x2goserver-4.0.0.0-4.1 dependancy issue

update: This has now been resolved and x2goserver now works with RHEL and is derivatives The latest update to x2goserver (4.0.0.0-4.1) for RHEL and its derivatives currently have an issue where if you try to install x2goserver it requires a dependency that is not part of Red Hat. xorg-x11-fonts-core is a …

Samba error: bind failed on port 137

Problem Samba will not start and is showing the following errors in the log files. Feb 6 15:27:02 server nmbd[22392]: [2013/02/06 15:27:02, 0] lib/util_sock.c:open_socket_in(822) Feb 6 15:27:02 server nmbd[22392]: bind failed on port 137 socket_addr = 172.16.203.142. Feb 6 15:27:02 server nmbd[22392]: Error = Cannot assign requested address Feb 6 …

Sendmail: dangerous permissions

If you ever get the following errors Feb  6 14:31:22 server sendmail[10862]: dangerous permissions=40777 on queue directory /var/spool/clientmqueue/ Feb 6 14:31:41 server sendmail[10875]: NOQUEUE: SYSERR(root): can not chdir(/var/spool/clientmqueue/): Permission denied This means that the permissions for the folder /var/spool/clientmqueue/ are incorrect simply correct the error by running the following commands …

sysstat: No such file or directory

Problem When you run sysstat you might get the error Cannot open /var/log/sysstat/sa20: No such file or directory This is because sar logging is not enabled on the server yet. Solution Enable logging by running the following command dpkg-reconfigure sysstat Select <Yes> and press return. Manual Method If this does …

Fedora 18: Setting a static IP address

This is a quick tutorial on how to set a static IP address using the terminal within Fedora 18. note: these instructions also work in Fedora 19. Disable Network Manager 1. First stop and disable the gnome network manager from running on boot. systemctl stop NetworkManager.service systemctl disable NetworkManager.service 2. …

How to Cancel specific email addresses in postfix mailq

If there are specific emails in the mailq on postfix that you want to remove you can use the following line mailq |grep [email protected]| awk ‘{print $1}’|tr -d ‘*!’| postsuper -d –