Category: Linux

  • Linux Remote Desktop Display

    One very annoying thing about Linux’s Remote Desktop (rdesktop) command is that you rarely can get a good screen size when remotely connecting to a Windows machine. It’s either too long and you have to always scroll, or worse yet, you are looking at an 800×600 view of your remote desktop. Fortunately, the Linux crew […]

  • Using Verifone RiTA software with IBM WAS

    If you are running the RiTA software by Verifone, you may encounter a number of issues configuring the software to work in an IBM WebSphere environment. There are two issues you want to avoid: Not being able to find the tid.jcc file Not having the .jar files in the correct location First, the tid.jcc needs […]

  • Jasper Server could not insert error

    In Jasper Server, you may encounter the following error: org.hibernate.exception.GenericJDBCException: could not insert: [com.jaspersoft lipitor 10mg.jasperserver.api.metadata.common.service.impl.hibernate.persistent.ContentRepoFileResource] This can be caused by having too many automated reports stored in your Content Files directory. Especially if there are number of large .xls (or any type of file). Just be sure to keep this directory to less than 50 […]

  • Setting up a classless DNS with Bind9 on Ubuntu and Red Hat Linux flavors

    Setting up a classless DNS is critical if you are setting up a mail server on your classless set of IPs. For instance, when my mail users send e-mails to Comcast, Cox, or Time-Warner, my mail is rejected with the following message between the stars: ******************** Subject: Undelivered Mail Returned to Sender This is the […]

  • Remount /etc/fstab without rebooting

    Many times it would be nice to make changes to your /etc/fstab file. The problem is that you must reboot. No longer. Run the following command to remount your /etc/fstab file without rebooting –> >mount -a Everything should now be remounted and you can fix any errors that may have occurred with your new /etc/fstab […]

  • Samba – Stop homes from showing in shares

    When using Samba on Linux, there are times that you want to allow user to have a private user directory, but do not want the “homes” directory share to show up. This is relatively simple. Edit your /etc/samba/smb.conf file with your favorite Linux editor. Look for the section [homes] and find the line browseable = set […]

  • Initializing a new instance of Linux

    After a fresh install of Linux, there are a number of tasks I like to do. I like having commands and aliases that I am used to installed. Copy /opt/scripts Create /opt/sw /opt/scripts/ set up MySQL Install WebMin and VirtualMin for managing your domain names and their.

  • Connecting Red Hat 5.3 to a Dell MD3000i

    Connecting to a DELL MD3000i is no trivial matter with Linux. First, you need to ensure that you have the DKMS package installed. >yum -y install dkms >yum -y install iscsi-initiator-utils >yum -y install gcc >yum -y install kernel-devel >yum -y install sgpio >yum -y install sg3_utils Now you can install the Dell Tools and […]

  • Jasper Server Permission Denied error

    Occasionally, Jasper Server has an error relating to being unable to write files. The errors show up in the Apache web server log, catalina.out. You have probably started the service as the user root on accident. This will cause ownership to change to root on some log files. Then when you log back on as user jasper […]

  • Linux overwrites DNS resolver /etc/resolv.conf

    Linux will overwrite your /etc/resolv.conf in 3 cases. If you have: Network Manager enabled. Disable the Network Manager by turning it off with the following commands: >service NetworkManager stop >chkconfig NetworkManager off         DHCP enabled. dhcpd will overwrite your /etc/resolv.conf when it acquires an IP address. Convert to a static IP if you are in control of […]