Ervin S. Profile

5,0

(60 değerlendirme)

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$58 USD / hour

vlore,

albania

$58 USD / hour

It's currently 5:23 ÖÖ here

Joined Mart 4, 2016

10 Tavsiye

Ervin S.

@vinskendaj

5,0

(60 değerlendirme)

7,5

98%

$58 USD / hour

vlore,

albania

$58 USD / hour

%100

Tamamlanmış İş

%16

Bütçe Dahilinde

%100

Zamanında

%15

Tekrar İşe Alınma Oranı

System Administrator. Vmware. Network Engineer.

MSc Degree in Computer Sciences. 15+ years experience on hands in network designing, implementation, optimization, integration, security, and troubleshooting. I've experience on the following technologies: -Cisco, Juniper, Mikrotik,Ubiquiti,Sonicwall,Palo Alto ,Dell, HP, Aruba,Alcatel, Fortigates -VMware, vcenter 5.x/6.x/7.0.x -Xenfarms virtualizations.Xen Desktop and XenApps,Citrix. -Windows 2k8R2/2k12r2/2k16/2k19 -Linux servers : CentOS 5.x -9.x /DebianOS/SUSE/RHEL -Proxmox / Clonezilla -Telephony systems : Asterisk/Grandstream -SNMP monitoring : Observium/Librenms/Cacti -Call Centers : Goautodial/Vicidial/OSdial/Issabel PBX/Freepbx -integrations: SugarCRM / Suite CRM -Zimbra/OwnCloud/Nextcloud integration Collabora online -Roundcube/ squiremail /postfix relays with AWS SES -OVH server / Hetzener server / Aruba hosting /Contabo -SSL / EV-SSL installation /OpenSSL -webhosting platform installations like CPanel/WHM/VestaCP/Plesk / Magento1/ Magento2 / Joomla3 and Joomla4 / Webmin -ProxySQL/Mysql/MariaDB/ Percona5.x-8.0.x /Postgres9.4-PostgreSQL14 -database conversions from Mysql -> PostgreSQL -bugzilla/confluence/jira/trello setup/Mantis BugTracker -Redis/Varnish Cache -Docker containers / Docker administration -Portainer administration and deployment -Nginx load balancers / apache load balancers -Apache/Nginx optimizations for heavy load/heavy traffic websites. -Cloudflare configurations and adaptations -AWS EC2/ RDBS/Gateways/VPCs -AWS EC2 infrastructure to on-prem. connections via VPN over BGP -directus installations -openvpn installation and implementations on mikrotik/pfsense or vm. Both client and server side. -personalized backups via bash scripts and cron-jobs. -moodle installation and administration -rocketchat installation / backup and restore -Pihole setup in docker or physical server. Kindly note: NO Indians employers.

System Administrators freelancerlarından Albania içinden olanlarının tümünü görün.

Ervin S. ile işiniz hakkında iletişime geçin

Sohbet üzerinden herhangi bir detayı tartışmak için giriş yapın.

Portföy Ögeleri

The request of the client was clear. Block unwanted ads in his home network. Due to little children accessing devices like phones, tablets , pcs.
they would click on ads, leading to potential infections and exposal of the little ones to unwanted content.

Pi-hole setup

The task was complicated as i had to deal with data loss and partition damaged , on top of crashed vms. i had to mount images in live iso, to extract the data , and rebuild the entire vms that crashed again.

Crashed VMware vms

the client had problems with a mikrotik router, and ESXI server and a vm behind a vSwitch which was suppose to connect on TenGbp/s network. Then the second request was to limit the port on 4Gbp/s , particularly the interface that connected on ESXI server.

fix routes in mikrotik

Client had an infrastructure of Gaming servers behind the Mikrotik which was having issues from being DdoS every second with huge amount of packages above 10gbp/s. Normal firewalling would lead the mikrotik to reboot , since it was consuming way too much CPU. need to reimplement everything on prerouting / RAW and Mangle to have the mikrotik respond the expected way

Block DDos on Mikrotik

The client requested a new server to be build , in order to handle his high traffic website.
several components were involved into the project :
-Varnish cash
-Redis Server
-Percona Clusters
-frontend magento

services were split in several machines in order to optimize the performance

Magento2 Upgrade Server Infrastructure

The project request were:
1) installation of VestaCP and configure the panel
2) secure the server
3) migrate all the site over to the new dedicated server
4)create FTP, SFTP, accounts for each site (based on the clients needs)
5) configure the new A Records of the DNS

Installation of VestaCP and migration of all site

Değerlendirmeler

Değişiklikler kaydedildi

50+ değerlendirme içinden 1 - 5 arasındakiler gösteriliyor

Değerlendirmeleri filtreleme kriteri:

5,0

$250,00 USD

fix server and database problems

the work was well done, and although it took much longer than expected it could be solved. there were several errors, corrupted database among others but it was solved. I would trust him when I need another person to do it again.

Seo Inversion SAS

@seoinversion

•

2 ay önce

5,0

$260,00 USD

Issabel Configuration

Easy to work with Ervin. He is very good.

PHP

Linux

Software Architecture

Asterisk PBX

VoIP

Ameltek I.

@ameltek

•

4 ay önce

5,0

$156,00 USD

IT Admin

Really great to work with.

Network Administration

Allen H.

@davidcianci

•

4 ay önce

5,0

€130,00 EUR

zimbra emails not being delivered.

Good professional, he solved a problem I had with Zimbra

System Admin

Linux

MySQL

Network Administration

+1 daha

Luis G.

@ticandgoSL

•

5 ay önce

5,0

€250,00 EUR

VMWARE vSphere 7.x Support ... 2 of 4 server are not starting after hard reboot server.

I can only highly recommend this freelancer.

Network Administration

Stefan S.

@simagore

•

5 ay önce

Deneyim

Bankers Petroleum LTD

Ara 2016 - Şu anda

Currently Working as System & Network Administrator. in charge of the infrastructure , virtual & Physical. Main key responsibilities include virtualization, server management, system administration and strategic planing.