Re: Avoid reboot by loading initramfs again
DM I think it depends on what you're trying to achieve and what you're DM trying to avoid. Well my first idea was to have a kind of management OS that I can load in memory to do some stuff like disk partitioning, fsck, etc... For example one idea I have in mind is BTRFS snapshots. I can take a snapshot of my root, and when something goes wrong, I run the management image to revert the root FS. So I'm looking for a way to stop the system, run the management image and restart from there. This way, I can avoid all the hardware and memory checks while booting. Note that kexec is already doing that [1]. My question was more on how to cleanly stop and run my memory image. [1] https://wiki.debian.org/BootProcessSpeedup#Using_kexec_for_warm_reboots -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/camqsrmdf7wdhv6cyhlyj5-hwgooonzpx3xg4scxzmq3kpbf...@mail.gmail.com
Re: Avoid reboot by loading initramfs again
SW See Qubes SW SW Its what Amazon uses for AWS. Its based on Fedora but idk of a Debian based SW distro with a similar focus My use case is more for a server environment so this is not what I'm looking for here. I really mean managing the machine from a memory image without a livecd or anything else. But this may fit for another idea of mine [1]. [1] https://lists.debian.org/debian-user/2014/06/msg01607.html -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CAMqSRmBUZUcudjccRiU83im6EYRkoVg4uOHR4ERx4N3=5fv...@mail.gmail.com
Re: Avoid reboot by loading initramfs again
GD Have you considered statically linking the kernel to all the required GD modules and disabling hardware detection? Yes I do. And this is the kind of kernel I use for my servers but this will not help for what I'm looking to achieve here. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/camqsrmb8o-p-po1yftazwas6v4x5km1sfkac5ozhfymbz3p...@mail.gmail.com
Avoid reboot by loading initramfs again
Hello, I wonder if one can avoid a complete reboot of the system just by halting the operating system but right after load the initramfs and restart from there? Basically when we reboot, we only want to reset the operating system state but rarely to do all the hardware checks again. And for a kernel update, there is kexec. ___ Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CAMqSRmB8nUOj73n1u5mReXQKJenZr=2cghbpkp-qom-qjho...@mail.gmail.com
init spawning multiple cf-execd processes at once
Hi, I've added a new line to the /etc/inittab file to monitor the CFEngine daemon and restart it in case this one dies. cfe:2345:respawn:/var/cfengine/bin/cf-execd The cf-execd is re-spawned as expected, except the fact that multiple processes are created at once. I therefore have about 20+ cf-execd processes running where I only need 1. Any idea what's causing this and how to solve it? Regards, Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/camqsrmazsabyqeobc1gld-go1g5k7t85ynkkhxonklbfalj...@mail.gmail.com
Re: Virtualized desktop
You may be interested in http://qubes-os.org. Yes Qubes is approaching what I'm looking for. The more I think about it and the more what I'm looking for is actually a virtual machine manager. I see it like a windows manager. Your computer boots and load this virtual machine manager as it will be doing with GNOME, then you can switch the VM as if they where windows and assign a screen or two or other devices. In a perfect world, I also see USB over IP to share devices connected on another host. I will take a closer look to Qubes. -- Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CAMqSRmBw1D1MBVT5nHxZ7810H7sSWUTCiMMJMLn_A-FsJOFB=w...@mail.gmail.com
Virtualized desktop
Hi, I'm looking to renew my hardware and I'm wondering how Debian can help me to virtualize my desktop environment. My first go was to have 2 Intel NUC and 2 screens, one NUC more stable and one I can play with. I want to use both screens with both computers so this implies to also have two KVMs. Then came the idea to virtualize everything. Make both computers a hypervisor cluster (using Xen or KVM) and run all systems virtualized. But at which point can this be done for desktop system? Here are some points I'm blocking with: 1. I want two screens and be able take make each VM to use one (left or right) or both screens. Maybe by pressing some keyboard shortcuts. 2. I want mouse a keyboard to be moved to the VM of my choice or dedicated to one VM and use Synergy [1] for the others. 3. I will have somewhere a Windows VM so good support is needed. 4. What about the graphics? Can I still make use of Blender for example? How the graphic card shared between each VM? 5. I'd like to make both hypervisor work together. Can I use the local drive of each computer to ensure migration and folder sharing? I see many advantages which this setup: 1. I can freely test, new VM and we are done. 2. I can make a snapshot at any time just in case and go back if my system crashes. And some drawbacks: 1. I will never have full performance of my hardware. Is it for you something that can be done or no way? [1] http://synergy-project.org/ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/camqsrmbceb_o+77u3qw6ueh0ekkruwrt4p7jzdt3-14wj_d...@mail.gmail.com
Re: PXE, automatic installation and reboot
Hi, I finally opted for some iptables rules: -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT -A INPUT -m recent --name tftp --update --reap --seconds 5 -j ACCEPT -A INPUT -m conntrack -m set --match-set tftp_hosts src -p udp --dport 69 --ctstate NEW -j REJECT -A INPUT -m conntrack -m recent --name tftp --set -p udp --dport 69 --ctstate NEW -j SET --add-set tftp_hosts src This will allow consecutive TFTP requests with a timeout of 5 seconds. If the host is already in the IP set, it is rejected. -- Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1374850587.30420.2.camel@BEWS005
PXE, automatic installation and reboot
Hi, I've setup and environment to automatically install some Debian boxes via the network using PXE, TFTP and Preseed. If this part is working fine, I'm facing a little issue when the installation is done. I'm trying to make everything automatic with no human intervention. The problem is that when the installation is done, the box will reboot, boot again using PXE and start a new installation process. How can I prevent that without having to monitor every installation process? The idea would be to kind of deny access to `pxelinux.0` when a host had already made a request. -- Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1374766204.25570.25.camel@BEWS005
Email management workflow
Hello, I have a bunch of email accounts that I connect to using the POP3 protocol and Thunderbird. This is mainly done to keep the different servers clean of emails and also to keep a backup of all my emails on my workstation. Of course, all the emails within my workstation are also backed up regularly. Now I'm like the young guys and I get an Android phone. My problem here is about sent email. I can configure my Android phone to leave the emails on the server and then remove them later from the server using my workstation. But as sent emails are saved locally, I will lose the emails sent from my phone. I know about IMAP but one of my concerns is to being able to have access without an Internet connection and I also like the fact to clean out all my emails from the servers. Any idea? -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1346166434.9080.9.ca...@bews005.euractiv.com
Git and Quilt
Hello, I have a core project on which I maintain a set of patches using Quilt. This allows me to make changes to the project without touching the files so I can upgrade to new versions easily. I keep my patches and the core project in a Git repository. When I want to change something, I apply my patches using Quilt, then I revert all my changes and I just commit the resulting patch. I would like to have a branch where all my patches are applied to deploy the code but I can't find any good way to do this. If I create a new branch from master and apply the patches, I will have conflicts on the next merge. I need something to apply the patches before the merge (maybe using one of the hooks?). Any idea? -- Jimmy -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1341840410.10119.43.camel@sysadmin
Re: Git and Quilt
On Mon, 2012-07-09 at 16:12 +0200, Dominique Dumont wrote: On Monday 09 July 2012 15:26:50 Jimmy Thrasibule wrote: I have a core project on which I maintain a set of patches using Quilt. This allows me to make changes to the project without touching the files so I can upgrade to new versions easily. I don't really see the point. Couldn't you get a similar result by maintaining your own branch beside master branch ? And you're totally right. I wanted to do this the right way without touching the core but, I can just use another branch. I totally forgot about this option... Unless your patches are needed outside a git repo (for example debian patches are needed in Debian build systems outside of a git repo), you probably don't need to maintain your modifications with quilt. I must have missed something there. All the best -- https://github.com/dod38fr/config-model/ -o- http://search.cpan.org/~ddumont/ http://ddumont.wordpress.com/-o- irc: dod at irc.debian.org -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1341845702.10119.46.camel@sysadmin
Apache, mod_rewrite and directory context
Hi,
I'm trying to pass everything that is not a file to `index.php` as a
request parameter without using a `.htaccess` file.
A request to http://www.example.com/test must be rewritten to
http://www.example.com/index.php?q=/test.
I'm using Debian Squeeze (6.0) and Apache 2.2.16. Here is my
configuration file:
VirtualHost *:80
DocumentRoot /var/www/example
ServerName www.example.com
ServerAlias example.com
ErrorLog /var/log/apache2/error/example.log
CustomLog /var/log/apache2/access/example.log combined
IfModule mod_rewrite.c
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.example\.com$ [NC]
RewriteRule ^/(.*) http://www.example.com/$1 [L,R=301]
/IfModule
Directory /var/www/test
AllowOverride None
Options -Indexes +FollowSymLinks
DirectoryIndex index.php
IfModule mod_rewrite.c
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !=/favicon.ico
RewriteRule ^/(.*)$ index.php?q=$1 [L,QSA]
/IfModule
/Directory
/VirtualHost
The first call to `mod_rewrite` within the _VirtualHost_ scope will as
expected change example.com to www.example.com. But, the second call in
the _Directory_ does not seems to work and calling
http://www.example.com/test will throw a 404 error.
Here is the result in the log file:
(2) init rewrite engine with requested uri /test
(3) applying pattern '^/(.*)' to uri '/test'
(4) RewriteCond: input='www.example.com' pattern='!^www\.example\.com
$' [NC] = not-matched
(1) pass through /test
(3) [perdir /var/www/example/] strip per-dir
prefix: /var/www/example/test - test
(3) [perdir /var/www/example/] applying pattern '^/(.*)$' to uri 'test'
(1) [perdir /var/www/example/] pass through /var/www/test/test
File does not exist: /var/www/test/test
What did I miss?
--
Jimmy
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