http://www.asyd.net/home/ 2011-06-19T09:45:12+02:00 http://www.asyd.net/home/ http://www.asyd.net/home/lib/images/favicon.ico text/html 2008-10-03T08:25:38+02:00 http://www.asyd.net/home/docs/linux/console Boot loader lilo serial=0,9600n8 grub Kernel console Add the following kernel boot parameters in your bootloader console=ttyS0,9600 getty Add the following line in /etc/inittab S0:2345:respawn:/sbin/getty -L ttyS0 9600 vt100 And if you want to be able to log on directly as root in the console, please think to add ttyS0 in /etc/securetty text/html 2008-10-03T08:25:38+02:00 http://www.asyd.net/home/docs/linux/grsecurity NB: I wrote this notes while i'm running a version 2 of grsecurity. Some ACL example Add the contents of ACL to /etc/grsec/policy * apache-ssl * nullmailer * bind9 Misc Use the learning mode * gradm -F -L /root/tmp/learning.log * start and use the application you want ACL * gradm -D * gradm -F -L /root/tmp/learning.log -O /root/tmp/learned.acl text/html 2006-03-24T07:11:50+02:00 http://www.asyd.net/home/docs/linux/lvm Physical devices Description Command Initialize a physical device pvcreate /dev/sdb Volumes groups Description Command Create a volume group vgcreate data /dev/sdb Extend a volume group vgextend data /dev/sdc Logical volumes Description Command Create a Logical Volume lvcreate -L 5G -n home data Extend a Logical Volume lvextend -L +50G /dev/[group]/[vol] EXT3 Extend * umount /dev/[group]/[vol] * e2fsck -f /dev/[group]/[vol] * resize2fs /dev/[group]/[vol] * mount [mou… text/html 2008-10-03T08:25:38+02:00 http://www.asyd.net/home/docs/linux/softwareraid Managing software raid1 with mdadm Description mdadm is a tool designed to replace raidtools under GNU/Linux. Requirements Linux with md devices support and RAID 1 support. Usefull commands Task Command Create a new mirror mdadm -C -n 2 -l 1 /dev/md0 /dev/sda /dev/sdb Verify mirror status mdadm --detail /dev/md0 Hot remove a drive mdadm --manage -r /dev/md0 /dev/sda Hot add a drive mdadm --manage -a /dev/md0 /dev/sda Simulating a faulty disk mdadm --manage /dev/md0 --set-faulty /…