/etc/*releases |
store scpecific information about distributive |
/etc/passwd |
info about users registred in the system |
/etc/shadow |
shadowed password file |
/etc/group |
info about groups registred in the system |
/etc/update-motd.d/ |
MOTD files |
/etc/sudoers |
default sudo security policy plugin |
/etc/security/limits.conf |
sets recource limits for the users |
/etc/security/limits.d/ |
the same as the previous but override it |
/etc/default/default |
default information for useradd command |
/etc/fstab |
static information about the filesystems |
/etc/login.defs |
another default information for useradd command |
/etc/skel/ |
template directory which contains the files which will be copied to user home directory |
/etc/mdadm.conf |
store information about RAID devices |
/etc/modules-load.d/$MODULENAME.conf |
modules in that file are automaticly load when OS will be start |
/etc/modprobe.d/$MODULENAME.conf |
modules in that file are not load or load with special parameters |
/etc/mke2fs.conf |
default settings for file systems. Inodes and blocks size and so on |
/dev/mapper |
store files to work with Device mapper. It's a kernel module (framework) use to map physical block devices to virtual hign level block devices. |
/lib/modules/ |
all available kernel modules |
/lib/modules/$(uname -r)/ |
modules for current kernel |
/lib/modules/$(uname -r)/modules.alias |
list of modules to be load to the kernel |
/lib/modules/$(uname -r)/modules.builtin/ |
list of modules which built in kernel. In the 2nd column listed hardware id, in the last column listed modules required for this hardware id |
/proc/version |
info about kernel version |
/proc/uptime |
info about how long the system has been running |
/proc/$PID/cmdline |
info about command which ran the $PID process |
/proc/$PID/cmdline |
info about environment variables which were transferd to the $PID proccess |
/proc/$PID/status |
some information about $PID |
/proc/cpuinfo |
info about CPU |
/proc/meminfo |
info about DDR |
/proc/sys/kernel/pid_max |
max number of running processes |
/var/log/secure |
sudo logs |
/usr/lib/udev/rules.d/ |
udev rules |