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ubuntu nginx linux debian system administrator docker centos7 vps bash vpn debian unix proxy openvpn

Linux and Unix · Software and server configuration
Ukraine Khmelnitskyi, Ukraine
3364
 773  0

Yevgeny — jekasumy  
System administration · Software and server configuration
Ukraine Sumy, Ukraine
Professional system administration. Linux/Unix.
2683
 435  0

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 Revision Control Systems: CVS, SVN, Git File Sharing: NFS, SMB Software-Defined/Network-Based Storages: DRBD, Ceph, iSCSI, AoE Printing Systems: CUPS I am familiar with databases: PostgreSQL MySQL I have experience with monitoring systems: Zabbix Cacti Munin I also work with: Telephony: Asterisk (FreePBX, Elastix, MikoPBX) Routers: Mikrotik, All (Firmware OpenWRT, DD-WRT), hardware repair Billing systems for Internet Service Providers: Abills, Ubilling (building networks from scratch) Billing systems for hosting providers: BillManager, RootPanel, WHMCS Hosting panels: ISPManager, CPANEL, BrainyCP, VestaCP, ISPConfig, aaPanel, HestiaCP PON equipment (ONU, OLT): BDCOM Switches: Mikrotik, D-Link, TP-LINK, Cisco I have extensive experience in these areas. Feel free to reach out to me, I'll answer all your questions! Please note: I do not engage in website development.

Linux and Unix · System administration
Ukraine Sumy, Ukraine
388
 9  0

Linux and Unix · Software and server configuration
Ukraine Odessa, Ukraine
165

IP-telephony and VoIP · Linux and Unix
Ukraine Kyiv, Ukraine
122
 3  0

Привет! Linux & VoIP инженер к вашим услугам, всего коммерческий опыт около 4х лет. Занимаюсь администрированием Linux-систем и, немного, разработкой под небольшие задачи. 4 года опыта работы с UNIX-подобными системами (Debian / Ubuntu). ✔️VoIP Telephony services (SIP): Asterisk, FreePBX IP-PBX platforms Experience with hardware like GSM, FXO/FXS gateways, PRI modules Dialplan programming (AEL, LUA) Asterisk AMI, AGI, ARI interfaces A little experience with Kamailio SIP trunking and carriers interconnection ✔️Linux and DevOps: A power user and administrator of Debian/Ubuntu systems for about 5 years VPS and Cloud Environments such as Hetzner, Digital Ocean, Vultr, Linode, Rackspace, GCP, AWS (Cloud Practitioner) Experience with Terraform, Ansible, Puppet, Docker, LXC Proficient with Proxmox (KVM) ✔️Monitoring: Experience with Zabbix and Nagios Prometheus, Grafana, ELK ✔️Software Development Junior level of PHP, JS, Bash and Python FrontEnd development (jQuery and React.js) API development - Node.js (express, koa), Python (flask) ✔️Networking Feeling comfortable about the most common networking protocols around me Fell in love with SIP & (S)RTP, DHCP, HTTP(s), DNS, ICMP, WebRTC, STUN, SSH, VRRP and a few others Proficient with Cloudflare (DNS, firewalling, SSL/TLS) Experience with Mikrotik hardware (on my path to MTCNA now)

Testing and QA · Linux and Unix
Ukraine Sumy, Ukraine
56