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  • Jul, Fri, 2023
Setup Multipath Disk Mapper On Linux

1. install packages multipath # yum install device-mapper-multipath 2. Enable config multipath.conf # mpathconf –enable 3. Configure multipath.conf # vi /etc/multipath.conf defaults { path_selector “round-robin 0” path_grouping_policy failover failback immediate….

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  • May, Mon, 2023
Upgrade OS Solaris

Note : minimal requirements OS upgrade 11.4 version : 11.3.23.xx. if below must upgrade to version 11.3.35 before upgrade 11.4 Mount iso mount -F hsfs /solaris11.3.iso /repofull (must fullpath) mount….

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  • Mar, Mon, 2023
Ansible DEPCRYCATED WARNING

Log Warning:   [DEPRECATION WARNING]: Distribution redhat 8.6 on host 10.23.21.35 should use /usr/libexec/platform-python, but is using /usr/bin/python for backward compatibility with prior Ansible releases. A future Ansible release will….

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  • Dec, Thu, 2022
Upgrade RHEL 7 to RHEL 8.6

Reff : https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/upgrading_from_rhel_7_to_rhel_8/index#verifying-the-post-upgrade-state-of-the-rhel-8-system_upgrading-from-rhel-7-to-rhel-8 1. Subscription Red Hat server to Satellite Red Hat a. unregister and clean subscription existing # subscription-manager unregister # subscription-manager remove –all # subscription-manager clean # yum….

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  • Nov, Wed, 2022
How To Update and Upgrade OS SOLARIS

How to Update  Solaris -Mount iso- mount -F hsfs /solaris11.3.iso /repofull mount -F hsfs /solaris11.3.35.iso /sru Note : use full path in source -Remove existing publisher- # pkg unset-publisher solaris….

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  • Nov, Wed, 2022
Update/Patch RHEL with specific release

Update/Patch RHEL with specific release # yum –releasever=6.5 update If you would like to update only the kernel # yum –releasever=6.5 update kernel yum updateinfo list available ======================================== Install security….

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