users April 2015

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114 participants
117 discussions

systemd-udevd[220]: unknown key '\nSYMLINK' in /etc/udev/rules.d/99-resume.rules:1
by Angelo Moreschini 03 Apr '15

03 Apr '15

some times I get this error at the boot... (I find it in journalctl) : systemd-udevd[220]: unknown key '\nSYMLINK' in /etc/udev/rules.d/99-resume.rules:1 after this other errors come : - systemd-egroups agent [355] failed to get D-Bus connection failed to get D-Bus connection : failed to connect socket/run/systemd/private no such file.. - failed to open private bus connectio: failed to connect socket /var/run/dbus/system-bus-socket no such file I found this link : http://www.planet-libre.org/index.php?post_id=10937 There is wrote that this error can come because in the last versions d’UDEV, that password (...) is not supported anymore, and there is also suggested to create an empty file ... Anywhere I am not really so sure what is the mature of this problem and how I can manage it. Could I have a bit more of explanation and a practical suggestion about how to solve my real problem ? Thank you regards

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Re: wget issue
by bruce 02 Apr '15

02 Apr '15

aha.. we have success... steps to repeat: generate the base page to get the initial content, as well as the cookie wget -S "https://isiscc.smc.edu/pls/apex/f?p=123:1:12101780574999:::::" -O smc.dat extract the required cookie: ORA_WWV_APP_123=ORA_WWV-HtXgmY8ZHOxc5O9zc8N8j6tP >>>>ORA_WWV-HtXgmY8ZHOxc5O9zc8N8j6tP<<< this goes in the wget as the cookie header use the returned smc.dat file to determine the required attributes that change. In this case, we need &p_instance=257747591540 &p_page_submission_id=4686527047365 &p_page_checksum=DB5BF68CB0895706468BB180F90F4C3B search/copy these vals from the data in order to generate the post data, you can do it in a couple of ways. I viewed the returned post data from a few different pages of the site in my fav viewer/debugger, and determined that all of the variables appear to be the same/consistent. For real accuracy, and in a crawler, it would be useful to simply do a xpath on the hidden name/vals and use that data to generate the post-data. but we cheat for now: so the base post-data consists of p_flow_id=123&p_flow_step_id=1&p_request=SUBMIT&p_arg_names=6371933991931405031&p_t01=Spring+2015&p_arg_names=6362920808091113318&p_t02=1+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12&p_arg_names=6362811294857854001&p_t03=%27OPEN%27+%2C+%27CLOSED%27&p_arg_names=6374897696943587288&p_t04=20151&p_arg_names=3851224476948135099&p_t05=1&p_arg_names=3851225084220137224&p_t06=2&p_arg_names=6361666501512343398&p_arg_names=6362829299321902607&p_arg_names=6363404907668258054&p_arg_names=6363528795332614067&p_arg_names=6363575091232717019&p_arg_names=6363649096707888902&p_arg_names=3851458085236906098&p_t13=April+++++02%2C+2015+%40+12%3A05+pm&p_arg_names=6372068906550664708&p_t14=cls_web_list_20151&p_arg_names=6372277789412047762&p_t15=web_cat_sched_20151&p_arg_names=6361721707633487104&p_t16=where+cat_grp_seq_num+in+%28cat_grp_seq_num%29+and+cls_status+in+%28%27OPEN%27+%2C+%27CLOSED%27%29+and+print_seq+in+%28print_seq%29+and+print_seq+in+%281+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12%29+and+nvl%28gnr_emply_name%2C%27*%27%29+in+%28nvl%28gnr_emply_name%2C%27*%27%29%29+and+nvl%28ssn_days%2C%27*%27%29+in+%28nvl%28ssn_days%2C%27*%27%29%29+and+sct_begin_week+in+%28sct_begin_week%29+and+nvl%28begin_time%2C%270%27%29+in+%28nvl%28begin_time%2C%270%27%29%29&p_md5_checksum=&p_instance=257747591540&p_page_submission_id=4686527047365&p_page_checksum=DB5BF68CB0895706468BB180F90F4C3B&p_v07=80 the class ID p_v07 changes based on the sel/opt within the page -80 happens to be for chem. &p_v07=80 so combining everything together... we get the wget wget --no-cookies --header "Cookie: ORA_WWV_APP_123=ORA_WWV-HtXgmY8ZHOxc5O9zc8N8j6tP" --user-agent="Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.11) Gecko/2009061118 Fedora/3.0.11-1.fc9 Firefox/3.0.11" -O - --post-data="p_flow_id=123&p_flow_step_id=1&p_request=SUBMIT&p_arg_names=6371933991931405031&p_t01=Spring+2015&p_arg_names=6362920808091113318&p_t02=1+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12&p_arg_names=6362811294857854001&p_t03=%27OPEN%27+%2C+%27CLOSED%27&p_arg_names=6374897696943587288&p_t04=20151&p_arg_names=3851224476948135099&p_t05=1&p_arg_names=3851225084220137224&p_t06=2&p_arg_names=6361666501512343398&p_arg_names=6362829299321902607&p_arg_names=6363404907668258054&p_arg_names=6363528795332614067&p_arg_names=6363575091232717019&p_arg_names=6363649096707888902&p_arg_names=3851458085236906098&p_t13=April+++++02%2C+2015+%40+12%3A05+pm&p_arg_names=6372068906550664708&p_t14=cls_web_list_20151&p_arg_names=6372277789412047762&p_t15=web_cat_sched_20151&p_arg_names=6361721707633487104&p_t16=where+cat_grp_seq_num+in+%28cat_grp_seq_num%29+and+cls_status+in+%28%27OPEN%27+%2C+%27CLOSED%27%29+and+print_seq+in+%28print_seq%29+and+print_seq+in+%281+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12%29+and+nvl%28gnr_emply_name%2C%27*%27%29+in+%28nvl%28gnr_emply_name%2C%27*%27%29%29+and+nvl%28ssn_days%2C%27*%27%29+in+%28nvl%28ssn_days%2C%27*%27%29%29+and+sct_begin_week+in+%28sct_begin_week%29+and+nvl%28begin_time%2C%270%27%29+in+%28nvl%28begin_time%2C%270%27%29%29&p_md5_checksum=&p_instance=257747591540&p_page_submission_id=4686527047365&p_page_checksum=DB5BF68CB0895706468BB180F90F4C3B&p_v07=80" -L "https://isiscc.smc.edu/pls/apex/wwv_flow.accept" now, it might be useful to test to see if this will also work against the base initial page of wget -S "https://isiscc.smc.edu/pls/apex/f?p=123:1:0::NO:RP:" -O smc.dat I suspect it should thanks for your help on this.. I'm reposting back to the fed list in case anyone needs something like this in the future! I was never able to get this working for the curl/pycurl process. It appears to have something to do with the cert/ssl issues... thanks On Thu, Apr 2, 2015 at 4:49 PM, Alchemist <raimiiic(a)gmail.com> wrote: > > > 2015-04-02 23:30 GMT+03:00 bruce <badouglas(a)gmail.com>: >> >> Hmm.. >> >> ok..here;s the process I'm going to test... (and by the way. thanks >> much for the cycles you've used to help with this. Helps to sometimes >> have someone to bounce things off of! much appreciation) >> >> it appears that we can generate the "cookies" (or at least you can) >> from the initial 2 line cookie script/test - and that this can then be >> inserted in the wget, using "post data" >> >> So the issue then appears to be how to generate the required post data. >> >> If we assume the site generates key attributes in the base/top level >> page, and that these attributes can then be used in the post-data for >> the subsequent calls, it becomes a matter of then determining which >> attributes are required to be used from the base page (as it changes), >> and which attributes can simply be "set" and not changed. >> >> I'm going to test this by taking the base page, ripping off the xpath >> to get the name/val data, and to see if this works.. >> >> By the way, with the updated data you replied with, just how did you >> regenerate the post data? >> >> thanks >> > > Yes. A quick look uncovered, that wwvFlowForm contains some (perhaps all of > required to send valid request) of theese attributes. Also take a look at > pPageChecksum, and apex_layout_***longint*** in html code. > > JS responsible to generate request is located here > https://isiscc.smc.edu/i/libraries/apex/minified/legacy.min.js > > and some other here > https://isiscc.smc.edu/i/libraries/apex/minified/desktop_all.min.js > https://isiscc.smc.edu/i/libraries/apex/minified/widget.checkboxAndRadio.mi… > > It's captured resquest from site generated request, just to show differences > in POST fields. Yes and both (ORA_WWV-nFa8PnpRSIhvaZ1y372N5oNh and still > working for me ORA_WWV_APP_123=ORA_WWV-GZ16jkW5CQEUTFD0Qi9Xis6Y)

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wget issue
by bruce 02 Apr '15

02 Apr '15

Hey guys. I know this isn't a fed/linux issue, but thought I might get some pointers. This has also been posted to the wget list as well. Trying to fetch class content from a site. Tested the site, using firefox/firebug appears the site does a couple of calls. Created a quick shell script to implement the test calls, but for some reason, cant seem to generate the actual class list. Steps: -fire off the initial page -select the 1st dept "accounting" - use/leave the rest of the defaults -implement the "select" btn, to generate the backend calls. -in the testing of the 2nd step, the test uses the actual post-data as generated via the firefox/firebug test The results of the 2nd call - returns the same data as the initial call to the base page. I assume Im missing something simple, or else the app is doing some jscript on the backend that I'm not seeing. using -vvv for verbosity doesn't point to anything as far as I can tell. Thoughts/pointers are welcome. thanks #!/bin/sh -v # # test shell for wget # # smc_curl.sh #smc wget -vvv --no-check-certificate --cookies=on --load-cookies=smc.lwp --keep-session-cookies --save-cookies=smc.lwp --user-agent="Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.11) Gecko/2009061118 Fedora/3.0.11-1.fc9 Firefox/3.0.11" -O - "https://isiscc.smc.edu/pls/apex/f?p=123:1:4004293957286646::NO:RP::" #exit wget -vvv --no-check-certificate --cookies=on --load-cookies=smc.lwp --keep-session-cookies --save-cookies=smc.lwp --referer="https://isiscc.smc.edu/pls/apex/f?p=123:1:4004293957286646::NO:RP::" --user-agent="Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.11) Gecko/2009061118 Fedora/3.0.11-1.fc9 Firefox/3.0.11" -O - --post-data="p_flow_id=123&p_flow_step_id=1&p_instance=9199705513605&p_page_submission_id=10860495851326&p_request=SUBMIT&p_arg_names=6371933991931405031&p_t01=Spring+2015&p_arg_names=6362920808091113318&p_t02=1+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12&p_arg_names=6362811294857854001&p_t03=%27OPEN%27+%2C+%27CLOSED%27&p_arg_names=6374897696943587288&p_t04=20151&p_arg_names=3851224476948135099&p_t05=1&p_arg_names=3851225084220137224&p_t06=2&p_arg_names=6361666501512343398&p_v07=5&p_arg_names=6362829299321902607&p_arg_names=6363404907668258054&p_arg_names=6363528795332614067&p_arg_names=6363575091232717019&p_arg_names=6363649096707888902&p_arg_names=3851458085236906098&p_t13=April+++++02%2C+2015+%40+05%3A05+am&p_arg_names=6372068906550664708&p_t14=cls_web_list_20151&p_arg_names=6372277789412047762&p_t15=web_cat_sched_20151&p_arg_names=6361721707633487104&p_t16=where+cat_grp_seq_num+in+%28cat_grp_seq_num%29+and+cls_status+in+%28%27OPEN%27+%2C+%27CLOSED%27%29+and+print_seq+in+%28print_seq%29+and+print_seq+in+%281+%2C+2+%2C+3+%2C+4+%2C+5+%2C+6+%2C+7+%2C+12%29+and+nvl%28gnr_emply_name%2C%27*%27%29+in+%28nvl%28gnr_emply_name%2C%27*%27%29%29+and+nvl%28ssn_days%2C%27*%27%29+in+%28nvl%28ssn_days%2C%27*%27%29%29+and+sct_begin_week+in+%28sct_begin_week%29+and+nvl%28begin_time%2C%270%27%29+in+%28nvl%28begin_time%2C%270%27%29%29&X01=current&p_md5_checksum=&p_page_checksum=D0B7E209D8B98CC0A86474C8266D5F59" "https://isiscc.smc.edu/pls/apex/wwv_flow.accept" exit

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SAMBA on Fedora 21
by Angelo Moreschini 01 Apr '15

01 Apr '15

Hi, I am learning Linux and, just in order to do exercises, I wanted to monitor the functioning of services that, I thing, should run on fedora. So, with the command : service *smartd* status I got : Redirecting to /bin/systemctl status *smartd.service* ● smartd.service - Self Monitoring and Reporting Technology (SMART) Daemon Loaded: loaded (/usr/lib/systemd/system/smartd.service; enabled) Active: active (running) since Tue 2015-03-31 07:48:18 IDT; 10h ago Main PID: 701 (smartd) CGroup: /system.slice/smartd.service └─701 /usr/sbin/smartd -n -q never the same for *cups*.... ● cups.service - CUPS Printing Service Loaded: loaded (/usr/lib/systemd/system/cups.service; enabled) Active: active (running) since Tue 2015-03-31 07:48:51 IDT; 10h ago ............................. .............................. but I was wonder that services as : *DHCP, SAMBA*, ..... was not working.... : the command : sudo service *samba* status give me : Redirecting to /bin/systemctl status samba.service ● samba.service Loaded: not-found (Reason:* No such file or directory*) Active: inactive (dead) for *SAMBA* I give a look to check if it is installed, and I found: sudo yum list installed | grep samba samba-client.x86_64 2:4.1.17-1.fc21 @updates samba-common.x86_64 2:4.1.17-1.fc21 @updates samba-libs.x86_64 2:4.1.17-1.fc21 @updates samba-winbind.x86_64 2:4.1.17-1.fc21 @updates samba-winbind-clients.x86_64 2:4.1.17-1.fc21 @updates samba-winbind-modules.x86_64 2:4.1.17-1.fc21 @updates So, ... after this test I am confuse ....... What is the reason why some important services are not running by default on Fedora 21? Could I have an explanation ? Thank you regards Angelo

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F21: Save session on logout issues
by Max Pyziur 01 Apr '15

01 Apr '15

Greetings, Xfce gives you the option to save your session on logout. In earlier versions, all of my tabbed sessions of Gedit and Gnome-Terminal would be restored. Now, with an F21 setup, only Firefox comes up restored. At best, Gedit is opened, but in a new document setting. Any pointers on whether or not this can be changed so that Gedit and Gnome-Terminal sessions are restored? Or is this a new, undocumented feature? Thanks. Max Pyziur pyz(a)brama.com

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Emacs and Ibus in Fedora-21
by Stuart McGraw 01 Apr '15

01 Apr '15

I just moved from Fedora-15 to Fedora-21 and another breakage that occurs is using Emacs with Ibus. I've been using Emacs since the dark ages and I also need to enter and edit Japanese text. This worked fine through many versions of Fedora and Ibus (or its predecessors) up to Fedora-15 when I had to start running Emacs with a command like "LC_TYPE=ja_JP.utf8 emacs" to get it to accept Japanese characters. Now in Fedora-21, the above command now longer works and I can't find any way of getting Emacs to input Japanese characters other than its own very awkward and poor built-in IME. It appears the migration to a completely broken combination has been completed successfully. :-( Googling has not turned up much beyond a bunch of non-working, contradictory or old information. Is there any way to get Emacs to work with Ibus?

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core file is not generated
by santosh 01 Apr '15

01 Apr '15

Hi, In my setup, core file is not generated on specific scenario. Binary name: vpt if "vpt" is directly executed on shell, then core is generated for SIGSEGV scenario. if same "vpt" binary is spawned by some other binary by "execl()" then core file is not generated on receiving SIGSEGV. 1. root@R0:~# ulimit -c unlimited 2. root@R0:~# cat /etc/security/limits.conf | grep unlimited * soft core unlimited root@R0:~# SUCCESSFUL Scenario ----------------------------------- 3. If the binary is executed directly on shell prompt, then core file is generated when SIGSEGV is received. root@R0:~# /usr/share/pfe/vpt ..... .... Aborted (core dumped) root@R0:~# ls /var/volatile/crash/ core.vpt.1427885814.1008 root@R0:~# FAIL scenario ---------------------- 4. Core file is not generated for the same binary "vpt" if it is spawned by some other process. e;g binary_a ---> vpt .. // binary_a is spawning "vpt" using execl() root@R0:~# /usr/share/pfe/binary_a ..... .... Aborted (core dumped) root@R0:~# root@R0:~# ls /var/volatile/crash/ // No core file is generated. root@R0:~# Thanks Santosh

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