Unable to establish connection using ssh2_connect() in PHP
I have used the ssh2_connect() function to establish a connection to a remote SSH server. But it works on one...
Linux
error: src refspec main does not match any [GIT]
Created a private repository on GitHub and when tried to push the files from my server using the below commands,...How to stop Apache mod_rewrite log message [Apache]
I had written a few rewrite rules to disable HTTP TRACE and TRACK as part of VAPT. When looking at...How to setup WSO2 with Let’s Encrypt certificate
Setting up an SSL certificate for WSO2 API Manager is not straightforward, as it requires creating Keystore and adding an...How to Enable HSTS (HTTP Strict Transport Security) Policy in Nginx & Apache
According to Netcraft’s study, 95% of HTTPS servers are vulnerable to Man-in-the-Middle attacks. Therefore, it is very important to implement...Error accessing backend service – WSO2 forgot password
I had configured WSO2 successfully and NGINX reverse proxy is set up as well. However, clicking forgot password link from...[CentOS 7 Apache]: Permission denied: file permissions deny server access
Whenever I configure Apache on CentOS 7, most of the time I get “(13) Permission denied: file permissions deny server...Rubygems-update requires Ruby version >= 2.3.0 [Fix]
I was trying to update rubygems and ended up with an error “Error installing rubygems-update: rubygems-update requires Ruby version >=...Using multiple patterns at once with Sed command
Here’s a question from one of our regular readers Mr. Manish. His question is, how to use multiple patterns at...Setup WSO2 with NGINX Reverse Proxy for custom URLs
By default, WSO2 interfaces such as Publisher, Developer portal, and Carbon are accessed via port :9443/publisher, :9443/devportal and :9443/carbon respectively....WSO2 Cannot remove API as active subscriptions exists [Solution]
Trying to delete an API from WSO2 API Manager and end up seeing this error – Cannot remove API as...How to Install/Update PHP to 7.4 on CentOS 7
Recently while looking onto my client’s WordPress dashboard, found a notification that the PHP version might be vulnerable and needs...Registered callback does not match with the provided URL – Fix WSO2 Error
In continuation to my article on WSO2 installation and configuration, here’s another issue that popped up after changing the hostname...Mistyped ‘ls’ command as ‘sl’ – Cure your bad habit of mistyping!
Mistyping a command is common; for example, typing ‘sl‘ instead of ‘ls‘ is very common. But this mistyping resulted in...Communications link failure Exception – WSO2 with MySQL [Fix]
In this tutorial, we will discuss how to fix the communication link failure exception that occurs while integrating WSO2 with...Illegal block size exception – CKR_ENCRYPTED_DATA_LEN_RANGE [SoftHSM]
I have installed and configured SoftHSM successfully on CentOS. In order to check if I can communicate with SoftHSM programmatically,...Configure WSO2 API Manager with MySQL Database
In continuation to our previous article on “Installation of WSO2 API Manager on CentOS“, today we will discuss configuring WSO2...Install SoftHSM and Access it via Java Program
SoftHSM is a software implementation of HSM (Hardware Security Module) aims to perform all the functions that a proper HSM...[Solved]: OpenSSL library has no GOST support
I’m trying to install SoftHSM on CentOS 7. SoftHSM depends on a cryptographic library such as Botan (min required version...Submitting SLURM jobs with STDOUT & STDERR written to files wrt JOB_ID
There are different ways to submit SLURM jobs onto a cluster and the main way is by submitting a script...