43の結果を表示する
スポンサーされているFreelancer
-
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 減らす
servermaster
を採用する
-
I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert 減らす
dwinurhadi
を採用する
-
abusayed2004 abusayed2004
$50 USD / 時間
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI 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. 減らす
abusayed2004
を採用する
-
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 減らす
osmanbsd
を採用する
-
রিং (ring) is a digital freedom activist who also loves cooking. Full name Shazedur Rahim Joardar. I have a Professional Diploma in IT from NIIT in Software Engineering. I am an enthusiasts of Digital Freedom and GNU/Linux and Computing in my mother language, Bengali . I love to contribute to the society by helping...রিং (ring) is a digital freedom activist who also loves cooking. Full name Shazedur Rahim Joardar. I have a Professional Diploma in IT from NIIT in Software Engineering. I am an enthusiasts of Digital Freedom and GNU/Linux and Computing in my mother language, Bengali . I love to contribute to the society by helping people on using GNU/Linux distributions as a member of some Bengali forum. My email id is very public and open 24×7 to all of the Bengali and the South East Asian Digital Freedom enthusiasts, lovers, users and interested ones. You may communicate with me in Bengali, Hindi, Urdu and English. 減らす
toshazed
を採用する
-
Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale...Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale projects, however large scale projects are definitely a part of my goal to be involved with a talented and coordinated team. 減らす
jbosseu
を採用する
-
I have expertise in Web Hosting, Server Administration & Securities, and Consultancy in Technical Support. Services I provide: ✔ AWS Cloud ✔ AWS Services: EC2, S3, CloudFront, Route53, VPCs, ELB, RDS, CloudFormation ✔ GOOGLE Cloud Platform, Microsoft Azure, DigitalOcean, Linode, Vultr, Alibaba, OVH ✔ Email automation...I have expertise in Web Hosting, Server Administration & Securities, and Consultancy in Technical Support. Services I provide: ✔ AWS Cloud ✔ AWS Services: EC2, S3, CloudFront, Route53, VPCs, ELB, RDS, CloudFormation ✔ GOOGLE Cloud Platform, Microsoft Azure, DigitalOcean, Linode, Vultr, Alibaba, OVH ✔ Email automation tools: Go High Level, Apollo.ai, Clay, Encharge, klaviyo etc ✔ Ansible ✔ Terraform ✔ Cloudflare Expert ✔ HAProxy Load-Balancer ✔ Mysql, Apache, and Nginx Replication/Clustering ✔ Email migrations (IMAP to IMAP, Gsuite to Office365, etc.) ✔ Zimbra ✔ Apache Tomcat Server ✔ Magento2.4 installation and configuration on VPS. ✔ Server Security and Hardening: FIREWALLD, UFW, IPTABLES, CSF, Selinux ✔ Fixing Security vulnerabilities ✔ VMware ESXi Virtualization ✔ KVM Virtualization ✔ Backup Management ✔ Mailing Applications: Interspire, Mailwizz, PHPMailer, Sendy, PhpList ✔ SMTP Servers (Postfix, Dovecot, Power MTA, AWS-SES) With all Email authentication and techniques (IP Rotation, DMARC, DKIM, AntiVirus & AntiSpamChecker, SPF, RDNS, OpenRelay, Spamassassin, FBL) ✔ Web Hosting: ✔ web hosting Control Panels (WHM-Cpanel, CentOS Web Panel, VestaCP, Plesk, Virtualmin/Webmin, ISPconfig, Hestia, DirectAdmin etc) ✔ Web Servers (Nginx/Apache/Lighttpd/LiteSpeed) ✔ SSL Configuration ✔ Server Security And Monitoring. ✔ All types of Server Migration (Control Panel to Control Panel, inter control panel, Core to control panel, Control panel to Core.) ✔ Software installation (Guacamole, WordPress, Drupal, Flynax, and all CMS) ✔ Full-stack web development Services -Laravel, NodeJS, NextJS, ReactJS, NuxtJS & VueJS. ✔ Database Solutions: -MongoDB, MySQL, PostgreSQL & Redis. 減らす
Hostingshades
を採用する
-
Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every...Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every project." Research Writing: We specialize in research writing services, including literature reviews, research papers etc Computer Science: Our team is proficient in Machine learning, Deep learning, Artificial intelligence, Algorithms, Linux, Bash, Docker, and Asterisk. Engineering: We offer expertise in electrical, mechanical, civil, chemical, software, petroleum, and structural engineering. Statistics/Data Analysis: Our team has experience in SPSS, Minitab, Weka, and R programming for statistics and data analysis. Big Data Analysis: We offer services in classification and prediction, Hadoop, and Spark for big data analysis. Game/Web Development: Our team specializes in UNREAL, 3D, AR, VR, Unity 3D, and IOS/Android app development. Software Development: We provide software development services using languages such as Matlab and Mathematica, Python, Java, C/C++, C#, Arduino, Raspberry pi, and cloud computing. Engineering Tools: We are proficient in using tools such as 3ds Max, AutoCAD, Solidworks, Revit, Cisco, Simulink, Verilog/VHDL, Ansys, CAD, CAM, Abaqus, Arena, PCB, and hardware. Other Skills: We also have experience in EAGLE, Linux, Unix, Socket, Aspen, Hysys, TensorFlow, Keras, OpenCV, OpenGL, COMSOL and PLC Contact us today to discuss your project and get started! 減らす
LiveExperts
を採用する
-
After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python Virtualization ---> Vmware Vsphere High Availability & Disaster Recovery ---> Veeam Backup & Replication Windows Server ---> Active Directory, File Services, WDS Mail Server, Database Server ---> Exchange, Mdaemon VOIP ---> Elastix, Freepbx Website Development ---> Wordpress, PHP, HTML, CSS, Javascript 減らす
arifnafees
を採用する
-
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive 減らす
iosifpeterfi
を採用する
