collectd安装redis插件（二）

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按照上一篇文章安装后，重启collectd

/etc/init.d/collectd restart

报错如下：

ERROR: lt_dlopen ("/opt/collectd/lib/collectd/redis.so") failed: file not found. The most common cause for this problem is missing dependencies. Use ldd(1) to check the dependencies of the plugin / shared object.Stopping collectd:                                         [  OK  ]Starting collectd: ERROR: lt_dlopen ("/opt/collectd/lib/collectd/redis.so") failed: file not found. The most common cause for this problem is missing dependencies. Use ldd(1) to check the dependencies of the plugin / shared object.                                                           [  OK  ]

按照提示有ldd命令来分析：

ldd /opt/collectd/lib/collectd/redis.so

linux-vdso.so.1 =>  (0x00007fffebdd4000)libhiredis.so.0.13 => not foundlibdl.so.2 => /lib64/libdl.so.2 (0x00007ff213abd000)libc.so.6 => /lib64/libc.so.6 (0x00007ff213729000)/lib64/ld-linux-x86-64.so.2 (0x00000032c5600000)

原因很明显，找不到 libhiredis.so.0.13，它位于hiredis解压后的目录中。

把这个文件复制到对应位置：

cp ../hiredis/libhiredis.so /lib64/libhiredis.so.0.13

再用ldd命令查看：

ldd /opt/collectd/lib/collectd/redis.so

linux-vdso.so.1 =>  (0x00007fffb4bff000)libhiredis.so.0.13 => /lib64/libhiredis.so.0.13 (0x00007f2fe0987000)libdl.so.2 => /lib64/libdl.so.2 (0x00007f2fe0783000)libc.so.6 => /lib64/libc.so.6 (0x00007f2fe03ee000)/lib64/ld-linux-x86-64.so.2 (0x00000032c5600000)

依赖已经完整

/etc/init.d/collectd restart

Stopping collectd:                                         [  OK  ]Starting collectd:                                         [  OK  ]

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