Recent Posts

    Oracle Dump

    less than 1 minute read

    Setup free font replacement for notorious MS fonts

    Change DOS to UNIX Line Ending

    less than 1 minute read

    Convert DOS/Windows line endings (CRLF) to Unix/Linux format (LF) using command line tools and Vim for batch processing.

    HAProxy redirect root URL

    less than 1 minute read

    Configure HAProxy to redirect root URL requests to a specific application path using ACL rules and redirect directives.

    Image to PDF

    less than 1 minute read

    How to convert multiple images into a single PDF file using ImageMagick convert command on Linux systems.

    Java Licensing

    less than 1 minute read

    Oracle JDK, OpenJDK, precompiled OpenJDK patched

    Java LTS

    less than 1 minute read

    Java7, Java8, Java11, Java17

    Logging Articles

    less than 1 minute read

    Collection of essential articles and resources about logging best practices, distributed systems logging, and real-time data processing.

    Install CAS IdP server

    1 minute read

    Step-by-step guide to installing and configuring Central Authentication Service (CAS) Identity Provider server for enterprise single sign-on solutions.

    Postfix untrusted SSL

    less than 1 minute read

    Warning about untrusted TLS connection when Postfix tries to connect to a server via secure channel.

    eglibc optimized ssse3

    less than 1 minute read

    Starting with version 2.13, eglibc provides an SSSE3 optimized version

    Getting LDAP Epoch

    less than 1 minute read

    How to get LDAP epoch timestamps and convert dates for LDAP directory operations using PHP and command line tools.

    Run GC From Commandline

    less than 1 minute read

    Run this on the server: $ sudo -u tomcat7 jcmd `cat /var/run/tomcat7.pid` GC.run This is since JDK7. Run jcmd as the same user as the user that runs the Jav...

    Install Newest Gradle

    less than 1 minute read

    Debian and many OSes may have old Gradle. We need the newest Gradle.

    Tyre to Speed

    less than 1 minute read

    </embed> By AJ Design Software

    CORS in Apache2

    less than 1 minute read

    Complete guide to enabling Cross-Origin Resource Sharing (CORS) in Apache2 web server for handling cross-domain requests and API access.

    Install Pencil

    less than 1 minute read

    Sketch is the definitive tooling tool for mock up. There is an Open Source alternative for it called Pencil.

    Install Steam

    less than 1 minute read

    Instaling Steam with better gaming experience.

    Install GNU/Linux

    less than 1 minute read

    Personal guide to installing GNU/Linux with optimized tools including MBuffer, LRZIP, Xanmod Kernel, and ZFS. KDE Neon setup with performance enhancements.

    dnscrypt-proxy

    1 minute read

    Millions of Xerces’ invading armies were mostly defeated on the sea by the democratic city state Athens, and not by the mythical 300 Spartans!

    ZoL GIT on Xenial

    1 minute read

    Ubuntu Xenial included ZFS by default. But for those that adventureous and seeking new features, use a ZFS on Linux (ZoL) fresh from GIT.

    MariaDB + Galera Cluster + HAProxy

    2 minute read

    Complete guide to setting up MariaDB Galera Cluster with HAProxy for high availability. Includes configuration, installation, and load balancing setup for pr...