How to Add External Storage to ownCloud 9
OwnCloud is a server software for data synchronization and file sharing with an easy to use web-based frontend that is available under an open source license. Owncloud can be installed on a linux or...
View Articlelinux文件类型
一、linux下面所有东西都是文件,既然是文件那么这些文件类型又是如何进行区分的呢??? 在windows下面是通过文件的扩展名来区分文件类型的,但是在linux中却不是这儿样的。在linux中就没有所谓的文件扩展名,一个linux文件能不能被执行时取决于它的属性中是否有x,与文件名一点关系都没有。一般我们所看到的文件扩展名只是为了给我们用户自己看的。...
View Articledocker在systemd下的配置问题
问题说明 最近在debian8上装了个docker,但是因为存储空间的问题,需要把docker的存放路径改一下。按照官方文档的说法,只要修改/etc/default/docker里的DOCKER_OPTS,加上-g参数即可: DOCKER_OPTS="-g /path/to/dockerdata"...
View ArticleDevuan Linux explained
Hello guys, welcome to 13th segment of " Introduction with linux Distro " . Today we have a Debian based distro as our guest . Devuan Linux is new to the Linux world. It can be a good lightweight...
View ArticleUsing rkt on my Fedora servers
Many of you already know that I moved all my web applications into containers on Fedora Atomic image based hosts. In the last few weeks, I moved a few of them from Docker to rkt on Fedora 25. I have...
View Article在ubuntu 16.04下编译openjdk8
JDK源码 版本为 openjdk-8-src-b132-03_mar_2014 。 编译环境 内核版本 uname -alinux jackie-MXC061 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:05 UTC 2016 i686 i686 i686 GNU/Linux Ubuntu版本 cat /proc/versionLinux...
View Article磁盘分区,raid,lvm,脚本编程_第七周练习
Q1:创建一个10G分区,并格式为ext4文件系统; (1) 要求其block大小为2048, 预留空间百分比为2, 卷标为MYDATA, 默认挂载属性包含acl; [root@promote ~]# fdisk /dev/sdb #将/dev/sdb进行分区操作;Device contains neither a valid DOS partition table, nor Sun, SGI or...
View ArticleKALI LINUX安装Metasploitable 3
为了满足你们强烈的欲望,这里就再介绍一下KALI linux 最新版环境下安装Metasploitable 3的步骤吧,不要在虚拟机中再安装虚拟机,否则可能会识别不了BIOS中的VT-X是否开启,我这KALI LINUX 64位是直接安装在电脑上的。 1、安装virtualbox virtualbox安装的姿势很多,kali之前的版本是可以通过apt-get install...
View Article如何限制一个用户的磁盘限额(quota)4步 [我是小白]
很多时候,我们可能需要限制某个用户可以使用的磁盘的大小,也就是我们常说的quota, 如何设置用户的磁盘配额呢? 只需要如下4步 1:激活(打开)磁盘配额功能 首先,我们要确定我们打开/etc/fstab ,编辑加入相关的参数 # cat /etc/fstab LABEL=/home/homeext2defaults,usrquota,grpquota1 2 这样的话我们的 /home...
View ArticleIssues with Vagrant after upgrading to Fedora 25
Fedora 25 was released over a month ago, so I decided it was time to upgrade from 24. Using the dnf plugin system-upgrade the entire process went smooth. The Fedora Magazine, as always, has a nice...
View ArticleFTP_Manager : A Simple Script To Install And Manage FTP Server In CentOS
Today, I have stumbled upon a script called FTP_Manager , created by a fellow linux user Mr.Janakiram Suragani . This script can be used by budding Linux system administrators to easily install and...
View Article在 CentOS 6.8 上安装 Python 2.7
CentOS 是使用最普遍的服务器端 linux 发行版,其主要原因还是因为 RedHat 公司出品的 RHEL 享誉盛名。很多公司目前使用的主要就是 CentOS 6.x 版本的操作系统。其实我个人不是很喜欢这个发行版,当然用了这么多年也不讨厌就是了。所以,一般朋友问我服务器装什么系统,如果对方完全不懂行的话,我会建议安装...
View ArticleWhy is my NTP server costing $500 per year? Part 1 (2014)
Our recent monthly Amazon AWS bills were much higher than normal―$40dollars higher than normal. What happened? We investigated and discovered our public NTP server was heavily loaded. Over a typical...
View Article正则表达式应用
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 -a /etc/skel /home/tuser1 chmod g-x /home/tuser1/ chmod o-x /home/tuser1/ 2、编辑/etc/group文件,添加组hadoop。...
View ArticleSet operations in unix shell (2008)
A while ago I wrote about how I solved the Google Treasure Hunt Puzzle Nr. 4 about prime numbers. I took an unusual approach and solved this problem entirely from the Unix shell. The solution involved...
View Article初识linux的三个时间
1.从命令看时间 在linux下,我们可以去查看一个文件的三个时间,比如:对于test.c文件我们可以查看时间,使用命令 stat查看 stat test.c 在这里我们得到以下信息。 通过上述信息,我们可以看到有许多信息,接下来,对于这三个时间,我们进行一番讲解。 2.深入理解三个时间 atime(Access...
View ArticleBasics of Making a Rootkit: From syscall to hook!
WARNING: This tutorial is for educational purposes only, and by NO MEANS should you actually be malicious when (or after) making a rootkit. I thought I'd share how to do this for any security minded...
View Article每天一个linux命令(9):touch 命令
(点击 上方公众号 ,可快速关注) 来源 : peida 链接:http://www.cnblogs.com/peida/archive/2012/10/30/2745714.html linux的touch命令不常用,一般在使用make的时候可能会用到,用来修改文件时间戳,或者新建一个不存在的文件。 1.命令格式: touch[选项]...文件... 2.命令参数:...
View ArticleMMC/SD/SDIO介绍
1. 前言 熟悉linux kernel的人都知道,kernel使用MMC subsystem统一管理MMC、SD、SDIO等设备,为什么呢?到底什么是MMC?SD和SDIO又是什么?为什么可以用MMC统称呢? 在分析Linux kernel的MMC subsystem之前,有必要先介绍一些概念,以便对MMC/SD/SDIO有一个大致的了解,这就是本文的目的。 2. 基本概念...
View Articlecryptsetup basics
Talking about encryption in the previous post, I realized there are a few details I keep having to look up. This is a collection of the Frequently Asked Questions about cryptsetup formatting and...
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