centos_7_migration_notes
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centos_7_migration_notes [2022/05/18 13:31] – juckins | centos_7_migration_notes [2023/10/23 09:01] – juckins | ||
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RHEL5/6/7 Cheatsheet: {{: | RHEL5/6/7 Cheatsheet: {{: | ||
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+ | 23 oct 2023: | ||
+ | * Updated kernel from kernel-3.10.0-1160.99.1.el7.x86_64 to kernel-3.10.0-1160.102.1.el7.x86_64 and then machine would not boot, just blank screen with blinking cursor in upper-left corner | ||
+ | * Powered off machine, unplugged the USB peripheral cables | ||
+ | * Unplugged power cable for 30 seconds | ||
+ | * Rebooted and used F12 to go into BIOS Boot Options | ||
+ | * Tried to boot to Hard Drive but that immediately failed with error 'press any key to reboot' | ||
+ | * After that, the machine booted up OK and the normal selection of kernels appeared | ||
Other fixes: | Other fixes: | ||
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* See https:// | * See https:// | ||
* Also check python3 coding best practices for opening/ | * Also check python3 coding best practices for opening/ | ||
+ | * I have noted that opening and closing the database connection only once in the python script helps reduce database " | ||
* [[https:// | * [[https:// | ||
* import MySQLdb | * import MySQLdb |
centos_7_migration_notes.txt · Last modified: 2023/12/14 10:10 by juckins