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Freelancers patrocinados
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About me I have worked over 20 years at IT and telecom companies at 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 OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at 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 OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, 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, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done menos
Contratar servermaster
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I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of HPE (Hewlett Packard Enterprise) equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. menos
Contratar rupa37
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Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed *...Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed * Mail Servers : Postfix, dovecot, Zimbra, Carbonio * DNS Servers * VPS - OpenVZ/KVM/Xen/Hyper-V/Docker/Kubernetes * Proxmox * Linux/Cpanel/Plesk/Hestia/Webmin Server Setup * Linux server setup * Windows server setup menos
Contratar osolight
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Renesis Tech has earned its place among the top 10 Blockchain consultancies and ranks among the top 15 AI consultancies globally. With a presence spanning Dubai, Pakistan, Canada, Korea, and Japan, we take pride in our diverse and well-established portfolio. Our dedicated team comprises over 100 seasoned engineers...Renesis Tech has earned its place among the top 10 Blockchain consultancies and ranks among the top 15 AI consultancies globally. With a presence spanning Dubai, Pakistan, Canada, Korea, and Japan, we take pride in our diverse and well-established portfolio. Our dedicated team comprises over 100 seasoned engineers with expertise across various domains, including AI, Blockchain, Web development, Mobile development, Game development, Metaverse (AR/VR) development, and Growth Hack Marketing. We are committed to excellent client service, boasting a rapid response time of less than 30 minutes, 24/7, to address client needs and promptly resolve any issues. Our extensive capabilities cover a wide range of IT ambitions, including: 1 - UI/UX Design 2 - AI / ML Development 3 - Prompt Engineering 4 - Sustainable & Environment-Friendly AI Solutions 5 - Blockchain Development 6 - Web/Mobile App Development 7 - Game Development (Unity 3D/Unreal Engine) 9 - Metaverse Development (AR/VR) 10 - Manual & Automated Testing 11 - DevOps / MLOps 12 - Growth Hack Marketing When you partner with us, you'll receive a dedicated team focused on bringing your solutions to fruition, allowing you to concentrate on the business aspects. Through our commitment to growth, innovation, and transformation, we pledge to turn your ideas into reality! menos
Contratar akkastech
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Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment,Backup and lot of skills. let's have a quick chat. Looking forward working with you.Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment,Backup and lot of skills. let's have a quick chat. Looking forward working with you. menos
Contratar Ahmedi89
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touhidecevw touhidecevw
$50 USD / hora
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python menos
Contratar touhidecevw
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valeriivapirov valeriivapirov
$30 USD / hora
♛TOP Rated ⭐Verified | Full Stack | MERN | PythonUkraineHello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular,...Hello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular, CMS (WordPress, Shopify), package management, and API handling. Back-end: Node.js, Python/Django, PHP/Laravel, Java/Spring Boot, ASP.NET, and authentication. Databases: MySQL, PostgreSQL, MongoDB, Firebase. Beyond my technical prowess, I am driven by a relentless commitment to project success. I view each new challenge as an opportunity to expand my skill set and deliver innovative solutions. Let's collaborate and transform your ideas into reality. Together, we can build something extraordinary! menos
Contratar valeriivapirov
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بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet,...بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet, pfSense,Palo Alto), Physical Security Consultancy @System Administration: Linux/Unix-like systems, MS Windows servers, Performance Optimization @Web Development: WordPress, Joomla, Drupal, Shopify. @Virtualization/Containerization: VMWare, Xen, VirtualBox, Docker. @Web Scraping/Automation: BeautifulSoup, Selenium. @Programming/Scripting: Python,Perl,Bash,Batch,PowerShell,VBA,AutoHotkey. @Other Services: Data Recovery, Speed Optimization, and SEO. @Trading: Deriv/Binary Bot Development. I DO NOT PROVIDE BLACK HAT SERVICES. ما شاء الله لا قوة إلا بالله menos
Contratar AhmadSameer
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I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco...I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== # Routing Protocol-- Static, OSPF, BGP, EIGRP, RIP. # Design and implement small, medium and large scale enterprise networks. # VLANs, Spanning Tree Protocol (STP), VTP, LACP, HSRP. #L2-MPLS,L3-MPLS # DHCP, GRE, IPSEC. Hands-On Experience: ===================== # Cisco Routers (NCS 5500, ASR 1006, 7606, 7604, 7301, 7206) # Firewall (Sophos, Fortigate) # Cisco Switches(Nexus 2K, Nexus 3K, Nexus 7K, Catalist 2900 series, Catalist 3500 series, 4500 Series, Small Business SF-300) # Juniper Routers (MX 104, ACX 2200) # Mikrotik Router (CCR 1036, CCR 1072, 3011, RB 450) # Other Vendor devices (Netgear, BDcom, Huawei) menos
Contratar tonoy0167
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⚡ Preferred Freelancer | ⚡ 11+ Years Experience I Offer Services in Malware Removal, Virus Removal, Ethical Hacking / Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade. Over...⚡ Preferred Freelancer | ⚡ 11+ Years Experience I Offer Services in Malware Removal, Virus Removal, Ethical Hacking / Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade. Over the last 11 years, I Have Worked on 4000+ Websites Security (Cleaning from Malicious Code and Hardening Security), 1000+ Websites Transfer, 200+ WordPress Websites Speed Optimization (Delivered Results As Per Google PageSpeed Insights, GTmetrix) and 500+ SSL Installs (Including HTTP to HTTPS migration). Service Description: 1. Malware / Virus Removal from Websites (Cleaning Hacked Websites) and Servers. ✔100% Malware Cleanup Including Database Clean ✔Japanese Keyword Hack, SEO Spam / Pharma Hack Fix ✔Credit Card Stealers and Ecommerce Malware Fix ✔Google Blacklist Removal (This Site may be Hacked), Google Deceptive Warning Fix ✔McAfee SiteAdvisor, Norton Blacklist or Any VirusTotal Based Blacklist Fix ✔WP-VCD Malware, Backdoor / Malicious Javascript / Conditional Redirects Fix 2. Website Security Maintenance (Implementing Future Security Measures and Guiding How to Maintain Security for the Future). 3. Website Transfer/Migrate to New Host / Domain (Any PHP-based CMS or Custom-coded Website). 4. SSL Install, HTTP to HTTPS Migration with Secure Padlock. 5. WordPress (Websites Development and Troubleshooting Which Includes Fixing Critical Error / Fatal Errors). 6. Linux Server Administration. 7. Optimize and Increase the Speed of WordPress Websites. 8. Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade (Upgrade to the Latest Stable Version). 9. Penetration Testing (Checking Websites for Security Vulnerabilities). menos
Contratar arfharwinder
