How to install OPcache?

If you are making use lnmp(e.g. lnmp1.5), you can do it as below: now the installation will begin by pressing anykey, if you are making use of the eAccelerator, it will uninstalled the eAccelerator firstly and install the opcache. How…

How to upgrade the version of the Memcached?

Step 1: verify the present version of memcached as below(e.g. in Xshell): Note: please replace the 1.2.3.4 with your own host’s ip address Step 2: visit the www.memcached.org and download the latest stable version(e.g. memcached-1.6.5.tar.gz). Step 3: upload the downloaded…

How to confirm is the pathinfo enabled or not?

Just creat a php file such as “ok.php” and upload it to your website’s root directory, the ok.php should include the belowing contents: Now visit the address “your domain, if you can see the following infomation: cUrl.support enabledcUrl.information X.X.X. (such…

Missing the link option in the WP-admin?

Sometimes some wordpress theme shields the “link” option in the WP-admin panel and we may still need it, how to find it back? Just open the functions.php file in the theme which you are using now and add some codes…

Is there any powerful code editor?

Of courese there is. Such as VS Code,sublime text3,notepad++,Atom,Vim and so on. Which is the best one? Each person has his/her own answer. My answer is VS Code, but it doesn’t mean that I will not make use of the…

Choose WP Super Cache or Memcached?

As we know, we need to improve the reaction speed of our websites in order to give the visitors(include ourselves) a good visit experience, then maybe you will face the question to make a decision to choose which one if…

Some Common operational commands of Iptables in linux

01: check the version of iptables or it’s installed or not. if it’s not installed, you can install it as below(centos for example): 02:save/start/stop/restart iptables/show the iptables present status 03: temperarily close all ports of the host 04: open or…