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AIX UNIX: Enabling Jumbo Frames
How do I setup jumbo frames under IBM AIX operating systems using command line tools?Read answer to: "AIX UNIX: Enabling Jumbo Frames"
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Debian / Ubuntu Linux: Install and Configure Shoreline Firewall (Shorewall)
I know how to setup a firewall under RHEL / Fedora and CentOS Linux quickly. How do I setup a host-based firewall under Debian or Ubuntu Linux server or desktop system? How do I install Shoreline...
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Linux FTP Server Traffic Control And Throttle Port 21
I've setup FTP server at port 21 and 40000:41000 as range of passive ftp. How do I control outgoing traffic for the FTP server/service running on my Debian/CentOS/Ubuntu Linux server?Read answer to:...
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Linux View Process Address Space
How do I view process address space under Linux operating systems?Read answer to: "Linux View Process Address Space"
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HowTo: Linux Rename a RAID Array From md0 to md2
I am moving a raid array called /dev/md0 from serverA to serverB. On serverB /dev/md0 is already in use. How do I rename a RAID array from /dev/md0 to /dev/md2?Read answer to: "HowTo: Linux Rename a...
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MySQL Server: Bind To Multiple IP Address
I have MySQL database system running on FreeBSD. The server has multiple ip address. The mysqld used by many websites hosted on two other CentOS based servers. I would like to bind MySQL sever running...
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CentOS / RHEL: Install ipset Administration Tool For IP Sets and IPTables
How do I install the ipset extension to Netfilter/iptables on Red Hat Enterprise Linux / CentOS Linux v6.x?Read answer to: "CentOS / RHEL: Install ipset Administration Tool For IP Sets and IPTables"
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Linux Configure Firewall Using Shorewall Under RHEL / CentOS
A properly configured firewall can greatly increase the security of RHEL / CentOS based system. How do I configure a shorewall based firewall for CentOS or Red Hat Enterprise Linux system with an...
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Linux Iptables Setup Firewall For a Web Server
I have setup an Apache web server on CentOS Linux. How do I configure firewall to allow or block access? How do I setup firewall for a web server under RHEL or CentOS Linux v6.x?Read answer to: "Linux...
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Nginx: Block URL Access (wp-admin/wp-login.php) To All Except One IP Address
I am the small business owner and runs my own web-site. I have noticed increased cracking activity against by blog. What's the best way to block WordPress URLs such as example.com/blog/wp-login.php and...
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Debian / Ubuntu: Set Port Knocking With Knockd and Iptables
My iptables based firewall allows only port TCP 80 and 443. I also need tcp port # 22, but I do not have static IP at my home. How do I open and close TCP port #22 on demand under Debian or Ubuntu...
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Linux WARNING: Duplicate VG name server1 LVM2 Error and Solution
I recently added SSD to my home server and reloaded the operating system. However, when I try to access my dm-crypt based old disk, I am getting the following error: Reading all physical volumes. This...
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Debian Linux: Upgrade v6.0.x Squeeze to v7.0.0 Wheezy
Recently Debian Linux version 7.0 ("Wheezy") released. This version shipped with many new features - improvements to multimedia support, improved security through hardening flags and the OpenStack...
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Howto: Linux Add or Remove a Linux Kernel Modules / Drivers
How do I add or remove hardware device driver (module) from running Linux kernel?Read answer to: "Howto: Linux Add or Remove a Linux Kernel Modules / Drivers"
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Nginx: SPDY SSL Installation and Configuration On Debian / Ubuntu
Google Chrome/Chromium, Firefox and Opera browser support SPDY networking protocol. It enables faster browsing on supported sites. SPDY is similar to HTTP, with particular goals to reduce web page load...
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Linux Delete / Remove MBR
I've installed an usb image on Pen drive along with MBR. Now, I need to use this USB pen for other purpose. Is there a way in Linux to delete the mbr (just like dos fdisk /mbr command)?Read answer to:...
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Protected: This is a test tutorial blog post
There is no excerpt because this is a protected post.Read answer to: "Protected: This is a test tutorial blog post"
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OS X Mountain Lion 10.8 Set Apache and PHP Web-Server
I am using Apple OS X Mountain Lion 10.8.4 on my Macbook pro. For my school project I need to write an app in PHP 5 and Apache. However, I am unable to find the Web Sharing option from the Sharing...
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Debian / Ubuntu: Install Duplicity For Encrypted Backup In Cloud
My cloud based backup service provider has ssh access to the backup system. How do I install and configure duplicity software for remote backups in incremental and encrypted format on Debian or Ubuntu...
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HowTo: Create a Self-Signed SSL Certificate on Nginx For CentOS / RHEL
I operate a small web site on Cloud server powered by CentOS Linux v6.4. I would like to encrypt my site's information and create a more secure connection. How do I create a self-signed SSL certificate...
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