diff options
Diffstat (limited to 'core/reboot.html')
| -rw-r--r-- | core/reboot.html | 97 |
1 files changed, 47 insertions, 50 deletions
diff --git a/core/reboot.html b/core/reboot.html index b1ff71b..aa45a0f 100644 --- a/core/reboot.html +++ b/core/reboot.html @@ -31,51 +31,27 @@ /bin/bash --login </pre> - <h2 id="linux">1.4.1. Linux Kernel</h2> - - <p>Install kernel with default crux configuration using pkgutils;</p> - - <pre> - # cd /usr/ports/c9-ports/linux-crux - # pkgmk -d - # pkgadd /usr/ports/packages/linux-crux#4.1.30-1.pkg.tar.gz - </pre> - - <h2 id="dracut">1.4.2. Dracut - Initramfs</h2> - - <p>Install dracut;</p> + <h2 id="linux">1.4.1. Port kernel</h2> + + <p>Core ports have two + <a href="linux.html">linux kernels</a>, + <a href="ports/linux-libre">linux-libre</a> and + <a href="ports/linux-blob">linux-blob</a>. + Port linux-libre kernel is a true source based kernel that + respects your freedoms, is x86_64 but not generic configured, + select modules (drivers) for your hardware, for example + correct graphic driver and disk. Port linux-blob is dangerous, + contain blobs (from bad corporations).</p> + + <p>Both ports apply grsecurity patch and are configured in + a way that break building some packages and have performance + impact in building process. Solution is to have several kernels, + production, testing, debug with one of them without grsecurity.</p> <pre> - # cd /usr/ports/c9-ports/dracut + # cd /usr/ports/c9-ports/linux-libre # pkgmk -d - # pkgadd /usr/ports/packages/dracut#044-2.pkg.tar.gz - </pre> - - <p>Review configuration file;</p> - - <pre> - # PUT YOUR CONFIG IN separate files - # in /etc/dracut.conf.d named "<name>.conf" - - # Equivalent to -H - hostonly="yes" - - # Equivalent to -m "module module module" - dracutmodules+="dash kernel-modules rootfs-block udev-rules usrmount base fs-lib shutdown" - - # Equivalent to -a "module" - add_dracutmodules+="caps debug" - - # Equivalent to -o "module" - #omit_dracutmodules+="systemd systemd-bootchart systemd-networkd systemd-initrd" - - # SEE man dracut.conf(5) for options - </pre> - - <p>Run dracut to create init ram filesystem;</p> - - <pre> - # dracut -v /boot/initramfs-4.1.30-crux.img 4.1.30-crux + # pkgadd /usr/ports/packages/linux-libre#4.9.11-2.pkg.tar.gz </pre> <h2 id="grub">1.4.3. Configuring Grub2</h2> @@ -116,21 +92,42 @@ </pre> <p>Check /boot/grub/grub.cfg, if is wrong add menu to - /etc/grub.d/40_custom, replace correct msdos partition - from grub-prob output and correct UUID from fstab or blkid</p> + /etc/grub.d/40_custom, replace correct partition from grub-prob + output and correct UUID from fstab or blkid</p> <pre> # grub-probe --target=hints_string / </pre> - <p>To add rw as default edit /etc/grub.d/10_linux file, current - version change line 138 to;</p> + <h3>1.4.3.1. Rescue iso</h3> + + <p>Simple way to have "resque" system is to mount boot as read only, + this assures that even as root nothing can be changed without remount. + To have different system independent from host grub will have entry to + boot small iso on /boot partition;</p> + + <p>Crux iso is not used because at the moment it fails to + find "crux-media" during or after init.</p> <pre> - echo '$message' - linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} rw ${args} + $ wget http://ftp.nluug.nl/os/Linux/distr/tinycorelinux/7.x/x86/release/CorePlus-current.iso + $ sudo mv CorePlus-current.iso /boot/tinycore.iso </pre> + <p>Edit /etc/grub.d/40_custom</p> + + <pre> + + menuentry "Rescue" { + load_video + set gfxpayload=keep + + set isofile="/tinycore.iso" + loopback loop $isofile + linux (loop)/boot/vmlinuz64 loglevel=3 cde + initrd (loop)/boot/corepure64.gz + } + <h2 id="checkup">1.4.4. Checkup</h2> <p>If you have qemu installed you can see if it boots, in this @@ -145,13 +142,13 @@ <h3>Debug initram</h3> <pre> - /usr/lib/dracut/skipcpio /boot/initramfs-4.1.32-c9k9.img | gunzip -c | cpio -i -d + /usr/lib/dracut/skipcpio /boot/initramfs-4.9.11-blob.img | gunzip -c | cpio -i -d 36875 blocks </pre> <a href="index.html">Core OS Index</a> <p>This is part of the c9-doc Manual. - Copyright (C) 2016 + Copyright (C) 2017 c9 team. See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a> for copying conditions.</p> |