Rhel Jobs

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Fixed Price Budget - Expert ($$$) - $50 to $250 - Posted
Hi I am working on a project developing a model of a Linux operating system using the pwnPr3d language. The model should contain all important parts of the chosen Linux distribution, including core applications, services and daemons, the network stack, the access control system, standard users (root, guest, etc.), file system, important data (password files, for instance), etc. There are probably other important parts of the system that I did not think of right now, but that needs to be identified as a part of this project. The model should be able to accurately predict whether a given Linux installation is susceptible to, at least, the following set of attacks: ARP spoofing Password brute forcing Encryption brute forcing Buffer overflows Privilege escalation Sandbox escape Man in the browser Remote Access Trojan Ransomware Other critical attacks that you realize (or should realize) during the project are more important than the above Expected outcome is in the form of a complete detailed report on a provided template. Please get back to me if you have further questions.
Skills: Red Hat Enterprise Linux (RHEL) Linux System Administration
Fixed Price Budget - Expert ($$$) - $1,000 to $2,500 - Posted
Hello,. I have been sending email marketing for over 5 years. My company sends can spam compliant bulk marketing email. We follow the 3 simple rules to be spam can complainant. We put a notice that our email marketing is an advertisement, we list our company address and we also have a function opt out. We use sendy as our api and use our dedicated server to send mail. The last year I have been battling with Spam Haus. Every time we do a new mailing we instantly end up on their black list with causes our sender score to go way down. Spam Haus is recognized as one of the of the most used and reputable spam stopping appliance, they have labeled us as a now show spanner. We only send from one primary mail server, with 1 IP address and 1 domain. We have domain this for the last few years. We are a 10000% legit company that sells hotel rooms, we market to over 150 shows per year and we have 750,000 emails in our database. We are honest and have an A rating with the better business bureau. Any typical month we send out 250,000 emails. We handle all our potential bounces by verifying our email addresses each month through both DNS and smtp verification. We have been kicked of amazon SES mail service not because our bounce rate or our spam complaint was high, its just because some one has it out for us. The worst part is we dont know who and why. We honor all our opt outs and we have a feeling it could be our competition trying to sabotage us. JOB DETAILS: I am looking to hire an EXPERT and only an EXPERT in email deliverablity and email marketing. Your job will be to help us understand how other companies that are ESP's like send grid, amazon ses and mandrill work. We want to set up a system similar to those huge companies that send billions of email messages a month , I asume that they rotate IP'S, rotates domains. This that way we can stay off off blacklists by spreading our mail over thousands of IP addresses. We want to do everything legally and and not give any false information in our email headers. We feel that there must be a way to beat spamhaus and send email with out getting black listed each and every time. Please help, tell us the secret! AMATEURS NEED NOT APPLY!! You must have experience in setting up these networks and you must have experience in email delivery. Our company is based in South Carolina USA and we do not have any state laws regarding commercial bulk emailing, Here is the definition of a snow shoe spammer A sender of Unsolicited Bulk E-mail (UBE), or "spam". A person who either knowingly or unknowingly sends UBE is termed a "spam sender", the short form of which is "spammer". Also a person who engages in the business of spam, supplying software, hosting, or other materials to enable spamming. Traditionally it means any person who sends, pays or arranges for someone else to send, or assists someone else to send spam, or otherwise directly or indirectly benefits from spam. Snowshoe Spamming Like a snowshoe spreads the load of a traveler across a wide area of snow, snowshoe spamming is a technique used by spammers to spread spam output across many IPs and domains, in order to dilute reputation metrics and evade filters. Snowshoers use many fictitious business names (DBA - Doing Business As), fake names and identities, and frequently changing postal dropboxes and voicemail drops. Conversely, legitimate mailers try hard to build brand reputation based on a real business address, a known domain and a small, permanent, well-identified range of sending IPs. Snowshoers often use anonymized or unidentifiable whois records, whereas legitimate senders are proud to provide their bona fide identity. Some showshoers use tunneled connections from their back-end spam cannon to the spam egress IP. The back-end IP address is not in the spam headers. ISPs, you are in a position to detect those back-end spam cannons by checking where traffic flows are coming from. Remember, the tunneled connection is not necessarily on port 25. Spamhaus always appreciates such information. Here is the definition for CAN SPAM compliance: Accurate "From" lines (including "friendly froms") Relevant subject lines (relative to offer in body content and not deceptive) A legitimate physical address of the publisher and/or advertiser is present. PO Box addresses are acceptable in compliance with 16 C.F.R. 316.2(p) and if the email is sent by a third party, the legitimate physical address of the entity, whose products or services are promoted through the email should be visible. A label is present if the content is adult.
Skills: Red Hat Enterprise Linux (RHEL) Antispam and Antivirus Email Deliverability Email Etiquette
Fixed-Price - Expert ($$$) - Est. Budget: $10,000 - Posted
We are looking for someone or a team to create a site similar to jooraccess (.com) including the related apps for tablet and mobile. You will be an experienced developer (or team) and will have done similar projects before. There are modifications required which we can discuss. Please only apply if you have the required skills and good english.
  • Number of freelancers needed: 2
Skills: Red Hat Enterprise Linux (RHEL) SQL
Fixed-Price - Intermediate ($$) - Est. Budget: $1,800 - Posted
Hello, in order to meet current demand, We are looking to source as a proof of concept a Linux box that has the following characteristics: -Is all or mostly all open source on common platform -is built and can be replicated /cloned with puppet or similar scripting process -can all be run from one server instance OR has a lead node and slaves under it. Basically the goal of this POC is the following: -build out a system that allows persons looking to anonymize their web traffic at low / no cost. Initially the offering may be free for a basic (throttled per user UL / DL) account whereby they can set up either on their router or PC the VPN endpoint details and get connected. -This throttled endpoint will offer the user a private experience whereby they can download upload and otherwise transact with the security of VPN offering them secrecy. With time, the solution may turn into a pay per use solution (eg. $5.00 / mth). a conversion tracking system whereby resellers get their commission will be tracked and they can get their payout with this system. Additional to the above, a SQUIDproxy system will be the egress for the VPN Traffic (all vpn terminated traffic heading out on the web will pass through squid). This squid proxy will have the ability to replace advertisments that the VPN clients are viewing, and they will allow us to monetize this traffic. An interface to major ad publisher networks will be something to be discussed; initially this can be done manually with hits and clicks recorded so we may monitor the payouts etc. That is it. It is important that you realize this is a proof of concept, and once the bidder is set, we can look to you or internally here to host the VM to get the system running. Modularity is as well key, as eventually we can imagine multiple VPN termination server swill be needed, so load sharing / similar spreading of work out accomadations will be needed.. thank you LASTLY: Please refrain from correspondence that does not indicate you have read and are able to do this work specifically with references to it. Blind marketing blasts do not go over well. We do enjoy pointed discussion and examples of past work you have done that offers some related experience. This is a fixed price project, so even if you 'only put hourly for reason X, be sure you as well put the entire project set price including reasonable (3 weeks ) support after delivery go-live.
Skills: Red Hat Enterprise Linux (RHEL) Linux System Administration Pay Per Click Advertising Squid
Fixed-Price - Entry Level ($) - Est. Budget: $10 - Posted
o Installed and configured various services like DNS, DHCP, NFS, Apache Web Server, Samba and SSH. o Managed and installed patches and software packages using YUM and RPM and creating YUM repository files for offline servers. o Writing scripts for cronjob entries, which included maintaining various log files. o Disk management and implementation of RAID levels using parted and mdadm. (RAID 0, 1 , 5 , 6, 10) o Setup and Management of LVM. o Back up (and Restore) LVM partitions with LVM snapshots o Setup and Management of NIS, NFS and DNS o Setup, configured, and debugged network configurations for RedHat servers and workstations. o Configured bonded network interface cards for active failover. o Provided day to day support to IT applications and users group. o Troubleshooting of Linux and Unix Operating Systems o Troubleshooting System and Network related issues o Setup of NFS and Samba file sharing services on Linux and Windows environments o Planned and executed packages and updates installations necessary for optimal system performance. o Veritas Storage Server– VxVM, VxFS,RAID,Resizing Volume,Deport/Import DG,Snapshot. o Veritas Cluster Server
Skills: Red Hat Enterprise Linux (RHEL) Apache administration Network Administration Windows Administration
Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Taks/responsibilities Implementation, upgrade and maintain Red Hat Data Center and Cloud products Good/excellent knowledge of RHEL, RHEV, Satellite, Gluster and Ceph, CloudForms, OpenStack and/or OpenShift Solve incidents, execute changes, third line support Monitor and improve high availability and continuity of the maintained systems Develop, monitor, analyse and improve technical infrastructure and processes Risk and impact analyses of changes and service levels Take part in projects, create infrastructure designs Assist customers with improving their IT Minimal level of experience RHCE certified or willing to achieve certification on short term minimum 5 years of working experience with Linux system engineering Preferably experienced in scripting and/or programming, Bash, Java, C, etc Good knowledge of virtualization: KVM, VMWare, Xen Good knowledge of ITIL, Srum/Agile, DevOps Knowledge of Nagios, Puppet, Ansible and/or Spacewalk
Skills: Red Hat Enterprise Linux (RHEL) Bash shell scripting C Java
Fixed Price Budget - Expert ($$$) - $500 to $1,000 - Posted
Our organization planning to enter into hosting business. - We already have few beta customers hosted in our infrastructure. - Our current infra is as under: - 4 server with the following config: - Dell 710(72GB RAM, 10 TB storage): 02 servers - Dell 1950 (16GB RAM, 2 TB storage): 02 servers - 4 IPv4/24 subnets from APNIC - 1 IPv6/48 subnet from APNIC - The four servers are running Debian and use KVM and OpenVz (LXC) for full as well as container virtualization. - Currently all the sites and virtual servers and containers are consolidated on one of the Dell-710 servers and the other three are free for new cloud implementation. - The Dell-710 server currently in production, is also running Quagga, a BGP daemon, and peers with our ISP's router for routing of Kavach's subnets to/from internet. The plan is to implement a scalable cloud architecture, initially on the available 3 server, migrate all containers and virtual server on the 4th server to this new platform and then migrate the 4th server also as a part of this new infra. - We should subsequently be able to add additional servers seamlessly as and when demand increases. - We should also be able to scale to horizontally and integrate with other public cloud providers like Rackspace, Amazon etc with hybrid cloud implementation. - Should be able to offer a portal to existing as well as prospective customers which should have the following (most important): - Store front with the Option for Self flexible configurable servers and auto provisioning - Automated billing - Control panel like cPanel - Option to sell domains from our portal by integration the reseller API of GoDaddy or similar registrar.
Skills: Red Hat Enterprise Linux (RHEL) Amazon Web Services OpenStack Private Clouds