With time your WordPress database may grow out of control. A couple contibuting factors are post revisions, RSS feeds fed through the dashboard. There are plugins that handle basic database optimizations, however, the command line is a quick and dirty way to handle some of these. I have always been aware of the transient RSS entries in the wp_options of…
Read More »Most FTP users use an FTP client to access their FTP server. While there may be a client that is capable of deleting files with wildcards, FileZilla Client does not. After a little research, there is a command available to Windows and Linux users accessible via command line. The command is simply called FTP. Windows / Linux usersAside from some…
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Every now and again, a server may lose its date and time. One pesky server is continuously using the incorrect date and time. If there was only a way to change the system date. There is, and the easiest way to correct this is by using a simple little command called – date. There are a couple of ways to…
Read More »If the native Java for Linux has been installed and the goal is to remove it from the system and install the Oracle Java JDK. Here are the steps to do just that. This is here for reference, I have not fully tested this, in that the installation I was verifying did not have JRE as indicated in the original…
Read More »To access a Microsoft Windows share from a CentOS Linux server there are a few commands that worked for this configuration: Microsoft Windows Server 2003 and CentOS 5.8. This is a quick and dirty guide assumes that a Windows share already exists and uses root. In a production environment, an alternate user would be more appropriate. From the Linux server….
Read More »On a Microsoft Windows server, there is a folder that contains 1000s of logfiles. Each logfile varies by name and size. I wanted a script that would compress all logfiles into a single zip file that were older than seven days. After the compression is completed and the zip file is created, all logs older than seven days will be…
Read More »If you have ever installed Java Development Kit (“JDK”) on a Red Hat Enterprise Linux (“RHEL”) 5.x or CentOS 5.x operating system (“OS”), then you are aware of how manual the installation can be. Prompt after prompt to install. After a lot of research and testing, here is a completely automated script to install JDK on a CentOS or RHEL…
Read More »The goal is to create a network share on a Linux server using Samba that will be available to a Windows workstation with the ability to map a drive to that Linux share. There are many, many articles with a procedure, most are dated and incomplete, however, here is a procedure that worked for this test using CentOS 5.7 and…
Read More »There are many different approaches to hacking the Nook Color, some are quite elaborate, some only detailing Linux or Windows procedures from one degree to another. This approach, from what I have read, should not void the warranty of the product. It will allow for either booting into the the original Nook or booting into the Android OS. This is…
Read More »If you CentOS network configuration is set at DHCP and you want to change your network configuration to a static IP address, then read on. The network configuration settings are generatlly found and edited in two places. Edit the /etc/sysconfig/network-scripts/ifcfg-eth0 to resemble the following (replace the network addresses with your own). Edit the /etc/sysconfig/network to resemble the following (replace the…
Read More »Icinga, an open source monitoring tool, monitors networks and its resource, can send notifications, and generate reports. Icinga is scalable and can monitor small to large network environments. Icinga is a fork of Nagios and is backward compatible. Nagios configurations, plugins and addons can be used with Icinga. Icinga has retained the existing features of Nagios, however, is actively maintained…
Read More »Where once things had worked, a user had upgraded from a Microsoft Windows XP to Microsoft Windows 7 operating system. In doing so, the Webtrends Report Exporter that was prepackaged with a slightly older version of Webtrends failed to install. Once the installation issues seemed to iron out after much trial and error with permissions and with running as administrator…
Read More »I needed a list of files from a folder with only filesize. The first choice of commands was the DIR command, however, there is no command line switch or combination that will allow for this type of output. I didn’t want to have to install any third party application or Microsoft extras to get the desired result. Since, I am…
Read More »Recently discovered that some servers were not reporting the correct time. I originally decided to use a freeware utility called tSync, an Internet and network time synchronization utility. While this little utility works great, I wanted something a little cleaner. Microsoft offers a couple of ways to resync the times. How to synchronize the time on a member computer in…
Read More »Scooter Software has a fantastic program called Beyond Compare. It is available in both Windows and Linux. Having used this in Windows, I wanted to give it a shot in Linux. All the instructions are available on the vendor’s website; however, after reading through them, here is a simplified set of instructions. This was a fresh install of CentOS 5.7…
Read More » Only having terminal access to a server running CentOS 5.7, I had to determine if the server was actually a physical or virtual machine. There are a few methods to do this, however, here are a couple of the easier methods. Vendor: VMware Model: Virtual disk Rev: 1.0 Vendor: VMware Model: Virtual disk Rev: 1.0 Vendor: VMware Model: Virtual disk…
Read More »To check for the version that CentOS and RedHat Enterprise Linux (“RHEL”) there are a couple of commands that are useful and will provide the desired results. CentOS release 5.7 (Final) CentOS release 5.7 (Final) Release: CentOS release 5.7 (Final) If lsb_release is not available then use yum install to install it. yum install redhat-lsb CentOS release 5.7 (Final) Kernel…
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