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how to use YUM in feroda

yum’s commands are very easy and intuitive. These commands will be very useful in managing software in Fedora (based) systems. To update system. Update of the system with all the dependencies that are necessary run # yum update Searches. To make a search of some package or term in the data base in some of the formed deposits yum in ... Read More »

How to install Cacti on Ubuntu

Cacti is a web based PHP/MySql graphing solution using the RRDtool engine. Classically, it can graph network bandwidthes with SNMP. But in fact, a lot of different graphs can be done with snmp, shell or perl scripts. Some of the advantages of RRDtool over MRTG are the following: it is much quicker.. it can use negative values. it can use ... Read More »

How to check Debain version

In order to make sure that your system has been installed from the real Debian base disks check for the existence of /etc/debian_version file, which contains a single one-line entry giving the version number of the release, as defined by the package base-files Read More »

Explain fstab file in linux

Everybody wants to know about /etc/fstab file It has a little bit different /etc/fstab file because the partitions, devices and their properties are different on different systems. But the basic structure of fstab is always the same. Here’s an example of the contents of /etc/fstab: /dev/hda2        /                        ext2                defaults                                 1 1 ... Read More »

How to make a File “immutable” or “unalterable”

If you want that no one can delete or modify any File in Linux, mean it cannot be changed or deleted even by root. Note this works on (ext2/ext3) filesystems. And, yes, root can delete after it’s changed back. As root: [amit@localhost] # chattr +i filename And to change it back: [amit@localhost] # chattr -i filename List attributes [amit@localhost] # ... Read More »