similar to: can i config/build/boot a new kernel on centos 5.5 with LVM?

toward the end of a class on friday, just for fun, i showed the students how to install git, clone the latest kernel source, and build and install a new kernel. since it was getting close to end of day, i wanted to keep it simple and directed them to just "make defconfig" to see what would happen. the configuration and build of the kernel and modules worked fine, they installed the

a couple folks on the local mailing list were asking about the mechanics of building a kernel for a centos system, and they seemed to suggest that there were some intricacies involved as opposed to other distros. i've never tried it -- is there a trick or something? got a pointer to the canonical web page that has the directions? thanks. rday --

first, the short form of the question -- has anyone got that wireless adapter working on centos 5.5 and associated with an access point that uses WPA/WPA2 security? and the details. in a classroom where there is *no* wired networking at all, all PCs have only that wireless net adapter, which works fine on windows but, after installing centos 5.5, unsurprisingly, we have no networking. there

a student in my RHEL admin class this week specifically asked how to use multiple NICs to add fault tolerance. a good question, i thought. perhaps adding a short HOWTO on that wouldn't be out of line, something like this: http://www.how2centos.com/how-to-set-up-network-bonding-with-centos-5x/ i could even add that as a lab for future classes, where i simply add two USB network adapters to

is it possible to set up NFS on centos 5.5 so that it uses *only* version 4? i tried this not that long ago on fedora and was surprised to see a complaint when i tried to start the server and was told that i was missing required functionality of NFSv1, or something equally weird. i'll check the /etc/init.d/nfs script, but i think what got me into trouble was trying to use the entire set of

yesterday, i was demoing how to use ssh-copy-id on centos 5.5 to copy one's public key to another machine and account so you don't need to type the password anymore. i used "ssh-keygen" to create the standard RSA-format files, then checked the man page for ssh-copy-id, which reads: ssh-copy-id [-i [identity_file]] [user@]machine ... If the -i option is given then

yes, it's OT but just in case folks here know someone who might be interested, i'm writing and publishing a course to introduce people to the joys of linux kernel programming: http://www.crashcourse.ca/introduction-linux-kernel-programming/introduction-linux-kernel-programming and, no, it's not free -- six months worth of course will cost you all of $39 (CAD), but the first four

(hoping this is the right way to submit updates for wiki pages.) from this page: http://wiki.centos.org/TipsAndTricks/YumAndRPM first, there's this line: yum --disable "*" --enable "rpmforge" list available i'm guessing that should be: yum --disablerepo "*" --enablerepo "rpmforge" list available also, near the bottom (Method B):

currently reading the RHEL deployment guide and i have a short question about ACLs that i can test on my centos 5.5 box. here: http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/Deployment_Guide/ch-acls.html the manual clearly claims that, in order to use ACLs on a filesystem, that filesystem must be mounted with the "acl" mount option, and even shows a sample

again, from here: http://wiki.centos.org/FAQ/CentOS5 regarding a newer version of PHP, a number of PHP experts that i know of suggest that, if you truly need an up-to-date version of PHP, you should: rpm -ivh http://rpms/famillecollet.com/enterprise/remi-release-5.rpm while remi collet's repo isn't official, it's accepted by numerous developers as a reliable source of newer PHP

here's hoping this is on topic. as part of the extra goodies i'm going to give my RHEL/centos basic admin class this week, i'm going to get them to open up the standard initrd.img file and see what's inside. i just did that myself and have a couple simple questions. first, while the cpio archive physically contains a number of basic /dev special files, the top-level

more a terminology usage question than anything else, but in a couple of weeks, i'll be teaching the first of a few sessions on RHEL admin and, unsurprisingly, i'll be using centos (as i've done in the past). when i asked the organizer to identify the specific version of RHEL that was being used at the client site, i was told 5.3 so i can easily install 5.3 on the classroom

i'm sure there's a simple answer to this -- i already understand that newer kernels than the ones shipped with the official release aren't officially supported but there is the elrepo kernel repository here: http://elrepo.org/linux/kernel/el7/x86_64/RPMS/ with a mixture of long-term (lt) and mainline (ml) kernels. i assume that the mainline kernels pretty closely track the latest

just noticed that these header files contain comments referring to "the #ifdef __KERNEL__ part": include/uapi/linux/virtio_console.h: * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so include/uapi/linux/virtio_config.h:/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so include/linux/virtio_console.h: * This header, excluding the #ifdef

just noticed that these header files contain comments referring to "the #ifdef __KERNEL__ part": include/uapi/linux/virtio_console.h: * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so include/uapi/linux/virtio_config.h:/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so include/linux/virtio_console.h: * This header, excluding the #ifdef

i'm reading the FAQ: http://wiki.centos.org/FAQ/General and i'm familiar with the deliberate avoidance of using the name "red hat", but it seems a bit weird given that point 1 clearly avoids it while point 2 boldly uses the name right in the question. so what's the point of being so coy, but not all the time? rday --

just to fix obvious and trivial typoes that i'm running across, like on this page: http://wiki.centos.org/FAQ/CentOS5 "notwithin" "you did not chose to reserve" simple stuff like that. anything more involved, i'll post. rday -- ======================================================================== Robert P. J. Day Waterloo,

generalizing somewhat from my earlier note about the "securing SSH" page: http://wiki.centos.org/HowTos/Network/SecuringSSH i don't know what level of intro a page like that should have but when i've presented things like this to classes i've taught, or written short online tutorials, the very first thing i document are the packages involved. in this case, the first

absolutely serious question -- i appreciate that it's important to still document how things are done in centos 4, but i have precisely zero interest in that. given how long centos 5 has been out, and that centos 6 is not that far down the road given the alleged release schedule for RHEL 6 (rumoured end of year), i plan on investing my time in centos 5 and 6 exclusively. so while i'm

here: http://wiki.centos.org/HowTos/Network/SecuringSSH the recipe for how to copy your id_rsa.pub file to a remote system is given as: "Copy the public key (id_rsa.pub) to the server and install it to the authorized_keys list: $ cat id_rsa.pub >> ~/.ssh/authorized_keys" i suspect it would be better if that were rewritten in terms of using ssh-copy-id, just to be simpler and