SEARCH KEYWORD -- linux
New features in Java 9
Java 9 is planned to be released in March 2017. It will be 3 years since Java 8 was released. Are you still excited about the new features introduced in Java 8 such as Lambda, new Date APIs etc? Now Java 9 is to be released and there are also quite a few fantastic new features to be introduced. Below is a list of major new features in Java 9. Modular system. Java 9 will introduce a brand new modular system to organize Java codes. The modular system will divide different packages into diffe...
JAVA,NEW FEATURE,JAVA 9 2016-04-05 09:56:01
The Reality
Everyone loves to talk about benchmarks. AMD’s Andy Parma recently wrote a blog that covers the top performance scores for the AMD Opteronâ„¢ 6200 Series processors. As marketing professionals, of course that’s what we talk about. What’s important to look at is the reality as well – what customers are actually purchasing. When you drive past car dealership, you’ll always see the fancy red sports car prominently displayed. It draws people in â€â...
AMD,Intel,Comparison,AMD vs Intel processor,artitecture 2011-11-15 08:33:58
The ‘Edge’ in Developing for Android Devices
In today’s times, the consumer is spoiled for choice with the number of options they have with respect to owning mobile device hardware and their operating systems. This diverse availability raises a critical question for both independent developers as well as large app development companies as to which platform to target. Although for larger app development companies, it is possible to simultaneously develop for multiple platforms, it might not be the case for small-scale enterprises. In...
Android App Development Company, Web Application Development Company, Android App Developers, Web De 2015-08-07 05:36:11
Use DTrace to diagnose gdb issues
A few days ago, I installed the newest 64-bit gdb program (version 7.7.1) on Solaris 10 (X86_64 platform) to debug programs. After playing with the gdb a day, I found 2 issues about gdb:(1) The "set follow-fork-mode child" command doesn't take effect. By default, after the parent process forks the child process, the gdb will track the parent process, so this command can make gdb begin to follow the child process. But this command works OK on Linux.(2) The gdb can't parse the 32-bit application c...
Use progressive JPEG to improve user experience
JPEG image files can have two different save types : Baseline JPEG and Progressive JPEG. Both of them have the same extension name but with different display effect. Baseline JPEG This type of JPEG files are scanned from top to bottom consecutively, each line of the image data will be saved sequentially. When opening this kind of images, data will be displayed with the save order line by line until all the data are read. If the image size is very large or network speed is very slow, the image wi...
USER EXPERIENCE,PROGRESSIVE JPEG,BASELINE JPEG 2013-07-25 08:11:50
How to secure an Ubuntu Apache web server
Securing server software is not a straightforward task. Not all of our operating environments are the same, leading to a variety of potential security vulnerabilities. However, using a few basic configuration and security options, you can stay a little ahead of where you want to be. 1. Fail2ban Fail2ban is a Python-based intrusion prevention software that detects and blocks malicious IP addresses from multiple unsuccessful attempts at software logins. In other words, if someone is attempt...
Unix server security,Log,.htaccess,Cache 2011-12-27 09:25:32
Server monitoring shell scripts
There are many open source server monitoring software such as cacti and nagios. Besides these, can we write our own shell scripts to monitor them? The shell scripts written by ourselves can fulfill our special requirements better and have a more detailed coverage. Below are some commonly used shell scripts used by Evangelist, an Oracle DBA. 1. Check network gateway traffic #!/bin/bash #network #Mike.Xu while : ; do time='date +%m"-"%d" "%k":"%M' day='date +%m"-"%d' rx_before='...
Server monitor,CPU,memory,shell 2013-08-30 21:56:14
OpenLDAP Proxy -- Introduction
OpenLDAP is an open source project which is intended to provide some commercial-grade, fully featured applications and development tools based on the well known Light-weight Directory Access Protocol(LDAP). Hence corporations which want to manage their user and group information can freely use these tools. OpenLDAP provides ldap servers, ldap clients and corresponding tools to work on LDAP. The LDAP server is called slapd(Stand-alone LDAP daemon). And it would serve as the server whi...
META,OPENLDAP,OPENLDAP PROXY,SLAPD,SLAPD.CONF,LDAP 2017-10-28 11:20:00
HeartBleed: Inside the heart, what causes the bleeding?
Just after a few weeks since Apple's famous goto fail bug, there is one bug in OpenSSL which catches the attention from the world again. The bug is named HeartBleed, found in OpenSSL library, a famous open source library supporting lots of SSL/TLS communication among server/client applications. The reason why this bug catches the attentions from the world is it affects almost all sites which are using the affected OpenSSL library, these includes many applications like Nginx server, some v...
OpenSSL,HeartBleed 2014-04-09 05:47:30
How to Encrypt Your Online Conversations
Do you ever get the feeling that somebody might be listening to or reading your private conversations? You're not crazy. Online platforms don’t hide that they use data from chats, searches, emails, and other places for targeted advertisements. Aside from being a massive invasion of privacy, it also puts your security at risk. But it is possible to prevent people from snooping on you. All you need is a little encryption. Check out these different ways you can add encryption into...
DATA SECURITY,VPN 2020-01-30 07:33:29
RECENT
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- GoLand connect to Hologres
- A journey to investigate a goroutine leakage case
- Understanding Slice Behavior in Go
- Breaking Barriers: How 3D Printing is Democratizing Product Development
- The Power of Efficiency: 10 Practical Energy-Saving Tips for Tech Startups
- Connect to SQLite using Go on Windows
- Break down defer statements in GoLang
- Rust vs Go: how to choose the best programming language for your project?
- more>>