日常运维遇到的部分问题集(解决方案来源自网络)

系统自带工具

yum,rpm命令卡死,(无错误提示)

解决参考(ref):http://www.aikaiyuan.com/10643.html
(重点:rpm包的数据库遭到损坏,执行 rm -f /var/lib/rpm/__db.00* 和 rpm –rebuilddb 命令即可。)

墙问题

pip速度太慢

解决参考(ref):http://blog.csdn.net/lambert310/article/details/52412059
(重点:清华大学源较好,测试:pip install -i https://pypi.tuna.tsinghua.edu.cn/simple gevent)

大数据

hbase在ganglia中监控项过多

解决参考(ref):http://blog.csdn.net/K_James/article/details/38117873?locationNum=3&fps=1
(ref):http://blog.shmuma.ru/2014/10/31/hadoop-metrics-filtering/
过滤不必要的hbase监控指标。
(重点):在如下添加:

cat hadoop-metrics2-hbase.properties
*.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31
*.sink.ganglia.period=10
# ip地址为gmond.conf指向的地址
hbase.sink.ganglia.servers=ip地址:8649
*.source.filter.class=org.apache.hadoop.metrics2.filter.RegexFilter
*.record.filter.class=${*.source.filter.class}
*.metric.filter.class=${*.source.filter.class}
hbase.sink.ganglia.metric.filter.exclude=^(.*table.*)|(\\w+metric)|(\\w+region\\w+)|(\\w+Assign\\w+)|(\\w+percentile)|(\\w+max)|(\\w+median)|(\\w+mean)|(\\w+min)|(MetaHlog\\w+)$

木马

杀软CLAMAV 相关文档

(安装)ref:https://ismailyenigul.wordpress.com/2015/01/05/install-clamav-on-centos-7/
(使用)ref:http://www.ithao123.cn/content-4542902.html
(参考)ref:http://wangzan18.blog.51cto.com/8021085/1740113

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