Kategoriarkiv: Linux

Keep your users from shooting themselves (and you) in the foot. Sometimes a sandboxed environment [Hack #10] is overkill for your needs. If you want to set up a restricted environment for a group of users that only allows them … Læs resten →

Seize fine-grained control of when and where your users can access your system. In traditional Unix authentication there is not much granularity available in limiting a user’s ability to log in. For example, how would you limit the hosts that … Læs resten →

To restrict specific applications, you will need to make use of the gradm utility, which can be downloaded from the main grsecurity site (http://www.grsecurity.net). You can compile and install it in the usual way: unpack the source distribution, change into … Læs resten →

Harden your system against attacks with the grsecurity kernel patch. Hardening a Unix system can be a difficult process. It typically involves setting up all the services that the system will run in the most secure fashion possible, as well … Læs resten →

# find / -type d \( -perm -g+w -o -perm -o+w \) -exec ls -lad {} \; Any directories that are listed in the output should have the sticky bit set, which is denoted by a t in the directory’s … Læs resten →

A mount option is a flag that controls how the filesystem may be accessed. It is passed to the operating system kernel’s code when the filesystem is brought online. Mount options can be used to prevent files from being interpreted … Læs resten →

just remove the file /etc/hotplug/pci.rc mv /etc/hotplug/pci.rc /etc/hotplug/pci.rc.old (the script only looks for *.rc) should also work with pcmcia =D

Hvis du skal forsætte en Gentoo installision midt i det hele efter at din box har været slukket…. boot op på gentoo cd’en # mount /dev/$ROOT /mnt/gentoo mount så alle de ander filsystemer # chroot /mnt/gentoo /bin/bash # mount -t … Læs resten →

Kernel skal patches men jeg har ikke kunne finde den path… util-linux skal også patches. ——–GENTOO———— I Gentoo kan man bare bruge Gentoo-sources og util-linux root# emerge gentoo-sources root# USE=”crypt” emerge util-linux I /etc/make.conf kan man tilføje crypt til USE … Læs resten →