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学习LINUX你要知道这些

相信大家肯定对linux不陌生,现在很多公司都开始重视LINUX了,例如微软,它开源了PowerShell并越来越重视LINUX,从种种迹象表明,linux这条路越来越热门。下面由我为大家讲讲如何学习LINUX 1.找一本适合自己书籍...

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Ntfy: A utility for sending notifications

About ntfy ntfy brings notification to your shell. It can automatically provide desktop notifications when long running commands finish or it can send push notifications to your phone when a specific...

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Linux基础知识之sed流编辑器详解

之前介绍了三大文本编辑器的grep,这里介绍比grep功能更强的sed流编辑器 linux文本处理工具grep和正则表达式及egrep与grep区别 http://www.linuxidc.com/Linux/2016-08/134046.htm sed是什么? sed是Stream EDitor的缩写,man中对sed的简介为 sed - stream editor for filtering...

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Linux基础知识之bash脚本编程初级-变量与算术运算

什么是变量? 变量最初来源于数学,指的是非固定的值可变化的数通常用拉丁字母表示。在计算机中变量它依旧指的是可变化的数,只不过表现形式有些变化。它指的是 变量名+所指向的内存空间 。 以下实验环境均在CentOS7.2进行 变量的特点 变量分强类型变量,与弱类型变量 强类型变量 :变量需事先声明且需提前定义其变量存储格式 弱类型变量 :不需事先声明,不需定义变量存储格式。 bash把所有 变量统统视作...

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Linux bash脚本编程初级-逻辑运算与测试

引言 前面介绍了 bash编程的基础变量与算术表达式 ,本文介绍在脚本中的进阶知识: 测试 在bash中测试大体分两部分: 条件测试、组合测试 。 而条件测试有分: 数值测试 、 字符串测试 、 文件测试 。 组合测试则有两种表达方式。具体是什么表达方式在文章中会有具体展示。 本文实验环境为CentOS7.2 linux中为什么要学习测试(判断)?...

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海量的超赞 Linux 软件

海量的超赞 linux 软件 昨天来源:伯乐在线 php?url=0EICI6ClrC" alt="海量的超赞 Linux 软件" /> 这个仓库收集了对任何用户/开发者都超赞的 Linux 应用软件。 请随意 contribute / star / fork / pull request。欢迎一切推荐和建议。 更新:原英文库已经在 Gitbook...

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追风-感谢Linux运维路上指路人

记 我的linux运维之路 感恩的心,感谢有你,首先感谢我的指路人和Linux高级运维导师吴光科老师。关于过往,有太多的想要表达,只恨自己文字功力太浅薄,对于过去,做微小总结,借此,表达对青春的热爱和祭奠。 北京,15年的春天;阳光明媚,车窗外略过的微微的淡绿让我心中思绪万千,泛起丝丝的荡漾,仿佛之前的时光就在眼前,历历在目难以忘怀,难以割舍。...

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深入剖析linux磁盘管理

一、linux中常见的磁盘:...

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Linux学习笔记:文件的权限

linux 是一个多用户、多任务的系统,常常有多人同时使用一台机工作,为了保护每个人的隐私权,“文件所有者”的角色就显得相当重要了。当Linux用户登录系统之后,就会携带一个用户身份(User ID,UID)和一个用户组身份(Group ID,GID),相当于自己的名片。当需要访问文件或程序时,刷一下名片就能知道是否能读、写、执行了。。 在根目录下输入 ls - l 可看到如下信息:...

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Oracle Linux ACK counter limit security flaw

Recently a new security flaw has been found in the main TCP/IP networking subsystemens of the linux operating system. The 3.6 Linux kernel introduced a global challenge ACK counter limit in order to...

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Cracks are showing in Uber but the company coming out of the shell is not...

Uber CEO Travis Kalanick REUTERS/Danish Siddiqui Uber had been untouchable. The $69 billion ride-hailing companywas like an invasive species,planting itself in cities throughout the world and forever...

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神器strace, ltrace

作者: tiankonguse | 更新日期: 2016-08-28 20:31:00 早在14年上半年实习的时候,就了解了strace并经常定位问题,但是一直没深入了解,现在深入的了解一下。 简介 strace主要用于跟踪系统调用和信号。 ltrace用于跟踪用户级别的函数。 可以解决的问题: 查看哪些系统调用负载较高 查看系统调用耗时 定位一些疑难杂症问题 系统调用 strace...

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This App Integrates Spotify Web With Your Ubuntu Desktop

As we reported on earlier in theyear, the official Spotify for linux app is no longer underactive development . Sure, itstill receives minor updates now and then, but only inthe bits of the code it...

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Clarity (Vector Design) Icon Theme for Linux Desktop’s

Clarity Icon Theme is completely different from other icon themes because its purly based on Vector design. This theme is based on AwOken and Token, lots of shapes and basic color pallete was taken...

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How to force users to use secure passwords on Ubuntu/Debian Linux

M y linux shell user can modify their password using the passwd command. How can I force users to choose the secure password that will prevent users from using stupid passwords like “abc123”,...

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Linux入门一:使用Vmware虚拟机 安装Linux

linux入门一:使用Vmware虚拟机 安装Linux 4小时前来源:CSDN博客 使用Vmware虚拟机安装Linux会出现一些问题,特地将其记录下来. 安装步骤: ①:安装Vmware虚拟机[中文为威睿]: Vmware虚拟机的优点: 1.不需要分区或者重新开机就能再一台PC上使用2种以上操作系统[windows,Linux,Dos等]. 2.隔离性[保护不同环境的应用软件,资料]....

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Maru OS mixes a custom ROM with a dockable Debian desktop, and now it's open...

The idea of a smartphone that magically turns into a full PC has been something of a pipedream for a while now. Motorola tried it with its Atrix laptop dock, Canonical is trying something similar with...

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Collabora's Devs to Bring Performance Improvements to Emulated NVMe Devices

We reported earlier this month that Collabora's developers contributed patches to the upcoming linux 4.8 kernel to bring the open source Intel graphics driver on par with its windows equivalent . And...

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Linux Kernel 3.10.103 LTS Has Lots of MIPS Improvements, Updated Radeon Drivers

Today, August 28, 2016, linux kernel developer Willy Tarreau announced the release of the one hundred and third maintenance update to the long-term supported Linux 3.10 kernel series. For some reason,...

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Geary 0.11.2 Email Client Improves Showing of Right-To-Left (RTL) Messages

A new version of the popular Geary open-source email client for GNU/linux distributions has been made available for download earlier today, August 28, 2016. Geary 0.11.2 is now the latest stable...

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