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linux:redhat_resetpasswd [2021/01/01 21:25] 127.0.0.1 external edit |
linux:redhat_resetpasswd [2023/06/29 10:22] (current) manu |
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- | ====== Reset root password on Redhat/CentOS 7 ====== | + | ====== Reset root password on Redhat/CentOS ====== |
===== Solution 1 ===== | ===== Solution 1 ===== | ||
- | Instead of starting with a kernel defined on the list, press "c" for command | + | Instead of starting with a kernel defined on the list, press **c** for command or **e** for edit the current line |
- | add at the end of the line of default kernel: rd.break | + | |
+ | add at the end of the line of default kernel: **rd.break** | ||
Ex: | Ex: | ||
linux /boot/vmlinuz-3.16.7-21-default root=UUID=b5f92fce-af22-474c-9996-c66c087e2ea7 ${extra_cmdline} quiet resume=/dev/system/swap splash=silent quiet showopts psmouse.proto=imps rd.break | linux /boot/vmlinuz-3.16.7-21-default root=UUID=b5f92fce-af22-474c-9996-c66c087e2ea7 ${extra_cmdline} quiet resume=/dev/system/swap splash=silent quiet showopts psmouse.proto=imps rd.break | ||
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</cli> | </cli> | ||
- | Sometimes it is necessary to relabel the complete filesystem although this should only be necessary when enabling SELinux after it has been disabled or when changing the SELinux policy from the default targeted policy to strict. To automatically relabel the complete filesystem upon reboot, do: | + | Sometimes it is necessary to relabel the complete filesystem although this should only be necessary when enabling **SELinux** after it has been disabled or when changing the SELinux policy from the default targeted policy to strict. To automatically relabel the complete filesystem upon reboot, do: |
<cli prompt='#'> | <cli prompt='#'> | ||
# touch /.autorelabel | # touch /.autorelabel |