第四周作业
1、复制/etc/skel目录为/home/tuser1，要求/home/tuser1及其内部文件的属组和其它用户均没有任何访问权限。 [root@loalhost ~]# (umask 077; cp -r /etc/skel /home/user1) 2、编辑/etc/group文件，添加组hadoop。 [root@localhost ~]# sed -i '$a\hadoop:x:500'...
View Article马哥教育网络班22期+第2周课程练习 忍者乱太郎喻成
1、linux上的文件管理类命令都有哪些，其常用的使用方法及其相关示例演示？ type 查看文件类型的命令 type /dev/sda mkdir 创建文件夹 mkdir [ -p -v -m 777 ] /etc/mydir/mypublicfile tree 显示文件夹层级 tree [-L 3] directory_needs_check rm 删除文件 rm [-rfv]...
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N22-第四周作业
1、复制/etc/skel目录为/home/tuser1，要求/home/tuser1及其内部文件的属组和其它用户均没有任何访问权限。 ~]# cp -r /etc/skel /home/tuser1~]# chmod -R go= /home/tuser1/ 2、编辑/etc/group文件，添加组hadoop。 设定的GID为1200~]# echo "hadoop:x:1200:"...
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CentOS 5.8 x64安装VirtualBox-5.0虚拟机
CentOS 5.8 x64安装VirtualBox-5.0虚拟机，根据自己的环境下载相应的安装包：http://www.oracle.com/technetwork/server-storage/virtualbox/downloads/index.html#vbox1. 下载并安装for el5 virtualbox虚拟机安装包，安装过程如下（缺依赖包）[root@lvmtest ~]#...
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Kali Linux 2016无法打开VirtualBox问题解决
Kali linux在安装完virtualbox后，打开虚拟机会出现：kernel driver not installed （rc=1908）错误提示，根据提示，大概可以看出是由于缺少内核模块引起的，因为VirtualBox默认是在DKMS内核中运行，所以系统需要有DKMS的支持。所以最根本的是先需要下载linux-headers，我的解决步骤如下：1.输入命令 uname -r...
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Spotify Web Player for Linux Blurs Web and Desktop
You don’t need to tell me. I know it already: you’re sick of hearing about Spotify on this site. But be a champ and suck it up, cos I’m back with another app, one that letsthe world’s most popular...
View ArticleSteamOS 2.91 Beta Updates Linux Kernel to Improve ath10k Wireless Support
Valve released a new Beta version of the next stable branch of its SteamOS gaming distribution based on Debian GNU/linux, SteamOS 2.91, which was pushed to the brewmaster_beta channel on August 31,...
View ArticleLinux Kernel 3.12.63 LTS Has MIPS and Radeon Improvements, EXT4 and CIFS Fixes
Today, September 6, 2015, linux kernel developer Jiri Slaby announced the release and immediate availability of the sixty-third maintenance update to the long-term supported Linux 3.12 kernel series....
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New software: sicherboot
Today, I wrote sicherboot , a tool to integrate systemd-boot into a linux distribution in an entirely new way: With secure boot support. To be precise: The use case here is to only run trusted code...
View ArticleOrca Screen Reader App Updated for GNOME 3.22 with More LibreOffice Improvements
The Orca open-source screen reader and magnifier utility used by default in many GNU/linux distributions, especially those running the GNOME desktop environment, has received a major update recently....
View ArticleKDE Neon Linux Developer Edition Now Uses Wayland by Default for KDE Plasma 5.8
The revolution has started, and it looks like the next-generation display server, Wayland, is here to stay, being adopted by more and more GNU/linux distributions every month. The Fedora Project was...
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Docker 1.12.1 on Raspberry Pi 3 in 5 minutes
Docker 1.12.1 Final Release got announced last Friday. This update release holds solid number of bug fixes and feature improvements targeted to make Swarm Mode orchestration more stable and consistent....
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Linux/Mirai ELF :专门攻击物联网设备的恶意软件
linux/Mirai ELF :专门攻击物联网设备的恶意软件 6小时前来源：赛迪网 php?url=0ENZWge6Zx" alt="Linux/Mirai ELF :专门攻击物联网设备的恶意软件" />9月7日讯 MalwareMustDie的专家发现了一款名为“ELF Linux/Mirai”的新型ELF木马后门，正针对物联网设备展...
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Common errors using the Raspberry Pi camera module
Today’s blog post will take a short diversion from our recent trend of Deep Learning tutorials here on the PyImageSearch blog and instead focus on a topic that I’ve been receiving a ton ofemails about...
View ArticleAndroid on Raspberry Pi 3
There’s a thought-provoking post on GeekTillItHurts on how Android 7.0 Nougat can be run on the Raspberry Pi 3 . This offers new opportunities for entrepreneurs and developers to implement more single...
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Active Collab 5.11 Brings Less Email Notifications and Better File Management
The new update will make your team much more productive: now everyone can choose how much email they want to receive from Active Collab, plus share and preview cloud files inside Active Collab....
View ArticleThe Fridge: Schedule of UbuCon Europe released Registration is open
Big news about UbuCon Europe! In the last month we were running the call for contributions for our event, the deadline was on the 31st of July. Today we’re happy to announce the full schedule:...
View Article快速掌握grep命令及正则表达式
linux系统自带了支持拓展正则表达式的 GNU 版本 grep 工具，所有的Linux发行版中均默认安装grep ，grep 命令被用来检索一台服务器或工作站上任何位置的文本信息， 如何在 Linux 系统和类 Unix 的操作系统中使用带正则表达式的 grep 命令呢？ 快速了解正则表达式 1、如何匹配你要查找的内容？ 正则表达式只不过是每个输入行匹配的模式。 在 ‘/etc/passswd’...
View ArticlePokemon-Themed Umbreon Rootkit Targets Linux Systems On ARM and x86
New submitterKinwolf writes: Security researchers have identified a new family of linux rootkits that, despite running from user mode, can be hard to detect and remove. Called Umbreon, after a Pokemon...
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Linux进程管理和性能监控
监控系统的各方面的性能，保障各类服务的有序运行，是运维工作的重要组成部分，本篇就介绍一些常用的系统监控命令和相关参数的说明 具体包含以下几个部分： 1、进程管理基础 2、进程管理类工具(ps、top、htop、kill) 3、内存监控类工具(vmstat、pmap) 4、系统监控类工具(glances、dstat) 第一章进程管理基础概念 1、进程是什么...
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