Cron is a scheduled execution tool under Linux, which can run jobs without human intervention.It is a built-in service of Linux, so we will use it in many cases.First of all, how to enable/disable the service?//Start the service sudo service cron start//Stop the service
Share an embarrassing case. It's really embarrassing....This is a real case, and it has been adapted for the reasons to be published.During the first two weeks, two test devices were put on the shelves in a hospital: one firewall and one Internet behavior management.The customer's network is a 10M dedicated line, and the firewall is deployed at the exit as a gateway.Downlink behavior management, bridge mode transparency
A few days ago, due to work needs, I needed to draw a topology diagram of weak current intelligent system, so I was ready to install a Visio.Then my obsessive-compulsive disorder started. Go to MSDN I tell you to download the latest 64 bit version of Visio 2016.After downloading, it is natural to mount the ISO image for installation, but
There will always be one or another reason for webmasters to use CDN.For example, the host has small bandwidth or insufficient performance, is attacked by DDoS, CC, etc.But Wordpress will have a problem after using CDN: when you see the guest IP in the background, they are all CDN IP.Apart from the innocuous problem of being unable to determine the address of tourists
Before the tutorial, let's talk about the reasons for this tutorial.I used to be a WPS person, and the professional version of WPS was completely free of advertisements, and I saved it in 03 format, so I didn't encounter incompatibilities with others.But since the link WPS in the manufacturer's technical document Excel was muddled, the pen
This method has failed. Downloading third-party software such as flash disks will result in a speed limit of 10k. At present, the latest method is script, which is similar to the original method. It is also the method of using script+download tools. In order to avoid harmony, it will not be released. If you need it, you can go to Greasy Forks.Now Baidu Cloud has completely
I don't know whether the new version of QQ on the PC side can remove advertisements by using this method, because I don't use the exe installation version of QQ anymore. I now use the "QQ Desktop Edition" which can be downloaded from the win10 app store. Although this version is actually repackaged by the win32 app of the exe installation version, there is no Q shield, nor
Some time ago, I disabled the multi comment system, so it seems that even users who use multi comment will not know if someone replies to their comments on my blog.In fact, more users who visit my blog do not use the comment system such as saying more and talking freely. At most, they can use the social account when they see the comments, and may log in.Even if you don't stop talking
Not long ago, I opened https for my blog and said that I would send a tutorial, so I have this article.In fact, using https will theoretically slow down the website (the specific reason will not be explained here, but you can check it yourself if you are interested, except for http2). From this point of view, it is not conducive to the user experience, and enabling http
What's the use of LAN disconnection attacks, such as anti bear kids, killing some people who rob the Internet speed, or killing your roommates who are noisy at night.Now, let's get to the point.Disclaimer: Please comply with relevant laws and regulations, and I am not responsible for the consequences of this tutorial.If you violate the relevant laws and regulations in practice according to this tutorial, everything has nothing to do with yourself.My teacher
