<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[coisini的博客]]></title><description><![CDATA[Just do it !]]></description><link>https://blog.youkuaiyun.com/qq_34889607</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_34889607]]></copyright><item><title><![CDATA[centos7 磁盘刷新容量]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109296551</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109296551</guid><author>qq_34889607</author><pubDate>Mon, 26 Oct 2020 19:24:23 +0800</pubDate><description><![CDATA[1、添加一块新的硬盘sdb，40G
	# lsblk
	# mkdir /test
	# mkfs.ext4 /dev/sdb 
	# blkid | grep sdb
	# echo `blkid | grep sdb` &gt;&gt; /etc/fstab 
	# vim /etc/fstab
		UUID=6f515da7-181d-4974-8134-86e43cfb40f6 /test ext4 defaults 0 0
	# mount -a
	# lsblk
	# df -hT
	# cp ]]></description><category></category></item><item><title><![CDATA[extundelete 恢复删除数据]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109292333</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109292333</guid><author>qq_34889607</author><pubDate>Mon, 26 Oct 2020 16:22:40 +0800</pubDate><description><![CDATA[1.安装软件(extundelete依赖于系统的e2fsprogs三个软件包)
	# yum install e2fs*
		--安装extundelete软件的依赖包
	# wget http://nchc.dl.sourceforge.net/project/extundelete/extundelete/0.2.4/extundelete-0.2.4.tar.bz2
		--下载extundelete软件包
	# tar xvf extundelete-0.2.4.tar.bz2
		--解压软件包
]]></description><category></category></item><item><title><![CDATA[redhat8开机修改密码]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109257460</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109257460</guid><author>qq_34889607</author><pubDate>Sat, 24 Oct 2020 12:21:25 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[Centos7/Redhat7 禁止普通用户关机/重启]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109257442</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109257442</guid><author>qq_34889607</author><pubDate>Sat, 24 Oct 2020 12:19:59 +0800</pubDate><description><![CDATA[Centos7/Redhat7 禁止普通用户关机/重启
# vim /etc/polkit-1/rules.d/55-inhibit-shutdown.rules

polkit.addRule(function(action, subject) {
    if (action.id.indexOf("org.freedesktop.login1.power-off") == 0 ||
        action.id.indexOf("org.freedesktop.login1.reboot") =]]></description><category></category></item><item><title><![CDATA[记录一个Redhat7下关于yum的问题]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103684852</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103684852</guid><author>qq_34889607</author><pubDate>Sat, 24 Oct 2020 11:37:58 +0800</pubDate><description><![CDATA[系统重启后准备使用yum命令安装一个软件包，但是在安装的过程中出现如图所示错误：


[root@coisini ~]# yum install -y tree
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitleme...]]></description><category></category></item><item><title><![CDATA[centos7 redis安装过程中遇到的问题]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109227483</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109227483</guid><author>qq_34889607</author><pubDate>Sat, 24 Oct 2020 11:37:35 +0800</pubDate><description><![CDATA[# make MALLOC=libc &amp;&amp; make install PREFIX=/usr/local/redis/6.0.7




先检查gcc的版本是否低于5，如果是请先升级，可以使用以下命令：
# yum install -y centos-release-scl
# yum install -y devtoolset-7-gcc*
# scl enable devtoolset-7 bash
# gcc --version
gcc (GCC) 7.3.1 20180303 ...]]></description><category></category></item><item><title><![CDATA[centos7 install gcc-10.1.0]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/109227410</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/109227410</guid><author>qq_34889607</author><pubDate>Sat, 24 Oct 2020 11:37:12 +0800</pubDate><description><![CDATA[一、先安装依赖包，不然会报错
# yum install -y gcc 
# yum install -y perl-Thread-Queue
# yum install -y glibc-devel.i686
# yum install -y gmp-devel
# yum install -y glibc-headers gcc-c++

二、下载压缩包
# wget http://ftp.gnu.org/gnu/m4/m4-1.4.18.tar.gz
# wget http://ftp.gnu...]]></description><category></category></item><item><title><![CDATA[linux中vim基本使用]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/104049709</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/104049709</guid><author>qq_34889607</author><pubDate>Mon, 20 Jan 2020 11:32:02 +0800</pubDate><description><![CDATA[1、vim常用配置
~/.vimrc	# 仅对当前用户生效
/etc/vimrc	# 对所有用户生效
语法：
	syntax on	# 支持语法高亮，默认开启
	set hlsearch	# 打开搜索高亮，默认开启
	set nu	# 显示行号
	set nonu
	set ai	# 开启自动缩进
	set sw=4	# 自动缩进为4个空格
	set ts=4	# tab键4个空格
	set...]]></description><category></category></item><item><title><![CDATA[关于个人微信公众号说明]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/104038377</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/104038377</guid><author>qq_34889607</author><pubDate>Sun, 19 Jan 2020 11:50:20 +0800</pubDate><description><![CDATA[最近又重新活跃在微信公众号了，学习记录、技术分享也都转移到公众号了，所用到的软件、文档等，也都会在公众号文章中提供下载链接，欢迎大家关注我的个人公众号。



公众号：Linux运维那些事儿



这是我的公众号，欢迎关注。
...]]></description><category></category></item><item><title><![CDATA[Linux挂载光盘和配置本地yum源]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/104014004</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/104014004</guid><author>qq_34889607</author><pubDate>Fri, 17 Jan 2020 09:13:02 +0800</pubDate><description><![CDATA[1、手动临时挂载

练习1：挂载/dev/cdrom光驱中的光盘内容到/dvd目录。即将光盘的内容读到/dvd目录中。

mkdir /dvd

mount /dev/cdrom /dvd   #临时手动挂载光盘

ls /dvd   #显示/dvd目录的文件列表

df -hT   #查看磁盘空间

umount /dev/cdrom   #(不要做)卸载光盘(类似于u盘...]]></description><category></category></item><item><title><![CDATA[华为路由器配置RIP协议]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103860089</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103860089</guid><author>qq_34889607</author><pubDate>Mon, 06 Jan 2020 16:42:06 +0800</pubDate><description><![CDATA[1、路由器基本配置


R1：
&lt;Huawei&gt;system-view 
[Huawei]sysname R1
[R1]interface g0/0/0
[R1-GigabitEthernet0/0/0]ip address 10.10.10.1 255.255.255.0
[R1-GigabitEthernet0/0/0]interface g0/0/1
[R1-Gigabit...]]></description><category></category></item><item><title><![CDATA[华为路由器配置静态路由&默认路由]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103858505</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103858505</guid><author>qq_34889607</author><pubDate>Mon, 06 Jan 2020 15:35:24 +0800</pubDate><description><![CDATA[1、路由器基本配置


R1：
&lt;Huawei&gt;system-view 
[Huawei]sysname R1
[R1]interface g0/0/0
[R1-GigabitEthernet0/0/0]ip address 10.10.10.1 255.255.255.0
[R1-GigabitEthernet0/0/0]interface g0/0/1
[R1-Gigabit...]]></description><category></category></item><item><title><![CDATA[CCNA 实验三 RIP协议]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103821779</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103821779</guid><author>qq_34889607</author><pubDate>Fri, 03 Jan 2020 15:55:45 +0800</pubDate><description><![CDATA[1、PC1在LAN1中，PC2在LAN2 中，配置RIPv2协议实现两个LAN中的PC能够通信；

2、*使用Loopback口模拟LAN内的某一网段，手动汇总，R1和R2关于R3的环回口只

学到一条汇总路由；




1、PC1在LAN1中，PC2在LAN2 中，配置RIPv2协议实现两个LAN中的PC能够通信； 
基本配置

R-1
Router&gt;enable 
Router#c...]]></description><category></category></item><item><title><![CDATA[python 列子]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103799902</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103799902</guid><author>qq_34889607</author><pubDate>Thu, 02 Jan 2020 10:18:53 +0800</pubDate><description><![CDATA[&gt;&gt;&gt; for i in [1,2,3,4]:
	print(i)
else:
	print(i,'我是else')

	
1
2
3
4
4 我是else
&gt;&gt;&gt;
&gt;&gt;&gt; for i in [1,2,3,4]:
	if i &gt; 2:
		print(i)
else:
	print(i,'我是else')

	
3
4
4 我是else...]]></description><category></category></item><item><title><![CDATA[CCNA 实验二 静态路由和默认路由]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103782200</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103782200</guid><author>qq_34889607</author><pubDate>Tue, 31 Dec 2019 14:35:58 +0800</pubDate><description><![CDATA[实验要求：
1、PC1在LAN1中，PC2在LAN2中，配置静态路由实现两个LAN中的PC能够通信； 
2、去掉静态路由，配置默认路由使PC1与PC2能够通信； 

1、PC1在LAN1中，PC2在LAN2中，配置静态路由实现两个LAN中的PC能够通信；


# Router1
Router&gt;enable
Router#configure terminal
Router(conf...]]></description><category></category></item><item><title><![CDATA[CCNA 实验一 设备基本操作]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103779821</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103779821</guid><author>qq_34889607</author><pubDate>Tue, 31 Dec 2019 11:21:39 +0800</pubDate><description><![CDATA[这是之前收集的CCNA实验题，挺简单的，也是很基础的题目，再次翻出来练习这题主要是为了巩固下一些基础知识。


1、修改设备名称； 
Router&gt;enable
Router#configure terminal
Router(config)#hostname R-1

2、修改系统时间； 
R-1(config)#exit
R-1#clock set 9:15:00 december...]]></description><category></category></item><item><title><![CDATA[思科网络基础---ACL配置]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103730850</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103730850</guid><author>qq_34889607</author><pubDate>Fri, 27 Dec 2019 14:51:37 +0800</pubDate><description><![CDATA[记得这是多年前的一道作业题，如今再接触网络，感触颇深。

先提下配置要求吧，说实话，这拓扑图是真的简单，配置要不复杂，当然，这只是基本的训练题。

用RIP路由协议配置，实现网络连通。

1、终端PC-5的WEB浏览器上输入http://40.4.4.200，是否可以打开页面？

2、若要拒绝该网段访问Server-2的网站，该如何实现？

3、PC-6能否ping通R-1所连接主机？如果想拒绝所...]]></description><category></category></item><item><title><![CDATA[redhat6.9 安装ganglia监控服务]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/103621154</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/103621154</guid><author>qq_34889607</author><pubDate>Fri, 20 Dec 2019 09:46:51 +0800</pubDate><description><![CDATA[0、了解ganglia
Ganglia是UC Berkeley发起的一个开源集群监视项目，设计用于测量数以千计的节点。
Ganglia的核心包含gmond、gmetad以及一个Web前端。
主要是用来监控系统性能，如：cpu 、mem、硬盘利用率， I/O负载、网络流量情况等，
通过曲线很容易见到每个节点的工作状态，对合理调整、分配系统资源，提高系统整体性能起到重要作用。
(该简介来源于百度百科，...]]></description><category></category></item><item><title><![CDATA[python编程---example28]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/101012732</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/101012732</guid><author>qq_34889607</author><pubDate>Thu, 19 Sep 2019 09:49:09 +0800</pubDate><description><![CDATA[die.py

from random import randint

class Die():
	def __init__(self,num_sides=6):
		self.num_sides = num_sides

	def roll(self):
		return randint(1,self.num_sides)




die_visual.py

import pygal

f...]]></description><category></category></item><item><title><![CDATA[python编程---example27]]></title><link>https://blog.youkuaiyun.com/qq_34889607/article/details/101012601</link><guid>https://blog.youkuaiyun.com/qq_34889607/article/details/101012601</guid><author>qq_34889607</author><pubDate>Thu, 19 Sep 2019 09:41:30 +0800</pubDate><description><![CDATA[分子运动

import matplotlib.pyplot as plt
from random_walk import RandomWalk

while True:
	rw = RandomWalk(5000)
	rw.fill_walk()

	plt.figure(dpi=128, figsize=(10,6))

	point_number = list(range(rw.num_p...]]></description><category></category></item></channel></rss>