Local port range sysctl tuning for high bandwidth Linux servers

Posted: Sep 23

Most of the Linux distributions specify local port range from 16384 to 65536 and this may be too low for very high bandwidth and busy boxes, let’s say SMTP, Hosting, POP3/Imap and Proxy servers. You can adjust this setting by editing /etc/sysctl.conf file and replacing the default: net.ipv4.ip_local_port_range = 16384 65536 with net.ipv4.ip_local_port_range = 1024 […]

MySQL information_schema error when using mysqldump utility

Posted: Sep 16

Some users report problem when backup is performed using mysqldump command line utility under the Linux OS. The version affected in our tests were 4.1.20. mysqldump: Got error: 1044: Access denied for user ‘root’@’localhost’ to database ‘information_schema’ when using LOCK TABLES To quickly fix this problem use the following switch when running mysqldump for MySQL […]

High load and bandwidth intensive WordPress blog managed hosting

Posted: Aug 27

We are proud to offer high quality and reliable managed web hosting services for WordPress blog owners. We offer various plans for WordPress blog hosting, including blogs hosted on our WordPress cluster (powered by high-speed BGP network- Internap and many other network providers), WordPress managed blog multi-architecture cLuster technology with multiple front-end and back-end servers, […]

LinuxAdmin offers ffmpeg remote installation and set-up


We are offering remote FFmpeg utility set-up for Red Hat Enterprise, Fedora and Centos servers. The price is $40 for each server. What is FFmpeg? It’s a set of programs that  can record and convert various digital audio and video formats. For example, you can covert .mpeg files to .avi.

Streaming flash using standard hosting: Your ultimate solution flash video casting on the web

Posted: Aug 12

Everybody of us who are specially the internet users must have opened web pages where we get to watch many videos and multimedia contents but will someone tell me what format is it or how the websites integrate these multimedia applications so that we are able to see and use it? Yes, it’s mainly a […]

High bandwidth FTP hosting daemon

Posted: Jul 19

We have been doing FTP hosting for some time now and I would like to share our experience. At the beginning we started with different FTP servers and quickly we found out that vsftpd is lightning fast and secure. So we chose to run vsftpd on all our FTP server hosting nodes and so far […]

Cpanel upcp Yaml Syck problem

Posted: Jul 06

Some Cpanel systems miss Yaml::Syck package and /scripts/upcp display a bunch of errors. To fix this problem you may install YAML-Syck package by downloading tar package (at this time of writing the filename: YAML-Syck-0.91.tar.gz ) or you can always run perl Cpan shell to install it the easy way 😉 (login to root account and […]

Replace multiple file text string using grep and perl

Posted: Jun 19

If you have a folder with a lot of files in a directory and with a specific string that you want to change you can do it in seconds using grep and perl command line: grep -R –files-with-matches ‘OLDSTRING’ . | sort | uniq | xargs perl -pi~ -e ‘s/OLDSTRING/NEWSTRING/’ Where OLDSTRING is the string […]

Streaming technologies for Flash video


Flash streaming has been lately the king of all Internet streaming formats. YouTube uses it, Google Video uses it. There are many solutions how to stream or offer progressive downloads of flash video files – free and paid streaming servers. Large companies with deep pockets usually use Flash Media Server, but many folks prefer to […]

FFmpeg installation problem on the Linux

Posted: Jun 12

If you are installing ffmpeg from the SVN and getting the following error log after running ./configure: ./configure Unable to create and execute files in /tmp.  Set the TMPDIR environment variable to another directory and make sure that /tmp is not mounted noexec. Sanity test failed. If you think configure made a mistake, make sure […]