今天有幸参加了一次考试,碰到的一些考题如下: 很多东西,明明都是会的,可是就是写不出来.可见自己的Linux基础还是很薄弱,懒得去记这些有用的东西.既然自己不是老板,不是项目经理,就该努力记住这些基础知识. 希望自己改掉偷懒的坏习惯. 网络设置目录(能否闭上眼睛写出目录)etc/sysconfig/network-scripts/ifcfg-eth0 iptables 设置iptables有几张表,几条链(4表5链)允许某一台服务器访问本机3306端口游戏服务器服务端口9000,开放所有服务器均…

Summary of Critical and Exploitable iOS Vulnerabilities in 2016 Author:Min (Spark) Zheng, Cererdlong, Eakerqiu @ Team OverSky 0x00 Introduction iOS security is far more fragile than you believe. And there are lots of critical and exploitable iOS vuln…

前面的话 HTML5不仅新增了语义型区块级元素及表单类元素,也新增了一些其他的功能性元素,这些元素由于浏览器支持等各种原因,并没有被广泛使用 文档描述 <details>主要用于描述文档或文档某个部分的细节,与<summary>配合使用可以为<details>定义标题.标题是可见的,用户点击标题时,显示出details [注意]这两个标签只有chrome和opera支持 <details> 该标签仅有一个open属性,用来定义details是否可见(默认为不…

Given a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,2,4,5,7], return ["0->2","4->5","7"]. Credits:Special thanks to @jianchao.li.fighter for adding this problem and…

Network Basic Commands Summary set or modify hostname a)     temporary ways hostname NEW_HOSTNAME, but if you reboot your system, it will disabled. b)    permanent ways: edit "/etc/sysconfig/network" HOSTNAME, then restart system, it will effect…

30.13 Summary Network management protocols allow a manager to monitor and control routers and hosts. A network management client program executing on the manager's workstation contacts one or more servers, called agents, running on the devices to be…

==> Downloading https://homebrew.bintray.com/bottles/nginx-1.10.1.el_capitan.bot######################################################################## 100.0%==> Pouring nginx-1.10.1.el_capitan.bottle.tar.gz==> CaveatsDocroot is: /usr/local/var/…

Design and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. s…

[re: Orchard CMS] This caused me scratching my head for days and now I can even feel it's bleeding. The answer however is the simplest. Because it's not obviously indicated anywhere, I was anticipating the layout only works for the detail view of A c…

转自:http://blog.evjang.com/2017/01/nips2016.html           Eric Jang Technology, A.I., Careers               Monday, January 2, 2017 Summary of NIPS 2016   The 30th annual Neural Information Processing Systems (NIPS) conference took place in Barcelona…