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Pick random entries |
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| OpenBSD loadbalancing and failover with relayd, pf and carp. |
| How to perform loadbalancing with a set of three tools on OpenBSD. The article describes the configuration of the tools for loadbalancing and failover. |
| Tags:
openbsd
relayd
pf
carp
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| Setup maximum cpu consumption by a process with cpulimit |
| cpulimit is a simple program that attempts to limit the cpu usage of a process (expressed in percentage, not in cpu time).The article describes installation and use. |
| Tags:
cpu
cpulimit
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| How To Get Line Number Count In Vim Editor |
| Vim is one of the most commonly used editors in all Linux based systems. Home users and Server administrators both use the Vim editor to create/edit files. When large files are edited, the line number is something handy. The article describes an easy way to display the line number count in Vim. |
| Tags:
vim
ubuntu
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| OCFS2 cluster – quick setup guide |
| OCFS2 is a POSIX-compliant shared-disk cluster file system for Linux capable of providing both high performance and high availability. The article describes the setup procedure from the command line. |
| Tags:
cluster
ocfs2
file system
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| install packages without internet conection on ubuntu |
| A quick how to install packages on ubuntu without internet connection. It can be done in three phases. First a file with needed packages is created. The file is brought to a computer with an internet connection, and the files are downloaded on that computer. Then they are copied to the system that the packages will be installed, and them installation is a piece of cake. (Article in Greek). |
| Tags:
ubuntu
package
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| Installing Google's Go Language on Ubuntu |
| GO language promoted by google is a new system programming language said to be expressive, concurrent, garbage-collected. The language is still very young and there is no ready made package available for ubuntu. You can install it and try it out. The article describes the installation process. |
| Tags:
google
go
ubuntu
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| Using the "windows" key to open up Gnome panel in Ubuntu |
| A tip about configuring Gnome to use the "windows" key of the keyboard to open Gnome Panel |
| Tags:
gnome
ubuntu
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| Using glxinfo to diagnose 3D acceleration issues |
| glxinfo is a command-line tool that can help you diagnose problems with your 3D acceleration setup. A small article that has an example to show how to do it. |
| Tags:
glxinfo
acceleration(3d)
command
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| lbzip2: parallel bzip2 utility |
| A very useful program when big files are compressed or decompressed. This program opens many threads, so compression/decompression can be done using parallel processing. |
| Tags:
zip
lbzip2
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| Lustre – cluster filesystem : quick setup guide |
| The Lustre file system is a distributed high performance cluster filesytem that redefines I/O performance and scalability for large and complex computing environments. This is ideally suited for data-intensive applications which requires the high IO performance. The article describes how to set it up. |
| Tags:
cluster
filesystem
lustre
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| CentOS 5.x Samba Domain Controller With LDAP Backend |
| A HOW-TO that shows you how to set up a Samba Domain Controller with a local LDAP backend, using CentOS 5.x (tested on 5.3, still successfully running on 5.4). Includes a web-interface for managing LDAP users/groups/etc. |
| Tags:
centos
samba
ldap
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| Convert and resize images with the command line |
| There is a command line tool that can be used to convert images to different types and resizing them also. The article discribes an example about converting a png to a gif. |
| Tags:
image
command
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| Retieve deleted files with testdisk |
| A small article in Greek, about how to retrieve deleted files with testdisk. The filesystems supported are:FAT, NTFS and ext2/ext3. |
| Tags:
delete
file
erase
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| Yum error: Cannot find a valid baseurl for repo: with CentOS |
| How to deal with the yum error:Cannot find a valid baseurl for repo: with CentOS. |
| Tags:
yum
centos
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| Backupninja: the ultimate data defender |
| A description for Backupninja, a software tool that brings hastle free backup for systems. |
| Tags:
backup
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