Hire the best CentOS Developers in Ukraine
Check out CentOS Developers in Ukraine with the skills you need for your next job.
- $45 hourly
- 5.0/5
- (218 jobs)
DevOps ✅ DigitalOcean/AWS/GCP ✅ cPanel/WHM/Plesk/Virtualmin/VestaCP ✅ Ubuntu/CentOS Last 14 years I have engaged in system administration using Nginx, Apache, PHP, Python and MySQL including sites for startup companies and small businesses. I have extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities to help you to build your business. I have great experience in: 🟢 Hosting providers: 🔸 OVH 🔸 Softlayer 🔸 Hetzner 🔸 AWS 🔸 GoogleCloud 🟢 Cloud Hosting: 🔸 Digitalocean 🔸 Amazon (EC2, AWS, S3) 🔸 Linode 🔸 GoDaddy 🔸 Rackspace 🟢 Docker related stuff 🟢 Docker-compose 🟢 Linux maintenance/troubleshooting: Debian, CentOS, Gentoo, Ubuntu, RHEL etc 🟢 Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, MySQL, Varnish, Memcached. 🟢 Linux serverside: iptables, rsync, Bind, OpenVPN, 🟢 Mail: Exim, Dovecot, Postfix. 🟢 Backup/Migration 🟢 Hosting panels: Plesk, cPanel/WHM, ISP , DirectAdmin, Virtualmin, VestaCP 🟢 Virtualization: Xen, KVM, OpenVZ, Proxmox 🟢 Monitoring: Zabbix, Munin, Cacti, Nagios 🟢 CMS : Wordpress, Drupal, Magento, CS-Cart
CentOS
Docker ComposeDevOpsDrupalSSLLAMP AdministrationWordPressVirtual Private ServerDigitalOceanLinux System AdministrationDjangoAmazon Web Services - $40 hourly
- 4.7/5
- (18 jobs)
Web site support and administration, Linux administration, Supercomputer design, HPC Cluster management systems, Lustre parallel storage systems. I provide Computing cluster / Render Farm with node following characteristics: 2 x Intel Xeon E5-2670 @ 2.6 GHz 16 cores 64 GB ECC RAM 3 x NVidia Tesla M2075 Infiniband FDR 56 Gbit/s Price starts form $75 node/month via Upwork.
CentOS
LinuxPerl Catalyst3D RenderingBash ProgrammingLinux System AdministrationRAID AdministrationCluster ComputingNGINXMySQL - $40 hourly
- 4.8/5
- (609 jobs)
I have 15 years of experience in Linux administration. I supported more than 450 online web-projects. - Server/Website/Apps - Deploy/Backup/Migration/Troubleshooting/Monitoring - Website support: WordPress, Opencart, ModX, Joomla, Laravel, PHP, Html etc. - Hosting panel support: Cpanel, Cloudpanel, Plesk, Directadmin, Cyberpanel, CWP etc. - Cloud providers: AWS, GCloud, Azure, IBM Cloud, Oracle Cloud, Linode, Vultr, Digital Ocean etc. - Linux maintenance/troubleshooting: Ubuntu, Debian, CentOS - Apache2 + Nginx, Nginx + PHP-fpm, Openlitespeed, MySQL, Memcached. - Linux: Bash, Iptables, rsync, Bind, Exim. - VPN: OpenVPN, Wireguard, PPTP, etc. - VPS providers: Contabo, OVH, GoDaddy, Namecheap, Hostinger, Hetzner, Layerstack etc. Now I open to new interesting projects, contacts. Welcome!
CentOS
AWS Server MigrationcPanelLAMP AdministrationDomain MigrationWordPressWeb HostingVirtual Private ServerDigitalOceanApache AdministrationLinux System AdministrationDNSNGINXSSLZabbix - $40 hourly
- 5.0/5
- (106 jobs)
I am a Linux systems administrator with nine years of experience working with open-source solutions. My skills: - Multi-Cloud Architecture: AWS, GCP, Digital Ocean, Vultr, Hetzner - Automated Deployment: Ansible, Bash - Software ERP/CRM/CMS: WordPress, Laravel, Joomla - Linux Systems Administration: RedHat, Debian, Ubuntu - Database Management: MySQL, MariaDB - Mail Servers: Exim, Postfix, Dovecot, Spamassassin, Roundcube - Web Servers: Apache, Nginx, Varnish, Memcached, Php-fpm - Hosting panels: cPanel, WHM, Plesk, Webmin, VestaCP, ISPManager - Monitoring: Zabbix, Cacti, Nagios - Networking: Ip tools, Iptables, Openvpn - DNS tools, CDN and WAAP: Cloudflare, Akamai I am looking forward to working with you.
CentOS
Linux System AdministrationMalware RemovalSSLUbuntuDebiancPanelWebsite MigrationDNSPleskDigitalOceanWeb HostingWordPressAmazon Web ServicesSSH - $30 hourly
- 5.0/5
- (162 jobs)
More than 14+ year previous experience in Linux/Hosting/Sysadmin job my primary experience (daily tasks) server setup/migration/transfer, server configuration, server optimization, server troubleshooting, website transfer/migration, website ssl install, ssl renew, mail delivery related problems Ability to work flexible hours Solid working knowledge of RPM/DEB based Linux Distributions: RHEL, CentOS, Oracle Linux, Fedora, Debian, Ubuntu, ArchLinux Experience with AWS, RackSpace, DigitalOcean, Singlehop, Hetzner, OVH, Godaddy Experience with Shared Hosting : JustHost, BlueHost, Hostgator, Godaddy, a2hosting, fatcow Control Panels: cPanel & WHM, Plesk, DirectAdmin, Webmin, Virtualmin Software: Apache, Nginx, PHP-FPM, BIND, DHCP, Dovecot, Exim, Postfix, MySQL, iptables Design of High Availability/High-Performance services and architectures
CentOS
SSLLAMP AdministrationNetwork SecurityCloudflareSSHDomain MigrationMySQLLinux System AdministrationAmazon EC2cPanelLinuxSystem AdministrationUbuntu - $18 hourly
- 4.4/5
- (9 jobs)
As a web developer, I specialize in various services such as -theme customization -plugin customization -website updates -security checks -and troubleshooting -optimizing website speed, performance, and responsiveness, -ensuring website security, resolving speed-related issues - integrating Woocommerce for e-commerce functionality. I have a track record of delivering high-quality solutions, I'm dedicated to providing exceptional web development services tailored to your specific requirements.
CentOS
Contact Form 7SEO Setup & ConfigurationElementorSSL CertificateSEO PluginSMTPWordPressPHPVirtual Private Server - $15 hourly
- 5.0/5
- (2 jobs)
I'm a Senior Customer Support in hosting company. Have an experience with server administration and website managing. If you want to place and set up your project, I'll be glad to help. Also I worked as Linux Administrator, so I have knowledges in : - Linux systems (Centos, Ubuntu, Debian, AlmaLinux) - SSH/FTP configuring - Networking (iptables/nftables) - Cron managing - Bash scripting - DNS system - Website migration - Email server configuration and mail migration - Managing webservers (Apache, Nginx, Cloudlinux) - Experience in Docker/Podman. Main advantages: - Technical help on all steps - Consultation on website and server issues anytime. - I don’t just assist; I provide the most detailed and comprehensive answers =)
CentOS
Domain NameWebsite MigrationEmailCloudflareDNSSMTPNGINXDocker ComposeDockerWordPresscPanelBashLinuxCustomer Service - $35 hourly
- 4.9/5
- (34 jobs)
I am a telephony engineer. I have good knowledge of SIP and PSTN. Experience: ● Asterisk; ● Alcatel-Lucent OXE 4400; ● System administrator linux (Centos, Ubuntu); ● FreePBX | Elastix | Kolmisoft MOR | Grandstream UCM | 3CX phone system | ● Pyhton, Bash, PHP scripting; ● GSM Gateway, ATA, SIP phone and etc. ● Zabbix ● Billing system Tariscope ● MySQL and PostgreSQL
CentOS
Linux System AdministrationVoIP SoftwareVoIP AdministrationGrandstreamFreePBXMySQLSession Initiation ProtocolVoIP PBXAsteriskUbuntuLinuxPythonBash - $40 hourly
- 5.0/5
- (4 jobs)
For more than five years I've been supporting the development of PHP based web applications and deploying them to various hosting solutions, from shared web to dedicated servers. My skillset: - extensive LAMP/LEMP stack knowledge - shell scripting for automation - experience with a wide variety of web hosting solutions: shared web hosting providers, turnkey server setups, VPS, etc. - Ansible for server setup automation - system for service management and automation - Amazon Web Services: ec2, s3, RDS, EFS, Elasticashe - experience in Linux server diagnostics and optimization Expert areas: - DevOps (Azure | GCP | AWS | Kubernetes), Kubernetes (AKS, IKS, GCP, EKS, DOKS), CI/CD, Azure DevOps, Azure, GCP, AWS Languages and SDKs I have worked on: PHP, JS, Bash, Python Other Technologies: Docker, Kubernetes, Git, Shell, Firebase, Ansible, Nagios Software / Applications I have created in the past: - Online Admission System - Online Examination Portal - Vehicle Tracking System - Learning management system
CentOS
FedoraAnsibleMySQLBash ProgrammingPythonNGINXUbuntuLinuxAzure DevOpsAWS DevelopmentCI/CDKubernetesLEMP StackLAMP Stack - $100 hourly
- 4.9/5
- (1,070 jobs)
No voice chat. AWS Expert - EC2, RDS, Load Balancing, Auto Scale, S3, Cloudfront, VPC, Route53, Workspaces, Workmail, Codedeploy, costs optimization. Microsoft Azure, Google Cloud - environment configuration, migrations, infrastructure analyzing and optimization. Cloudflare configuration. Server performance optimization - Apache, Nginx, Varnish, Mysql/MariaDB, php-fpm. Wordpress - performance optimization, security, migrations, malware clean up. Prestashop - AWS deployment, nginx configuration. Server and configuration optimization, security and speed up. Prestashop to WooCommerce migrations. Magento - security, migrations, environment configuration, performance optimization. Matomo, Sendy, Jira, OwnCloud, OpenVPN - installation, configuration, performance optimization. Dedicated Servers and VPS setup, configuration, security - both Windows and Linux. Work with CentOS, Ubuntu, Debian, Amazon Linux, FreeBSD, Windows 2003/2008/2012/2016 Servers. Server administration Panels, setup and configure - Plesk, DirectAdmin, WHM, Cpanel, Webmin, WHMCS, VestaCP, CWP. MySQL, MSSQL, Apache, IIS - setup, configuration, optimize for performance.
CentOS
cPanelLinuxPrestaShopZen CartUbuntuDomain MigrationLinux System AdministrationAmazon EC2WordPressAmazon Web Services - $95 hourly
- 4.9/5
- (281 jobs)
⭐️ Top Rated Plus - Top 3% Expert on Upwork 🕒 9000+ Working Hours ✅ 20+ Years of Expertise ✅ 100% Job Success ✅ 280+ Successful Projects Finished ✅ 5 Star Rating Hello, I'm Oleksandr. As a seasoned Linux System Administrator and DevOps Engineer with over 20 years of experience I specialize in delivering robust IT solutions that enhance operational efficiency and security. My expertise spans across various domains, including: ▪ DevOps & Automation: Successfully implemented automated provisioning using SaltStack and Ansible, streamlining deployment processes and reducing manual intervention. ▪ Linux & FreeBSD Maintenance: Managed and optimized server environments on CentOS, Debian, Ubuntu, RHEL, and FreeBSD, ensuring high availability and performance. ▪ Cloud Hosting: Deployed and maintained scalable cloud solutions on AWS, Azure, and DigitalOcean, enhancing infrastructure reliability and scalability. ▪ Virtualization: Utilized Docker, VirtualBox, and OpenVZ to create flexible and efficient virtual environments, supporting diverse application needs. ▪ Web & Database Servers: Configured and maintained Apache, Nginx, MySQL, PostgreSQL, and MongoDB servers, ensuring secure and efficient data handling. ▪ Networking & Security: Implemented secure networking solutions, including VPNs and firewalls, to protect sensitive data and maintain network integrity. I am committed to continuous improvement and staying abreast of the latest industry trends. My approach is rooted in ITIL best practices, ensuring incident management and business continuity planning are at the forefront of my work. Let's collaborate to drive your IT projects to success with innovative solutions and expert guidance.
CentOS
Network AdministrationLinux System AdministrationWordPressSSLFreeBSDWeb HostingDNSUbuntu - $35 hourly
- 4.9/5
- (68 jobs)
Senior Full stack Developer with 9+ years experience with a strong focus in Back-end. Tech Lead at FLAMIX team. My goal is to make the client happy and build a lasting relationship. ⭐️My code example - github.com/rshkabko ⭐️Our team portfolio with descriptions - portfolio.flamix.info My core Skills: ✅Back-end: Laravel, Bitrix24, PHP, WordPress (custom theme and plugin), Node.JS; ✅Front-end: Vue.js, React, JavaScript (ES6); ✅SPA & API developing - create modern web app with newest technology; ✅Markup: HTML5, CSS, jQuery, Bootstrap, SASS, Gulp, Webpack; Work Policy: ✅I use version control (GitHub and bitbucket); ✅I prefer to build long term relationships with clients, so I do work responsibly; ✅I can provide assistants to solve simple and routine tasks under my control; If you have a big project or a project from scratch, I can do this with my team, which I have been working over 6 years. Thank you!
CentOS
Bitrix24Ecommerce Website DevelopmentLumen Micro FrameworkLinuxWordPressPHPJavaScriptEcommerce WebsiteWooCommerceLaravelReactVue.jsSaaSWordPress Plugin - $80 hourly
- 4.9/5
- (119 jobs)
In my childhood, I spent a lot of time with a soldering iron, making different interesting things. At high school, I got a PC at home and it started... Dos, Win, Linux, FreeBSD. At the present time, I have more than 20 years of Win experience and more than 16 years of *nix experience. I like to build systems and solve interesting issues. OS - FreeBSD, Linux (CentOS, Alma, Rocky, RHEL, Ubuntu, Debian, Gentoo, etc), Windows (3.1-2019) Virtualization - vSphere 5.x, 6.x. Standalone ESXi and clusters with SAN storages (iSCSI). KVM, Proxmox, oVirt. Veeam BnR, XSI-backup. VmWare Workstation, VirtualBox. Web servers - Apache, Nginx, Lighttpd, Tomcat DB servers - MySQL, MariaDB, Postgresql, MongoDB Mail - Postfix, Courier/Dovecot/Cyrus, Rspamd, Postgrey, Clamav, PostfixAdmin, SquirrelMail, Roundcube, Sendy, AWS SES. I have experience with WHM/cPanel, Plesk, VestaCP, Virtualmin, ISPmanager, but I don't like control panels (most projects are optimized for best performance, and there is no place for CP). If needed, I can learn and work with any control panel. Samba3+LDAP, Samba4 domains (about 500 user accounts, GPO, Roaming profiles, a lot of other stuff). Standalone samba servers. Docker, docker-compose, Jenkins, Ansible. FreeNAS, TrueNas. Squid (LDAP auth, AD auth, basic auth, Kerberos), FTP, SFTP, DHCPD, BIND, TFTP, DAViCal, tinc, Strongswan, mpd5, OpenVPN, quagga, BGP, NFS, rsync, snapshot, rclone, Zabbix, SVN, GIT, Moodle, NextCloud, OnlyOffice, BigBlueButton, Caddy, etc. Dell servers, Dell PowerVault MD storages, HP servers, SuperMicro servers, and usual PC hardware. HP, 3Com, Dell switches, no Cisco experience. DD-WRT, including cross-compiling software from sources for this firmware for ARM arch. Shell, PHP scripting I have a lot of other expertise. Feel free to ask.
CentOS
VMWareVirtualizationLDAPDovecotLinux System AdministrationFreeBSDWindows AdministrationMySQLPostgreSQLPostfix SMTP ServerDNSNGINXLinuxUbuntu - $38 hourly
- 4.7/5
- (17 jobs)
I can maintain, improve, troubleshoot your web servers, services or whole IT infrastructure.I do any tasks related to Virtualization, Linux system administration, Web-servers administration, because I’m a results-driven system administrator with over 7 years of experience in managing security, optimization, monitoring and overall maintenance of 350+ bare-metal and virtual *nix servers of varying distribution and their common services (Nginx, Apache, Squid, PostgreSQL, MySQL, NoSQL, Postfix, Dovecot, Exim, Zabbix, Nagios etc.). Also, with an experience in software development on several programming languages, I have superior technical competence for deep understanding any emerging problems and questions. My strengths are heavily focused in deployment, maintaining, optimization and automatization highload cloud environment. Specializations & skills: • Virtualization: XEN, KVM, oVirt, VMWare ESXi, VMware Horizon View; • Cloud hosting: Amazon, Google Cloud Platform, OVH, Hetzner, Digital Ocean; • Operation systems: Linux (Gentoo, CentOS, RHEL, Debian/Ubuntu etc.), FreeBSD; • Web-servers: Apache, Nginx, Lighttpd, Tomcat, and with ISPmanager; • Amazon WebServices: Cost Optimization, EC2, ELB, S3, Cloudfront, Route53, RDS, WorkMail, Amazon SES, Lambda; • Databases: MySQL, PostgreSQL, MS SQL, various NoSQL; • HA: HAProxy, Pacemaker & Corosync; • CI/CD tools: Jenkins, TeamCity, Gitlab, Gitlab CI; • Code deploy: Capistrano, Jenkins, Git, SVN; • SCM: Puppet, Ansible; • Monitor tools: Zabbix, Nagios, Graphite, Graphana, New Relic, InfluxDB, Collect, Kibana, Sensu, Kapacitor, Telegraph, Prometheus monitoring, Carbon; • Caching: Redis, Memcache, Varnish, Squid; • Mailservers: Postfix, Exim, Dovecot, Sendmail; • Search engine: ElasticSearch, Apache Solr; • Bugtracking: Atlassian JIRA; • Message broker: Kafka, RabbitMQ; • Log management: Graylog; • Backup copy systems: Bacula, Veeam, Bareos; • Programming Language: C/C++, Java, Php; • Scripting: Bash, sh, perl; • VoIP: Asterisk, FreePBX; I'd use this experience to help you out. Tell me what do you want - and I will make you don’t think about how it works.
CentOS
FreeBSDDevOpsLinux System AdministrationNetwork AdministrationVirtualizationNGINXUbuntuAmazon Web ServicesMySQL - $10 hourly
- 5.0/5
- (40 jobs)
Professional System Administrator: Building, Installing, Configure, Fix errors. Developer: PHP, MySQL. Experience: 5+ years. Business and Individual clients wellcome! -Yes, I am working quickly. -Yes, I will answer on any questions. -Yes, I will do it cheap
CentOS
Web DevelopmentNetwork AdministrationMySQLDigitalOceanSSLZabbixcPanelLinux System AdministrationVirtual Private ServerPHPNGINXApache HTTP ServerUbuntuLinux - $20 hourly
- 5.0/5
- (7 jobs)
Hi! If you need to transfer site data between servers or different companies - I will help you with this. I solve problems encountered in setting up and deploying sites on hosting on dedicated servers. I install and configure the control panels (like cPanel, WHM, Directadmin, CWP, ISP) to suit your needs on the virtual server. Also i configure security certificates for sites. I can help to use and connect Cloudflare, have an experience with DNS records, redirection to https:// I clean the logs on the server and many other things. If necessary, I provide hosting services (server rental), domain name and perform its DNS configuration. Also i give consultation to beginners on the basic knowledge to start working with hosting and referring the site to the server. If you have additional questions or have clarifications - please contact! I will be glad to cooperate!
CentOS
DNSUbuntuWeb HostingCloudflareWebsite MigrationLAMP AdministrationBackup & MigrationLinux System AdministrationSSLcPanelEmail SupportLinuxTechnical Support - $40 hourly
- 0.0/5
- (1 job)
I’m a qualified DevOps Engineer with experience in: ✅Deployment and maintenance of Web services and servers. ✅VMware Cloud Infrastructure Administration. ✅Cloud Network Administration. ✅Administration of Linux/Windows based servers. My main technical skills include: · OS: Ubuntu and Centos servers, Windows Server 2019, Windows. · Administration: VMware Cloud Director, VMware vSphere, Palo Alto Network Security, BIG IP F5, Active Directory, Office 365, OpenVPN. · Networks: OSI, TCP/IP, DNS, VPN, routing, NATing, firewall. · Cloud Platforms: VMware, AWS (basic features). · IaaC: Terraform, Ansible. · Application deployment: Docker, Docker-compose, Kubernetes. · CI/CD: Git, Gitlab CI, Github Actions. · Monitoring/Log management: Zabbix, Prometheus, Grafana, BIG IP F5. · Linux apps deploying: Nginx, Apache, Mysql, Zabbix, OsTicket, Ansible. · Programming languages: basics of Python, PowerShell, Bash. My technical background and strong communication skills help me to organize the work process with a client and a team in the most effective way. Besides, the ability to manage my time and self organize let me to work unsupervised. I am always attentive to details and result oriented. I am eager to constantly improve my professional skills, and I would be happy to share my professional knowledge with Upwork clients! 📞Let’s schedule a call to talk about your project
CentOS
AnsibleKubernetesGitDockerCI/CDLinux System AdministrationGrafanaGitHubGitLabDevOpsVMWareBashDNSLinux - $30 hourly
- 5.0/5
- (1 job)
I am system administrator with 5 years experience. I have solid technical skills in various areas of IT operations/administration: - DevOps (automatic provision using SaltStack, Ansible); - Linux (CentOS, Debian, Ubuntu, RHEL) and FreeBSD maintenance; - Cloud hosting (AWS, Azure, DigitalOcean, Hetzner); - Virtualization: (Docker, VirtualBox, Vagrant, OpenVZ); - Web servers (apache, nginx); - Databases (MySQL, PostgresQL, Mongo); - Monitoring (Zabbix); - Bash programming; - Python programming; - Mail servers (postfix, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot); - Networking (DHCP, DNS, VPN, OpenVPN, firewalls: iptables/ipfw, proxies); I familiar with ITIL, incident management and business continuity planning.
CentOS
DockerAWS AmplifyGitHubGitGitLabVPNOpenVPNLEMP StackLAMP AdministrationUbuntuBashPythonLinux - $11 hourly
- 5.0/5
- (4 jobs)
I am the system administrator with mail systems administration as the main area
CentOS
Email SupportPostfix SMTP ServerMail Server ImplementationDNSBash ProgrammingSendmailFreeBSDUnix System AdministrationPython - $30 hourly
- 4.8/5
- (19 jobs)
Enthusiastic system administrator with a deep passion for knowledge, experience and open source technology. Focused on DevOPS, especially in designing, deploying and maintaining fault-tolerant, high scalable infrastructure. Respect infrastructure-as-code principles. Seeking a career in a goal oriented environment using new technologies and current industry trends to further expand my technical skills. Specialties: • Focused on the DevOps culture and automation * Kubernetes, CRD, Crossplane * Terraform * Python, Golang * Kafka, Cassandra * Ansible, Rundeck * Prometheus, Grafana * Nginx, Haproxy, F5 * AWS and its services * Opsgenie, Slack • Centos, Ubuntu, FreeBSD • HW Virtualization - KVM, Vmware, OpenVZ, Xen • Cache and Booster engines • Plesk, CPanel, ISPconfig. • Cloudstack/OpenStack • SIP/Asterisk • Monitoring software • Windows hosting, exchange mail server, IIS and other software involved in hosting industry. I have also strong knowledge in network engineering, information security. I am dealing with Routing&Switching, network security/information security, high-level and low-level network designs, wireless aspects of the networking and other types of IP communication problems on the large-scale networks.
CentOS
Apache KafkaUnreal EngineApache CassandraDevOpsDockerPythonAnsibleTerraformKubernetesGit - $25 hourly
- 5.0/5
- (22 jobs)
- Linux system administrator with experience of server administration 15 years. - Possesses self-discipline, responsibility and the ability to work with the minimum of - supervision. - Logical mind and solution to the problems of any complexity. - A proven ability to administer and control the operation, configuration and - maintenance of linux servers, as well as having an eye for detail and able to multi-task under pressure. - Having experience of Shell/Bash script writing, XEN/KVM/OpenVZ/Proxmox/WSL virtualization. Amazon services. - Can relate well with people at all levels and has the flexibility of working well as part of a team and on my own.
CentOS
Apache AdministrationKernel-based Virtual MachineLinux System AdministrationOpenVZcPanelEximFTPBashNGINX - $25 hourly
- 5.0/5
- (6 jobs)
System administrator (Windows and Linux and MacOs) more than 15 years. Windows server ~2019 Windows ~11 MS SQL server ~2019 IIS Server \ Apache server LAMP \ LEMP
CentOS
System AdministrationServerWindows ServerLinux System AdministrationUbuntuServer VirtualizationTechnical SupportWebsite MigrationMicrosoft WindowsPHPWebflowSQLWordPress - $10 hourly
- 5.0/5
- (5 jobs)
I have more than 4 years of expirience in IT companies in the placement DevOps Engineer. For this period I had many interesting tasks that gave me nessery knowledge and skills. I worked and still want to work in projects in cluster with high availabulity and scalable services in the infrastructure in the cloud and hardware servers with virtualisation or without her. I like my job. It add a power for me.
CentOS
HAProxyDocker Swarm ModeDebianUbuntuDockerNGINXKubernetesMongoDBMySQL - $55 hourly
- 4.9/5
- (13 jobs)
To order my software development services, message me (I also accept video calls). By working independently, I gained a broad professional experience: * Programmed with various languages such as C, C++, Java, C#, Objective-C, Objective-C++, Javascript on various operating systems and devices; * Ported code from one language to another, implemented (partially) known standard Java Servlet/JSP API where Java language is replaced by C++ in dynamic web pages and servlets; * Optimized C, C++ or C# code for better performance; * Implemented interoperability and remote method invocation, performed network socket programming, IPC, designed transport protocol and serialization with reflection for C++ on server side (Linux) and JavaScript/C++/Java/JNI/XML/JSON on client side (desktop/mobile web browser, Android/iOS app); * Performed multithreaded programming, thread synchronization, eliminated race conditions and deadlocks; * Debugged on various operating systems (Windows/Linux/Android/iOS), multithreaded C++ code using GDB on Linux server and client machines, eliminated memory leaks and stack corruption; * Tested software on various devices (Desktop PC, Android/iOS mobile devices); * Performed market analysis, gained marketing experience with AdWords, printed ads, experienced in communication with users, analyzed requirements and implemented them on demand in a new version of product; * Developed web applications, configured Apache server on Linux, ported/maintained module for C++ servlet/page processing; * Administered Linux server, configured KVM and used virtualization technology, configured iptables and rules for improving security and blocking of attacks; * Developed natural language processing (NLP) and understanding software (Artificial Intelligence), developed and tested software that operates on the same principles that humans operate on, with programming language that is similar to human language and provides a bridge between human and a machine. The software can answer simple questions based on known preprogrammed definitions/terms and receive commands using natural human language. Open source projects participation: * LibreOffice Acknowledgement of Participation Award: fixed a bug related to a database issue (C++, SQL, used Eclipse CDT on CentOS 8, GDB for debugging); * OBS (Open Broadcaster Software) modification (C++, Qt, build for Windows, macOS operating system, installer). I also have the technology for Natural (Human) Language processing. This represents the synthesis of my independent research done for more than 10 years in the field of Artificial (General) Intelligence and software engineering.
CentOS
Windows App DevelopmentVirtual MachineLinux System AdministrationApp DevelopmentTech & ITSoftware DebuggingCC++Qt FrameworkmacOS.NET FrameworkC#Software ConsultationAndroid App Development - $20 hourly
- 0.0/5
- (1 job)
5 Years of Experience in System and Network Administration, Cloudflare, Digital Ocean, Server security, Samba4, Xen, Nginx, Apache, MySql, PostgreSQL,PHP, NAS, File Server, ISPconfig, Zpanel, Plesk, Webmin, Virtualmin, Linux, DNS, Operating System: Ubuntu, Debian, CentOS Skills: cloudflare, Digital Ocean, ColdFusion,Active Directory, Server security, Samba4, Xen, Nginx, Apache, MySql, PostgreSQL,PHP, NAS, File Server, ISPconfig, Zpanel, Plesk, Webmin, Virtualmin, Linux, DNS, Postfix, Dovecot, Cloud Computing, Git, SVN, VPN (IPsec, SSTP),SSH, SSL,outlinevpn, i-MSCP - internet - Multi Server Control Panel, aaPanel ,centos-webpanel,PrestaShop Owncloud,nextcloud,wordpress,drupal,instantcms,PrestaShop,opencart
CentOS
System ConfigurationDigitalOceanDebianLet's EncryptWeb HostingSSHPleskCloudflareApache HTTP ServerSSLUbuntuMySQLNGINXlighttpdVPN - $25 hourly
- 2.7/5
- (15 jobs)
20+ years experience in IT; Expert in UNIX-like operating systems (Linux, FreeBSD, Solaris); Over the last seven years worked with ~600 of servers (Ubuntu, Debian, SUSE Linux Enterprise Server systems).
CentOS
Proxmox VEDockerPrometheusScriptingGrafanaNetwork AdministrationDebianFreeBSDContinuous IntegrationLinux System AdministrationBashUbuntuLinux - $10 hourly
- 5.0/5
- (1 job)
Full Stack Web Developer & Network Administrator I am a dedicated full-stack web developer and network administrator with several years of experience building responsive, high-performance websites and web applications for small to medium-sized businesses. My primary focus is on creating customized solutions that meet the specific needs of my clients, whether it’s developing a user-friendly website, streamlining business processes through automation, or maintaining a reliable IT infrastructure. P. S I was on a two-year break, but now everything is fine, and I’m ready to return to work. I Can Offer: 1. Web Development: Proficient in front-end technologies (HTML5, CSS3, JavaScript, jQuery, React, Vue) and back-end (PHP, Node,js, MySQL, MongoDB ). I specialize in building dynamic, SEO-optimized websites that drive traffic and conversions. 2. Custom Web Applications: Experience in creating web applications for personal use and business process optimization. Whether it’s developing a custom CMS, eCommerce platform, or internal tool, I focus on delivering efficient and scalable solutions. 3. Network & Cloud Administration: Extensive experience in setting up and maintaining local and cloud-based networks. Proficient in administering Windows Server environments (2008/2012), Linux environments (Ubuntu, CentOS), setting up and managing AWS and Google Cloud infrastructure, and providing IT support for both physical and virtual networks. 4. SEO Optimization: I help clients improve their online presence by optimizing websites for search engines, ensuring they rank higher and reach their target audience effectively. 5. Office IT Support: Specialized in providing office network setup and troubleshooting, ensuring stable, fast, and secure connections for both on-premise and cloud-based systems. Technical Expertise: Front-end: HTML5, CSS3, JavaScript (jQuery, React, Vue) Back-end: PHP, WordPress, Node,js, MySQL, MongoDB Cloud Services: AWS, Google Cloud Networking: Windows Server (2008/2012), Ubuntu, CentOS, Local/Cloud network setup and management
CentOS
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