Linux Freelancers

Showing 28,001 freelancers

Linux Freelancers

Showing 28,001 freelancers

  • Skilled Linux system and network administrator and developer

    I have an extensive Linux knowledge and TCP/IP network administrator skills, including IP routing with OSPF and BGP experience, Web server setup and support, Apache load balancing, DNS (BIND) setup and configuration, Linux server security hardening, e-mail server setup … more

    I have an extensive Linux knowledge and TCP/IP network administrator skills, including IP routing with OSPF and BGP experience, Web server setup and support, Apache load balancing, DNS (BIND) setup and configuration, Linux server security hardening, e-mail server setup (Sendmail and exim), Perl programming, RADIUS knowledge, KVM virtualization, Astersik software PBX etc. I have serious understanding of PostgreSQL and MySQL database engines. Please take a look at my test results to find IT areas which I know best.  less

    tcp-ip computer-networking linux-system-administration asterisk smtp exim zabbix security perl ssh squid sendmail bash apache-administration bgp ospf wan dns postgresql python 00 more less
    • $19.90 HOURLY RATE
    • 5.0
    • 66 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 14 TESTS
  • GNU/Linux system administrator

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal … more

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I have 6 research publications on the subject of backup mechanics and algorithms, network security, highload systems and cryptographic protocols. Please take a look at my work history for comments from other clients, as well as oDesk test results. Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills: * OS: Windows Sever 2003, 2003 R2, 2008, 2008 R2, 2012; Windows XP, Vista, 7, 8; Debian 5-7; CentOS 5, 6, 7; Ubuntu (desktop 10.04-14.04, server 12.04-14.04); Arch, Slackware, Gentoo; Mac Os X * Coding: C/++, bash, powershell, HTML/CSS/PHP, SQL * Stacks: LAMP, WAMP, Denver * Web servers: Apache, Nginx * Databases: MySQL, PostgeSQL, Micosoft SQL (MSSQL) Server, Oracle database 12c+ * Backup services: Bacula, BackupPC, Amanda, Windows Backup (wbadmin), self-written scripts * VCS: Git, SVN * Domain administration: Active Directoy, Samba * Mailservers: Postfix, Dovecot * Mail tech: spamassassin, SPF, DKIM, un-blacklisting * Netwok secuity: fail2ban, snort, Sqiud, ClamAV  less

    unix-system-administration firewalls tcp-ip network-administration linux-system-administration network-security mail-server-implementation apache-administration lamp-administration microsoft-active-directory 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 34 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Embedded Linux developer

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book … more

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book readers, now abandoned). Good skills in Linux system and network administraton. I have expierence in creation of custom Linux distributions (mainly for embedded systems) and build-systems. Embedded development: hardware prototyping, firmware writing. I have expierence with many (ARM,MIPS,PowerPC)-based SOCs, AVR microcontrollers, digital schematics design and debugging. Languages: C, Ruby, Unix shell, JavaScript, assembler for various archs... My patches in various OpenSource projects: http://bit.ly/1e4ad7z github repos: https://github.com/jekhor?tab=repositories  less

    embedded-linux driver-development embedded-systems atmel-avr c embedded-c ruby ruby-on-rails linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 160 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Linux System Administrator, Streaming Expert

    I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational … more

    I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational skills. · Able to work with minimum supervision. · Able to communicate information accurately. · Can work under pressure and meet deadlines.  less

    php centos wordpress video-streaming linux-system-administration shoutcast wowza-media-server radio-broadcasting vpn openvpn 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • EGYPT
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
  • C programmer with Linux experience

    C programming is what I do best. If you need a C program, you should consider me as one of the best candidates. I'm familiar with Linux system programming, network programming, besides GNU/Linux and C programming is like … more

    C programming is what I do best. If you need a C program, you should consider me as one of the best candidates. I'm familiar with Linux system programming, network programming, besides GNU/Linux and C programming is like my hobby and so I'm open to learn new material, if your job needs it. My goal is to maintain 4+ rating here, this means I won't take your job unless I'm sure I can meet your requirements.  less

    c 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 5 HOURS
    • GEORGIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
  • Linux,Windows,System Admin, cPanel/WHM,Plesk Expert, Nginx,Apache,AWS

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim … more

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim, Mail enable), Advanced knowledge and experience in handling Plesk and cPanel . Experience in server migration Virtualization ( Parallels Virtuozzo/openVZ) Expert in Perl and Bash scripting.  less

    apache-administration linux-system-administration windows-administration cpanel plesk iis nginx postfix wordpress amazon-web-services 00 more less
    • $7.00 HOURLY RATE
    • 5.0
    • 96 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Apache/PHP/MySQL/cPanel/servers/OpenVZ/Xen

    I am a System and network Administrator, who have an experience of 4 years in Linux platform,firewalls.Currently working as a Senior Administrator. OS flavours : Centos/Cloudlinux/Ubuntu/debian/Windows # cPanel /WHM /Plesk Control Panels. # Server Security Management. # SolusVM … more

    I am a System and network Administrator, who have an experience of 4 years in Linux platform,firewalls.Currently working as a Senior Administrator. OS flavours : Centos/Cloudlinux/Ubuntu/debian/Windows # cPanel /WHM /Plesk Control Panels. # Server Security Management. # SolusVM Master and Slave (OpenVZ, Xen and KVM) installation and configuration. # VPS Migration between SolusVM Slaves. # Migration: Online OpenVZ Server migration/cPanel/Plesk. # Hardware RAID setup and troubleshooting. # Managing and configuring backup tools idera/Amazon backup s3 # Custom package installation FFMPEG/RED5 # DDOS prevention and detection # Mail Server Exim/Qmail # Apache/MySQL optimization #PHP Programming # Troubleshooting Level 1-2-3 issues including control panels like (cPanel/WHM, Plesk) # MySQL database and user creation, Tweak MySQL for optimum performance, Repairing crashed databases and tables, Database backup and Restoration # Monitor Load average, process, uptime and suggesting fine tuning/system packages upgrade to ensure better performance. # Configure Firewall using IPtables, CSF and APF # Exploits detection and prevention: Server rootkits and malware scanning, running security updates for possible exploits and hack scripts.  less

    nagios raid-administration cpanel mysql apache-administration centos linux-system-administration domain-migration openvz puppet-administration 00 more less
    • $11.00 HOURLY RATE
    • 5.0
    • 51 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Senior Linux System Administrator

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and … more

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and Recovery of servers. Installation and Administration of Apache, PHP, MySQL. Apache, PHP recompilations to add-on new modules. Excellent experience in various webhosting and Cloud platforms including AWS / Azure / Vcloud / Rackspace etc. I can also handle development tasks using php, codeignitor, Magento, Wordpress etc.  less

    cpanel linux-system-administration plesk virtuoso mysql phpmyadmin mail-server-implementation apache-administration exim php 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 132 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Software Reverse Engineer

    I am an HPC (high performance computing) specialist ( keywords: "super computers" / "number crunching" ) working mostly with huge Linux systems and math related tasks. I am also a scientist specializing in linear algebra . I have somewhat outdated formal training in cryptography … more

    I am an HPC (high performance computing) specialist ( keywords: "super computers" / "number crunching" ) working mostly with huge Linux systems and math related tasks. I am also a scientist specializing in linear algebra . I have somewhat outdated formal training in cryptography (and cryptography related math) but I am definitely not an expert in the field. But here I am looking for fixed price software reverse engineering jobs to keep my skill fresh. Reverse engineering of firmwares for any kind of devices and Molebox problems are welcome.  less

    reverse-engineering linux-system-administration distributed-computing matlab freebsd embedded-linux cryptography 00 more less
    • $75.56 HOURLY RATE
    • 4.6
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Expert of UNIX/LINUX shell scripting

    I have more than 15 years experience as system administrator with AIX, Solaris, SCO unix, Linux I am good at shell scripting, live support. I am also able to write/fix scripts wtritten in ksh, bash, sh, awk, python, perl … more

    I have more than 15 years experience as system administrator with AIX, Solaris, SCO unix, Linux I am good at shell scripting, live support. I am also able to write/fix scripts wtritten in ksh, bash, sh, awk, python, perl, php Databases which i am able to suport is mysql, sqlite and oracle Have a bit expirience with Oracle GRID, RAC and Dataguard. I am familiar with Veritas (Symantec) Netbackup, Veritas cluster, volume manager. I have written custom agents for veritas cluster. I am familiar with BigBrother monitoring system. More details about me you can find in LinkedIn Regards  less

    linux-system-administration software-qa-testing functional-testing network-administration python php software-testing web-testing microsoft-excel mysql 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
loading