Arm-dev March 2017

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Any type of light Desktop Environment on Arm Centos7+RPi3
by Hamid Safe 06 Mar '17

06 Mar '17

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Raspberry Pi Zero
by Nicolas 06 Mar '17

06 Mar '17

Hi team, Is there any working image for Pi Zero on C7 ? :) I'm pretty sure the one from Pi2 can work but I've not tested it yet. Nicolas

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Any type of light Desktop Environment on Arm Centos7+RPi3
by Hamid Safe 03 Mar '17

03 Mar '17

2 1

Making an image
by Robert Moskowitz 03 Mar '17

03 Mar '17

Can I have a little help making an image via dd, and then compressing it? I want to save 'checkpoints' of my build process, so that when I have to go back, I do not have to go all the way back to the base image. I have built my basic image (I will be updating my howto, found a few bugs), and fdisk reports: Disk /dev/sda: 120.0 GB, 120034124288 bytes, 234441649 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x0000c89d Device Boot Start End Blocks Id System /dev/sda1 2048 1026047 512000 83 Linux /dev/sda2 1026048 2074623 524288 82 Linux swap / Solaris /dev/sda3 2074624 6268927 2097152 83 Linux Obviously, I do not want to dd the whole 120GB, as I am still only using 4GB, though I will probably have to enlarge sda3 a bit to hold all the software I need. I did this a couple years back, but can't find my notes. :( thanks

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OT: hard drive vs SSD
by Robert Moskowitz 02 Mar '17

02 Mar '17

Given that we are working on server OS for little boards that work will with little drives: For longtime operation of a server which is better, A notebook 2.5" hard drive or A notebook 2.5" SSD drive ? Both pull 1A, so no power advantage. Which can be expected to run for 2 - 3 years straight? (Note: I am looking at this Kingston 240GB ssdNOW 300 that I pulled from a notebook that had to be upgraded to a 480GB SSD) thanks

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Rebase to kernel 4.9.x (LTS) for armhfp : call for testers
by Fabian Arrotin 01 Mar '17

01 Mar '17

Hi guys, As mentioned in the other thread about new kernel (basically to fix the dccp cve issue), I had a look at the 4.4.x branch, but thought also about a rebase to 4.9.x (also upstream LTS at kernel.org) For AltArch (centos 7 i386), Johnny built a 4.9.13 kernel and so I reused it for armhfp It also makes sense to rebase to 4.9.x for rpi2/rpi3 as the rpi foundation also rebased to 4.9 and so confirmed to me that they don't maintain 4.4.x (even if they still accept Pull Requests). So we have now 4.9.13 available for both rpi and generic. The following /etc/yum.repos.d/testing-kernel.repo would do it : [kernel-testing] name=CentOS Kernels for armhfp testing baseurl=https://buildlogs.centos.org/centos/7/kernel/$basearch/kernel-$kvar… enabled=0 gpgcheck=0 [firmware] name=firmware baseurl=https://armv7.dev.centos.org/repodir/arm-kernels/linux-firmware-201… enabled=1 gpgcheck=0 After that a simple yum update --enablerepo=kernel-testing would bring it to the node For rpi, nothing to be done For the other boards, I've added an update-boot tool to automatically modify extlinux.conf. but you need the updated centos-userland-release pkg : https://armv7.dev.centos.org/repodir/c71611-updates-1/centos-userland-relea… Worth noting that the actual 4.9.13 will *not* call it in the %post rpm transaction (yet) but if that tool works for everybody, we'll add it for newer kernels. Any feedback is welcome, but for the kernel I'd like to push that asap to signing/release (so the more feedback, the faster we'll have it released) ;-) Cheers, -- Fabian Arrotin The CentOS Project | http://www.centos.org gpg key: 56BEC54E | twitter: @arrfab

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Arm-dev March 2017