CentOS下清理缓存（drop_caches）
读写文件时，linux内核为了提高读写效率与速度，会将文件在内存中进行缓存，这就是Cache Memory(缓存内存)。 即使程序运行结束后，Cache Memory也不会自动释放。这就会导致程序频繁读写文件后，可用物理内存会很少。 其实这缓存内存(Cache Memory)在你需要使用内存的时候会自动释放，所以不必担心没有内存可用。 如果你希望手动去释放Cache...
View ArticleWhat’s up with nano?
As expected, the recent state of events where nano transitioned maintainership to Benno Schulenberg, and the project leftGNU, has a lot of people speculating about what happened, and more...
View ArticleCentOS 双网卡双IP双网关配置
最近淘了一个Sentris.net的VPS，机器给配置双IP双网卡，给了两个不同C段的地址，但默认情况下只有一个IP能用，因为默认网关只能一个…… 经过一番摸索，找到了方法可以让两个IP两个网关都跑起来~ 这个方法常用语双线或多线主机的情况下。不过鉴于和谐版的锐速只能监听运行在一个eth0网卡上，另一个可以跑点别的玩玩~ 0. 操作环境 OS:CentOS 6.8 IP1:11.22.33.44 /...
View ArticleASM 翻译系列第六弹：高级知识 如何映射ASMLIB管理的盘到它对应的设备名
ASM翻译系列导读： ASM 翻译系列第六弹：高级知识如何映射asmlib管理的盘到它对应的设备名 ASM 翻译系列第五弹：高级知识ASM元数据概述 ASM 翻译系列第四弹：高级知识kfed元数据编辑器 ASM翻译系列第三弹：ASM disk的基础知识 ASM 翻译系列第二弹：ASM 12C 版本新特性 ASM翻译系列第一弹：基础知识 ASM AU，Extents，Mirroring 和...
View ArticleResolve gpdb hanging on getaddrinfo() && Upgrade linux kernel to lat ...
Problem On centos7/rhel7, gpdb may hangs on recvmsg()/getaddrinfo() because of linux kernel bug, to address this we need to upgrade the kernel to latest version. (gdb) bt #0 0x00007fbef526a18d in...
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Open Source NFV Part Four: Open Source MANO
Sridhar Rao Sridhar received his Ph.D degree in computer science from National University of Singapore, in 2007; M.Tech. Degree in computer science from KREC, Suratkal, India, in 2000; and B.E. degree...
View ArticleMount.ecryptfs_private.c in eCryptfs-utils does not validate mount filesystem
National Cyber Awareness System Vulnerability Summary for CVE-2016-1572 Original release date: 01/22/2016 Last revised: 06/09/2016 Source: US-CERT/NIST Overview mount.ecryptfs_private.c in...
View ArticleFlatpak Officially Released for Next-Generation, Standalone GNU/Linux Apps
Softpedia has been informed by GNOME Project's Allan Day about the official unveiling and general availability of the Flatpak project for various GNU/linux operating systems. This is not the first time...
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The Perfect Server CentOS 7.2 with Apache, Postfix, Dovecot, Pure-FTPD, BIND...
This tutorial shows the installation of ISPConfig 3.1 ona CentOS 7.2 (64Bit) server. ISPConfig is a web hosting control panel that allows you to configure the following services through a web browser:...
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GSoC-Journey till Mid term evaluation
Hi readers, The bad habit I am having is that I don’t write whatever I do.But now I realised that it’s better to write about what you did to keep the record of it.This is one of the thing I learnt from...
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Top Reasons To Master Unix Shell Scripting In 2016
The time of Shell Scripting languages is here. Ranked No. 14 amongthe25 skills that can get you hired in 2016 by LinkedIn, Unix and Shell Programming, are among the top skills thatemployers are...
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openSUSE Conference Day 2
Frank Karlitschek, founder of Nextcloud and ownCloud, talks about a Global User Directory for Cloud and other services and applications. The second day of this year’s openSUSE Conference had two...
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Restaurants are using this method to keep you coming back (SBUX, DPZ, YUM)
digital-continues-to-drive-starbucks-sales-2016-4 This story was delivered to BI Intelligence Apps and Platforms Briefing subscribers. To learn more and subscribe, pleaseclick here. Many of the best...
View ArticleHow To Install Ubuntu 16.04
This is one of four related posts: Should You Install Ubuntu linux? Installing Ubuntu 16.04 LTS How to use Ubuntu Unity Things To Do After Installing Ubuntu 16.04 LTS Some Linux/Ubuntu related books:...
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Installing Arch Linux. Part 1
Arch linux is often rather challenging or scary when it comes to a newbie's first Linux experience. Some reasons you may want to go with Arch would be the Pacman package handler, or the fact that it...
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Goed: Terminal based code/text editor
GoEd Goed is a Terminal based code/text editor, somewhat inspired by Acme. CURRENT STATE: It's currently in ALPHA and has not been spread around much yet. I use it as my day to day editor and it "works...
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An Everyday Linux User Rant About Steam
When Valve's Steam was first introduced to linux it was seen as a great victory. Finally prime time gaming will be available to the Linux masses. That was some time ago now and there have been many...
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An Everyday Linux User Review Of PCLinuxOS 2016 MATE
Introduction It has been a bit of a slow year review wise. There are a lot of distributions that are due to release a new version soon including linux Mint and Zorin but others seem to be lagging...
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Spring Boot REST app in a Docker Container on the Raspberry Pi
Docker on the Raspberry Pi? Sure, with help from Hypriot who provide an iso image ready to go, getting docker up and running on the Pi is as simple as burning their image to an sd card and booting it...
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This Is How the New Linux Mint 18 Cinnamon Theme Looks Like
linux Mint project leader and maintainer Clement Lefebvre dropped some exciting news today about what users should expect from the upcoming Linux Mint 18 "Sarah" operating system. Last month we talked...
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