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  • Zatrudnij użytkownika abdofarag2
    3.9
    4 ocen $25 USD na godzinę
    ● 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,...
    ● 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) mniej
  • Zatrudnij użytkownika lumeihui210
    3.1
    1 ocena $30 USD na godzinę
    First I have many experiences with C/C++ during 10 years. Also I'm a developer with experience in WebRTC,MongoDB,Bootstrap,AngularJS and NodeJS. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to...
    First I have many experiences with C/C++ during 10 years. Also I'm a developer with experience in WebRTC,MongoDB,Bootstrap,AngularJS and NodeJS. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. I look forward to hearing from you! Thank you. mniej
  • Zatrudnij użytkownika wassily
    2.8
    1 ocena $30 USD na godzinę
    Hire for $100- and above projects; if it's reverse engineering/hacking, I do whitehat only. I'm a brainbench.com certified Master Windows API Programmer, Visual C++ and Delphi programmer. Major software projects: www.scoutdongle.com - SCout - standalone software for Motorola phones firmware upgrade and setup (MS...
    Hire for $100- and above projects; if it's reverse engineering/hacking, I do whitehat only. I'm a brainbench.com certified Master Windows API Programmer, Visual C++ and Delphi programmer. Major software projects: www.scoutdongle.com - SCout - standalone software for Motorola phones firmware upgrade and setup (MS Visual C++). Software and data files protection is based on smart-cards www.smart-clip.com - SmartMoto - a tool that performs mobile firmware upgrade and service operations by the use of the external smart-clip device (MS Visual C++). Сopy protection system based on smart-cards, integration of the StarForce copy protection in the executable. Abonent - an accounting package for city network of water supply that determines water distribution and payment (starting with Borland Pascal, TurboVision and ending with Firebird SQL database and network client software in Borland Delphi at present) ReadIt - a Windows 9x integrated program that reads aloud user interface elements and events to visually impaired people (MS Visual C++) System tools for Windows 9x/NT - system/driver function call monitors (MS Visual C++) Area of Expertise: Algorithms design and implementation Creation of components and controls, COM / ActiveX Hardware I/O (USB, COM, LPT), sockets, network communication protocols Cryptography, software copy protection, smart-cards (java-cards) Software: Datarescue Interactive Disassembler Pro (IDA) WinDbg Macrovision InstallShield mniej
  • Zatrudnij użytkownika DLSnead
    2.7
    1 ocena $20 USD na godzinę
    Design, development in C/C++, perl, java, android Java, android ndk jni, javascript, opengl, lua, Php, and many more, from various assembler languages, to various flavors of prolog. Decades of experience; working websites; published android apps. I specialize in rapid prototyping; text processing, text mining,...
    Design, development in C/C++, perl, java, android Java, android ndk jni, javascript, opengl, lua, Php, and many more, from various assembler languages, to various flavors of prolog. Decades of experience; working websites; published android apps. I specialize in rapid prototyping; text processing, text mining, high-performance specialized systems, servers, client-server programming, \"concept\" -based systems, web scraping, custom web bots, (focused) crawlers and spiders. mniej
  • Zatrudnij użytkownika khanhtd
    5.4
    13 ocen $25 USD na godzinę
    I’m fluent in working with Linux OS and open-source software, familiar with almost all variants of Linux distributions (especially CentOS, Debian, Fedora, Arch, Ubuntu) and software such as Apache, MySQL, Redis, Subversion, Squid, StrongSwan, Redmine, BIND, iptables, etc.) With more than 10 years in managing Windows...
    I’m fluent in working with Linux OS and open-source software, familiar with almost all variants of Linux distributions (especially CentOS, Debian, Fedora, Arch, Ubuntu) and software such as Apache, MySQL, Redis, Subversion, Squid, StrongSwan, Redmine, BIND, iptables, etc.) With more than 10 years in managing Windows network environment, beside Windows Server operating system, I'm knowledgeable in many of Microsoft technologies, e.g., Active Directory, Exchange, SharePoint, System Centers, Lync, ForeFront, MSSQL, etc. BASH and Python are the 2 languages that I can use very well in building tools and back-end programs/services. I'm also able to implement LetsEncrypt, a free solution for SSL. Its certificate request/renew could be done automatically or manually. mniej
  • Zatrudnij użytkownika shantanupython
    2.3
    4 ocen $5 USD na godzinę
    I am a professional programmer proficient in python, c,c++,JavaScript and experienced in Linux environment i specialise in: web scraping , data mining, pattern searching, Linux configuration and i sell scripts suited for your needs. I am expert in python selenium, BeautifulSoup, scrapy framework I develop...
    I am a professional programmer proficient in python, c,c++,JavaScript and experienced in Linux environment i specialise in: web scraping , data mining, pattern searching, Linux configuration and i sell scripts suited for your needs. I am expert in python selenium, BeautifulSoup, scrapy framework I develop website backends using Python specifically Django, Flask, web2py I debug Python scripts made by other developers I provide networking advice, Technical writing I provide GNS3 configurations with cisco routers Network programming in Python I provide Open Source solutions for commercial tools mniej
  • Zatrudnij użytkownika ahmedh003
    5.1
    4 ocen $120 USD na godzinę
    C++ Software Developer with experience in Algorithms and STL as well as Boost libraries. Expert Python programmer. PEP8 clean code, modules, packages, version control and GUI experience. UNIX/Linux sys admin with experience in FreeBSD, CentOS and Ubuntu. VPS and dedicated server management. Amazon Web Services...
    C++ Software Developer with experience in Algorithms and STL as well as Boost libraries. Expert Python programmer. PEP8 clean code, modules, packages, version control and GUI experience. UNIX/Linux sys admin with experience in FreeBSD, CentOS and Ubuntu. VPS and dedicated server management. Amazon Web Services expert. KiCad and Eagle PCB design, PCB fabrication and SMD soldering experience. Certified embedded systems developer with experience in ATMEL AVR, Arduino, Teensy, ARM and Raspberry Pi. Advanced web scraping infrastructures based on Python, MongoDB cluster and Linux. Experience with analog voltage and sensor measurements and strain gauges. Honest, Creative and Organized Service mniej
  • Zatrudnij użytkownika wobits
    4.9
    3 ocen $35 USD na godzinę
    Having more than 15 years experience in the area of system administration and software development for the telecommunications industry, I gathered a profound knowledge and comprehensive skills in application programming (e.g., for text processing and database access), UNIX/Linux system administration and project...
    Having more than 15 years experience in the area of system administration and software development for the telecommunications industry, I gathered a profound knowledge and comprehensive skills in application programming (e.g., for text processing and database access), UNIX/Linux system administration and project management. I have extensive expertise in Perl and shell scripting and competitive know-how in other scripting and non-scripting languages. I master database administration, programming and querying (SQL) of databases as well. I am looking forward to help You with Your tasks! *General* Software-Development System administration Project management Document generation/reviewing Configuration management (svn, Git) DB programming *Operating systems* Windows XP, 7, 10 Linux (Debian, CentOS, Ubuntu, RedHat, Slackware) UNIX (HP-UX, Solaris, DEC/Compaq, AIX) *Programming languages* Perl UNIX-Shell Java SQL HTML XML *Misc* OSS Cloud mniej
  • Zatrudnij użytkownika David08t
    2.4
    2 ocen $15 USD na godzinę
    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...
    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, MS Hyper-V, Proxmox VE, Veeam Backup and Replication, Mikrotik, Ubiquiti and some other skills. Hope for cooperation! mniej
  • Zatrudnij użytkownika Gauravsingh9828
    1.8
    1 ocena $15 USD na godzinę
    Over 5 years of experience as IT system administrator. Our skills include a deep knowledge of Redhat, WEB hosting services , Email marketing and different virtualization techniques. What services we provide:- * Different cloud services such as AWS, linode, Digital ocean, Google cloud etc. *Web hosting services:-...
    Over 5 years of experience as IT system administrator. Our skills include a deep knowledge of Redhat, WEB hosting services , Email marketing and different virtualization techniques. What services we provide:- * Different cloud services such as AWS, linode, Digital ocean, Google cloud etc. *Web hosting services:- WHm/Cpanel, CentaOs web Panel, Plesk Panel Manage all type of server like Dedicated, VPS, Shared server,Server Security Server Monitoring , Server Setup and Management, Backup Management , BackupServer Migration, SSL Installation , Interspire Email Marketer, DDOS Protection, NGINX Email Campaign Managers:- Interspire, Sendy, Oempro, sendgrid etc. mniej

Witaj , tutaj znajdziesz kilku freelancerów offline

Witaj , tutaj znajdziesz kilku freelancerów offline, którzy pasują do hasła ""