ubuntu System Administrator Linux\UNIX bash VPN Mikrotik Zabbix DevOps engineer ansible Amazon AWS
Yevgeny

Yevgeny

Ukraine Plus

System & Network Administration · Software & Server Configuration

648 0
5.0
4 368
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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…
Settings of nginx
11 USD
1 731
Settings of nginx
Linux & Unix
Set the nginx web server under the key. Writing individual rewrites and others.
Ihor

Ihor

Ukraine Plus

Linux & Unix · Software & Server Configuration

875 0
5.0
3 188
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Oleh

Oleh

Ukraine

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…
Roman

Roman

Ukraine

Linux & Unix · System & Network Administration

15 0
500
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Writing the service for systemd
30 USD
382
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
475
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.
Nginx configuration for the CDN project
80 USD
393
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.
Optimization of MySQL
30 USD
229
Optimization of MySQL
Linux & Unix
MySQL database optimization to increase the speed of the website.
Vitalii

Vitalii

Ukraine

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
506
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

Mihail Savin

Ukraine

Linux & Unix · System & Network Administration

23 0
5.0
310
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Linux by network (PXE + NFS)
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…
Network of Docker containers
995
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…
Network Access Servers
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,…
Network Storage Server (ZFS)
764
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

Aleksandrs Kolomicevs

Latvia

Cybersecurity & Data Protection · Linux & Unix

0 0
199
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installation and support of linux server and various services
228 USD
209
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

Serhii Kravchenko

Ukraine

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…