Re: Debian 8 how to install and run init.d scripts?
Steffen Dettmer writes: > So you propose not to use init.d scripts. I usually prefer a simple shell > script that is easy to test, systemd is just way to complex. But probably > for Debian you are right, if I understood correctly, newer versions do not > even support init.d / LSB anymore, so using systemd units seems to be > required there. Like Greg says, systemd units are really much simpler. The thing with the compatibility mode is that that part has do *guess* what the init.d tries to call and adapt that to its inner working and can fail. it's documentation with Debian 9 (stretch) is in man:systemd-sysv-generator(8), but it's also so short that it would probably not help. furthermore quoting from "man systemd.service": NOTES 1. Incompatibilities with SysV http://www.freedesktop.org/wiki/Software/systemd/Incompatibilities and from the referenced doc: "If your distribution removes SysV init scripts in favor of systemd unit files typing "/etc/init.d/foobar start" to start a service will not work, since the script will not be available. Use the more correct "/sbin/service foobar start" instead, and your command will be forwarded to systemd." There are many more details on that page and maybe buried in there is a hint why the init.d you have does not work. > About your gitlab-runner.service failure: >> >> https://wiki.debian.org/systemd#Failed_units >> HINT: Extensive debugging information about systemd is on this >> FreeDesktop page. https://freedesktop.org/wiki/Software/systemd/Debugging/ > > > I didn't find anything about init.d or DPKG_MAINTSCRIPT_PACKAGE in these > pages. Correct, as they are about systemd units/services/timers etc. > Only I found using "status", but this does not help either: > > root@node17-0:/etc/init.d# systemctl status gitlab-runner2.service > - gitlab-runner2.service > Loaded: not-found (Reason: No such file or directory) > Active: inactive (dead) Was the ...-runner2 intentional? Your other quoted error showed "gitlab-runner.service". > funny that it does not even tell WHICH file was not found and why it was > loaded anyway. Yeah, that's probably jessies ancient systemd at fault. Newer output is more detailed and looks like that: server:/etc/apt/sources.list.d# systemctl status atd.service ● atd.service - Deferred execution scheduler Loaded: loaded (/lib/systemd/system/atd.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2019-07-24 04:48:30 CEST; 2 months 29 days ago Docs: man:atd(8) Main PID: 570 (atd) (...) > There is no such file "gitlab-runner.service" (I tried "find /etc" and > "locate"). > It seem that some systemd magic applies here. Maybe, if its content is > needed for technical reasons, systemd creates some "virtual unit" on the > fly, who knows. There is also a possible gitlab-runner@.service file to check, for the indeed rather magic stuff from systemd. Did you install gitlab as whole from packages or from source? Is the gitlab-runner version compatible to the other parts? Did you use the gitlab runner packages from the gitlab repo? https://docs.gitlab.com/runner/install/linux-repository.html Debian 8 should be jessie, so supported until summer if i get that page correctly, and remember the codename to version number correct. Where did you get the init.d file from? Can you put it in a gist or pastebin? Hmm, strange apparently there is a correct runner service in play when the installer parts find systemd: https://docs.gitlab.com/runner/configuration/init.html " The system services of GitLab Runner GitLab Runner uses the Go service library to detect the underlying OS and eventually install the service file based on the init system. Note: service will install / un-install, start / stop, and run a program as a service (daemon). Currently supports Windows XP+, Linux/(systemd | Upstart | SysV), and macOS/Launchd. Once GitLab Runner is installed, the service file will be automatically be created: systemd: /etc/systemd/system/gitlab-runner.service upstart: /etc/init/gitlab-runner" Annoying that those are generated and not packaged. Try to share them with us also, so we may to look for errors in there Peter
Re: Debian 8 how to install and run init.d scripts?
5.) Instead of init.d scripts create systemd units. https://wiki.debian.org/systemd#Creating_or_altering_services https://freedesktop.org/wiki/Software/systemd/ About your gitlab-runner.service failure: https://wiki.debian.org/systemd#Failed_units HINT: Extensive debugging information about systemd is on this FreeDesktop page. https://freedesktop.org/wiki/Software/systemd/Debugging/ What is in gitlab-runner.service on that one server anyways? Somewhen in 2016-2018 someone on debian planet posted multiple blogs of a great systemd introduction series, I can't find my bookmark right now :( Peter
Re: awstats problem
Greg Wooledge writes: Thu, Jul 25, 2019 at 11:48:46AM -0400, Gene Heskett wrote: >> root@coyote:~$ su www-data >> This account is currently not available. > > If you want a shell as a system account, use sudo instead. > > sudo -s -u www-data or set the shell using su: su -s /bin/bash -u www-data This behaviour is caused due to the shell in /etc/passwd: $ getent passwd www-data www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin Peter
Re: Need help analyzing (kernel?) memory usage and reclaiming RAM (Debian Stretch)
Martin Schwarz writes: > > Here's the output from some commands I hope to be helpful: > > The machine in this example is a RADIUS server but has not even gone > productive ... no incoming client requests yet. (But the problem is not > related to the RADIUS server software - OSC Radiator - since the same > symptoms show on different machines: not only RADIUS servers but also > nameservers, shell servers or jumphosts, etc.) > > [values while the problem persists:] ... > USER PID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND > root 34718 12.0 0.5 29596 5672 ?D09:01 0:00 > /usr/bin/python3 -Es /usr/bin/lsb_release --short --description > root 26491 3.1 0.2 79328 2860 ?D08:04 1:50 apt-get > update -qq > root 32551 6.8 0.2 119036 2800 ?D08:51 0:43 > /usr/bin/python3 /usr/bin/unattended-upgrade Disable this, do your upgrades by some schedule for the duration in which you're debugging this problem. Think about system orchestration tools with push mechanisms if you want to minimize RAM allocated to VMs. We're thinking about deploying ansible for patch management. > root 12792 2.2 0.1 159720 1748 ?D06:06 3:54 > /usr/bin/perl -w /usr/bin/apt-show-versions -i > root 15502 2.4 0.1 167660 1608 ?D06:25 3:51 > /usr/bin/perl -w /usr/bin/apt-show-versions -i Do they need to run on 6:06 and then parallel at 6:25? What's their process tree calling structure, ie. what's starting them? > root 34527 1.7 0.1 14096 1596 ?Ss 09:01 0:00 /bin/bash > /usr/bin/check_mk_agent Can you show a zoomed image of the memory graph prior to a problem? And a load graph of the same duration? I had some webservers which were also prone to death spiraling, the only real solution was to throw RAM at them until they were able to process the requests and to optimize the database indices to speed up the time spent fetching and sorting rows. Peter
Re: Need help analyzing (kernel?) memory usage and reclaiming RAM (Debian Stretch)
Reco writes: Hi Reco, > On Tue, Apr 16, 2019 at 04:39:32PM +0200, Peter Wiersig wrote: >> VSZ is the Virtual Memory Size. (...), >>including memory that is swapped out, >> memory that is allocated, but not used, >> and memory that is from shared libraries."" > > Given this: > > == cut == > > One can expect the process to "consume" 4Gb of VSZ, and about 700kb of > RSS. > > Do you really suggest to treat all this VSZ as a "used memory"? A hint - > compile the sample, run it a hundred times. No, but that is all in the explanation above albeit tersely. I underlined the part which comes into play with your example code. If Martin wants to find out what's using his memory during timespans with degraded performance, it will not be helpful to list the processes and sort by thenot swapped amount. If the system is thrashing due to swapping in and out, I always look at the VSZ values to find out where I should direct my attention to. If Martin or if you want, I can explode the the previous sentence about what VSZ is but you'd probably find better answers if you read about that. Feel free to ask, I think I can explain more, but not better than stackexchange answers or for example LWN kernel article series. Have fun, Peter
Re: Need help analyzing (kernel?) memory usage and reclaiming RAM (Debian Stretch)
Martin Schwarz writes: > root@rad-m2m-srv02:~# ps aux --sort=-rss | head -15 you're choosing the wrong sort field to debug your problem here: man ps: """ rss RSS resident set size, the non-swapped physical memory that a task has used (in kiloBytes). (alias rssize, rsz). ... vsz VSZ virtual memory size of the process in KiB (1024-byte units). Device mappings are currently excluded; this is subject to change. (alias vsize).""" try the latter field if the problem is repeating. VSZ can be very misleading with graphical processes, but that should not occur here. https://stackoverflow.com/questions/7880784/what-is-rss-and-vsz-in-linux-memory-management https://stackoverflow.com/a/21049737/2911961 ""RSS is the Resident Set Size and is used to show how much memory is allocated to that process and is in RAM. It does not include memory that is swapped out. It does include memory from shared libraries as long as the pages from those libraries are actually in memory. It does include all stack and heap memory. VSZ is the Virtual Memory Size. It includes all memory that the process can access, including memory that is swapped out, memory that is allocated, but not used, and memory that is from shared libraries."" Peter
Re: Exploring package interrelationships
Richard Owlett writes: > Long term goal: *personal* definition of a minimalist Debian > > current goal: grok how packages interact http://www.macfreek.nl/memory/Dependency_Graph_Debian_Packages TLDR: $ apt-cache dotty mate-desktop > dependency-graph.dot $ dot -Tpng dependency-graph.dot That either creates files named after the input or at least shows a graphic of the package you specified. I think I remember and older planet.debian.org post where someone else had done similar. Have not found it in a very short research session. Alternatively explore interactive with aptitude when you disable the solver there and pick the resulting installation by hand, and decide which suggest/recommend you follow, and which non-essential package you might even not install. Peter
Re: BTRFS snapshot space consumption (was: New laptop: need advice on choice...)
Dan Ritter writes: > Peter Wiersig wrote: > > ZFS is now in two incompatible versions: Oracle's, and ZFSonLinux, > which is now effectively the parent for all the other efforts including > FreeBSD's ZFS. The biggest problem is the incompatible license which makes the code untouchable. How Oracle is able to distribute a Linux kernel with ZFS support without either releasing the whole thing under a GPL compatible license or violating the kernel GPL is a miracle I didn't found the time or need to investigate. I consider ZFS a poisoned gift from Oracle to the Linux community and will not be surprised when they go for one vendor, on their whim. If they wanted to, they could release their code under a compatible license. My knowledge on the whole affair is bit vague as I had no real interest past reading LWN or cks articles on ZFS, and I noted the problems around the CDDL once Illumos was released. I understand from cks that the real development nowadays happens on ZFSonLinux as the other OSes were stopped in development, but I would not touch that patch on the future prospect on a lawsuit analog to the SCO one. from https://github.com/zfsonlinux/zfs/wiki/FAQ#licensing """Licensing ZFS is licensed under the Common Development and Distribution License (CDDL), and the Linux kernel is licensed under the GNU General Public License Version 2 (GPLv2). While both are free open source licenses they are restrictive licenses. The combination of them causes problems because it prevents using pieces of code exclusively available under one license with pieces of code exclusively available under the other in the same binary. In the case of the kernel, this prevents us from distributing ZFS on Linux as part of the kernel binary. However, there is nothing in either license that prevents distributing it in the form of a binary module or in the form of source code.""" Peter
Re: BTRFS snapshot space consumption (was: New laptop: need advice on choice...)
Matthew Crews writes: > > Here is a good talk on the subject by Michael Lucas, one of the premier > experts on ZFS. Its worth noting that a lot of the concepts apply to > BTRFS to varying degrees: > > https://www.youtube.com/watch?v=x9A0dX2WqW8 I don't have time yet, I think I will watch the whole thing later the week. But I hate the ZFS pushing going around, I think it's a almost fine idea from the technical standpoint, it will work if you decide to use it, but I surely don't trust the commercial parties behind ZFS as - they have acted malicious in the past, - cost us in the linux community a whole lot of energy with that lawsuit - were bought by the most twisting corporation which put Microsofts embrace, extend and extinguish campaigns back on the amateur level. I would never put my business on ZFS, I'd always go the "more backups, and maybe less perfect GPL solution" route. I would really like if the hostile Linux patchset would be off-topic here and sorry BSD guys, while I know that there were (or are) things like debian-kfreebsd, but I'm just your average (A/L)GPL-fanboy which only grudgingly accepts BSD licensed code. Because FSFs license protects me better as a developer and as a user, is a non-malicous cancer from my point of view. And yes, the FSF GFDL is a mistake. Peter
Re: BTRFS snapshot space consumption (was: New laptop: need advice on choice...)
Peter Wiersig writes: > > I would be pissed if my OS removes snapshots I might or might not need > in the future. That's a release critical bug in my eyes. Yeah, I know > Microsoft and Apple do that automatically if your capacity runs out, but > that's also why I don't recommend them at all. Ok, I checked https://en.opensuse.org/Portal:Snapper and they do support LVM and ext4, and they have a bullet of auto-removing old snapshots. I hope they did it right, perhaps I need to make a new test drive with the latest release. Snapshots on ZFS can't be zero cost, so you need to account for them there, too. Peter
Re: BTRFS snapshot space consumption (was: New laptop: need advice on choice...)
Felix Miata writes: > Anders Andersson composed on 2019-04-13 17:31 (UTC+0200): > >> Felix Miata wrote: > >>> Because of its snapshotting, BTRFS requires considerably more space than >>> older >>> filesystems, as much as double. > >> A btrfs snapshot takes approximately zero space. Where did you get >> this idea from? > > 1: "Disk Space Full Because of Snapper" on https://en.opensuse.org/SDB:BTRFS i only skimmed that, good resource for anyone even not on SUSE. > 2: Since 2015, BTRFS has been the default / filesystem on openSUSE, which > recommends minimum / filesystem size of 20GB for EXT4, compared to 40GB for > BTRFS. >From my experience I think they only use snapshotting on BTRFS volumes, I don't know if they support it with LVM, but is it even possible with ext4 only? And yeah, no surprise, if you want snapshots, you'll need more capacity, it would probably the same recommendation with LVM And the effects of using snapshots is assuring, you simply set the system to auto-update everything, and if your system doesn't boot, you simply select the older snapshot from the grub menu and have your system running in no time. (This was my scenario with a SUSE desktop, I tried tumbleweed aka SUSEs unstable/experimental distribution, where some instability was expected) I would never recommend something like that for server updates/upgrades, as there a other far more procedures you can follow to test verify and prevent service loss on failed updates, if you simply cluster your services. I would be pissed if my OS removes snapshots I might or might not need in the future. That's a release critical bug in my eyes. Yeah, I know Microsoft and Apple do that automatically if your capacity runs out, but that's also why I don't recommend them at all. Have a monitoring on all your systems, track each and every possible value in compact rrd databases, calculate trends from those values and you'll never be surprised by filled up disks, growing defects detected by SMART etc. I'd like a debian desktop/notebook/tablet where snapshots were implemented in a openSUSE manner, so that I can simply forget about updates, have them installed in background und can go to the snapshot if problems arise. Peter
Detour: notmuch advertisement (was: emacs save and kill buffer for (neo)mutt)
Pétùr writes: > I use neomutt with emacs. If you're using the kitchen sink, why not stay completely in emacs? https://emacs.stackexchange.com/q/12927 (Disclaimer: I wrote one of the answers to that meta question) I used mutt for decades, I still think it's a fine tool, but I found more happiness in my chosen "notmuch" mail setup. David & the bunch are doing a terrific job with the project as whole and the debian packages in focus, and even if you're building the project directly from the repository, it's no bother with dabian (even stable). What I gained by dropping mutt was an uninterupted access to the rest of my life in emacs, and the user interface is streamlined to hundreds or thousands of replied messages a day. A I finish this post, the next keypress will be C-c C-c like many other emacs modes, which will send the mail to the list, bury the buffer and redisplay the search results, where I filtered for debian-user and unread before. Yours, Peter
Re: terminal with right-click = paste?
Lee writes: > > How does one tell if putty (0.67-3+deb9u1) has all the security fixes > that are in 0.71? I think that's what p.d.o is trying to communicate with the bold red [SECURITY] badge I cut out while pasting the info. Peter
Re: terminal with right-click = paste?
Lee writes: > > But again.. wow. And not in a good way. Install putty on debian, run > putty, right click on the putty menu bar (title bar?) and the menu is > lacking _anything_ to do with how putty behaves. I never tried PuTTY on linux, but I also grew up with X so middle mouse paste is my default operandus. Under Windows the menu is also available with Ctrl-Rightclick in PuTTY, maybe that behaves the same? Under Linux a right click on the titlebar is window manager dependant behaviour (same as with windows, but PuTTY hooks into MS API). > Not being able to change things on the fly with the > debian version of putty is .. disappointing at best. I only saw screenshots of linux PuTTY but the settings menu was featured in the Gnome Desktop screenshot. Peter
Re: terminal with right-click = paste?
Lee writes: > > How do I find out what other terminal programs are already installed > that I can try? Installed? I don't know your package list Installable? see below. > What terminal programs are available that have a 'right click pastes > text' option _and_ has a scroll bar that is > 1. easily visible > 2. goes up/down a page at a time when left-clicking above/below the scroll bar > 3. has up/down buttons on the scroll bar that scrolls a line at a time > when clicking on the button Package: putty (0.67-3+deb9u1) Telnet/SSH client for X https://packages.debian.org/stretch/putty also available in jessie or buster Peter
Re: putty go slow
Michael Stone writes: > There's more debugging that could be done if needed, but for .01% I'd > write it off as a momentary blip, maybe related to load during startup > of a network service, and ignore it unless it started growing. Yeah, currently I'm working as a monitoring specialist and after getting the counters I ran the numbers and put my scale against the result. I recently watched a conference talk[1] on network monitoring and the consultant quoted the default settings of .01% for warning and .1% for critical package errors when averaging the traffic over 15 minutes or so, coming from the monitoring solution defaults, which we use here in our datacenter. Peter [1] german presenter, english slides https://youtu.be/KiKOaeEaKis?t=377 english dubbed https://youtu.be/E9_S1rDJZIQ?t=371
Re: putty go slow
mick crane writes: > Just looking I had a misspelled entry in hosts file on windows for the > PC that is name server which can't have been helping matters. No, but problems that arise from that manifest in different ways contrary to what you posted in the initial mail. > I'll get some decent cables, a couple of these the plastic clip has > broken off. Here I would put my money, if I was betting where your problems come from. There's nothing nicer in the datacenter but to open a transport bag for a fine new cable and click it in the patch port and the NIC of a new installed machine, audible (lucky me if I can hear it) and tactile feedback that send shivers of joy down my spine. Post to here or a new thread if you need another idea, if that cable swap doesn't help. I hope it does. Mick, have you ever read ESRs and Rick Moens howto on how to ask good questions? http://www.catb.org/~esr/faqs/smart-questions.html I ask because I almost skipped your initial post because of the way you asked your question without giving us the technical background into your setup, which is always hard to get, and during our exchange you'd always skip past questions and give almost relevant info but with little to zero context. Have fun. Peter
Re: putty go slow
Michael Stone writes: > On Wed, Apr 10, 2019 at 12:00:01PM +0200, Peter Wiersig wrote: >>> /sbin/ifconfig >>> enp0s25: flags=4163 mtu 1500 >>> inet 10.0.0.3 netmask 255.255.255.0 broadcast 10.0.0.255 >>> inet6 fe80::219:d1ff:fe41:c769 prefixlen 64 scopeid 0x20 >>> ether 00:19:d1:41:c7:69 txqueuelen 1000 (Ethernet) >>> RX packets 47732498 bytes 13998322190 (13.0 GiB) >>> RX errors 0 dropped 5642 overruns 0 frame 0 >> >>Your errors are higher when your received packets are half of mine. But >>still, 5k of of 47m is a error rate of 0.01%, so a hint, but not >>conclusive. > > 5000 drops is insignificant, and you're having him waste his time > chasing something that isn't a problem. No, I encouraged him to reboot the linux side of the puzzle, reproduce his problem and then check the counters. I doubt that that would entour 13 GiB datatransfers if the problem is reproducible, I got the impression the problem is intermittend and I suggested he goes and swaps the cables for about $10 and see if that helps or not. I also stated that that error-rate is not the solution, and I guess that I wont be able to help him solve this problem. Dan thought the 5k counter value would indicate a more serious problem. I also asked for kernel messages regarding his network card, because I think in his case the error might lie in the link negotiation or duplex settings for the relevant machines. I strive for local networks that would have single digit drops in 47m packets and I'm willing to spend the money for the equipment to achieve that. My quoted ifconfig output comes from a rented server in some datacenter where I don't have the power to choose anything HW related apart from my price point for the server cost, and they almost reach my goal in error counters. I have no idea how critical micks hardware is and what budget choices he makes. You have a nice day please, Michael. Thanks for your contribution to debian btw. Regards, Peter
Re: putty go slow
mick crane writes: > On 2019-04-09 07:46, Peter Wiersig wrote: >> >> Is anything else connected to this hub? If your problems occur, is >> anything else using the hub concurrently? Can you reduce the >> connections only to server and client and maybe a internet uplink? >> Network printers can do unimaginably bad things in regard to hubs, and >> even switches. A second time to point you to a possible problem with network printers. If you can reproduce the problem and then try to reproduce without the network printer you might have possible solution. I came across a best practice lately to isolate network printers to their own broadcast segments (VLAN/bridges) and concur. >> Can you change the hub to a real switch? >> >>> but I think it might be a hub. >>> Perhaps that is the culprit ? >> >> Perhaps. Check the "ifconfig" output on the Linux side, maybe reset the >> server, connect from windows and if you're having problems check the >> dmesg output regarding the interface. >> > how do I tell if it's a switch or a hub ? > I thought a switch sends data over the required port but a hub sends > over all the ports ? Correct, after a learning phase. > It's got "8 port switch" printed on it but if there is network activity > all the lights seem to flash. Ok, that simple you can't distinguish between hubs and switches: If you connect a new device to your network, the switch has still to ask for IP->MAC resolutions on unknown IPs, and broadcast packets need to be transmitted on all ports. But a file transfer for say a linux distribution ISO should only be flickering 2 LEDs. I found that there is a price point below which the device is no true switch anymore and should be replaced. Over here it's 50 EUR or so, for your quoted 8 ports. Correction: Probably lower at 35 EUR. Mazbe I had more ports with that other price point. > /sbin/ifconfig > enp0s25: flags=4163 mtu 1500 > inet 10.0.0.3 netmask 255.255.255.0 broadcast 10.0.0.255 > inet6 fe80::219:d1ff:fe41:c769 prefixlen 64 scopeid 0x20 > ether 00:19:d1:41:c7:69 txqueuelen 1000 (Ethernet) > RX packets 47732498 bytes 13998322190 (13.0 GiB) > RX errors 0 dropped 5642 overruns 0 frame 0 Your errors are higher when your received packets are half of mine. But still, 5k of of 47m is a error rate of 0.01%, so a hint, but not conclusive. Does the system have any kernel messages for enp0s25 since the last boot-up? Alternatively produce new messages by disconnecting the cable for about 5 seconds and reconnect the network cable. > I've got a Buster PC with apache2, cups, dovecot, roundcube as mail and > print server. > a Buster PC I mess about on, a win 10 PC and a printer all connected to > the "switch" > the gateway is a PC with pfsense on it which is connected to "switch" > and its other network card connected to ISP router thing. > > Maybe the sluggishness I sometimes observed is Windows updating itself ? Is your network speed near your downlink speed? Do you have more than one Windows 10 machine connected to your network? I doubt that you can saturate your windows 10 network interface (probably 1 gbps) with enough bandwidth so that you could see detoriation in a ssh connection, even less possible if your devices adhere to QoS packet hints. >> For reference, here's my output: >> >> eth0: flags=4163 mtu 1500 >> inet 217.172.177.159 netmask 255.255.255.0 broadcast >> 217.172.177.255 >> ether 00:19:66:f1:43:9e txqueuelen 1000 (Ethernet) >> RX packets 81994186 bytes 14753508445 (13.7 GiB) >> RX errors 14 dropped 0 overruns 14 frame 0 >> TX packets 107524155 bytes 14836289080 (13.8 GiB) >> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 >> >> >> Take note of the 2nd line of RX and TX status lines, there should be no >> counters there, in my case 14 overruns in regard to 819 million packets >> is a very low error rate. and indeed I misread my number and it's a magnitude lower. 81.9m as Celejar noted. but mick's error-rate is 2-3 magitudes higher. >> If in doubt verify that both sides are set to auto-negotiate and >> replace both wires from the machines to the hub with new cables. Like I said, invest in a new set of cables and see if things get better. You don't need to buy gold-plated ones, but it shouldn't be factory dropout quality either. Peter
Re: putty go slow
mick crane writes: > > the PCs are physically adjacent connected with the RJ45 ( isn't it ) > cables through what is supposed to be a switch I got in B&Q several > years ago. Almost, RJ-45 is the specification for the plug and jacks, what you're having here is ethernet wiring in twisted pairs between client and server connected by a hub. Or switch, please clarify that as that changes a lot. Is anything else connected to this hub? If your problems occur, is anything else using the hub concurrently? Can you reduce the connections only to server and client and maybe a internet uplink? Network printers can do unimaginably bad things in regard to hubs, and even switches. Can you change the hub to a real switch? > but I think it might be a hub. > Perhaps that is the culprit ? Perhaps. Check the "ifconfig" output on the Linux side, maybe reset the server, connect from windows and if you're having problems check the dmesg output regarding the interface. For reference, here's my output: eth0: flags=4163 mtu 1500 inet 217.172.177.159 netmask 255.255.255.0 broadcast 217.172.177.255 ether 00:19:66:f1:43:9e txqueuelen 1000 (Ethernet) RX packets 81994186 bytes 14753508445 (13.7 GiB) RX errors 14 dropped 0 overruns 14 frame 0 TX packets 107524155 bytes 14836289080 (13.8 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 Take note of the 2nd line of RX and TX status lines, there should be no counters there, in my case 14 overruns in regard to 819 million packets is a very low error rate. I suspect that if there's a network problem it would manifest in some higher relative values on your side. If in doubt verify that both sides are set to auto-negotiate and replace both wires from the machines to the hub with new cables. Peter
Re: Tracking the next Stable release
Francisco M Neto writes: > Sometimes people ask me when is Debian going to release its next Stable; > that is not an easy answer, since it is not time-based but rather based on the > number of Release-Critical bugs. It's done when it's done and https://lists.debian.org/debian-announce/ get's notified. You'd probably want to subscribe there. Peter
Re: putty go slow
You'd at least have to explain the type of connection from the putty client to the server. But your symptoms don't ring a bell over here aside from a saturated uplink. Peter
Re: php.ini ignored
Andrew Wood writes: > Configuration File (php.ini) Path /etc/php/7.0/apache2 > Loaded Configuration File /etc/php/7.0/apache2/php.ini > Scan this dir for additional .ini files /etc/php/7.0/apache2/conf.d IIRC the latter files override the main config file. So if your changes in apache2/php.ini are ignored, check if they are in any of the conf.d files. Peter
Re: chroot jail for user with rssh
basti writes: > On 28.03.19 08:21, Peter Wiersig wrote: >> basti writes: > Try scp: > > /usr/sbin/sshd -d -p > > Starting session: command for alice from 2.206.185.146 port 45296 id 0 So that reads as if all is fine, but then the next line indicates that the client has terminated the connection, without telling the server AFAIK. > debug1: Received SIGCHLD. > debug1: session_by_pid: pid 12078 > debug1: session_exit_message: session 0 channel 0 pid 12078 > debug1: session_exit_message: release channel 0 > Received disconnect from 2.206.185.146 port 45296:11: disconnected by user > Disconnected from 2.206.185.146 port 45296 > ... > debug1: audit_event: unhandled event 12 that last line is a bit strange. Are your client/server programs compatible? Peter
Re: chroot jail for user with rssh
basti writes: > > Files inside chroot: > > /home/user# find ./ > ./ > ./bin > ./bin/ls > ./bin/date > ./bin/bash > ./.ssh > ./.ssh/authorized_keys > ./lib > ./lib/x86_64-linux-gnu > ./lib/x86_64-linux-gnu/libattr.so.1 > ./lib/x86_64-linux-gnu/libncurses.so.5 > ./lib/x86_64-linux-gnu/librt.so.1 > ./lib/x86_64-linux-gnu/libbsd.so.0 > ./lib/x86_64-linux-gnu/libpthread.so.0 > ./lib/x86_64-linux-gnu/libacl.so.1 > ./lib/x86_64-linux-gnu/libdl.so.2 > ./lib/x86_64-linux-gnu/libpopt.so.0 > ./lib/x86_64-linux-gnu/libpcre.so.3 > ./lib/x86_64-linux-gnu/libselinux.so.1 > ./lib/x86_64-linux-gnu/libtinfo.so.5 > ./lib/x86_64-linux-gnu/libc.so.6 > ./etc > ./etc/group > ./etc/rssh.conf > ./etc/passwd > ./foo > ./usr > ./usr/bin > ./usr/bin/rssh > ./usr/bin/sftp > ./usr/bin/rsync > ./usr/bin/scp > ./usr/lib > ./usr/lib/x86_64-linux-gnu > ./usr/lib/x86_64-linux-gnu/libedit.so.2 > ./dev > ./dev/random > ./dev/zero > ./dev/null > ./dev/tty > ./lib64 > ./lib64/ld-linux-x86-64.so.2 Did you use Russ' supplied script /usr/share/doc/rss/examples/mkchroot.sh to create that environment? My contents after that script look quite different to your presented files. Did you act on the logging notice after using the script, so that the syslogd listens to the ./dev/log in the chroot? Peter
Re: chroot jail for user with rssh
basti writes: > sftp -vv u...@example.com > Transferred: sent 2508, received 2260 bytes, in 0.2 seconds > Bytes per second: sent 15924.1, received 14349.5 > debug1: Exit status 1 > Connection closed > > > scp -vv u...@example.com:/foo /tmp > Transferred: sent 2508, received 2304 bytes, in 0.2 seconds > Bytes per second: sent 15051.0, received 13826.7 > debug1: Exit status 255 > (...) > I have no idea anymore whats wrong and how can I debug. You can't debug such setups from the client side. Have a look in /var/log/auth.log on the server and if that doesn't help: a) if necessary modify the firewall b) launch sshd on a different port with no backgrounding and debug output => sshd -d -p 1234 c) retry above steps with the alternate port Peter
Re: add IGNORE_SMTP_LINE_LENGTH_LIMIT macro to Exim
Lucio writes: > > undocumented line IGNORE_SMTP_LINE_LENGTH_LIMIT=1 found in > /etc/exim4/update-exim4.conf.conf, generating exim macro > > and that does not sound good to me. Yeah, remove that. I think there is quite a lot of *.Debian.gz documentation in the various exim4 packages. > What's the correct way to specify a > macro (that one or others) in the Exim configuration? I created /etc/exim4/conf.d/main/00_peter-localmacros for the stuff I need to control via macros. But I don't know if you use split config-file or you like the giant file. /usr/share/doc/exim4-config/README.Debian.gz: "2.1.3 Using Exim Macros to control the configuration ... For a non-split configuration, /etc/exim4/exim4.conf.localmacros gets read before /etc/exim4/exim4.conf.template." Good luck, Peter
Re: a dh keys question?
Karen Lewellen writes: > 1. > I am not using Linux, but an ssh client compiled from a combination of > tools, Linux and otherwise, including putty. Putty has a "Event Log" entry in its system menu. Peter
Re: apache 2.4 envvars ? Deb 9.4
Dave writes: > when i run apache2, i get an error APACHE_PID_FILE missspelled or > unknown var. > > and how do i include the "envvars" in the apache2.conf file ? > > please advise. /usr/share/doc/apache2/README.Debian.gz: Apache2 Configuration under Debian GNU/Linux (...) Please be aware that this layout is quite different from the standard Apache configuration. Due to the use of environment variables, apache2 needs to be started/stopped with '/etc/init.d/apache2', apachectl, or apache2ctl. Calling '/usr/bin/apache2' directly will not work with the default configuration. To call apache2 with specific command line arguments, just call apache2ctl with the same arguments. I guess both of your problems vanish after you use apache2ctl instead. Peter
Re: Have blkid reports on newly added devices
On Thu, 4 Aug 2011 17:55:19 + (UTC), T o n g wrote: > > $ blkid | grep sdc || echo no found > no found > > Any workaround? sudo blkid -- 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/87ei10dur5@london087.server4you.de
Re: diff original .conf files in packages with the ones installed
On Fri, 1 Jul 2011 09:44:41 +0200, alberto fuentes wrote: > > The easier way it comes to mind is to dpkg --get-selections, debootstrap, > chroot and install the selection and then make the diff. dpkg-repack and the debdiff command from the package devscripts? Perter -- 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/87zkkyqhi8@london087.server4you.de
Re: Features Missing in Debian's Package Management System
On Wed, 15 Jun 2011 19:32:13 +0200, "Hans-J. Ullrich" wrote: > Additional to this, my suggestion: > > 1. An option, to read the changelog BEFORE a package is installed or upgraded. apt-listchanges > 2. An option, to see, which files will be installed BEFORE the first > installation or at renewing (although, I think, apt-file might be able to > handle this somehow, not sure) Hm, what's interesting here? Config files are preserved if replaced by the upgrade or left alone with the new file provided under a new name. > 3. And last but not least: An option, to blacklisting broken packages! (very > important) Built in aptitude and with pinning possible with apt, but I know of no tool to modify the config. > mentioned kernel version above are broken. How are those problems handled? If testing and unstable are meant to be used along together. no problem running a mostly testing system with one or two hand picked packages from unstable. Peter -- 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/87d3iesypd@london087.server4you.de
Re: Proper Use of adduser.conf
On Fri, 10 Jun 2011 06:29:26 -0500, Martin McCormick wrote: > Peter Wiersig writes: > > What result is printed on "getent passwd testuser"? > > # getent passwd testuser > testuser:x:28000:28000:a b c,,,:/srv/backups/testuser:/bin/bash looking ok. > > what's the result of "ls -ld ~testuser /srv/backups /srv /"? > > # ls -ld ~testuser /srv/backups/testuser > drwxr-xr-x 2 testuser testuser 54 Jun 9 13:28/srv/backups/testuser > drwxr-xr-x 2 testuser testuser 54 Jun 9 13:28/srv/backups/testuser Here you left out the three directories "/srv/backups /srv /" Could you please run "ls -ld /srv/backups /srv /"? Peter -- 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/87fwncsq8y@london087.server4you.de
Re: X host will not connect
On Fri, 10 Jun 2011 06:11:09 +0200, Mark Panen wrote: > > "synaptic > X11 connection rejected because of wrong authentication. > > (synaptic:12730): Gtk-WARNING **: cannot open display: localhost:10.0" Try "ln -sf /home/mark/.Xauthority /root/" as root if mark is the user logged in via ssh -X. Note that this link is then permanent and if you wish to revoke roots access to your display you can rm /root/.Xauthority Peter -- 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/87oc26rtua@london087.server4you.de
Re: Proper Use of adduser.conf
On Thu, 09 Jun 2011 15:13:27 -0500, Martin McCormick wrote: > > When I ran adduser, it appeared to work and placed the > home directory in /srv/backups but if you su - testuser, it > complains that there is no home directory. What result is printed on "getent passwd testuser"? what's the result of "ls -ld ~testuser /srv/backups /srv /"? Peter -- 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/87lixart2b@london087.server4you.de
Re: A dpkg puzzle on debian testing.
On Mon, 07 Mar 2011 11:53:00 -0500, rvclay...@verizon.net (R. Clayton) wrote: > > Thus the puzzle: how is it that a package that's not installed prevents an > installed package from being purged? smbclient != sambaclient Peter -- 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/87ipvua548@london087.server4you.de
