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[arch-general] Automatically stop systemd service
by Robbie Smith 28 Mar '13

28 Mar '13

TL;DR: More toying with mobile broadband and systemd; would like help automatically stopping service depending on device availability. I’ve been adjusting the .service file for netcfg(a)ppp-mobile.service so it plays nicely with my modem. It will only start if the USB modem is plugged in and exposing a serial port to the computer, and when I manaually stop the unit, the ppp daemon is also killed, so it doesn’t lock the device and reconnect automatically upon the device being detected again, thus *bringing up the network interface when systemd and netcfg say it is down*. %2Fetc%2Fsystemd%2Fsystem%2Fnetcfg(a)ppp-mobile.service: ---------------------------------------------- .include /usr/lib/systemd/system/netcfg@.service [Unit] Description=Netcfg networking service for mobile broadband point to-point protocol. ConditionPathExists=/dev/ttyUSB0 [Service] KillMode=control-group What I cannot figure out how to do is automatically stop the service if the device is unplugged, similar to how ifplugd works for wired ethernet interfaces. I’ve read the manual pages and asked Google, and I cannot seem to find more detailed information. I think it may be possible to write a service that will use udev’s polling capabilities, but then I have to somehow link that unit to the netcfg one such that it gets stopped and started when netcfg is, which implies it would listen to udev, wait for the device to be unplugged, then stop netcfg and kill itself. systemd's PartOf= may offer an answer, but I don’t really know how to tie it all together. How should I best go about this? Another systemd service, a udev rule, or is it possible to further modify the ppp-mobile service? regards, Robbie

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[arch-general] netctl development
by Robbie Smith 28 Mar '13

28 Mar '13

Is there a publicly-accessible list to follow the development of netcfg’s successor-to-be, netctl? From my experiments with systemd and netcfg, there’s a few features that could definitely come in useful, and I’m certainly willing to help contribute where I can, be it testing, coding, or writing documentation. Does it depend on anything in [testing] or could I build and install it via ABS/AUR?

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[arch-general] [classroom] PKGBUILD Lessons postponed
by William Giokas 27 Mar '13

27 Mar '13

All, The first Arch Linux class has been postponed. The other presenter, Daniel Wallace, has recently been hired and will be inactive[0]. He will be unavailable for much of the next month as well. March 31st is Easter, and we understand that many people will be unable to attend. That being said, we sill still be having this class at a later date, so keep your weekends open if you are planning to attend. The time (16:00 UTC) will remain the same. Daniel: I know I've said it many times on IRC, but congratulations on the job! [0]: https://mailman.archlinux.org/pipermail/aur-general/2013-March/022850.html Thank you, -- William Giokas | KaiSforza GnuPG Key: 0x73CD09CF Fingerprint: F73F 50EF BBE2 9846 8306 E6B8 6902 06D8 73CD 09CF

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[arch-general] MaraDNS and Zonetransfer
by Δημήτρης Ζέρβας 27 Mar '13

27 Mar '13

I want am using MaraDNS and I want to enable zonetransfer. When I try to enable zonetransfer service via systemd, I get failed status and this in my messages.log: Mar 27 18:01:53 localhost systemd[1]: Starting Zone AXFR service for MaraDNS server... Mar 27 18:01:53 localhost systemd[1]: Started Zone AXFR service for MaraDNS server. Mar 27 18:01:53 localhost systemd[1]: zoneserver.service: main process exited, code=exited, status=3/NOTIMPLEMENTED Mar 27 18:01:53 localhost systemd[1]: Unit zoneserver.service entered failed state I am able to start zonetransfer with "duende zonetransfer -f /etc/mararc". Also, I am able to start zonetranfer via systemd when I bring maradns down, then if I start maradns I'll get the same errors in my messages.log BTW: journalctl is disabled because it was resource hungry. So, all messages go @/var/log/messages.log Thank you.

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[arch-general] Question about mariadb replacing mysql
by Mike Cloaked 27 Mar '13

27 Mar '13

With the move to mariadb I have the following situation: I am not explicitely running mysqld so checking the status with systemctl shows it is inactive. However I am running KDE as my desktop. After doing the suggested install after ensuring that mysqld is stopped: pacman -S mariadb libmariadbclient mariadb-clients and accepting the install of these packages with removal of mysql equivalents, I then find that there is a private instance of mysql running by the KDE desktop: ps -eaf | egrep mysql mike 660 657 0 Mar23 ? 00:00:42 /usr/bin/mysqld --defaults-file=/home/mike/.local/share/akonadi/mysql.conf --datadir=/home/mike/.local/share/akonadi/db_data/ --socket=/home/mike/.local/share/akonadi/socket-home1/mysql.socket mike 9747 761 0 13:39 pts/3 00:00:00 egrep mysql So does any expert know whether a mysql_upgrade is necessary for KDE and if so how does one go about doing that upgrade? Thanks. -- mike c

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[arch-general] Upgrade finish in a "Kernel Panic - not syncing : no init found"
by Dany De Bontridder 27 Mar '13

27 Mar '13

Hi, I reinstalled 2 weeks ago arch linux, because a pacman -Syu broke everything. Today, everything works fine and I decide to keep my PC up-to-date, so I run pacman -Syu and I get a message when trying to boot *** Kernel Panic - not syncing : No init found. *** Of course, because I saved the list of the packages before and after this upgrade, (with pacman -Qe) I tried to downgrade, but it doesn't work at all. I still have the same message error, I checked and changed the grub.cfg without no success : the rootfs is correct, the init is on /dev/sda2 (a link to /usr/lib/systemd/systemd) So I tried to append to vmlinuz line "init=3" "init=/sbin/init" "init=/usr/lib/systemd/systemd" ... Without any success even when downgrading the kernel version (from 3.8 to 3.7) I can of course reinstall everything but I prefer to avoid that, someone can help me please ??? I really don't understand what happened. Thanks in advance Dany

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[arch-general] Broadcom B43 problems
by Magnus Therning 26 Mar '13

26 Mar '13

I have seen some indications that my Broadcom B43 *ought* to work with the kernel's b43 driver, but I've never managed to get it working on my own. I'd love to be able to switch away from the broadcom-wl package is possible. Using a kernel from a few days ago, 3.7.9 and the b43-firmware package from AUR I only get as far as connecting to my router (at least that's what NetworkManager says), but then I can't actually connect to any site. If I then bring down the network and then bring it back up again the connection to the router will fail (NetworkManager keeps asking for the password). Any suggestions on what might be causing this, and what I should try next? /M % lspci -nn|grep Broadcom 03:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01) Wireless network uses WPA2 -- Magnus Therning OpenPGP: 0xAB4DFBA4 email: magnus(a)therning.org jabber: magnus(a)therning.org twitter: magthe http://therning.org/magnus I invented the term Object-Oriented, and I can tell you I did not have C++ in mind. -- Alan Kay

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[arch-general] strange behaviour of pacman, what did I do?
by Shridhar Daithankar 26 Mar '13

26 Mar '13

Hi I was updating an archroot, created with mkarchroot to play with lxc. I thought following would work but it was doing something else altogether ------------------------ [root@bheem lxc]# pacman -Su -c /var/cache/pacman/pkg/ --root=$PWD/server1 Cache directory: /var/cache/pacman/pkg/ Packages to keep: All locally installed packages Do you want to remove all other packages from cache? [Y/n] ^C Interrupt signal received ------------------------ I think I lost a few packages during this because following command lead to a 30MB worth of download. ------------------------ [root@bheem lxc]# pacman -Su --cachedir=/var/cache/pacman/pkg/ --root=$PWD/server1 ------------------------ What did pacman do the first time? The man page does not have bare -c option and it wasn't -Sc where it started cleaning the packages(or was it?) And just to be sure.. I wanted to run pacman on the host again.. and eh? I lost my synced dbs? Thats strange.. ------------------------ [root@bheem lxc]# pacman -Syu :: Synchronizing package databases... error: core.db appears to be truncated: 3990/0 bytes error: failed retrieving file 'core.db' from mirrors.kernel.org : Failed error: core.db appears to be truncated: 3990/0 bytes error: core.db appears to be truncated: 3990/0 bytes error: core.db appears to be truncated: 3990/0 bytes error: failed retrieving file 'core.db' from mirrors.easynews.com : Resolving timed out after 10000 milliseconds core is up to date 0.0 B 0.00B/s 00:00 [---------------------------------------------------------------------] 0% extra 1416.8 KiB 205K/s 00:07 [#####################################################################] 100% community 1917.7 KiB 206K/s 00:09 [#####################################################################] 100% :: Starting full system upgrade... there is nothing to do ------------------------ -- Regards Shridhar

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[arch-general] Forward all PPTP VPN packets to another proxy?
by Bill Sun 26 Mar '13

26 Mar '13

Hi, Currently I have a arch linux server running PPTP VPN (for iOS devices only), and I forward all PPTP VPN packets to local eth0: iptables -A POSTROUTING -s <ip_addr_for_pptp> -o eth0 -j MASQUERADE Now I got a external proxy, and I want all the traffic currently through the PPTP VPN then through that extenal proxy (it's a http proxy, and requires authentication). If my description is confusing, please consult this chart: iOS --> Server 1 (PPTP VPN) --> Server 2 (http proxy, authentication required) --> Web Server {1,2} both have dedicated external IP address. I have root permission for Server 1, and nothing for Server 2 (except for the http proxy account). I'm thinking about running a http server that handles all the authentication for Server 2 (such as dante?), then forward all packets to that server (running in Server 1). But I don't know how to write corresponding iptables rules. So how to write such rules? Regards.

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[arch-general] Bonding networks with netcfg
by Robbie Smith 25 Mar '13

25 Mar '13

So I’ve got access to two networks, a wireless one on wlan0 and a mobile broadband one (with a 3G modem) on ppp0, and both have a tendency to be rather unreliable. I decided to look up bonding the two, and while I can sometimes manage to enslave wlan0, ppp0 always fails. I’ve followed the information and guides from [1] and [2], as well as what Google could find (though most of the information there was seriously outdated). I did find a post on the BBS with exactly the same problem[3], and I tried what they had used, but it also failed. Is what I want to do even possible? [1] https://wiki.archlinux.org/index.php/Network#Bonding_or_LAG [2] https://wiki.archlinux.org/index.php/netcfg [3] https://bbs.archlinux.org/viewtopic.php?id=133890

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