moving_from_rhel_to_centos_or_oracle_linux
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moving_from_rhel_to_centos_or_oracle_linux [2020/05/27 17:04] – sgriggs | moving_from_rhel_to_centos_or_oracle_linux [2020/05/27 17:16] – sgriggs | ||
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==== Disclaimer ==== | ==== Disclaimer ==== | ||
- | This article should be considered an opinionated editorial rather than any type of unbiased review. As a potential Red Hat deserter, it'll give you a lot of useful info. However, It's not supposed to be an impartial product review. The author' | + | This article should be considered an opinionated editorial rather than any type of unbiased review. As a potential Red Hat refugee, it'll give you a lot of useful info. However, It's not supposed to be an impartial product review |
==== Moving from Redhat Enterprise Linux (RHEL) to CentOS or Oracle Enterprise Linux ==== | ==== Moving from Redhat Enterprise Linux (RHEL) to CentOS or Oracle Enterprise Linux ==== | ||
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- Red Hat sales people have been known to act in ways customers can feel is too aggressive. | - Red Hat sales people have been known to act in ways customers can feel is too aggressive. | ||
- Some consider Red Hat training practices to be overly monotized. For example, it appears very likely that they make up their RHCE and RHCSA tests with " | - Some consider Red Hat training practices to be overly monotized. For example, it appears very likely that they make up their RHCE and RHCSA tests with " | ||
- | - Red Hat has been bought by IBM who appears | + | - Red Hat has been bought by IBM who some suspect |
- Much criticism has been directed at Red Hat for making poor technical choices. Example: they eschewed XFS and badmouthed XFS for years refusing to support it, then started using it as the **default** in RHEL7 enigmatically. Now they applaud it. | - Much criticism has been directed at Red Hat for making poor technical choices. Example: they eschewed XFS and badmouthed XFS for years refusing to support it, then started using it as the **default** in RHEL7 enigmatically. Now they applaud it. | ||
- | - RHEL follows Fedora and thus any bad decisions in Fedora (and most sysadmins would never choose a desktop distro like Fedora that has a long history of controversial decisions) filter into RHEL eventually. Fedora are the folks who pushed first on " | + | - RHEL follows Fedora and thus any bad decisions in Fedora (and most sysadmins would never choose a desktop distro like Fedora that has a long history of controversial decisions) filter into RHEL eventually. Fedora are the folks who pushed first on " |
- | - Red Hat isn't excited about BTRFS because the main developer works at Oracle. This could lead to more stagnation with Red Hat's already stagnant choices for filesystems. It's missing inline compression and deduplication without either BTRFS, ZFS-on-Linux, | + | - Red Hat isn't excited about BTRFS because the main developer works at Oracle. This could lead to more stagnation with Red Hat's already stagnant choices for filesystems. It's missing inline compression and deduplication without either BTRFS, ZFS-on-Linux, |
These are the reasons folks usually migrate when they are facing internal struggles. | These are the reasons folks usually migrate when they are facing internal struggles. | ||
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- It becomes too expensive to keep dev/ | - It becomes too expensive to keep dev/ | ||
- The sysadmin gets tired of being cut off from OS packages and patches every time entitlements expire. | - The sysadmin gets tired of being cut off from OS packages and patches every time entitlements expire. | ||
- | - Sysadmin frustration with the licensing portal or "Red Hat Satellite" | + | - Sysadmin frustration with the licensing portal or "Red Hat Satellite" |
- | - The management gets tired of some of Red Hat' | + | - The management gets tired of some of Red Hat's salespeople |
- The customer needs clustering, ksplice, storage or OS virtualization, | - The customer needs clustering, ksplice, storage or OS virtualization, | ||
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The main way to decide on a migration target is to consider the reason why you want to ditch Red Hat. If you plan to keep Red Hat's tools and structure but you are just tired of paying so much, then [[https:// | The main way to decide on a migration target is to consider the reason why you want to ditch Red Hat. If you plan to keep Red Hat's tools and structure but you are just tired of paying so much, then [[https:// | ||
- | If you are completely tired of Red Hat (and as an RHCE I totally understand) and want to run away screaming | + | If you are completely tired of Red Hat (and as an RHCE I totally understand) and want to switch |
Check out the features below which are the ones our customers cite the most as being in play when considering a Red Hat migration. | Check out the features below which are the ones our customers cite the most as being in play when considering a Red Hat migration. | ||
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- You are tired of every system needing a subscription even to have basic package functionality. **Solution: | - You are tired of every system needing a subscription even to have basic package functionality. **Solution: | ||
- | - You want a way to escape from Redhat without doing a huge dump-and-load migration on every box. **Solution: | + | - You want a way to escape from Redhat without doing a huge dump-and-load migration on every box. **Solution: |
- You want better choices for advanced filesystems. Solution: Move to Debian, Devuan, Ubuntu Server, or FreeBSD and use either ZFS-on-Linux (or native ZFS in FreeBSD) or migrate to BTRFS when it stabilizes. Also, see if you might be able to get a specific feature by combining [[https:// | - You want better choices for advanced filesystems. Solution: Move to Debian, Devuan, Ubuntu Server, or FreeBSD and use either ZFS-on-Linux (or native ZFS in FreeBSD) or migrate to BTRFS when it stabilizes. Also, see if you might be able to get a specific feature by combining [[https:// | ||
- You want to move to a distro with a stable upgrade path. **Solution: | - You want to move to a distro with a stable upgrade path. **Solution: | ||
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- Access to advanced storage technology Red Hat doesn' | - Access to advanced storage technology Red Hat doesn' | ||
- | Personally, I'd also include "the satisfaction of telling your ultra-rude & aggressive salesperson that you no longer even run Redhat and please stop calling and threatening to audit or otherwise hassle you." In my personal case, I had around 600 RHEL machines convert to Oracle Enterprise Linux and Red Hat's only response was to threaten to do a forced software audit. Since we'd completely migrated every machine, it would have been a very short audit (as in "Would you like a cup of coffee before you go?", but they never actually did it (probably because they knew they had no leg to stand on). | + | Personally, I'd also include "the satisfaction of telling your rude & aggressive salesperson that you no longer even run Redhat and please stop calling and threatening to audit or otherwise hassle you." In my personal case, I had around 600 RHEL machines convert to Oracle Enterprise Linux and Red Hat's only response was to threaten to do a forced software audit. Since we'd completely migrated every machine, it would have been a very short audit (as in "Would you like a cup of coffee before you go?", but they never actually did it (probably because they knew they had no leg to stand on and we used the easy OEL migration to make it happen quickly). |
moving_from_rhel_to_centos_or_oracle_linux.txt · Last modified: 2020/06/03 16:55 by sgriggs