A guide about How-to Creates a Linux Swap space in a few steps without Physical disks.
Security
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How to Configure Sudo email alert
Introduction Sudo email alert, If we need to get an alert when some user executes some command which not suppose to run. Or if some user not at […]
Monitoring Tools
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Installing Monit in Ubuntu Servers
Monit is a utility for managing and monitoring, processes, files, directories and devices on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal […]
FTP Server
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Install Proftpd with TLS/SSL
PROFTPD use plain transfer mode. By implementing with TLS/SSL which help to secure our Proftpd with TLS/SSL by eliminating plain text transfer.
Linux Administration
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Install and configure Logwatch in Ubuntu-Server
To watch the logs and send alert periodically to admin by configuring logwatch. Install Logwatch using # sudo apt-get install logwatch Edit logwatch.conf file # /usr/share/logwatch/default.conf/logwatch.conf Change the […]
Ubuntu Linux
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Setting up a Ruby gem server to use locally
Introduction Installing gems for a Ruby deployment is a pain. It will take more than hours to download the required gems and docs. To save the time and […]
Troubleshooting
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resolvconf: Error: /etc/resolv.conf isn’t a symlink, not doing anything
If we get this error in Ubuntu while restarting network service. Here /etc/resolv.conf is a file move it to /run/resolvconf/resolv.conf. # sudo mv /etc/resolv.conf /run/resolvconf/resolv.conf Then create […]
Ubuntu Linux / Troubleshooting
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Recovering from Ubuntu dual boot issue | Chroot Ubuntu
To recover from a windows installation first we need to boot from LiveCD of Ubuntu if you installed with system 32-bit use 32bit Live CD If 64bit use […]
Web Server
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Apache virtual host entry to forward non-SSL to SSL for Rails application
In the rails application, if we need to forward all non-SSL traffic to SSL traffic we can use below virtual host entry. By default, the rewrite module needs […]
Linux Administration
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Enable setup command in minimal installed Redhat or Centos 6 Linux
In minimum install setup, the command will not be enabled because it installed with limited packages. When we try to run “setup” command if we get below command […]