How to boot RHEL 7 and CentOS 7 into Rescue Mode

<div dir="ltr" style="text-align: left;" trbidi="on"> <h3 style="text-align: left;"> <a href="https://1.bp.blogspot.com/-RRqY_Opa1ro/XXCZxZNrpfI/AAAAAAAADaA/X5PyEX07sXoG-srtuv0A3h-3QI99_0C-wCPcBGAYYCw/s1600/RHEL%2B7.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" data-original-height="182" data-original-width="266" height="136" src="https://1.bp.blogspot.com/-RRqY_Opa1ro/XXCZxZNrpfI/AAAAAAAADaA/X5PyEX07sXoG-srtuv0A3h-3QI99_0C-wCPcBGAYYCw/s200/RHEL%2B7.png" width="200" /></a><span style="font-family: Arial, Helvetica, sans-serif;">Booting RHEL 7 and CentOS 7 into Rescue Mode </span></h3> <div style="text-align: left;"> <span style="font-family: Arial, Helvetica, sans-serif;"><span style="color: blue;"><b>Step 1</b> </span>– At the Grub2 boot menu type e to edit the grub config. <br /><br />Note: Depending on you environment you may have to type p first and enter a grub password before having the permissions to edit the grub config. <br /><br /><b><span style="color: blue;">Step 2</span> </b>– Locate the first line that beings with linux16. Use the END Key or the arrow keys to go to the end of that line. I my example the end of the line is right after LANG=en_US.UTF-8.<br /><br />linux16 /vmlinuz-3.10.0-693.2.2.el7.x86_64 root=/dev/mapper/sysvg-root ro crashkernel=auto rd.lvm.lv=sysvg/root rd.lvm.lv=sysvg/swap rhgb quiet LANG=en_US.UTF-8<br /><br /><span style="color: blue;"><b>Step 3</b> </span>– At the end of the line append systemd.unit=rescue.target. the entry should resemble the line below.<br /><br />linux16 /vmlinuz-3.10.0-693.2.2.el7.x86_64 root=/dev/mapper/sysvg-root ro crashkernel=auto rd.lvm.lv=sysvg/root rd.lvm.lv=sysvg/swap rhgb quiet LANG=en_US.UTF-8 systemd.unit=rescue.target<br /><br /><span style="color: blue;"><b>Step 4</b></span> – After you have entered <b>systemd.unit=rescue.target</b> press CRTL+X to boot your system into rescue mode.</span></div> <h4 style="text-align: left;"> <span style="font-family: Arial, Helvetica, sans-serif;">By this simple process you can boot RHEL 7 and CentOS 7 in Rescue Mode </span></h4> </div>

How to boot RHEL 7 and CentOS 7 into Rescue Mode

Booting RHEL 7 and CentOS 7 into Rescue Mode Step 1 – At the Grub2 boot menu type e to edit the grub config. Note: Depending on you env...

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