http://cosmos.rete.us/dokuwiki/ 2026-04-30T20:07:29+02:00 http://cosmos.rete.us/dokuwiki/ http://cosmos.rete.us/dokuwiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2013-12-20T11:34:27+02:00 http://cosmos.rete.us/dokuwiki/linux:apt-get?rev=1387535667&do=diff Quick Usage: apt-cache to search the local database for available packages. apt-cache search [search terms] will find packages that sound like what you want and: * apt-cache show [packagename] will return more details on a particular package. * apt-cache showpkg [packagename] will return more details on a particular package. * apt-cache policy [packagename] will return which versions are available along with the priority of each version. text/html 2011-05-06T11:12:20+02:00 http://cosmos.rete.us/dokuwiki/linux:bandwidth-usage-on-eth0?rev=1304673140&do=diff iftop command listens to network traffic on a named network interface, or on the first interface it can find which looks like an external interface if none is specified, and displays a table of current bandwidth usage by pairs of hosts. iftop is a perfect tool for remote Linux server over ssh session. text/html 2012-04-30T12:21:05+02:00 http://cosmos.rete.us/dokuwiki/linux:commands?rev=1335781265&do=diff Measure access time to disk time ls / list my available hard drives fdisk -l disk usage of some folders du -h --max-depth=1 /var/www/web1/user how to empty a file > /var/log/apache2/error.log ---------- text/html 2010-08-22T16:43:47+02:00 http://cosmos.rete.us/dokuwiki/linux:copy-an-xfs-disk-to-ntfs?rev=1282488227&do=diff I've tried this procedure on an Ubuntu 8.04 cat /proc/filesystems modprobe xfs /sbin/fdisk -l mkdir /media/recover mount -r -t xfs /dev/sdc2 /media/recover/ mkdir /media/windows mount /dev/sdb1 /media/windows/ -t ntfs -o nls=utf8,umask=0222 cp -r /media/recover/share/Archivio /media/windows text/html 2012-11-08T11:25:57+02:00 http://cosmos.rete.us/dokuwiki/linux:dpkg-to-replicate-server?rev=1352370357&do=diff Replicating server with dpkg This short guide illustrates how to replicate a server, in the sense of how to get the same packages installed. I have tried this on Debian 6. Save a list of installed packages on the current machine: cd dpkg --get-selections > selections.txt Now move selections.txt to the new machine. Set package list on the new machine and install packages: text/html 2012-04-30T12:38:08+02:00 http://cosmos.rete.us/dokuwiki/linux:dynamic-dns-with-enom?rev=1335782288&do=diff This is how to update the dynamic assigned IP of a single host, where the domain is registered on ENOM.COM registrar. Here we simply setup a contab chunk on a debian/ubuntu installation. Probably it is the same syntax on others distro. We only need the wget command with some arguments. text/html 2013-03-07T08:16:56+02:00 http://cosmos.rete.us/dokuwiki/linux:grep-compressed_files?rev=1362640616&do=diff by nixCraft on March 29, 2007 - last updated at January 29, 2008 Q. I've lots of .gz files in my directory and I'd like to search them using grep. Unfortunately, grep is not working on my compressed file. How do I write a script to automate entire procedure to grep some compressed files. Do I have to uncompress them first and run grep over them? text/html 2012-10-29T12:50:26+02:00 http://cosmos.rete.us/dokuwiki/linux:iptables?rev=1351511426&do=diff Borrowed from wiki.debian.org Intersesting also, for newbies www.howtoforge.com Viewing current configuration See what rules are already configured. Issue this command: iptables -L The output will be similar to this: Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination This allows anyone access to an… text/html 2012-04-30T17:17:59+02:00 http://cosmos.rete.us/dokuwiki/linux:perl-modules-on-hardy-server?rev=1335799079&do=diff This assumes that you have grabbed a copy of the ubuntu hardy server cd from the ubuntu.com website. 1. Install all dependent packages for CPAN apt-get install build-essential 2. invoke the cpan command as a normal user cpan But once you hit on enter for “cpan” to execute, you be asked of some few questions. To make it simple for yourself, answer “no” for the first question so that the latter ones will be done for you automatically. text/html 2012-11-04T14:43:01+02:00 http://cosmos.rete.us/dokuwiki/linux:ssh-without-password?rev=1352036581&do=diff Perform SSH and SCP Without Entering Password on openSSH Source www.thegeekstuff.com 2008 Jun 10 In this article, I’ll explain how to perform ssh and scp without entering the password using the SSH Public Key authentication with SSH Agent on openSSH text/html 2013-02-12T12:30:21+02:00 http://cosmos.rete.us/dokuwiki/linux:syslog-ng?rev=1360668621&do=diff mewbies.com Last update on 06 Aug '10 site, man page, FAQ. This is not just used to log users but a replacement to your syslog. From the syslog-ng information: “The application can operate in server or agent mode, and - apart from UDP - supports the reliable TCP and the encrypted TLS protocols. That way syslog-ng can be used to create flexible and reliable logging infrastructure even in heterogeneous environments. syslog-ng reads and logs messages to the system console, log files, other machi… text/html 2010-08-31T17:59:05+02:00 http://cosmos.rete.us/dokuwiki/linux:upgrade-etch-to-lenny?rev=1283270345&do=diff Debian GNU/Linux www.debian.org Per aggiornare Debian GNU/Linux da Etch (versione 4.0) a Lenny (versione 5.0) occorre effettuare qualche operazione manuale. Per prima cosa aggiorneremo il file /etc/apt/sources.list. Tale file è modificabile con i permessi di amministratore (root), e per poter ottenere i privilegi di root digitiamo nel terminale: