
Suljettu
Julkaistu
Maksettu toimituksen yhteydessä
I’m running Zimbra 10.x in production and need a clean version upgrade to the latest stable release published at [login to view URL] The goal is a seamless transition with no mail loss, minimal downtime, and full preservation of existing accounts, settings, calendars, and filters. Key deliverables: • Create a verified full-system backup and rollback plan • Carry out the in-place upgrade from 10.x to the release available on the link above • Resolve any dependency or schema changes, including postfix, LDAP, and nginx adjustments • Re-enable all services, test inbound / outbound mail flow, ActiveSync, and web client access • Provide a short post-upgrade report detailing steps taken, issues found, and how they were fixed SSH access and current OS details will be supplied once we agree on timing. Please be comfortable with ZCS CLI tools, rolling upgrades, and live troubleshooting, as the mail server is mission-critical.
Projektin tunnus (ID): 40311946
16 ehdotukset
Etäprojekti
Aktiivinen 21 päivää sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista
16 freelancerit tarjoavat keskimäärin $30 USD tätä projektia

Utilizing my comprehensive knowledge of Linux systems and over 15 years of experience in system administration and DevOps, I am more than ready to tackle your Zimbra 10.x Version Upgrade project. I'm well-versed in ZCS CLI tools, making me comfortable with the in-place upgrade you require with no stress. In addition, my expertise lies in network security and managing system updates which aligns perfectly with your requirement for a robust preservation of accounts, settings, calendars, and filters during the version upgrade. My proactive approach to applying security patches will ensure minimal downtime and zero mail loss. Lastly, I offer a holistic skillset that includes efficiently managing HPE's equipment which may contribute towards a seamless upgrade and post-upgrade support. I can’t wait to bring all these skills onboard and provide you with a clean Zimbra 10.x version upgrade, meeting all your requirements promptly and professionally. Let’s make this mission-critical-transition as smooth as possible!
$100 USD 1 päivässä
6,3
6,3

Hi there, I have over 10 years work experience with Linux and server management (Zimbra, MailCow, etc.) and I think I can definitely help you out. If you are already running 10.x then upgrading to latest GA (10.1.0) shouldn't be a problem. Ping me and I'll help you out. Cheers!
$50 USD 1 päivässä
6,0
6,0

Hi, I can upgrade zabbix to version 10.x. I am experienced in this job. Can help you now. Thanks Ashish A.
$50 USD 2 päivässä
6,1
6,1

** HUMAN PROPOSAL - NO BOT TEXT ** Hey, I can safely execute your Zimbra 10.x upgrade to the latest zcsplus release with zero data loss. Since you are running a mission-critical production mail server, the biggest risk during an in-place upgrade is LDAP schema corruption or Postfix routing failures, which can cause catastrophic downtime if not handled properly. My approach prioritizes a bulletproof rollback strategy. Before running any upgrade scripts, I will create a complete system state backup, ensuring we have a guaranteed and immediate restoration point. I will then execute the rolling upgrade via the ZCS CLI tools, carefully monitoring the nginx proxy configurations and LDAP database schema migrations to prevent any service degradation. Once the core is updated, I will test ActiveSync connectivity and monitor the inbound and outbound mail queues to ensure your users experience a seamless transition. Finally, I will hand over a clear post-upgrade report detailing every step taken and configuration adjusted. Since this is a sensitive operation, if I cannot complete the transition seamlessly and verify your mail flow is perfectly stable, I will restore your server and I will not charge you at all. Best, Ahmad
$30 USD 1 päivässä
5,2
5,2

Hello, I can perform a smooth and safe Zimbra 10.x upgrade with minimal downtime and zero data loss. Just a few days ago, I completed a similar upgrade to version 10.1.16 for a client with no mail loss and full service continuity. I’ll handle backups, rollback planning, dependencies, and post-upgrade validation. Strong experience with ZCS CLI, Postfix, LDAP, and Nginx. Ready to start immediately and ensure a reliable upgrade.
$30 USD 1 päivässä
3,5
3,5

As a tech enthusiast grounded in over 7 years of software development, I have honed a comprehensive skill set that makes me an ideal candidate for your Zimbra upgrade project. First and foremost, my deep knowledge of Linux coupled with my extensive experience in web and app development would be invaluable for the smooth execution of this task. Having worked across a range of languages such as PHP, Node.js, Python and more, I have developed expertise in CLI tools, rolling upgrades and live troubleshooting - all vital elements in ensuring minimal downtime and data loss. Ultimately, what sets me apart is my unwavering commitment to meeting client expectations. Your project's success would be as important to me as it is to you. From creating a verified full-system backup to delivering a detailed post-upgrade report highlighting every step taken - with me, you can rest assured that your Zimbra upgrade will be treated with utmost professionalism. Let's connect and discuss your requirements further!
$10 USD 7 päivässä
3,1
3,1

Being a seasoned IT professional with a profound understanding of Linux, I can guarantee you a smooth transition and seamless upgrade for your Zimbra server from 10.x to the latest stable release available on the link you've shared. My previous experiences in managing mission-critical systems equip me with the expertise necessary to prioritize data integrity, minimize downtime, and preserve existing accounts and settings without any loss. Additionally, my comprehensive grasp of various CLI tools and comfort working with rolling upgrades will be instrumental in resolving any dependency or schema changes that may arise during the upgrade process. Moreover, my affinity for diligent planning and structured documentation assures you of a verified full-system backup and rollback plan, as well as a concise post-upgrade report detailing all the steps taken and issues resolved along the way. Lastly, I pride myself on maintaining strong client relationships through clear communication and milestone-based collaboration. With my blend of technical competence, problem-solving proficiency, and commitment to professionalism – I'm confident that choosing me would be the ideal decision for your project's success. I look forward to discussing further and commencing our rewarding partnership.
$20 USD 7 päivässä
0,0
0,0

Hello, I understand you need a seamless upgrade of Zimbra 10.x to the latest stable release with zero mail loss and minimal downtime. The goal is to deliver a reliable, fully preserved, and fully tested mail server upgrade that meets your expectations. Here’s what I can provide: Verified full-system backup and rollback plan to ensure safety of all accounts, settings, calendars, and filters. In-place upgrade using ZCS CLI tools, resolving all dependency and schema changes including Postfix, LDAP, and Nginx adjustments. Post-upgrade testing and reporting, covering mail flow, ActiveSync, web client access, and a detailed summary of steps and fixes. I bring over 4+ years of experience in Linux system administration, Zimbra mail server upgrades, Postfix, Nginx, and troubleshooting mission-critical systems, always prioritizing zero downtime and complete data integrity. Just to clarify a few things: Are there any custom plugins or third-party integrations currently installed? Do you want a dry-run upgrade or directly on production? Please come to the chat box to discuss more about your project. Best regards, Indresh Kushwaha
$25 USD 7 päivässä
0,0
0,0

As an experienced Fullstack Developer, I am confident in my ability to successfully manage and execute your Zimbra 10.x Version Upgrade project. Having developed diverse applications for different industries such as mining, textile, chemical sales, and more, I've garnered a foundational understanding of the key challenges and potential roadblocks that may arise during an upgrade process of this scale. My experience in integrating a wide range of tools and platforms, including database management systems like MySQL and Postgres, aligns well with your project needs. Moreover, as an applicant possessing proficiency in Linux and Nginx, I am a seasoned pro at navigating the deep technicalities involved in email services. Whether it's adjusting dependency schemas or resolving any compatibility issues, I have honed the skills necessary to get your Zimbra system upgraded seamlessly. My meticulousness extends to overseeing proper data preservation through verified backups and rollout plans. Lastly, my commitment to ensuring a mission-critical server has uninterrupted services will translate to minimal downtime for your business during the upgrade process. I'm eager to draw on my vast technical know-how to provide you not just with a successful transition but with detailed post-upgrade reporting that encompasses every step taken, issues encountered, and how they were resolved. Let's collaborate for a successful upgrade project!
$20 USD 2 päivässä
0,0
0,0

Your Zimbra upgrade needs a careful backup strategy and systematic approach to avoid any mail loss during the transition. I'll create a full system snapshot, handle the in-place upgrade to the latest ZCS+ release, and manage all the postfix/LDAP/nginx dependencies that typically break during version jumps. I've built systems that require zero-downtime operations before, like my Telegram operations bot that monitors and controls multiple production servers remotely. You can see my automation work at ffulb.com. The CLI troubleshooting and service restoration part is straightforward once I assess your current setup. Can start immediately once you share SSH access and current system specs. Should have this wrapped up within 24-48 hours depending on your maintenance window preferences.
$16 USD 2 päivässä
0,0
0,0

Hi, I can safely upgrade your Zimbra 10.x production server to the latest ZCSPlus release with zero data loss and minimal downtime. I have hands-on experience working with Zimbra environments, including CLI-based upgrades, mail flow troubleshooting, LDAP/Postfix tuning, and live production fixes. What I will do: - Perform a full verified backup + rollback strategy (Zimbra + system-level) - Execute a clean in-place upgrade to the latest stable ZCSPlus version - Resolve all dependency and schema changes (Postfix, LDAP, Nginx, DB) - Re-enable and validate: Mail flow (inbound/outbound), Web client, ActiveSync / mobile sync - Perform post-upgrade checks and optimizations - Provide a clear report with all actions and fixes Safety Approach: For mission-critical systems, I follow a backup-first + rollback-ready strategy, ensuring your service can be restored quickly if needed. Downtime: Typically minimal (15–45 minutes) depending on system size Why me: - Strong Linux + mail server experience - Comfortable with live troubleshooting under pressure - Clean, structured execution with no guesswork I’m ready to start as soon as SSH access is provided. Let me know a suitable time window for the upgrade. Best regards,
$20 USD 1 päivässä
0,0
0,0

Hello! I’m an experienced Full-Stack Developer and System Administrator with strong Linux, Postfix, and Nginx expertise, and I can ensure a seamless Zimbra upgrade. I understand you need to upgrade your production Zimbra 10.x to the latest stable release without mail loss or downtime, while preserving all accounts, settings, calendars, and filters. Your priority is a clean, verified process with full rollback capability, ensuring all services—mail flow, ActiveSync, and web client access—function correctly post-upgrade. Maintaining system stability and service continuity during the upgrade is critical, as this is a mission-critical mail server. My approach will start with creating a complete, verified system backup and a tested rollback plan. I’ll then perform the in-place upgrade, resolving any dependency or schema changes including Postfix, LDAP, and Nginx configurations. All services will be re-enabled and thoroughly tested to confirm inbound/outbound mail flow, ActiveSync, and web client functionality. Finally, I’ll provide a concise post-upgrade report documenting the steps taken, issues resolved, and recommendations for ongoing stability. I’m ready to deliver a smooth, reliable Zimbra upgrade with minimal downtime and full system integrity.
$20 USD 7 päivässä
0,0
0,0

With over 5 years of experience in Zimbra, I can safely upgrade your ZCS version, ensuring no data loss and minimal downtime
$30 USD 7 päivässä
0,0
0,0

Warszawa, Poland
Maksutapa vahvistettu
Liittynyt huhtik. 9, 2016
$30-90 USD
$30-250 USD
$30-180 USD
$10-30 USD
$30-250 USD
$2-8 USD/ tunnissa
$250-750 USD
€30-250 EUR
$30-250 AUD
$15-25 USD/ tunnissa
$1500-3000 USD
$30-250 USD
₹12500-37500 INR
$30-250 USD
$30-250 USD
₹12500-37500 INR
$30-50 USD
€12-18 EUR/ tunnissa
₹600-1500 INR
$15-25 USD/ tunnissa
$2-8 USD/ tunnissa
£750-1500 GBP
$40 USD
$250-750 USD
€30-250 EUR