How to Make File and Directory Undeletable in Linux
There may be situation that you want to make sure your file or directory cannot be DELETED by accident or intentionally. In my case I like to protect this way…
How to Convert Epub to PDF in Ubuntu Linux
EPUB is a popular file format supported by e-book readers on Amazon Kindle, Mobiles, Tablets and other devices. But sometimes you may need to convert Epub to PDF file to…
How to Check Remote SSL Certificate from terminal inLinux
Here are 3 options you can use if you want to check on SSL certificate on any website from command line in terminal on your Linux box. 1. Using OpenSSL…
Scan your Linux Ubuntu machine for rootkits or malware
Chkrootkit is an open source rootkit scanner for Linux systems. Rootkits are hard to detect software & programs that allow access to a computer where access it not allowed. They…
How to change SUDO password timeout in Linux
Some Linux orders require Administrator privilege for execution of certain scripts or tasks in Linux. However, the default for the administrative permissions whene you issue a sudo lasts only 15…
How to Clean Wipe your hard drive before disposal
There is no need to buying very expensive tools to wipe your drive clean and securely so the data cannot be recovered. It is a good practice before you dispose…
Easier way to add DIRECTORY to your path in LINUX
$PATH is very important environment variable and knowing how to work with it, can be very useful What Is $PATH on Linux, and How Does It Work? Every time you…
Compress files or folders with PowerShell
The Compress-Archive cmdlet creates a compressed, or zipped, archive file from one or more specified files or directories. An archive packages multiple files, with optional compression, into a single zipped file…
What is God Mode in Windows 11
What is God Mode in Windows 11? The so-called God Mode is a direct access to over 200 system administration tools. It gets this curious name because many Windows settings can be adjusted…
Get a FREE S/MIME Email Certificate – Digital Signature
" The free email certificates guarantee information protection by making sure the emails users send are encrypted beforehand. Since the certificates provide encryption of up to 256 bit security, security is…