allprog

Linux ‘udev: renamed network interface eth0 to eth1″

admin — Tue, 27 Mar 2012 15:59:00 +0000

editer

/etc/udev/rules.d/70-persistent-net.rules

et changer “NAME=” par la bonne interface

# This record was automatically generated by a /lib/udev/write_net_rules

# program, substantially run by a persistent-net-generator.rules manners file.

#

# You can cgange it, as prolonged as we keep any order upon a singular line.

# MAC addresses contingency be created in lowercase.

# PCI device 0x8086:0x100f (e1000)

SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:0c:29:65:ae:04", NAME="eth1"

# PCI device 0x10ec:0x8168 (r8169)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1c:c0:01:5f:e0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

IP Unique Apache logs

admin — Thu, 16 Dec 2010 13:05:42 +0000

#!/bin/bash

FILE=/usr/local/apache/logs/access_log; for ip in `cat $FILE |cut -d ' ' -f 1 |sort |uniq`; do { COUNT=`grep ^$ip $FILE |wc -l`; if [[ "$COUNT" -gt "10" ]]; then echo "$COUNT: $ip"; fi }; done

Trouver les fichiers plus grand que 10 Mo

admin — Thu, 16 Dec 2010 09:59:08 +0000

find / -size +10000000c -printf "%15s %pn"

Trouver les fichiers modifiés dans les deux jours

admin — Thu, 16 Dec 2010 09:57:55 +0000

find / -mtime 2 -o -ctime 2

NB SYN SUR UN PORT PARTICULIER

admin — Tue, 10 Nov 2009 13:21:17 +0000

Exemple sur le port 80:

tcpdump -ne dst port 80 and ‘tcp[13] & 2 == 2′

Pratique pour detecter un SYN FLOOD

STATS NOMBRE DE CONNEXION LINUX

admin — Tue, 10 Nov 2009 13:19:46 +0000

Exemple sur le port 80 netstat -tan | grep ‘:80 ‘ | awk ‘{print $6}’ | sort | uniq -c

ALERTE MAIL DANS /etc/hosts.deny

admin — Tue, 10 Nov 2009 13:18:11 +0000

ALL: ALL :SPAWN echo “Service %d IP %a Utilisateur %c” | /bin/mail -s “Alerte tcpd” user@domain.fr : DENY

supprimer en masse des signets dans scuttle

admin — Sun, 08 Mar 2009 21:10:49 +0000

DELETE sc_bookmarks, sc_tags FROM sc_tags, sc_bookmarks WHERE sc_tags.bId = sc_bookmarks.bId AND sc_tags.tag = "tag_des_signets_à_supprimer"

Liste des paquets installés classés par taille

admin — Sun, 08 Mar 2009 21:10:05 +0000

dpkg-query -W –showformat=’${Installed-Size} ${Package}n’ | sort -n [administration] [bash] [debian] [linux]

Réinitialiser le mot de passe d’un utilisateur mediawiki

admin — Sun, 08 Mar 2009 21:09:22 +0000

UPDATE user SET user_password = MD5(CONCAT(user_id, ‘-’, MD5(‘somepass’))) WHERE user_name = ‘someuser’; [administration] [mediawiki] [mysql]