Zabbix

Find freelance Linux and Unix administrators for server setup, hardening, migration, and ongoing management across Ubuntu, Red Hat, Debian, and more. Compare portfolios, reviews, and skills, then post a project or contact a specialist to start secure

Yevgeny

System & Network Administration · Software & Server Configuration

648 0

5.0

4 329

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My Skills and Experience I specialize in and work with various operating systems: Debian Ubuntu RHEL CentOS FreeBSD Windows I work with server hardware: IBM HP ProLiant Dell PowerEdge Supermicro I know how the following software should work: Web: Apache, Nginx, Lighttpd, OpenLiteSpeed Mail: Exim, Postfix, Dovecot FTP: ProFTPd, vsftpd, PureFTPd DNS: BIND, PowerDNS DHCP Gateway: NAT, traffic shaping Proxy: Squid Directory: LDAP AAA: FreeRADIUS VPN: IPsec-based, OpenVPN, PPTP, L2TP TFTP NTP Syslog TLS/SSL SNMP Virtualization: KVM, Xen, VMware ESX, OpenVZ, Proxmox Backup and Restore: RSYNC…

11 USD

0 1 731

Settings of nginx

Linux & Unix

Set the nginx web server under the key. Writing individual rewrites and others.

Ihor

Linux & Unix · Software & Server Configuration

877 0

5.0

3 189

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Oleh

System & Network Administration · Linux & Unix

59 0

5.0

386

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Hello I'm Oleg and I will help you quickly and professionally deal with the most difficult problems. I work for a large IT company as a DevOps. I can handle the most difficult tasks. I provide services in the following areas: System administration of Linux, Windows, MacOS ✅ Developing in PHP, C# ✅ Full-stack website development ✅ I can help you create and customize a website on any CMS, assist you in purchasing a domain, and make a turnkey project. I can work with any web development and servers. I also have great experience with Docker containers. If you need to get the work done on time…

Gleb

Software & Server Configuration · Linux & Unix

99 2

254

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Roman

Linux & Unix · System & Network Administration

15 0

500

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30 USD

0 388

Writing the service for systemd

Linux & Unix

Writing systemd service for automatic scripts in Python.

Analysis of the network and detection of DDos attacks.

40 USD

0 483

Analysis of the network and detection of DDos attacks.

Linux & Unix

Analysis of the network and detection of a small DDos attack without additional services.

80 USD

0 395

Nginx configuration for the CDN project

Linux & Unix

NGINX configuration for the CDN project with channel load distribution and outgoing traffic of more than 300 TB per month.

30 USD

0 235

Optimization of MySQL

Linux & Unix

MySQL database optimization to increase the speed of the website.

Vitalii

Linux & Unix · DevOps

5 0

5.0

282

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You, an ambitious business owner or CTO, want to innovate and grow your company without being held back by technical challenges. But your team is struggling with the complexity of managing cloud infrastructure, deploying code quickly, and keeping systems secure and reliable. With my combined experience as a DevOps engineer and Linux System Administrator, I understand the challenges of maintaining a stable, secure, and scalable infrastructure. I offer a strategic approach that includes optimizing your cloud infrastructure, automating deployment pipelines, and fortifying your systems against…

Set up the OpenVPN server on Ubuntu and the Microtik client

50 USD

1 507

Set up the OpenVPN server on Ubuntu and the Microtik client

Linux & Unix

Configuration of the OpenVPN server on Ubuntu and Microtik client and writing documentation Instructions are required by type 1) Go to the server 2) Enter the command to install open vpn easy rsa 3) Introduce a team to lock the routing 4)…

Mihail Savin

Linux & Unix · System & Network Administration

23 0

5.0

334

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0 21

Linux by network (PXE + NFS)

Linux & Unix

Start #linux on the workstations from #net by #PXE+#NFS. What releases the convenience of installing the OS on each machine, this scheme allows you to have one image of the system on the #server. And, for example, the installation of any software or…

1 998

Network of Docker containers

Linux & Unix

The network of #docker containers, each separately connects to different #subsites #hamachi(free #vpn service). Create containers through #Dockerfile, in each container your user and password, your #vpn network and available through #ssh. Container…

0 121

Network Access Servers

Linux & Unix

Set the link #Juniper + two #NAS (#FreeBSD). #bgp, #pppoe, #mpd5, #authorization through #radio on the remote server of #biling. #ipfw #nat + "white" subnet (RIPE AS), dynamic #route (#ospf) on two #servers. Up to 2500 sessions on both servers,…

1 766

Network Storage Server (ZFS)

Linux & Unix

A seat storage. It is collected completely by me, starting with the selection of #Rail and ending with #System settings. 16 #SAS #hdd by 8TB (extension to 36). #ZFS #stripe + #mirror + #ssdcache. The network is linked to #nfs, #samba.

Aleksandrs Kolomicevs

Cybersecurity & Data Protection · Linux & Unix

0 0

199

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installation and support of linux server and various services

228 USD

0 211

installation and support of linux server and various services

Linux & Unix

Deployment of #Linux server or local or VPS, deployment of services such as web server with #CMS or landing page, #SFTP, #database, #DNS and many other services, system monitoring and troubleshooting, backup, #cybersecurity

Serhii Kravchenko

Linux & Unix · System & Network Administration

0 0

187

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Senior Infrastructure Engineer / System Administrator (10+ Years of Experience)I design, deploy, and maintain server environments and network infrastructure. I take full ownership of the technical stack: from basic VPS configuration to building secure VPN tunnels and automating daily operations. I work autonomously without the need for micromanagement.Core Competencies:• OS & Servers: Linux (Debian, Ubuntu, CentOS), Windows Server. • Virtualization: Proxmox VE, KVM, Docker. • Networking & Security: Routing (BGP, OSPF), VPN (WireGuard, OpenVPN, IPsec), MikroTik, Firewalls (iptables), DDoS…

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