Kroko » Linux

Drop all tables in a MySQL database

admin — Mon, 05 Sep 2011 12:06:48 +0000

mysqldump -u[USERNAME] -p[PASSWORD] –add-drop-table –no-data [DATABASE] | grep ^DROP | mysql -u[USERNAME] -p[PASSWORD] [DATABASE] [USERNAME], [PASSWORD] & [DATABASE] are all the details for your database.

Enlarge a xen Image (.img) File

admin — Mon, 20 Jun 2011 16:03:30 +0000

This HOWTO will allow you to increase the size of .img files created with dd. Note that this process changes the on-disk image in place and hence it is highly recommended that you back up the image first. Also, make sure the image is not already mounted or backing a live domain or virtual machine! Continue reading →

smbd unable to connect to cups server

admin — Sun, 29 May 2011 21:26:09 +0000

I have printing disabled (load printers = no, commented the printer share) in Samba but still puts lots of lines like this in the syslog: May 29 16:31:02 home smbd[9505]: [2011/05/29 16:31:02, 0] printing/print_cups.c:cups_connect(69) May 29 16:31:02 home smbd[9505]: Unable to connect to CUPS server localhost:631 – Connection refused After trying many things, this worked Continue reading →

copy partition with dd

admin — Tue, 15 Mar 2011 15:28:14 +0000

HDD or partition backup with dd full hard disk copy dd if=/dev/sdx of=/dev/hdy dd if=/dev/sdx of=/path/to/image dd if=/dev/sdx | gzip > /path/to/image.gz sdx could be sda, sdb etc. In the second example gzip is used to compress the image if it is really just a backup. Restore Backup of hard disk copy dd if=/path/to/image of=/dev/sdx Continue reading →

check subnet reverse

admin — Tue, 15 Mar 2011 15:26:44 +0000

[root@home ~]# dig @8.8.8.8 -x 213.11.1.0 ns +noall +authority; ; DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_5.3 @8.8.8.8 -x 213.11.1.0 ns +noall +authority ; (1 server found) ;; global options: printcmd 1.11.213.in-addr.arpa. 1800 IN SOA ns1.nan2.fr.uu.net. net-adm.fr.verizonbusiness.com. 2007020501 28800 7200 2678400 1800

Setting up mod_ssl on Apache Centos 5

admin — Thu, 27 Jan 2011 09:11:02 +0000

This tutorial will explain how to set up a site over https on Centos 5.2, although it should work on most linux distributions. The tutorial uses a self signed key so will work well for a personal website or testing purposes. This is provided as is so proceed at your own risk and take backups! Continue reading →

Linux force reboot/shutdown

admin — Sat, 01 Jan 2011 22:53:24 +0000

Forcing reboot Linux is not Windows XP and if reboot fail you usually still connect by SSH and do something. This commands will show you how to remotely hard reboot machine. Hard reboot mean that shutdown scripts will not run and machine reboot immediately without syncing hard disk drives, shutdown applications etc, it’s more like Continue reading →

Xen on centos 5.5

admin — Sun, 19 Sep 2010 19:49:34 +0000

Xen Guest OS boot error looks like: Mounting root filesystem. mount: could not find filesystem ‘/dev/root’ Setting up other filesystems. Setting up new root fs setuproot: moving /dev failed: No such file or directory no fstab.sys, mounting internal defaults setuproot: error mounting /proc: No such file or directory setuproot: error mounting /sys: No such file Continue reading →

Testeaza autentificarea SMTP a serverului tau de email

admin — Wed, 21 Jul 2010 08:20:36 +0000

[ad#ad-1] La instalarea unui server de mail, unul din lucrurile trebuie să faceţi înainte de “a fi online”, este de a testa daca totul functioneaza ok, adica ce trebuie sa mearga sa mearga si ce nu .. sa ne asiguram ca nu. Unul din lucrurile care le testam este dacă serverul dvs. suportă corect comanda Continue reading →

RUNNING A SECURE DDNS SERVICE WITH BIND

admin — Sun, 29 Mar 2009 14:22:08 +0000

Posted on March 12, 2007, 21:54, by Julien. Last updated on January 17, 2009, 12:11. This article will give you a short introduction to DDNS, and will only apply to a precise example. I will not detail the reasons of my choice. However, the links provided at the end of the document will allow you Continue reading →