展示 47 结果
高级威客
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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 收起
雇用 servermaster
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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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We deliver complete IT solutions with 16+ years of experience in design, development, hosting, cloud, and ongoing support. Our goal: high-quality, cost-effective services with 100% client satisfaction. 🌐 Our Core Expertise: Cloud & Server Support: Linux/Windows servers, AWS, Azure, Google Cloud, Oracle, DigitalOcean...We deliver complete IT solutions with 16+ years of experience in design, development, hosting, cloud, and ongoing support. Our goal: high-quality, cost-effective services with 100% client satisfaction. 🌐 Our Core Expertise: Cloud & Server Support: Linux/Windows servers, AWS, Azure, Google Cloud, Oracle, DigitalOcean – deployment & infrastructure management Hosting & Email Solutions: DNS setup, Microsoft 365, Zimbra, Exchange, Postfix, custom mail servers Cybersecurity & Compliance: Data security, audits, GDPR/ISO/PCI compliance, penetration testing, disaster recovery planning Web & App Development: PHP (Laravel, CodeIgniter), ASP.NET, Node.js, React, JavaScript, jQuery, AJAX, CSS Data & AI Solutions: Data Analytics, Data Science, Machine Learning, AI-powered automation & insights Digital Presence Optimization: SEO (traditional + AI-powered), paid ads (Google, Bing, Facebook, Instagram, Meta, Amazon), growth marketing strategies Databases: MySQL, MS SQL, MongoDB, Oracle,PostgreSQL etc. CMS & eCommerce: WordPress, Magento, Drupal, Typo3, Zen Cart, NopCommerce Quick Turnaround Services: Landing pages, emailers, microsites, media banners (HTML5, CSS, JavaScript, DCO, DCM, Flashtalking) ✅ Why Clients Choose Us: 600+ projects delivered | 98% completion rate Scalable, reliable, and secure solutions Fast response & minimal downtime Long-term support and partnership Let’s build, secure, and scale your digital presence together. 收起
雇用 karunakartiwari
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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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C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome.C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome. 收起
雇用 kaloyan13
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19 Years experience as Linux/Unix Admin, System/Storage/Server Admin, Virtualization Expert => Install and troubleshoot anything on Linux/Unix, Windows => Centos, RHEL, Ubuntu, Debian, Cloudlinux, Windows => Backup, Recovery, System boot and kernel issues => Server Security and Hardening: FIREWALLD, UFW, IPTABLES,...19 Years experience as Linux/Unix Admin, System/Storage/Server Admin, Virtualization Expert => Install and troubleshoot anything on Linux/Unix, Windows => Centos, RHEL, Ubuntu, Debian, Cloudlinux, Windows => Backup, Recovery, System boot and kernel issues => Server Security and Hardening: FIREWALLD, UFW, IPTABLES, Selinux, Fixing Security vulnerabilities => User, Disk, File Management,Linux Networking/Routing, ISCSI, Multipath, LVM, Partitions => Servers: Cisco, HP, IBM, Dell, Supermicro => Hardware and Software RAID, SAN/NAS Storage => Virtualizor, KVM, Xen, ESXI, VirtualBox, VMware, Vcenter Converter => Apache, Nginx, Mysql, RDS, SSL including Letsencrypt, cPanel, Webmin, Plesk => AWS, GCP, Digital Ocean => NTP, SSH, SQUID, DHCP, BIND, Postfix, Sendmail, VNC, Kannel, HA-Lizard, DRBD, XCD-NG, RSYNC, ISCSI, Multipath, NFS, VSFTPD, Samba => WHMCS, Opencloud, Nextcloud, Zulip, OpenVPN, Polr, Odoo, Advandate, Openmeetings, TOR, Keycloak, Rocket chat, Opencanary, eSignForms, Apache Nifi 收起
雇用 kahlonkamal318
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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. 收起
雇用 jbosseu
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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. 收起
雇用 Hostingshades
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Thanks for visiting my Profile. My name is Deepansh Hooda & I'm a Security Professional. My skills are:- * Network Security * Internet Security * Web Security * Data Security * LINUX * UBUNTU I have 5+ years of rich experience in above mentioned skills. Client Satisfaction is my Top Priority. I guarantee you...Thanks for visiting my Profile. My name is Deepansh Hooda & I'm a Security Professional. My skills are:- * Network Security * Internet Security * Web Security * Data Security * LINUX * UBUNTU I have 5+ years of rich experience in above mentioned skills. Client Satisfaction is my Top Priority. I guarantee you Excellent Quality Work. 收起
雇用 deepuhooda456
