m 17m 5776 S 0.1 0.3 51:51.25 yum
4999 root 18 0 174m 17m 5772 S 0.1 0.3 28:13.26 yum
6271 root 18 0 174m 17m 5772 S 0.1 0.3 55:34.77 yum
6317 root 18 0 174m 17m 5772 S 0.1 0.3 23:25.34 yum
7915 root 18 0 174m 17m 5772 S 0.1 0.3 27:35.54 yum
8557 root 18 0 174m 17m 5776 S 0.1 0.3 75:57.69 yum
8945 root 18 0 174m 17m 5776 S 0.1 0.3 33:20.97 yum
9276 root 15 0 174m 17m 5776 S 0.1 0.3 32:25.79 yum
12384 root 18 0 174m 17m 5772 S 0.1 0.3 71:34.56 yum
12656 root 18 0 174m 17m 5776 S 0.1 0.3 26:47.81 yum
14834 root 18 0 174m 17m 5776 S 0.1 0.3 36:27.30 yum
15622 root 18 0 174m 17m 5776 S 0.1 0.3 36:15.49 yum
16367 root 18 0 174m 17m 5772 S 0.1 0.3 34:54.18 yum
16683 root 18 0 174m 17m 5772 S 0.1 0.3 26:22.34 yum
16893 root 18 0 174m 17m 5776 S 0.1 0.3 64:49.84 yum
17059 root 18 0 174m 17m 5776 S 0.1 0.3 43:45.62 yum
17774 root 18 0 174m 17m 5776 S 0.1 0.3 38:22.64 yum
18194 root 18 0 174m 17m 5772 S 0.1 0.3 34:08.88 yum
19172 root 18 0 174m 17m 5772 S 0.1 0.3 39:24.16 yum
19245 root 18 0 174m 17m 5776 S 0.1 0.3 63:18.26 yum
19486 root 18 0 174m 17m 5776 S 0.1 0.3 47:27.31 yum
19997 root 18 0 174m 17m 5776 S 0.1 0.3 76:19.65 yum
20279 root 18 0 174m 17m 5776 S 0.1 0.3 48:29.53 yum
答案1
我发现 RPM 数据库有时会混乱。尝试手动终止那些挂起的 yum 进程，然后
# mv /var/lib/rpm/__db.* /tmp
# rpm --rebuilddb
第二个命令需要一点时间才能完成。然后尝试看看 Yum 是否正常工作。