<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[linux运维交流学习]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jacklinping</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jacklinping]]></copyright><item><title><![CDATA[openwrt-编译模块-tc、nginx，uhttpd(https),ssl.https]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/126902235</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/126902235</guid><author>jacklinping</author><pubDate>Sat, 17 Sep 2022 10:39:50 +0800</pubDate><description><![CDATA[openwrt-编译模块]]></description><category></category></item><item><title><![CDATA[修改文件的属性，让文件不能被编辑]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/123897415</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/123897415</guid><author>jacklinping</author><pubDate>Fri, 01 Apr 2022 14:36:56 +0800</pubDate><description><![CDATA[Linux chattr命令用于改变文件属性。
这项指令可改变存放在ext2文件系统上的文件或目录属性，这些属性共有以下8种模式：
a：让文件或目录仅供附加用途。
b：不更新文件或目录的最后存取时间。
c：将文件或目录压缩后存放。
d：将文件或目录排除在倾倒操作之外。
i：不得任意更动文件或目录。
s：保密性删除文件或目录。
S：即时更新文件或目录。
u：预防意外删除。
加属性：chattr +i /etc/resolv.conf
去掉属性：chattr +i /etc/resolv.conf

...]]></description><category></category></item><item><title><![CDATA[2021-04-27]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/116208471</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/116208471</guid><author>jacklinping</author><pubDate>Tue, 27 Apr 2021 19:45:58 +0800</pubDate><description><![CDATA[用deepin 安装 微信 和小程序开发工具
1.安装小程序开发工具 ：
sudo dpkg -i deepin.com.wechat.devtools_1.01.1711160deepin0_i386.deb
小程序开发工具 安装好了点图标没反应，看日志:
deepin.com.wechat.devtools.desktop[13531]: ./nw: error while loading shared libraries: libXtst.so.6: cannot open shared object]]></description><category></category></item><item><title><![CDATA[序列号]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84919314</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84919314</guid><author>jacklinping</author><pubDate>Thu, 19 Apr 2018 11:42:29 +0800</pubDate><description><![CDATA[
YC592-8VF55-M81AZ-FWW5T-WVRV0]]></description><category></category></item><item><title><![CDATA[linux下python指定编码写文件让windows下查看不乱码]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84917999</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84917999</guid><author>jacklinping</author><pubDate>Mon, 26 Mar 2018 12:34:57 +0800</pubDate><description><![CDATA[import sys 
import chardet
reload(sys)

print sys.getdefaultencoding()  &gt;&gt; ascii
sys.setdefaultencoding('utf-8')  #重新指定python 的编码格式
print sys.getdefaultencoding()  &gt;&gt; utf-8
 python 默认的编码是ascii ...]]></description><category></category></item><item><title><![CDATA[Requirement.parse('six]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84914038</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84914038</guid><author>jacklinping</author><pubDate>Tue, 26 Dec 2017 09:54:10 +0800</pubDate><description><![CDATA[安装influxdb-python 报错
error: Could not find suitable distribution for Requirement.parse('six

。。。。

slution：安装setuptools 解决

]]></description><category></category></item><item><title><![CDATA[apr-util]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84913505</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84913505</guid><author>jacklinping</author><pubDate>Thu, 14 Dec 2017 17:55:49 +0800</pubDate><description><![CDATA[安装apr-util 报错
方法：yum install expat-devel]]></description><category></category></item><item><title><![CDATA[mongodb耗内存]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84908575</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84908575</guid><author>jacklinping</author><pubDate>Sat, 09 Sep 2017 09:09:17 +0800</pubDate><description><![CDATA[配置24G内存
mongodb3.0 用的内存的要求不高，
升到3.2.9的时候内存用的有点多，达到80%左右，mongodb经常由于oom挂掉
升到3.4.5的时候内存又降了一点维持在40%左右

升级：从3.0升到3.4,必须先从3.0升到3.2,再从3.2升到3.4
...]]></description><category></category></item><item><title><![CDATA[https 证书文 生成]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84907736</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84907736</guid><author>jacklinping</author><pubDate>Sat, 26 Aug 2017 16:45:37 +0800</pubDate><description><![CDATA[openssl genrsa -des3 -out jack.key 2048
openssl req -new -key jack.key -out jack.csr
openssl req -new -x509 -days 3650 -key jack.key -out jack.crt
openssl rsa -in jack.key -out jack1.key   #  用上面长生...]]></description><category></category></item><item><title><![CDATA[redis迁到ssdb]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84905900</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84905900</guid><author>jacklinping</author><pubDate>Fri, 04 Aug 2017 20:35:31 +0800</pubDate><description><![CDATA[1.下载、编译ssdb
wget --no-check-certificate https://github.com/ideawu/ssdb/archive/master.zip
unzip master
cd ssdb-master
make

启动ssdb：#    ssdb-server  ssdb.conf

2.安装php  (先安装 libxml2 ，g++ ：yum ...]]></description><category></category></item><item><title><![CDATA[eclipse配置环境]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84901915</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84901915</guid><author>jacklinping</author><pubDate>Sat, 17 Jun 2017 11:10:57 +0800</pubDate><description><![CDATA[#api,deviceserver，jetty ，tomcat eclipse  配置
先 git clone edogserver，deviceserver
cd edogserver ; 
切换到远程newuser分支: git checkout -t origin/newuser

下载并启动eclipse，在edogserver 同级目录下新建一个文件夹，作为workspace用...]]></description><category></category></item><item><title><![CDATA[ubuntu12.04 u盘启动失败]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84901778</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84901778</guid><author>jacklinping</author><pubDate>Thu, 15 Jun 2017 13:59:08 +0800</pubDate><description><![CDATA[ubuntu12.04 u盘启动失败

用dd制作优盘 启动成功
先unmunt u盘（sd*）
dd if=*.iso of=/dev/sd*   
]]></description><category></category></item><item><title><![CDATA[aapt 安装]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84897279</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84897279</guid><author>jacklinping</author><pubDate>Tue, 06 Jun 2017 09:43:39 +0800</pubDate><description><![CDATA[yum install glibc.i686 zlib.i686 libstdc++.i686 -y

problem encounted while install libstdc++.i686：
Protected multilib versions: libstdc++-4.4.7-18.el6.i686 != libstdc++-4.4.7-4.el6.x86_64


sol...]]></description><category></category></item><item><title><![CDATA[全志编译环境安装]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84897167</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84897167</guid><author>jacklinping</author><pubDate>Mon, 05 Jun 2017 11:18:19 +0800</pubDate><description><![CDATA[#####1.apt-get install zlib1g-dev libncurses5-dev libncurses5-dev bison autoconf wget patch dos2unix libgles2-mesa-dev libgles2-mesa gcc-arm-linux-gnueabi g++-arm-linux-gnueabi  u-boot-tools zlib1g.de...]]></description><category></category></item><item><title><![CDATA[cassandra 重启失败，nullpoint exception]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84876837</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84876837</guid><author>jacklinping</author><pubDate>Tue, 14 Mar 2017 17:52:33 +0800</pubDate><description><![CDATA[java.lang.NullPointerException: null
	at org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers
提示: /data/******/la-** 不存在

原因：
用 find  ./ -name &quot;la-*&quot; -mtime +n -print -de...]]></description><category></category></item><item><title><![CDATA[spark-note]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84857935</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84857935</guid><author>jacklinping</author><pubDate>Sat, 25 Feb 2017 10:57:57 +0800</pubDate><description><![CDATA[import org.apache.spark.sql.SQLContext
import org.apache.spark.{SparkConf, SparkContext}
import org.apache.spark.sql.types._
import spark.implicits._
import org.apache.spark.sql.functions.udf

i...]]></description><category></category></item><item><title><![CDATA[pyspark mongodb问题]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84856347</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84856347</guid><author>jacklinping</author><pubDate>Wed, 15 Feb 2017 19:36:25 +0800</pubDate><description><![CDATA[问题1：
root 用户运行pyspark 没问题
hadoop 用户运行就报如下错

df1 = spark.read.format(&quot;com.mongodb.spark.sql.DefaultSource&quot;).option(&quot;collection&quot;,&quot;devices&quot;).load()
17/02/15 19:34:26 WARN MongoInferSchema: Field 'de...]]></description><category></category></item><item><title><![CDATA[zeppelin,hadoop,spark 运行失败解决]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84853590</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84853590</guid><author>jacklinping</author><pubDate>Thu, 19 Jan 2017 17:58:47 +0800</pubDate><description><![CDATA[运行zeppelin 0.6.×时遇到问题：（0.7.*不需要下面的步骤的）
1. java.lang.NoSuchMethodError: org.apache.hadoop.tracing.SpanReceiverHost.get(Lorg/apache/hadoop/conf/

solution：
cd zeppelin-0.6.2-bin-all/lib
rm hadoop-a...]]></description><category></category></item><item><title><![CDATA[Nginx https 支持]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84835683</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84835683</guid><author>jacklinping</author><pubDate>Mon, 16 Jan 2017 15:26:23 +0800</pubDate><description><![CDATA[产生证书文件：
openssl genrsa -des3 -out jack.key 2048
openssl req -new -key jack.key -out jack.csr
openssl req -new -x509 -days 3650 -key jack.key -out jack.crt

#passwd: passphrase

启动nginx 免密码，要重新 ...]]></description><category></category></item><item><title><![CDATA[URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify fai]]></title><link>https://blog.youkuaiyun.com/jacklinping/article/details/84825586</link><guid>https://blog.youkuaiyun.com/jacklinping/article/details/84825586</guid><author>jacklinping</author><pubDate>Tue, 08 Nov 2016 16:56:23 +0800</pubDate><description><![CDATA[URLError: 

用python2.7.9 向https：//××××××× post 数据时 报错。

原因：
网站用了自己的证书而非官方授权的证书

解决方法：#不用验证 证书
import ssl
ssl._create_default_https_context = ssl._create_unverified_context  ...]]></description><category></category></item></channel></rss>