展示 15 结果
高级威客
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Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. 收起
雇用 udayarpandey2022
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I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. 收起
雇用 abusayed2004
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Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and...Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and Unix Type Operating Systems --------------------------------------------------------------- CentOS, Alma Linux, CloudLinux, Ubuntu, Debian, Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Cloud / Amazon AWS Technologies --------------------------------------------------------- S3, EC2, VPC, RDS, Autoscaling, IAM, ELB/NLB, EFS, Lightsail, SES, WorkMail, Cloudfront, Snowball, SnowballEdge, DataSync Webhosting Control Panels / Software ------------------------------------------------------------- Cpanel/WHM, Plesk, CyberPanel Apache, Nginx, lightspeed, php-fpm Services Platforms ------------------------------ Cloudflare, Rackspace, Sendgrid, Brevo/SendinBlue, Mailgun, Godaddy, namecheap, Hostgator, namesilo, Ongage, Active Campaign, Google Workspace, Microsoft365, Squarespace, Wix, Ongage, Zoho, Klaviyo, customer.io Email Marketing Frontends ------------------------------------------- Mailwizz, Acelle Mail, Mumara, Mautic, Interspire, Octecth Oempro, 12all/Active Campaign SMTP Servers ----------------------- Postfix, Qmail, Exim, PowerMTA, KumoMTA, OpenDKIM, MailCow Virtualization / Containers ------------------------------------------ VMWare ESXi, VirtualBox, Citrix XEN Server 5.5, Citrix XEN App 5 / Presentation Server, Solaris zones, Open VZ, XEN Opensource, Docker Web/Scripting/Programming Languages ----------------------------------------------------------------- Perl, Bash shell, PHP, AWK, HTML, CGI, SQL, TSQL, Java 收起
雇用 osmanbsd
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We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS ...We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... 收起
雇用 tangramua
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Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle...Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle Cloud(OCI), Azure, Google, Digitial Ocean and almost all clouds as well. IT Infrastructure Cost Optimization -- Optimizing infrastructure for peak performance, security and best Cost utilization. IT Support -- Expert in resolution of Server services issues, Cloud issues, Live IT problems troubleshooting and fix with RCA. Migration Services -- Setup, Configuration & Migrations -- Expert in doing all types of server(Linux/Unix & Windows) services migration. Website, Application, Database(Oracle, MySQL, Postgresql, mongodb etc) and Mail migrations like Zimbra, exim Cpanel, Zpanel, Parallels Plesk panel, DNS setup, etc migrations. Network and Security Services -- Designing, implementing, and maintaining the security of network infrastructure. Identify and mitigate security risks, and keeping data and systems safe from cyberattacks. Configure and manage security services such as firewalls, intrusion detection/prevention systems, and endpoint security solutions. Perform penetration testing and vulnerability assessments. Mail Servers Expertise -- Zimbra, Microsoft Exchange, Office 365, Postfix, Exim, Dovecot, iRedMail, Sendmail -- Setup, Configuration, Migration on Enterprise level. Web Hosting Panel - cPanel/WHM, Direct Admin, ISPconfig, Webmin/Virtualmin, CWP, Plesk, Vestacp, Hestia -- Installation/Setup, Configuration, Migration on Enterprise level. Install, Administration & Migrations of WHM/cPanel Servers, Oracle Apex, Nominatim Server, Cacti, Nagios, Zenoss & PHPlist. Devops skills with tools like Jenkins, Ansible, Grafana, Prometheus, Terraform etc. Atlassian products Installation & Configuration like JIRA, JIRA Agile, JIRA Capture, Crowd, Stash, Confluence, Fisheye Bamboo, etc. Proactive infrastructure management for a worry-free future. Certified RHCE/RHCSA/RHCSS RHCVA, Openstack, Oracle Cloud(OCI) Professional & Mirantis Cloud Active Directory, Microsoft Exchange Administration, setup, Migration and Microsoft based server services management. I have a great academic background in Linux and Cloud as well as my experience compliments my studies. *AS AN ENGINEER, I CAN SAY NOTHING IS IMPOSSIBLE TO IMPLEMENT. FEEL FREE TO CONTACT ME ANYTIME* In addition to this, I look forward to working on your projects in your budget. 收起
雇用 amiteshojha
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✪ ✪ ✪ Web & Mobile App Developer | AI Engineer | Part-Time Designer | Data Engineer ✪ ✪ ✪ I am a software developer and AI Engineer helping startups, small businesses, and growing teams build reliable, scalable, and well-structured digital solutions. My core strength is development, AI automations, designing and...✪ ✪ ✪ Web & Mobile App Developer | AI Engineer | Part-Time Designer | Data Engineer ✪ ✪ ✪ I am a software developer and AI Engineer helping startups, small businesses, and growing teams build reliable, scalable, and well-structured digital solutions. My core strength is development, AI automations, designing and implementing clean, efficient systems that solve real business problems. I work across web applications, custom software, APIs, and backend systems, ensuring performance, security, and long-term maintainability. In addition to development, I bring practical UI/UX design skills to the table. As a part-time designer, I handle responsive layouts, interface design, and essential branding or graphics when needed, ensuring smooth alignment between design and functionality. I also work as a data engineer, supporting projects that involve data processing, integration, automation, and analytics pipelines. Whether it’s structuring data, building workflows, or integrating data into applications, I focus on accuracy, scalability, and business value. I believe in clear communication, realistic timelines, and ownership of work. My approach is simple: understand your requirements deeply, propose the right solution, and deliver with consistency and transparency. Core Skills & Services: ✅ Web & Software Development ✅ Front-End & Back-End Engineering ✅ UI/UX & Responsive Design ✅ Data Engineering & Automation ✅ API & Third-Party Integrations ✅ Database Design & Optimization ✅ Scalable & Maintainable Architectures If you’re looking for a developer who can code with structure, design with purpose, and handle data intelligently, I’d be happy to discuss your project. Let’s build something solid—together. 收起
雇用 arbu1499
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Here at Digital Arcanum, every project is personal. We step outside of the usual cliches and corporate norms and give your project the individual attention and consideration it deserves. Our designs are labours of love. We put time and effort into each and every one of our products to ensure your needs are met. We...Here at Digital Arcanum, every project is personal. We step outside of the usual cliches and corporate norms and give your project the individual attention and consideration it deserves. Our designs are labours of love. We put time and effort into each and every one of our products to ensure your needs are met. We give your project an online presence that's hard to ignore. We offer following services: * Logo Designs * Corporate Identity * Website Design * Website Development * Brochure Designs * Stationary Designs * Catalogue Designs * Power Point Presentations * Marketing Plans * App Designing * Animations * Info-graphics * CRM Development * Dashboard Development * MERN stack Digital Arcanum is one of the leading website companies in Pakistan .We are proud to be associated with Leading Multinational IT companies What stands us out of crowd? - Successful execution of over 1000+ Design & development projects - Strong customer orientation & commitments - Built-in quality checks within the system - 24X7 operations Hire us for your project now ! 收起
雇用 DigitalArcanum
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About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With...About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With me, it is easy to set up systems. I am not picky about what systems to use, but I do have experience with what to use. I know the following operating systems + distros: Debian, Ubuntu, Gentoo, SUSE, Red Hat, CentOS, Rocky Linux, AlmaLinux, Arch Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, plus MS Windows servers I also know the following systems: * Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. * Java web servers: Tomcat, Jrun, JBoss * Javascript: Node.js, npm * Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL * Mail systems: Postfix, Exim, Dovecot, and implementing DKIM, SPF, MX, and DMARC * Monitoring systems: Nagios, Zabbix, Cacti, Grafana * SMS: SMSC, Kannel * DNS: Bind, Djbdns, Dnsmasq. * VPS: VMware, Hyper-V, Proxmox, bhyve, KVM, Xen, OpenStack... * Containers: Docker, Podman, LXC, jail, Kubernetes * High Computing: OpenHPC, SLURM, MPI, and related * Cloud providers: AWS, DigitalOcean, Azure… I troubleshoot easily My knowledge does not stop here. Let's chat Please see my reviews of my previous works PS! As bonus, with my bid, you will get one week of free support for work done 收起
雇用 servermaster
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Bridgestack is an AI-augmented software studio led by Nayana Hettiarachchi, with 20+ years of engineering leadership at Agoda, Gojek, and PropertyGuru. We deliver production-grade custom software, mobile apps, AI/ML solutions, and cloud infrastructure using a team of 12 specialized AI agents backed by senior human...Bridgestack is an AI-augmented software studio led by Nayana Hettiarachchi, with 20+ years of engineering leadership at Agoda, Gojek, and PropertyGuru. We deliver production-grade custom software, mobile apps, AI/ML solutions, and cloud infrastructure using a team of 12 specialized AI agents backed by senior human oversight. Our zero-risk model: no upfront payment, daily builds with live progress dashboards, and you only pay when the project is completed to your satisfaction. Whether it's a WordPress site or a complex distributed system, every project gets the same white-glove attention. Core capabilities: Python, Java, Go, JavaScript/React, iOS/Android, AI/ML, cloud infrastructure (AWS/GCP/Azure), DevOps, and blockchain. From MVPs to enterprise platforms — we ship faster and cheaper than traditional studios. bridgestack.systems 收起
雇用 BridgeStackSys
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Hello, My name is Tom Whiting I am excited to offer my expertise as a seasoned Web Hosting and cPanel Engineer with over two decades of experience, dating back to 2002. As a freelancer, I bring a proven track record of delivering reliable, high-performance hosting solutions and exceptional technical support to...Hello, My name is Tom Whiting I am excited to offer my expertise as a seasoned Web Hosting and cPanel Engineer with over two decades of experience, dating back to 2002. As a freelancer, I bring a proven track record of delivering reliable, high-performance hosting solutions and exceptional technical support to clients ranging from small businesses to large-scale enterprises. I am confident that my skills and dedication can help you solve whatever problem you may be having Since starting my career in web hosting, I’ve mastered the intricacies of cPanel administration, server optimization, and troubleshooting complex hosting environments. My hands-on experience includes configuring and managing shared, VPS, and dedicated servers, ensuring uptime, security, and scalability for diverse projects. I’ve worked with a wide range of technologies—such as Apache, Nginx, LiteSpeed, DNS management, and SSL implementation—while consistently staying ahead of industry trends to provide cutting-edge solutions. What sets me apart is my ability to translate technical expertise into practical results. For example, I’ve successfully migrated dozens of websites with zero downtime, optimized server performance to handle high-traffic loads, and resolved critical issues under tight deadlines. My clients have relied on me not only for technical proficiency but also for clear communication and a proactive approach to problem-solving. I am passionate about empowering businesses with robust hosting solutions tailored to their unique needs. Whether you require server setup, cPanel/WHM management, performance tuning, or ongoing maintenance, I am equipped to deliver results that exceed expectations. My freelance flexibility ensures I can adapt to your schedule and provide personalized support whenever you need it. I’d love the opportunity to discuss how my experience can benefit your project. Please feel free to contact me to set up a conversation at your convenience. Thank you for viewing my profile, I look forward to the possibility of collaborating with you! Tom Whiting 收起
雇用 twhiting9275
