Categorie: ICT Knowledgebase
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Building your Online Waiting Room (F5 BIG-IP LTM)
This document provides you a solution to gain control of website overload during extreme traffic peaks by offloading visitors into an online waiting room. With this solution you provide your website visitors a good experience and the stability of your website maintained.
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Installing VSFtpD (Very Secure Ftp Deamon)
This tutorial shows the installation of vsftpd (VerySecureFtpDeamon) on Linux to act as a FTP server. It supports some features as SSL and locking users to their home directories.
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Building your own WMware SRM
VMware can be protected by using Array-Based Replication at the storage layer by replicating VMware datastores to a Recovery Site.
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Enabling Maintenance Mode without restarting Apache
This document will show you how to put the site into a maintenance mode, during site updates, without restarting Apache. In this document it’s assumed you already have a custom maintenance page to inform your visitors the site is down for maintenance.
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Using Rsync to backup data over network or Syncing Two (Apache Web) Servers
This tutorial will help you to sync data between two (web) servers with “Rsync“ for example to minimize/eliminate downtime/data loss of your web servers. Rsync (Remote Sync) is a command tool to copy and synchronize data locally across directories, across disks and remotely across systems to perform data backups and mirroring between two Linux systems.
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Enable / Disable SELinux (Security-Enhanced Linux) in Red Hat/CentOS
This article will show how to disable SELinux as some software do not support this Linux kernel security module that provides the mechanism for supporting access control security policies. Display current state of SELinux # sestatus SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing … Temporarily Disable/Enable SELinux…
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Configure proxy setting on Linux systems to access Internet
You can use a Proxy Server to access Internet at Shell Prompt by setting the http_proxy variable. This allows you to connect text based session and/or applications via the proxy server.
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Linux Crontab Examples
Cron is an linux utility to schedule jobs (commands or shell scripts) to automate system maintenance and/or administration. The configuration file is located in “/var/spool/cron/username”. The command “crontab –e” will work like opening and editing the file in “vi” editor. Listing cron jobs for the currently logged in user crontab –l display the cron jobs set…
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Using Rsync to backup/mirror data over network
Rsync is an utility to (remote) synchronize files for backup/mirroring purposes.
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How to setup a Linux Remote Management System?
If you have too much Linux systems to manage them manually, this document will provide you the centralized solution to manage them remotely and in bulk.