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7

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Iptables Upwork freelancers typically receive a client rating of 4.88.

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Last updated: August 1, 2015

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  1. Viktoria A

    Viktoria A

    Technical Support

    Russia - Last active: 26 days ago - Tests: 7

    I have 3 years of experience working as a Linux Administrator where I gained extensive knowledge in this field. I am familiar with installation, configuration, patching and upgrading systems. I worked mostly with CentOS but also with Ubuntu, Debian and FreeBSD. In the last 3 years I installed and managed servers and services like Apache/Nginx/lighttpd, MySQL, Postfix/sendmail/exim/dovecot/courier, DNS servers, squid and a lot more. I can install, configure and maintain any piece of software you need.

    $7.00 /hr
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  2. Sibin Kumar

    Sibin Kumar

    Linux Systems Engineer (cpanel expert)

    India - Last active: 20 days ago - Tests: 2

    Am working in web hosting field for past 3 years. I have worked with different web hosting companies (Pacific Host, D9hosting, akooka etc). I am comfortable with all kind of Linux servers (setup, hardening etc) . Currently working as a tier 3 technician in a leading web-hosting company located at U.K. Familiar with: Software: WordPress,Joomla,phpmotion,clipbucket,Softaculous,fantastico,idera(R1soft), SolusVM etc Server side: Red5,cPanel,FTP,Mysql-Tuning,Apache-Tuning,Squid,OpenVZ,Zen etc Managing 1000+ Linux based servers using configuration management tools (Puppet) Installation/Troubleshooting of client side application and database systems. Perform database administration functions on MySQL database management systems, including general maintenance backup & data restoring. Mysql disaster recovery. General maintenance backup, data restoring and replication. Kernel recompilation, Server hardening, VPS container creation and assigning parameters Installation: Linux,Apache,MySQL,PHP(LAMP) etc from source as well as using package managers/repositories such as RPM, yum etc Troubleshooting(Centos,OpenVZ,cPanel,DNS,Apache,ngnix,litespeed) Handling DNS and its troubleshooting. Firewalls: Iptables, CSF, LFD, ASL All type of account migrations (using FTP mirroring, rsync etc) Basic bash scripting knowledge. Source code compile. Cloud Computing & AWS(basic concepts) Mysql administration(including backup) My linkin URL : linkedin.com/pub/sibin-kumar/2b/38b/722/en Control Panel: cPanel

    $5.00 /hr
    0 hours
    0.00
  3. Alexander Moiseenko

    Alexander Moiseenko

    System Administrator

    Russia - Last active: 1 month ago - Tests: 4 - Portfolio: 1

    1. Providing for stable work of company employees. Support of telopony, LAN, file storage, workstations, online services and desktop applications; 2. Search, analysis and implementation of solutions to increase revenues, the computing system and staff; 3. Ensuring the integrity, security, privacy, data representing the commercial value of the company; 4. Optimization, reducing the cost of IT infrastructure.

    $7.00 /hr
    0 hours
    0.00
  4. Jose Luis Ruiz

    Jose Luis Ruiz

    Support Engineer

    Spain - Last active: 12/11/2014 - Tests: 1

    Telecommute / Work remotely from both Torremolinos (Málaga), Spain and Toronto, Canada Linux Administration and Maintenance (Debian/Ubuntu and Red Hat Enterprise 5.2., 5.5.) Amazon Cloud and VMware ESX Administration and Maintenance (Instances, Elastic Compute Cloud EC2, volumes, AMIs, snapshots, security groups, etc.) Postgres and Mysql Administration and Maintenance Queries, processing and scripting access.
DNS Management. Records creation A, CNAME, TXT, SPF, MX, etc. of over 30 domains LDAP Administration: Primary and secondary nodes, users, groups, roles management Bash/Python/Perl script programming.
Systems Securitization (iptables, patching, nagios, nmap, etc.) Services deployment (Apache, Tomcat, Postgres, MySQL, Rhino, Mobicents, Dialogic Media Server, Radisys Media Server, etc.) Applications (JAR/WAR) deployment in production environments (Tomcat and Rhino) PBX administration, Asterisk (database accessing, rules, triggers, etc.)
CMS Deployment and Management (Joomla, Wordpress, Dotcms) Support procedures definition for clients and partners.
Architecture design for global clients (France, Italy, Austria, USA, South America)
 Incidents Lifecycle Management and Optimization Nagios and Cacti Monitoring (Installation and configuration)


    $25.00 /hr
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  5. Philip Adrian Pena

    Philip Adrian Pena

    Technical Support Specialist

    Philippines - Last active: 01/22/2014 - Tests: 4

    I've been a technical support specialist since 2004, and I've also become part-LINUX system administrator since 2010. My expertise includes Windows desktop and laptop repair, LINUX server management, and some Windows server management. I also write from time to time, ranging from my personal blog to answering rules questions regarding the game, Magic: the Gathering. I am also a certified Magic Judge - Level 2, in which I travel locally and abroad to manage Magic: the Gathering tournaments.

    $3.33 /hr
    0 hours
    0.00
  6. Shamim Ahmed

    Shamim Ahmed

    System & Network Administrator

    Bangladesh - Last active: 08/26/2013 - Tests: 6 - Portfolio: 1

    Experienced in Linux maintenance/troubleshooting (RHEL, Centos, Debian, Ubuntu), Virtualization: (VMware, Xen, KVM), Cloud hosting (Amazon EC2, AWS, S3), Networking (DHCP,FTP:pureftpd, DNS:PowerDNS/bind/named, Proxy: Squid, VPN: openvpn/pptp,l2tp,IPSec,SSL Firewalls: iptables/ipfw,Shorewall, QoS, Proxies), Web servers (apache, nginx, lighttpd, tomcat), Mail servers (MS Exchange, Exim, Postfix, MDaemon, Anti-spam/ Antivirus: Clamav/Spamassassin/Amavis, Courier, Dovecot, Dkim, SPF), Automation (puppet, perl/shell/awk scripting), Monitoring (Cacti, MRTG, Munim, Nagios, Zabbix), Hosting Panels (Cpanel/WHM, Plesk, Directadmin). OS: Windows Server, MacOS, Linux, Mikrotik etc.

    $8.11 /hr
    0 hours
    0.00
  7. Waqar Ali Khan

    Waqar Ali Khan

    Linux Consultant and Systems Administrator

    Pakistan - Last active: 07/02/2014 - Tests: 5

    >> Linux Server Management: • I have deep experience with all Linux commands including creating, removing, printing, editing files and manipulating files and directories. High skills with shell I/O redirection, pipes and filters. • I have advanced knowledge of Linux commands, including navigating through all flavors of Linux used in CLIENT(RedHat Linux, CentOS Linux, SUSE Linux and Ubuntu) and controlling access with standard security features. • Configures and sets up printers & terminals. •I have knowledge of command shell management, including configuring the Bash shell, K shell and C shell environments. • Complex system administration, including system process management, administration and user account management of all Linux flavors, and system error monitoring using diagnostic tools. • Manages disk devices, disk partitions, RAID partitions and logical disk volumes. • Troubleshoots system problems. • System administration and operating systems management, including multiprocessor CPU management. • I have identifies system enhancements and undertakes preemptive measures to maintain and improve service to end users. >> Linux System Security: • Understands the concept of system security and the difference between LINUX basic and enhanced security. • Able to describe different possible risks of breaking system security and mitigate these risks. >> Linux Backup and Recovery: • I have detailed knowledge of LINUX commands & utilities which perform data backup and restore such as TAR,DUMP, RESTORE & other linux . • I have good knowledge of different backup strategies (e.g., daily incremental & monthly or weekly image backup) • I have able to design a complete backup and recovery system for more than one LINUX flavor using LINUX commands & utilities. • I have able to design and implements data archiving system. • I have designs, writes and maintains backup & restore shell scripts programs. • I have able to design and implement disaster recovery plans. My major expert areas in Linux are: >>TCP/IP networking & Security :- ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers. >>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba server), any open source or closed source software in the field. >>Monitoring and remote admin :- Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Nagios. >>Scripting :- Bash, PHP. >>Inter-networking :- LAN/WAN using Cisco and DLink Routers, Switches, Structured cabling systems. >>Virtualization:- WMWare Exsi 4/5, VirturlBox, Zen

    $16.67 /hr
    0 hours
    0.00
  8. Hygor J L Cardoso

    Hygor J L Cardoso

    Linux SysAdmin

    Brazil - Last active: 09/24/2014 - Tests: 1

    I am a Linux Sys Admin with extensive experience in support and installation of Linux servers and data centers for Infoplace. I have more than 7 years of experience in supporting companies in various segments, totaling approximately 200 servers installed. In this role, I was managing two teams, one with three people in Linux support and other with four people in microcomputers support. I was responsible for client relationships and worked directly with the small, medium and large companies support and critical servers. I have much experience with supporting and creating solutions for companies of all sizes, local and remote, with different distributions (CentOS, RedHat, Fedora, Scientific Linux, Ubuntu, Debian), in various environments and types of equipment. Now I'm living in Brazil, but when I have been in Los Angeles for 2 mounths for vacations, I saw a rising up city in my area, so I believe that a remote job would be the best option to start this process, that can soon live and work in los angeles and improve more my skills and contribute to improve for your company too.

    $33.33 /hr
    0 hours
    0.00