All Services Programming & Development Programming & Software Linux Development and Administration $25/hr · Starting at $400 Extensive experience of 12 years in developing, maintaining and administering Operating System from Scratch.Developed Package Manager, Installer, Image creation tool for Avouch Linux and software for making boot-able USBs.Debug, troubleshoot, proactive maintenance approach by timely applying patches for security vulnerabilities and tuning of Linux libraries, utilities, software and kernelDeveloped Bash shell-scripts to automate the several server tasks and routine activitiesSlashed the boot time of Avouch Linux as compared to other Linux distributions.Created build system and build tool chain to manage thousands of Avouch Linux packages.Made and apply several patches to mitigate security vulnerabilities to Linux kernel and utilities.Made Linux hardened by applying patches and using hardening flags during compile time of respective compilers.Developed auto build system to build compile, test and continuous integration of C and C++ programming languages.Compile and build the UnrealEngine 5 on Google High Performance Machine, troubleshoot and resolve the issue of not working with Nvidia Tesaal 4 GPU.Slashed the startup time of UnrealEngine 5 from 350 seconds to only 30 seconds.Convert PowerShell script to Linux Bash script and make script to parse xml files and extract required information.Automate the installation of CentOS, RHEL and Fedora through Kickstarts scripts.Maintained Web servers and Virtual Private Servers (VPS) including Webmin / Virtualmin / Cpanel web-based interface for administering the VPS.the CPU overhead from 80% to 15% of the CentOS servers by troubleshooting and resolving the root cause.Automate several server tasks by writing bash script including but not limiting to backing up of VPSs on cross servers, FTP servers, implement revers proxies on Apache server.Managed and installed software packages using YUM, RMP and APT. About $25/hr · Ongoing Download Resume Extensive experience of 12 years in developing, maintaining and administering Operating System from Scratch.Developed Package Manager, Installer, Image creation tool for Avouch Linux and software for making boot-able USBs.Debug, troubleshoot, proactive maintenance approach by timely applying patches for security vulnerabilities and tuning of Linux libraries, utilities, software and kernelDeveloped Bash shell-scripts to automate the several server tasks and routine activitiesSlashed the boot time of Avouch Linux as compared to other Linux distributions.Created build system and build tool chain to manage thousands of Avouch Linux packages.Made and apply several patches to mitigate security vulnerabilities to Linux kernel and utilities.Made Linux hardened by applying patches and using hardening flags during compile time of respective compilers.Developed auto build system to build compile, test and continuous integration of C and C++ programming languages.Compile and build the UnrealEngine 5 on Google High Performance Machine, troubleshoot and resolve the issue of not working with Nvidia Tesaal 4 GPU.Slashed the startup time of UnrealEngine 5 from 350 seconds to only 30 seconds.Convert PowerShell script to Linux Bash script and make script to parse xml files and extract required information.Automate the installation of CentOS, RHEL and Fedora through Kickstarts scripts.Maintained Web servers and Virtual Private Servers (VPS) including Webmin / Virtualmin / Cpanel web-based interface for administering the VPS.the CPU overhead from 80% to 15% of the CentOS servers by troubleshooting and resolving the root cause.Automate several server tasks by writing bash script including but not limiting to backing up of VPSs on cross servers, FTP servers, implement revers proxies on Apache server.Managed and installed software packages using YUM, RMP and APT. Skills & Expertise APIApp DevelopmentC++Cloud ComputingComputer EngineerGCCGeneral / Other Programming & SoftwareGtk ProgrammingGtk+LaravelLinuxLinux KernelLinux ProgrammingObject Oriented ProgrammingOpen SourceOperating SystemsProgrammingPythonQtSoftware DevelopmentSystems EngineeringUnixUnix Shell ScriptingVersion ControlXML 3 Reviews CRO53 says, Appreciate Qurban‘s diligence and tenacity to solving issues for Maintenance of Server on Oct 11, 2022 CRO53 says, excellent DevOp, highly qualified, professional and trustworthy for Maintenance of Server on Jul 29, 2022 CRO53 says, Qurban went above and beyond to fulfil his assignment. Highly recommended DevOps for Install Red Hat Linux+virtualmin/Webmin on Jun 30, 2022 Browse Similar Freelance Experts Operating System ServicesCloud Computing ConsultantsOpen Source DevelopersSoftware DevelopersUnix Shell Scripting DevelopersC++ DevelopersUnix ProgrammersHTTPS ExpertsComputer EngineersLaravel DevelopersPython DevelopersComputer ProgrammersDevOps EngineersObject Oriented ProgrammersXML DevelopersLinux ProgrammersPHP DevelopersNGINX ServicesWeb Application DevelopersLinux AdministratorsSocial Networking DevelopersPerl DevelopersWeb ManagersFront End Developers