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  etcd installation and usage

etcd is an open source and highly available distributed key-value storage system and is commonly used in critical data storage and service discovery and registration use cases. It is focusing on: Simple: well-defined, user-facing API (gRPC) Secure: automatic TLS with optional client cert authentication Fast: benchmarked 10,000 writes/sec Reliable: properly distributed using Raft etcd and Redis both support key-value storage and can be set up in distributed systems. Also Redis supporst more key...

   ETCD,TUTORIAL,RAFT,DISTRIBUTED SYSTEM     2021-03-07 03:10:33

  Microsoft will drop support of IE8, IE9 and IE10

Microsoft will push the last set of security updates for IE8, IE9 and IE10 next Tuesday(January 12). Thereafter that Microsoft will drop support of these three versions of IE. These are some other old products given up by Microsoft since Windows 7.  IE11 will be the only Internet Explorer supported and Edge will be another star advocated by Microsoft. The good news is you will not get annoying notification from Microsoft anymore to ask you to upgrade your IE. But the bad news users&nb...

   MICROSOFT,IE,NEWS     2016-01-09 07:55:44

  Difference between keystore and truststore

Security has become a vital concern in most of the online transactions nowadays. Lots of the world's most popular websites have adopted security protocols to transfer data, especially sensitive data. These security protocols including SSL/TLS which are using the private/public key exchange mechanism to establish secure connections.  The private/public key cryptography is a really important invention and it allows data to be transferred securely and solves the big problem of transferrin...

   KEYSTORE,TRUSTSTORE,SECURITY,SSL     2017-03-04 07:52:47

  Chrome extension manifest v2 migration to v3

In 2023, Google would not allow Chrome extensions with manifest version before v3 to be listed on Chrome web stores as v3 extensions add more security privacy related restrictions on some of the functions. Hence all extensions with manifest v2 must migrate to v3. In this post, we would show how we did the migration for one of our extensions and the changes made. There is a checklist provided by Chrome team on what needs to be updated so that the extension can still work in v3. It can be checked ...

   CHROME EXTENSION,MANIFEST V3,MIGRATION     2022-09-24 10:44:54

  How IoT is Challenging The World of "Smart" Cars

Smart cars have long been the subject of optimism in the auto industry, with their suites of advanced driver assistance and road safety features. Handy as they are, however, their convenient systems come with a substantially higher price tag. For now, however, many car owners are opting into a cheaper, more modular way to enhance their driving experience: a network of IoT devices. This makes it so that even pre-loved cars can enjoy the same features as smart cars. While IoT remains small at the...

   HARDWARE,IOT,CAR     2020-03-09 07:42:26

  Using keytool to create certificate chain

JDK provides a command line tool -- keytool to handle key and certificate generation. This tool has a set of options which can be used to generate keys, create certificates, import keys, install certificate and export certificates etc. In this tutorial, we will show how to create certificate chain using keytool. If you want to understand how to create certificate chain programmably, please refer to Generate certificate in Java -- Certificate chain. To begin, we first generate a key pair whi...

   JAVA,KEYTOOL,CERTIFICATE CHAIN,CERTIFICATE     2015-12-17 07:09:33

  Must-Have Tech for Your Living Room

The living room is considered by many to be the central point of the home. Therefore, it makes sense that you would want to equip it with lots of enhancements to make it more relaxing and a great place for entertaining yourself, members of your family or household, and any guests. With so many different technological advancements over the last couple of decades, though, you might be stuck as to what you should pick and what would fit in with your lifestyle. To help you out a little, we have put...

   SMART HOME,RADIO     2020-10-26 10:14:32

  The Curious Case of App Store Optimization

You may have heard of App Store Optimization (ASO) and feel your brains go into overdrive! Chances are you probably have no idea what that means or that it appears pretty much the same as Search Engine Optimization (SEO), only to realize that it is not so. Despite being warily relatable to SEO, the reality of ASO is far more deep and complex. A key differentiator of ASO and SEO is what happens when a visitor or user enters the website or the app, in this case. The moment a user enters the site t...

   iOS App Development Company, Mobile App Company, iphone App Development Company, Mobile Application     2015-08-14 09:06:22

  Some measures for improving Linux server security

The hackers often exploit server weakness to gain access control to some servers. With a scanner, aimlessly looking undefended host, backdoor, control, and sold to people in need. Some basic security measures can be taken on Linux servers to avoid being attacked by hackers. Disable root remote login As the default administrative account, root is the account which is most likely to be attacked.Disabling ssh remote login is necessary. Method: Edit / etc / ssh / sshd_config PermitRootLogin no At t...

   Linux server,Server security     2012-08-21 05:08:50

  The Problem with Random Numbers

Today, let's talk about how to generate true random numbers. This is an extremely difficult problem, but it involves some very interesting content. First of all, the random numbers provided by programming languages are pseudo-random numbers.  The V8 engine’s official website has an article that particularly reminds everyone of this point. The built-in random numbers are not true random numbers but pseudo-random numbers. Math.random() returns a Number value with po...

   RANDOM NUMBER,TRUE RANDOM,PSEUDO RANDOM,HISTORY     2024-06-21 21:09:14

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