How to make WordPress Permalinks work in Nginx
From a long time I had the eagerness to work on Nginx and finally got the opportunity. Followed LEMP stack installation and...
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Hide Nginx & PHP versions in HTTP Header & Error Pages
If you had followed my guide to install the LEMP stack then, by default Nginx configuration sends HTTP header with...Why you should use rel noopener for external anchors?
Do you have links in your webpage that points to external website? Generally, all external anchors might have target="_blank" set,...How to Insert Text at the beginning of each line in Vim
Here’s a question from Mr. Ashi, a regular reader at Techglimpse. He asks, how to insert text at the beginning...Duplicate Post, Page, Custom Post in WordPress
How many times you had been in a situation to create similar posts? For example, sometimes the metadata, categories, tags...Fix NGINX 403 forbidden error after changing Root directory
Installed Nginx and PHP-FPM for processing PHP files on CentOS server. To my surprise when accessed PHP files through browser,...Vim highlights texts in Red? Here’s how you can stop that!
Here’s a question from Mr. Rajan, one of the regular readers at Techglimpse. His issue is why vim highlights texts...Error Cannot build module while building external Perl modules
Do you get an error “Cannot build module” while compiling OpenCA base 1.5.1? If yes, then this tutorial will explain...Named error network unreachable in system logs [Fix]
Do you see “Named error network unreachable” in your system log files and surprised why there were so many such...Deprecated option RSAAuthentication SSH rexec [Fix]
Here’s a question from Mr. Ramesh, one of our regular reader at Techglimpse. He says that his system log messages...How to find a Disk is SSD or HDD in Linux?
I recently bought a server with SSD (Solid State Drive) disk. But how do I verify if I had really...Systemctl replaces Chkconfig and Service commands in CentOS 7
From our previous experience of CentOS/RedHat, we all knew that “chkconfig“ command is used for checking and updating runlevel information...Metadata file does not match checksum – YUM error!
Sometimes you might land up with this error – Metadata file does not match checksum while performing any yum operation. For...fatal error openssl/evp.h: No such file or directory : [Solved]
Did you ran into an error “fatal error openssl/evp.h” while installing openca-base-1.5.1 package? I did ran through few errors –...ifconfig command not found on CentOS 7 Minimal installation
I have been using ifconfig command to configure network interfaces, enable or disable interface, display IP address information, change MAC...What is the current runlevel of Linux system?
These days Linux systems comes with beautiful graphical interfaces as compared to earlier terminals that are text-mode interfaces. So, Linux...Disable Comments on Media Attachment Pages in WordPress
Dealing with spam comments in WordPress is not a pleasant experience. If you are running a WordPress site that does...Why hosts.allow not working on CentOS 7 Minimal installation
Here’s a question asked by Gokul, one of the regular reader at Techglimpse – hosts.allow not working on CentOS 7...How to Disable Root User Login via SSH
By default SSH will allow any valid user account to login to the remote system and that includes root user...