Linux Systems Administrators - Security

... about the topic of Security. Linux Security HOWTO Abstract This document is a general overview of security issues that face the administrator of Linux systems. It covers general security philosophy ... following command to find all SUID/SGID programs on your system: root# find / -type f \( -perm -0 4000 -o -perm -0 2000 \) The Debian distribution runs a job each night...

Ngày tải lên: 19/10/2013, 02:20

... overview material. The Overview of a Linux System from the Linux Systems Administration Guide is also useful. As is the Linux Overview section from the Linux Administration Made Easy Guide (LAME). ... *100072* *100072* COIT 13146 Systems Administration (An Introduction to Linux Systems Administration) Study Guide Systems Administration Edition 2003 ã Copyright ... point you...

Ngày tải lên: 13/09/2012, 10:21

... include: · HOW-TOs Linux ADSM Mini-Howto. · The LAME guide's chapter on backup and restore procedures · The Linux Systems Administrators Guide's chapter (10) on backups Systems Administration ... [roo t@beldin dump-0.3]# /sbin/restore -if /tmp/backup restore > ? Available commands are: ls [arg] - list directory cd arg - change directory pwd - pri...

Ngày tải lên: 19/10/2013, 02:20

... root 15 Dec 25 01:25 linux- 2.4 -& gt; linux- 2.4.1 8-1 4 drwxr-xr-x 17 root root 4096 Dec 25 01:24 linux- 2.4.1 8-1 4 drwxr-xr-x 7 root root 4096 Dec 25 00:31 redhat /usr/src /linux- 2.4 is a soft link ... [root@linuxbox root]# ls -al /boot/vml* -rwxr-xr-x 1 root root 3063962 Sep 5 02:27 /boot/vmlinux-2.4.1 8-1 4 lrwxrwxrwx 1 root root 17 Dec 25 00:17 /boot/vmlinuz -...

Ngày tải lên: 19/10/2013, 02:20

... the size): [david@cq-pan:~]$ netstat -a Active Internet connections (including servers) Proto Recv-Q Send-Q Local Address Foreign Address (State) User root tcp 1 7246 cq-pan.cqu.edu.au:www ... lore.cs.purdue.e:42468 CLOSING root tcp 0 0 cq-pan.cqu.edu.au:www sdlab142.syd.cqu.:1449 CLOSE root tcp 0 0 cq-pan.cqu.edu.au:www dialup10 2-4 -9 .swi:1498 FIN_WAIT2 root tcp 0 22528 cq-pan.c...

Ngày tải lên: 19/10/2013, 02:20

... /vmlinuz-2.4.1 8-1 4 is really /boot/vmlinuz-2.4.1 8-1 4 . Systems Administration Chapter 13: Startup and Shutdown Page 313 title Red Hat Linux (2.4.1 8-1 4) root (hd0,0) kernel /vmlinuz-2.4.1 8-1 4 ... shutdown [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] The parameters are: · -h Halt the system and don't reboot. · -r Reboot the system · -f Do a fas...

Ngày tải lên: 19/10/2013, 02:20

... these tasks: mkdir home_directory cp -pr /etc/skel/.[a-zA-Z]* home_directory chown -R login_name home_directory chgrp -R group_name home_directory chmod -R 700 home_directory One command to ... The Linux Installation and Getting Started Guide has a section (4.6) on user management. The Linux Systems Administrators Guide’s chapter 11 also discusses managing user accounts. The...

Ngày tải lên: 19/10/2013, 02:20

... course changed). boot=/dev/hda map=/boot/map install=/boot/boot.b prompt timeout=100 default =linux image=/boot/vmlinuz-2.2.5 label =linux root=/dev/hda1 read-only restricted password=some_password This boots the system using the /boot/vmlinuz-2.2.5 kernel, stored ... a good idea to set this to 0 unless the system dual boots something else. 1 Linux Administrators Security Guide LASG...

Ngày tải lên: 05/03/2014, 18:20

... ls -l program -rwxr-xr-x 1 samuel csl 0 Jan 30 23:38 program % chmod g+s program % ls -l program -rwxr-sr-x 1 samuel csl 0 Jan 30 23:38 program % chmod u+s program % ls -l program -rwsr-sr-x ... Otherwise, it exits, unceremoniously leaving you as a non- privileged user. Take a look at the permissions on the su program: % ls -l /bin/su -rwsr-xr-x 1 root root 14188 Mar 7 2000 /bin/su Notice tha...

Ngày tải lên: 26/01/2014, 07:20