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  • Contratar a David08t
    5.0
    34 comentarios $22 USD por hora
    Thanks for watching my profile! I started work as system administrator from 2012 year. About my experience: I have big experience with d94c07f270networkd996b0b1fd d94c07f270administrationd996b0b1fd (VLAN, SNAT, DNAT, iptables, iproute2 ... , multiWAN, tcpdump...), managed switches, routers... A lot of experience with OpenVPN servers/clients. TUNTAP d94c07f270networksd996b0b1fd, complex routing for separate clients. Serial connection 2,3 servers for more
    Thanks for watching my profile! I started work as system administrator from 2012 year. About my experience: I have big experience with network administration (VLAN, SNAT, DNAT, iptables, iproute2, multiWAN, tcpdump...), managed switches, routers... A lot of experience with OpenVPN servers/clients. TUN\TAP networks, complex routing for separate clients. Serial connection 2,3 servers for more security. OpenVPN over IPv6 and other... Extensive experience with pfSense routers. I use it in every office in my main job, in my own office, as router on rented servers. What I did with pfSenses: DHCP, DNS, DyDNS, SNAT, DNAT, 1:1 NAT, Destination\Source routing, Carp (2 hardware pfSenses in failover mode), MultiWAN, gateway groups (failover and load balancing), VLANs, a lot of experience with OpenVPN servers\clients on pfSense. Experience with VMWare ESXi, vCenter, MS AD, DNS, GPO, RDS, Hyper-V, Proxmox VE, Veeam B&R, Mikrotik, Ubiquiti and some other skills. Hope for cooperation! menos
  • Contratar a dailas
    4.7
    24 comentarios $25 USD por hora
    Specialties: IT Management, d94c07f270Networkd996b0b1fd Engineering, MS Windows & Linux d94c07f270administrationd996b0b1fd, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 ... years of Asterisk PBX (plain, elastix, FreePBX) d94c07f270administrationd996b0b1fd and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential menos
  • Contratar a abusayed2004
    2.3
    2 comentarios $30 USD por hora
    for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux customization. • Linux - Hosting Systems d94c07f270Administrationd996b0b1fd & Monitoring • Devops ... planning, application delivery planning • d94c07f270Networkd996b0b1fd Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS • SAN Troubleshoot • glusterfs, ceph • NFS, SMB, ISCSI • Linux performance
    Work 8 years on server security, cloud, AWS, GCP, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql Red hat, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux customization. • Linux - Hosting Systems Administration & Monitoring • Devops • Services Optimization • Security Hardening • VoIP, Asterisk, SMS, Dongle, FreePBX install configure, maintain • Malware Removal • 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 • 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 menos
  • Contratar a herradi
    0.2
    1 comentario $8 USD por hora
    security and generate reports., using specialized intrusion testing systems such Kali linux and tools for analyzing hardware and d94c07f270networksd996b0b1fd. - Computer Security, System d94c07f270Administrationd996b0b1fd . - Cisco ... Certified d94c07f270Networkd996b0b1fd Associate (CCNA) - Firewall : Fortigate , cyberoam. - VMWare, virtualbox. - Mikrotik. -Routers and modems. I am ready to take your project & build it successfully.
    Because free work is a freedom. I am a computer administrator i have more than 5 years of practical experience in as IT Administrator. IT Support, Server Support, Linux, MAC OS X, Ms-office. - VPS, Cloud Computing. - Linux (Debian, Ubuntu .centos. Kali linux. Wifislax). - Microsoft (Windows Servers 2003, 2008, 2012 and 2016). - I have experience in systems analysis based on information security and generate reports., using specialized intrusion testing systems such Kali linux and tools for analyzing hardware and networks. - Computer Security, System Administration . - Cisco Certified Network Associate (CCNA) - Firewall : Fortigate , cyberoam. - VMWare, virtualbox. - Mikrotik. -Routers and modems. I am ready to take your project & build it successfully. menos
  • Contratar a f1x3r
    3.8
    5 comentarios $25 USD por hora
    * Systems administation: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * d94c07f270Networkd996b0b1fd d94c07f270administrationd996b0b1fd: VLAN, VPN, Wireless d94c07f270networksd996b0b1fd, d94c07f270Networkd996b0b1fd equipment managment (Nortel, HP, Cisco), Deep understanding ... , SQL * d94c07f270Networkd996b0b1fd services d94c07f270administrationd996b0b1fd: www (apache, nginx), mail (postfix, sendmail, exim, dovecot, cyrus), DNS (bind, dnsmasq), LDAP (openldap) * Virtualization: Xen, KVM, VMWare (ESX/ESXi, VSphere), libvirt API, OVF * Programming: Perl, PHP, sh scripting, C/C++, Applescript, VBScript, Python, Java ... of d94c07f270networkd996b0b1fd architecture, * High availability: active-passive clusters (RHCS, Linux-HA), load-balancing techniques, clustered file systems (DRBD, GFS/OCFS, GlusterFS) * Security: firewalling
    * Systems administation: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment managment (Nortel, HP, Cisco), Deep understanding of network architecture, * High availability: active-passive clusters (RHCS, Linux-HA), load-balancing techniques, clustered file systems (DRBD, GFS/OCFS, GlusterFS) * Security: firewalling (iptables, ipfw, ipf/pf), antivirus techniques, antispam techniques (both before- and after- queue), SELinux (including writing custom policies), PKI * Database administration: MySQL, PostgreSQL, Oracle, SQL * Network services administration: www (apache, nginx), mail (postfix, sendmail, exim, dovecot, cyrus), DNS (bind, dnsmasq), LDAP (openldap) * Virtualization: Xen, KVM, VMWare (ESX/ESXi, VSphere), libvirt API, OVF * Programming: Perl, PHP, sh scripting, C/C++, Applescript, VBScript, Python, Java menos
  • Contratar a GrArtem
    0.0
    2 comentarios $20 USD por hora
    I'm a System Administrator with more than 5 years of experience on building d94c07f270networksd996b0b1fd, services, solutions based on Windows and Linux(corporate mail servers, routing, firewall, VPN, trunking, proxy ... /hosting: Azure, Amazon WS, Digital Ocean, OVH, GoDaddy, Bluehost, Siteground. CloudFlare JIRA+Confluence (d94c07f270administrationd996b0b1fd) ZOHO mail MAC OS Virtualizion VoIP: 3cx, Twillio, Zadarma
    I'm a System Administrator with more than 5 years of experience on building networks, services, solutions based on Windows and Linux(corporate mail servers, routing, firewall, VPN, trunking, proxy, web-servers, etc), with solid references. Key skills Linux, CentOS Web Panel Windows Server from 2003 to 2016, Active Directory,DNS,DHCP,DFS,File&Storage Server,Security,Group Policy,IIS,Print Server,RDS, Provisioning packages Virtualisation: HyperV, VMWare WSUS,Windows Deployment Services (WDS) Backup: Windows Backup, NetBackup Firewall: Cisco ASA(L2TP/IPsec/Anyconnect/etc.), Kerio Control VPN: openvpn, cisco anyconnect, IPSec tunnels Office 365 Scripting: Batch scripts, PS tools, Chocolatey Web services: IIS, WebDAV, SSL Kerio Control, Squid, VPN, IPtables, Revers Proxy/Virtual hosts Cloud/hosting: Azure, Amazon WS, Digital Ocean, OVH, GoDaddy, Bluehost, Siteground. CloudFlare JIRA+Confluence (administration) ZOHO mail MAC OS Virtualizion VoIP: 3cx, Twillio, Zadarma menos
  • Contratar a abdofarag2
    3.7
    7 comentarios $35 USD por hora
    ● Linux/Unix System d94c07f270Administrationd996b0b1fd - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database ... , Python, and Ruby. d94c07f270Networkd996b0b1fd Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, collectd, Zenoss, and ... , Kubernetes, LXC/LXD ● d94c07f270Networkingd996b0b1fd and Security Firewalls, Routers, Load Balancers: Mikrotik, VyOS, Zeroshell, and PFsense. VPN: Management and configure site-to-site/vpn-as-service (L2TP-PPTP/OVPN)
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: Mysql, Postgres, MongoDB Cache & Proxy: Squid, Varnish, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and Zimbra. Automation: Ansibe, Puppet, Chef, and Teraform. Scripting: Bash, Perl, Python, and Ruby. Network Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, collectd, Zenoss, and Netdata. DevOps: Docker, Git, Jenkins, and Selenium. ● Virtualization and Cloud Computing KVM: Proxmox, RHEV, and OVIRT VMware: VSphere 5.x, VSphere 6.x ClOUD: Open Stack Container: Docker, Kubernetes, LXC/LXD ● Networking and Security Firewalls, Routers, Load Balancers: Mikrotik, VyOS, Zeroshell, and PFsense. VPN: Management and configure site-to-site/vpn-as-service (L2TP-PPTP/OVPN) menos

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