What can I (not) shred from root while it is mounted?
I am performing a test migration from old server to new one. Part of the procedure involves cleaning up the old server of any traces of passwords, php scripts and custom configurations while remotely...
View ArticleDebian: Can I remount / read-only in single user mode?
I’d like to use fsarchiver in the safest way possible but have no live medium for booting from. I vaguely remember having read something like this though: Is it possible to remount / readonly when in...
View ArticleAt Backup, when would the filesystems inode numbers matter?
background: Being somewhat of a coward I have up to now dd whole filesystems for backup. Major drawback has become the excessive use of memory for those complete backups (which unfortunatelly also...
View ArticleAccidentally removed execute permission from root directory.
I accidentally did chmod 770 / which removed all access to the system. I booted to rescue mode, dropped to root shell and tried to chmod 755 /, but I get message changing permissions of /: read-only...
View ArticleFault-tolerant iSCSI root fs for Linux
I am in the process of moving some Linux servers onto a virtualized environment with their filesystems mounted from LVM volumes, which are in turn hosted on a remote NAS via iSCSI. I am able to start...
View ArticleI've moved my root directory accidentally to a folder, can't figure out how...
I’ve moved my root directory into a website folder in /var/www. Have rebooted my server and am now in a Busybox rescue environment where I have found my root files in the website folder that I tried to...
View ArticleCreate mount points automatically in /mnt, even though / is read-only
I have a requirement of changing my root partition to Readonly. After changing / to readonly in /etc/fstab, I rebooted the system. Mount points of USB devices is /mnt. But after above changes USB...
View ArticleLoad root partition on embedded linux system
I’m using a zynq-7000 SoC, running a custom petalinux build, which is on an SD card. The boot partition contains a boot.bin (the bootloaders etc) and an image (containing the kernel). The root...
View Articlecan't boot fedora live medium on my strange tablet
I can get it booting and can see the filling splash. However, my usb drive is attached through the tablet’s OTG port which needs DWC3_XHCI to be on, which most kernels don’t. Can I re-compile the...
View ArticleEffects of mounting / (filesystem root) with nodev option
I’m wondering about the effects of setting the nodev option for / mount in /etc/fstab. As I understand it, nodev prevents the interpretation of special nodes, so you can prevent rogue users or...
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