I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery
Bash Job Cost Overview
Typical total cost of oDesk Bash projects based on completed and fixed-price jobs.
oDesk Bash Jobs Completed Quarterly
On average, 26 Bash projects are completed every quarter on oDesk.
Time to Complete oDesk Bash Jobs
Time needed to complete a Bash project on oDesk.
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Bash oDesk freelancers typically receive a client rating of 4.65.
Oscar Bass Agency Contractor
Expert UNIX system administrator and network engineer. Got a problem? I can solve it! For more than 15 years I have been the I.T. backbone and support for many online companies. I use the most up to date standards for any project I am involved in. I work extremely quick and efficiently. If you have a problem let me help you solve it. OS: Linux - Expert, FreeBSD - Expert, AIX - Expert, HP-UX - Expert, Macintosh OS/X - Expert, Windows Server - Proficient Cloud services: AWS, Rackspace, OpSource, Linode Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Monit, Munin, Cacti Scripting: bash, perl, shell Virtualization: OpenVZ, Xen, SolusVM Mail servers: Postfix, Exim, Sendmail, Dovecot Control panels: cPanel, Plesk, Direct Admin, Webmin/Virtualmin, ISPconfig, OpenPanel Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, backups, monitoring etc), firewalls (iptables, ipfw, pf)
Nitin S. Agency Contractor
Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients and their team is always my priority. I have been working with all the major providers: Rackspace, Amazon, Softlayer, Godaddy, Hostgator, Bluehost, Linode, DreamHost, Mediatemple, Lunarpages. Expertise in Linux Administration is as follows (but not limted to) Server Distributions: RedHat, Centos, Fedora, Debian, Ubuntu, Gentoo, Suse, Mandriva, Opensuse, Knoppix, Slackware. Web servers: Apache, Lighttpd, Nginx, Tomcat File servers: Proftpd, Pureftpd, Vsftpd, Sftpd, TFTP, NFS, Samba DNS servers: Bind9, MyDNS, NSD Mail servers: Postfix(TLS,SASL), Exim, Sendmail, Qmail, Dovecot, Courier. Logging services: Syslog, Rsyslog, Syslog-ng Proxy servers: Squid(forward and reverse proxy), nginx, pound, lighttpd. Firewalls: Iptable scripts and Advance Policies Firewall with bruteforce detection. Firewall configuration: NAT, IP Masquerade Jabber servers: Openfire, Ejabberd, Djabberd Database servers: MySQL, Postgresql Backup: Bacula, bash scripts. VPN: PPTP Virtualisation: Openvz/Virtuozzo, Xen, Qemu, KVM, VMware Server, Parallels Workstation, Virtualbox headless, HyperVM. Monitoring: Nagios, munin, zabbix, zenoss Automation: Puppet(fan), custom bash scripts. Revision control: Git(fan), Subversion Package management: yum, rpm, dpkg, aptitude, apt-get, emerge Security: Nessus, John The Ripper, Tiger, PGP, GPG, nmap, Openvas, Snort, Ettercap, arpwatch, SSH, SSL, TLS, TCP Wrappers, Ethereal, dsniff, tcpdump, portsentry, rkhunter, chkrootkit, clamav, SPF, Spamassassin, domain keys. Cloud computing: Amazon (EC2, EBS, S3, CloudWatch), Rackspace services. Assessment tools: sar, vmstat, iostat, mpstat, netstat, iptraf, iftop, lsof, ntop, serverstats Misc services: NTP, Cups, DHCP, Dnsmasq
My 9 years of experience in Linux Server Administration and Deployment, and 15 years of experience as Linux User, should be of interest to a rapidly growing company like yours. I've been working for the past 9 years building all kind of servers: from SOHO file servers to large mail deployments in HA/Virtualized/Cloud environments.
Over the last 10 years, I have been working as technical support engineer/team leader/infrastructure architect for the different companies with on-premise/cloud hosting. My competency lies in planning, development, deployment and setup of the environments from scratch, troubleshooting/support/improvement of existing production systems based on Linux/Unix with the focus on automation and high availability. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques. Operating systems: Debian/Ubuntu, Redhat(Fedora, RHEL, Centos), Suse, AmazonLinux Level of skill with Unix/Linux: RHCE MailServers: qmail, postfix, sendmail etc Databases: Postgresql, Oracle, Mysql, noSQL databases (Mongodb, Cassandra, Couchbase, Redis etc) Clustering: RHCS, terracotta, heartbeat, pacemaker, distributed balanced setups Programming, scripting languages: Bash, PL/SQL, Ruby Clouds: AWS/Tata/RackSpace/CloudStack/Openstack/Azure Automation: Chef/Puppet, RightScale, AWS Opsworks,CloudFormation etc Continuous integration/deployment: Docker, Atlassian tools, Jenkins, SVN/Git, Codebase etc. Loadbalancers/proxies: Clouds LBs, Haproxy, mod_jk, Squid, Apache, Nginx Application servers: tomcat, jetty, jboss, Apache, Nginx, different PHP-based servers Monitoring: Nagios, Zabbix, Newrelic, OMD etc English: fluent Availability: up to 30hrs/week
LINUX BASED SYSTEMS ADMINISTRATION -------------------------------------------------------------- ● System programming using Bash for process automation and integration of different autonomous systems. ● Systems Monitoring using Nagios with PNP4Nagios. Indepth understanding of network monitoring tools like Syslog, SNMP, SSH etc. ● Systems Networking management of IP address space using the domain name system, troubleshooting network related issues, including TCP/IP protocol layer debugging using different packet filtering tools like wireshark, tcpdump etc. ● System Security, shielding of systems from security threats using firewalls like APF and Native iptables based scripts, Smoothwall, IPCop, ● Endian, Cisco ASA 5520, PFSense and other free available open source Linux based gateways. ● System Load Balancing, Using LVS to load balance Apache and Mysql Servers, DRBD and Heartbeat for NFS and other Load Balancers. ● Linux/Apache/Mysql/PHP, Management, Troubleshooting and monitoring using Nagios. ● Advanced MySql administration, with replication, load balancing and clustering. ● Mail, DNS and VPN servers using Exim, PostFix, PowerMTA(port25.com), Bind and OpenVPN respectively. ● Revision history and Patch management using SVN with Trac., git ● Hands on experience on various linux distributions like RHEL, CentOS, Debian, Ubuntu, LinuxMint etc. ● File Systems like FAT32, NTFS, NFS, GFS, XFS, Ext2, Ext3, Ext4 etc. ● Desktop virtualization using Virtualbox and Vmware. ● Hypervisor Based Virtualization using Xen, KVM, Esxi(VMWare). Docker containers, Amazon cloud, Percona Xtradb Cluster Email Deliverability, Email Intelligence and Ant-Spam Specialist. ----------------------------------------------------------------------------- - Requirements analysis - IPs registration - IPs monitoring (blacklisting/Whitlisting) - DNS/Reverse records settings - SPF - DKIM - FBL - PowerMTA Configuration - Daily Performance reports - Daily Bounce processing - Advance Configuration and optimization. - Warm up IPs. - Global ISP configurations. - Email System audit. - CAN-SPAM Act education to clients. - Basic / Intermediate / Advance training about Email designing, Email writing and how to achieve higher and long term consistent results. - Email headers audit. - Planning of new email system with your client's company development team. I have worked and currently managing some of the medium size ESP like TotalSend.com.
I would like to offer my skills as Red Hat Certified (RHCSA) Linux System Administrator. Over the last few years year I've been working as a Level3 Support Representative dealing with Linux and Windows based dedicated servers and Virtual machines, which includes troubleshooting hardware and software issues, management of virtualization software (Xen, Onapp, SolusVM)
* Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.
Hello I have experience in the development of wide range server systems and web applications. I work in the largest IT company in my country for about 7 years as a network engineer and web architect. I have advanced knowledge of construction and administration of server systems, networks, databases, web architecture and service monitoring and support.
I am an experienced System Administrator with a wide range of skills, including Linux servers administration, LAMP stack setup, OpenVZ and KVM virtualization, configuring services, working with version control systems and writing system maintenance scripts. I have a hands-on experience with Linux, including Ubuntu, CentOS, Red Hat, Gentoo and Debian distributions. I am able to code in OCaml, C, C++, Ruby (including Ruby on Rails), Bash/Zsh and read Java, Python, Haskell, Perl and Common Lisp programs. My most important virtues are: extreme responsibility, easy communication and attention to details.