Monthly Archives: January 2010

LXC on Ubuntu

This small howto describes a basic installation Linux Containers on Ubuntu 10.04 Lucid (or on Debian Sid). A good howto, which describes and explains many things, but Archlinux specific: http://wiki.archlinux.org/index.php/Linux_Containers#Host_device_access_settings

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Clapf+postfix install

Clapf is a powerful fast and simple spam- and virusfilter. It’s made in Hungary by Janos Suto. Official website: http://clapf.acts.hu I wrote a howto: http://clapf.acts.hu/wiki/doku.php/howto:ubuntu_clapf_mysql_libclamav

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Clonezilla quick howto

This small howto describes, how to install and configure Clonezilla. Clonezilla is a bit similar to Norton Ghost. Its biggest disadvantage is, that it cannot clone a HDD or a device to a smaller one. It’s developed on Ubuntu, but … Continue reading

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Thunderbird useful addons

keyconfig: http://mozilla.dorando.at/keyconfig.xpi functions for keyconfig: http://pqrs.org/firefox/extensions/functions_for_keyconfig/ QuickFolders: https://addons.mozilla.org/en-US/thunderbird/addon/3254 Lightning: https://addons.mozilla.org/en-US/thunderbird/addon/2313 Compatibility Reporter: https://addons.mozilla.org/hu/thunderbird/addon/15003

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vim tuning

vim trick, tuning, tips, commands Continue reading

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Ambrose Bierce

Lét: az öröklét általunk ismert része. – Ambrose Bierce

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generate self-signed certificate in one command

DOMAIN= openssl req -new -newkey rsa:2048 -days 3650 -nodes -x509 -keyout $DOMAIN.pem -out $DOMAIN.pem

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generate certificate request

openssl req -new -keyout DOMAIN.key -out DOMAIN.csr -config DOMAIN.cnf

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crontab regular jobs: clapf, backup, apt-get, mysql

These crontab entries are for a common (email) server, they can be used in common on any server.

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Apache SSL + proxy

SSLProxyEngine on ProxyPass       /                       https://192.168.1.1/ ProxyPreserveHost On

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MLF listaarchívumok keresése

http://groups.google.com/group/hun.lists.mlf.linux/topics http://groups.google.com/group/hun.lists.mlf.linux-flame/topics http://groups.google.com/group/hun.lists.mlf.linux++/topics

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GRUB kiirasa az osszes meghajtora (SATA, SCSI)

grub> device (hd0) /dev/sda # /boot partition root (hd0,0) setup (hd0) device (hd0) /dev/sdb # /boot partition root (hd0,0) setup (hd0)

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Active vs. passive ftp

http://slacksite.com/other/ftp.html Active FTP : command : client >1024 -> server 21 data : client >1024 <- server 20 Passive FTP : command : client >1024 -> server 21 data : client >1024 -> server >1024

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Nyomtatókat automatikusan felcsatolo vbs logon szkript (attach printer logon script)

This small vbs script automatically attach proper printers for users.

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Redirect from html

Redirect the browser after some seconds to an URL. In this example in 5 seconds. <META HTTP-EQUIV="REFRESH" CONTENT="5 ; URL=http://rtfm.co.hu">

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Urlapok

Egy teljes, magyar nyelvű leírás html űrlapok készítéséről. http://download.rtfm.co.hu/pub/urlapok.html Full html forms mini-howto, unfortanetely in Hungarian. http://download.rtfm.co.hu/pub/urlapok.html

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vi quick tutorial magyarul

Remek vi leírás sürgős esetekre: http://www.vajko.hu/vitutor.html

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xorg.conf + wacom

A full example xorg.conf for using wacom.

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windows key shortcuts

Windows + D: Minimize or restore all windows Windows + E: Display Windows Explorer Windows + F: Display Search for files Windows + Ctrl + F: Display Search for computer Windows + F1: Display Help and Support Center Windows + … Continue reading

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Tuning broadband connections on Windows

This is for broad band connections. I didn’t try it on dial up but might work for dial up. 1. make sure your logged on as actually “Administrator”. do not log on with any account that just has administrator privileges. … Continue reading

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Windows cmd file/dir completion

Ez a KB cikk bemutatja, hogyan kapcsolhatjuk be a fájl- és könyvtárkiegészítést a Windows command promptban. http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310530

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rendszer masolasa tar segitsegevel

# tar -cf – –exclude /proc –exclude /mnt / | (cd /mnt && tar xf – )

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updatedb fix

# updatedb updatedb: src/updatedb.c:730: scan_cwd: Assertion `name_size > 1′ failed. Aborted A /etc/updatedb.conf fájlba fel kell venni a /sys könyvtárt és a sysfs fájlrendszert.

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Lustre: írás kikapcsolása egy node-on

A meta szerveren szükséges kiadni.

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DRBD 7: split brain safety recovery

Problem: A drbd 0.7 cluster is in split-brain mode and both node was in Primary state. The BAD node wants to be SyncSource, even if its cstate is Secondary. Goal: sync bytes from GOOD node to BAD node.

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Lustre: fsck quick howto

fsck.ext3 -f -C 0 -v -y /dev/sdb1 -f: force -C 0: folyamatjelző -v: verbose -y: automatikus javítás

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PGSQL: dipla ID-k keresése

SELECT * FROM (SELECT "ID", COUNT("ID") AS aa FROM gallery GROUP BY "ID") AS bb WHERE bb.aa>1; (by kk)

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rsync warning: some files vanished before they could be transferred (code 24) at main.c(977)

Ezt a hibaüzenetet az rsync adja vissza bizonyos esetekben. Valójában nem hiba, csupán az error code (24) miatt veszi annak pl. a dirvish. Valójában csak információs üzenet. Az rsync hivatalos FAQ-ja alapján a workaround egy frontend script alkalmazása: rsync-novanished.sh: #!/bin/sh … Continue reading

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Linux forced reboot/shutdown

Enable sysrq: echo 1 > /proc/sys/kernel/sysrq reboot: echo b > /proc/sysrq-trigger shutdown: echo o > /proc/sysrq-trigger

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FreeBSD .nsmbrc syntax

[SERVER:USER:SHARE] addr=192.168.0.1 password=secret [SERVER2:USER2:SHARE2] addr=192.168.0.100 password=secret2

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jftpgw beállítása

Cél: bejövő ftp kérések továbbítása az intranet (Windows) szerverre.

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install shake on Fedora 8

This small howto describes how to install shake on Fedora Core 8. It’s originally a post from vfxtalk.com, but I’m not sure.

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Thunderbird tuning

Ez a kis változtatás különböző színtű válaszokat különböző színekkel jelöli meg a levélen belül.

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Thunderbird: small attachment icons

mailnews.attachments.display.largeView -> false

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Thunderbird: small attachment icons

thunderbird Continue reading

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