<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dhkfo66064</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dhkfo66064]]></copyright><item><title><![CDATA[在linux中设置优先使用ipv4,而不是ipv6]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746377</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746377</guid><author>dhkfo66064</author><pubDate>Sat, 21 Sep 2019 14:55:00 +0800</pubDate><description><![CDATA[背景: 有时候更新源的时候默认使用ipv6,而ipv6下载数据时候总出现问题. 所有想默认出口的时候优先使用ipv4出口访问,而不是ipv6.
要使用ipv4 连接优先而不必禁用ipv6，需要修改gai.conf配置文件使其生效。
debian系：修改/etc/gai.conf，取消下面这一行的注释
precedence ::ffff:0:0/96  100
redhat系：修改/etc...]]></description><category></category></item><item><title><![CDATA[关于Ubuntu中snap安装软件太慢解决办法]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746378</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746378</guid><author>dhkfo66064</author><pubDate>Fri, 20 Sep 2019 13:10:00 +0800</pubDate><description><![CDATA[两种方法,一是下载好包手动安装,二设置snap的代理.
下载安装包方式

到 https://uappexplorer.com/snaps 搜索需要的 snap 包,然后下载
下载的时候选择对应的平台. 如 amd arm64 ..
到下载snap的目录里面执行 sudo snap install xxx.snap --dangerous

设置snap 的代理

修改配置
sudo s...]]></description><category></category></item><item><title><![CDATA[常用命令备忘 xargs]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746376</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746376</guid><author>dhkfo66064</author><pubDate>Tue, 17 Sep 2019 15:04:00 +0800</pubDate><description><![CDATA[xargs 作为使用率很高的命令,但是长久不用就会模糊了记忆,所以要记录下来.
获取所有的cobbler相关的布尔值然后全部设置为真
getsebool -a|grep cobbler|awk '{print $1}'|xargs -i -n 1 setsebool -P {}  on
查看cobbler的布尔值状态
getsebool -a|grep cobbler|awk '{pri...]]></description><category></category></item><item><title><![CDATA[关于nginx反代jenkins报错 反向代理设置有误]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746373</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746373</guid><author>dhkfo66064</author><pubDate>Sun, 15 Sep 2019 00:39:00 +0800</pubDate><description><![CDATA[官方文档地址:
https://wiki.jenkins.io/display/JENKINS/Running+Jenkins+behind+Nginx
直接解决的配置文件吧.
这是使用子域名,不使用ssl
server {
    listen 80;
    server_name jenkins.domain.tld;
    return 301 https://$host$r...]]></description><category></category></item><item><title><![CDATA[备用shell管理方案之butterfly+nginx+https]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746374</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746374</guid><author>dhkfo66064</author><pubDate>Sat, 14 Sep 2019 19:40:00 +0800</pubDate><description><![CDATA[安装butterfly+nginx https
1. 安装butterfly

yum install python36 python36-pip python36-devel -y
pip install butterfly
pip install butterfly[themes]  # If you want to use themes
pip install butterfly[...]]></description><category></category></item><item><title><![CDATA[利用nc当作备用shell管理方案.]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746371</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746371</guid><author>dhkfo66064</author><pubDate>Fri, 13 Sep 2019 18:41:00 +0800</pubDate><description><![CDATA[ssh 有时候真的就是连不上了,然后是没什么然后了呢. 或者手残改错配置然后重新sshd了.
所以这时候需要备用的远程管理工具.nc是最好的选择,一般服务器都是 内网的,如果跳板机也管理不了呢.
安装 (服务端 客户端 都装)
yum install nc -y
apt install netcat -y
这里你需要知道的一些事情
理想中的 nc -l -vv -p 5555 -e /b...]]></description><category></category></item><item><title><![CDATA[修改windows网络参数,让上网更快]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746372</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746372</guid><author>dhkfo66064</author><pubDate>Thu, 12 Sep 2019 21:59:00 +0800</pubDate><description><![CDATA[管理员运行CMD，运行
netsh int tcp show global
查询活动状态...
 
TCP 全局参数
----------------------------------------------
接收端缩放状态 : enabled
接收窗口自动调节级别 : normal
附加拥塞控制提供程序 : default
ECN 功能 : disabled
RFC 1323 时间戳...]]></description><category></category></item><item><title><![CDATA[linux 常用性能优化]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746369</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746369</guid><author>dhkfo66064</author><pubDate>Thu, 12 Sep 2019 00:35:00 +0800</pubDate><description><![CDATA[linux 常用性能优化
1. 优化内核相关参数
配置文件/etc/sysctl.conf

配置方法直接将参数添加进文件每条一行.


sysctl -a可以查看默认配置
sysctl -p 执行并检测是否有错误
例如设置错了参数:
[root@ossec makeit]# sysctl -p
net.ipv4.ip_forward = 1
sysctl: cannot stat /p...]]></description><category></category></item><item><title><![CDATA[安装wazuh-agent]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746370</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746370</guid><author>dhkfo66064</author><pubDate>Tue, 10 Sep 2019 22:16:00 +0800</pubDate><description><![CDATA[安装wazuh-agent
1. windows
下载地址:https://packages.wazuh.com/3.x/windows/wazuh-agent-3.9.5-1.msi
安装运行


设置服务端ip
设置服务端生成的key.

设置端生成ip
root@wazuh-manager:/# /var/ossec/bin/manage_agents
#1. 按A添加一个agen...]]></description><category></category></item><item><title><![CDATA[使用docker安装wazuh]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746367</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746367</guid><author>dhkfo66064</author><pubDate>Tue, 10 Sep 2019 16:04:00 +0800</pubDate><description><![CDATA[使用docker安装wazuh
centos下安装wazuh
官方文档:
https://documentation.wazuh.com/3.9/installation-guide/installing-wazuh-manager/linux/centos/wazuh_server_packages_centos.html#wazuh-server-packages-centos
中文...]]></description><category></category></item><item><title><![CDATA[命令备忘 ss]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746368</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746368</guid><author>dhkfo66064</author><pubDate>Tue, 10 Sep 2019 00:07:00 +0800</pubDate><description><![CDATA[简介：
Socket Statistics（ss）命令类似于netstat，它用于显示各种有用的网络套接字信息。
长时间看，已经注意到netstat这个命令程序已经过时了。从而代替netstat的是ss命令。一个全新的ss命令使用起来必定有些陌生，不过ss许多选项与netstat使用的选项类似，但我们还会看到一些差异。
ss命令是Linux CentOS 7中iproute软件包的一部分...]]></description><category></category></item><item><title><![CDATA[常用命令备忘 lsof]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746365</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746365</guid><author>dhkfo66064</author><pubDate>Tue, 10 Sep 2019 00:06:00 +0800</pubDate><description><![CDATA[lsof命令

可以列出被进程所打开的文件的信息。被打开的文件可以是


1.普通的文件，
2.目录

3.网络文件系统的文件，
4.字符设备文件

5.(函数)共享库
6.管道，命名管道
7.符号链接
8.底层的socket字流，网络socket，unix域名socket
9.在linux里面，大部分的东西都是被当做文件的

怎样使用lsof

1.列出所有打开的文件:

​ lsof...]]></description><category></category></item><item><title><![CDATA[使用内存来优化磁盘缓存的读写速度]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746366</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746366</guid><author>dhkfo66064</author><pubDate>Mon, 09 Sep 2019 16:24:00 +0800</pubDate><description><![CDATA[主角 /dev/shm
/dev/shm目录并不属于磁盘，而是内存.请看
(base) [root@localhost makeit]# dd if=/dev/zero of=/dev/shm/aa bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 0.44139...]]></description><category></category></item><item><title><![CDATA[pve 导入 ova]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746364</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746364</guid><author>dhkfo66064</author><pubDate>Fri, 06 Sep 2019 22:08:00 +0800</pubDate><description><![CDATA[匆忙记录
Proxmox includes qm importdisk as command.
Extract your ova:
tar -xvf *.ova
Create a new VM without harddisks.
Import Your harddisks like this: (targetvmid is the vmnumber)
qm importdisk tar...]]></description><category></category></item><item><title><![CDATA[grafana+mysql忘记admin密码解决方法]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746363</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746363</guid><author>dhkfo66064</author><pubDate>Thu, 05 Sep 2019 20:31:00 +0800</pubDate><description><![CDATA[通过mysql修改admin的密码.
我之前注册了一个用户,所以我直接复制lvusyy这个用户的密码即可.
update user inner join (select password,salt,rands from user where user.login='lvusyy') as t  set user.password=t.password,user.salt=t.salt,u...]]></description><category></category></item><item><title><![CDATA[grafana 的配置文件,和使用mysql数据库做持久化]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746362</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746362</guid><author>dhkfo66064</author><pubDate>Fri, 30 Aug 2019 17:18:00 +0800</pubDate><description><![CDATA[grafana 配置文件
vim /etc/grafana/grafana.ini
下面有些参数在新版中6.x版本中已经过时,请参考下面官网最新帮助文档为准
https://grafana.com/docs/installation/configuration/#remote-cache
[paths]
data = /var/lib/grafana # 用来存储sqlite3、临时文...]]></description><category></category></item><item><title><![CDATA[贴两个mysql优化的配置文件]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746252</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746252</guid><author>dhkfo66064</author><pubDate>Fri, 30 Aug 2019 16:50:00 +0800</pubDate><description><![CDATA[MySQL5.7以上my.cnf配置文件配置
低配置服务器配置
[client]
#客户端设置
port    = 3306
socket    = /data/mysql/data/mysql.sock
default-character-set = utf8mb4

[mysqld]
user    = mysql
port    = 3306
socket    = /data/m...]]></description><category></category></item><item><title><![CDATA[Zabbix监控win10系统]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746251</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746251</guid><author>dhkfo66064</author><pubDate>Fri, 30 Aug 2019 15:37:00 +0800</pubDate><description><![CDATA[Zabbix监控win10系统
1. 在win10下安装zabbix-agent
zabbix-agent下载地址:https://www.zabbix.com/downloads/4.2.6/zabbix_agent-4.2.6-win-amd64-openssl.msi
1.1 安装zabbix-agent


2. 配置模板[主动模式需要配置,被动模式请跳过]
​ 路径 配置-&g...]]></description><category></category></item><item><title><![CDATA[zabbix监控mysql]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746250</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746250</guid><author>dhkfo66064</author><pubDate>Thu, 29 Aug 2019 19:31:00 +0800</pubDate><description><![CDATA[zabbix监控mysql
方案1: 使用官方 推荐的方案 https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/templates/db/mysql
方案2: 自己写脚本
问题: 官方在 Zabbix 4.2.1 上测试通过,而我安装的zabbix 4.2.6 版本的. 在配置mysql用户信息时出问题了.
我直接创建一个zab...]]></description><category></category></item><item><title><![CDATA[http状态码-备查]]></title><link>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746253</link><guid>https://blog.youkuaiyun.com/dhkfo66064/article/details/101746253</guid><author>dhkfo66064</author><pubDate>Tue, 27 Aug 2019 20:52:00 +0800</pubDate><description><![CDATA[http状态码分类



分类
分类描述




1**
信息，服务器收到请求，需要请求者继续执行操作


2**
成功，操作被成功接收并处理


3**
重定向，需要进一步的操作以完成请求


4**
客户端错误，请求包含语法错误或无法完成请求


5**
服务器错误，服务器在处理请求的过程中发生了错误



http状态码列表



状态码
状态码英文名称
中文描述




100
...]]></description><category></category></item></channel></rss>