[CentOS] NFS exporting a GFS mount point

Hello, I have a storage offering some 11 TB of space. I'd happily use ext3 and NFS export to 4 client machines, but 8 TB seems to be the tested maximum. I'd really like one mount point for the whole 11 TB. Since GFS offers lock_nolock option for local mounting, I'm assuming it's not so out

[CentOS] Extract text from Microsoft PowerPoint files

Hello CentOS people, I'm wondering if there are command tools like antiword and docx2txt for Microsoft PowerPoint files (.ppt and .pptx). The idea is to extract text from PowerPoint files. Sorry this isn't exactly about CentOS, but I'd really like it if Yum has something. I tried xlhtml, bu

[CentOS] Force close on unattended SSH/SFTP connections

Dear CentOS people, I'm sure many have faced this before but I can't seem to figure this out. I need unattended OpenSSH and its SFTP connections to be closed after a while (say, in 10 minutes). This needs to override anything that could be done from the client side (ServerAliveInterval or k