How to secure your website from hacking and malicious attacks.
Securing a website from hacking and malicious attacks is crucial to protect the website, customer data and business reputation. Here are a few ways to secure your website: Securing a…
How to check your Apache server performance using tool
Apache benchmarking is the process of testing the performance and scalability of an Apache web server by simulating multiple concurrent clients accessing the server. This is typically done using the…
How to set max_open_files in MariaDB / MySQL in CentOS 7
Set the system wide open file limit: vi /etc/security/limits.conf Change/Add the following: * soft nofile 1024000 * hard nofile 1024000 * soft nproc 10240 * hard nproc 10240 Now do…
How to easily encrypt/decrypt a file in Linux with gpg
No matter what you’re doing on your computer, you need to do so with an eye to security — that means using strong passwords, storing files in safe locations, and…
ACME (acme.sh) Free SSL Certificate?
ACME (acme.sh) is a shell script for generating LetsEncrypt SSL certificate. acme.sh is written in bash, so it works on any Linux server without special requirements. For getting SSL, another…
acme.sh SSL using manual DNS method?
To provision SSL certificate using acme.sh with manual DNS verification method, run acme.sh --issue -d DOMAIN_NAME --dns -d www.DOMAIN_NAME --yes-I-know-dns-manual-mode-enough-go-ahead-please When you run this command, you will get DNS TXT…
Load Testing Web Servers with apache benchmark tool
Command to run the Apache benchmark tool (ab) with 200 simultaneous requests until 2000 requests are completed: # ab -k -c 100 -n 2000 localhost/checkiffileexists.php Let’s run the test and compare the results. Pay attention to…
Load Testing Web Servers with Siege Benchmarking Tool
Knowing how much traffic your web server can handle when under stress is essential for planning future grow of your website or application. By using tool called siege, you can run…