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• Is there any alternate for applying Group Policy in AD LDS

  - by rajeevrautela

  Hi All, We can apply Group Level policy in AD DS, similarily is there any mechanism for applying Group level policy in AD LDS?

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• DRBD Not syncing between my nodes

  - by Mike Curry

  Some version info: Operating system is Ubuntu 11.10, on EC2, kernel is 3.0.0-16-virtual and the application info is: Version: 8.3.11 (api:88) GIT-hash: 0de839cee13a4160eed6037c4bddd066645e23c5 build by buildd@allspice, 2011-07-05 19:51:07 Getting some strange errors in dmesg (seen below) as well, there is no replication happening. I have made my first node primary and its showing: drbd driver loaded OK; device status: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 m:res cs ro ds p mounted fstype 0:r0 StandAlone Primary/Unknown UpToDate/DUnknown r----s ext3 my secondary node is showing: drbd driver loaded OK; device status: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 m:res cs ro ds p mounted fstype 0:r0 StandAlone Secondary/Unknown Inconsistent/DUnknown r----s Showing /proc/drbd on the master shows: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----s ns:0 nr:0 dw:4 dr:1073 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:262135964 Showing /proc/drbd on the slave shows that there is nothing being transfered... version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 0: cs:StandAlone ro:Secondary/Unknown ds:Inconsistent/DUnknown r----s ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:262135964 Here is my config... resource r0 { protocol C; startup { wfc-timeout 15; degr-wfc-timeout 60; } net { cram-hmac-alg sha1; shared-secret "test123; } on drbd01 { device /dev/drbd0; disk /dev/xvdm; address 23.XX.XX.XX:7788; # blocked out ip meta-disk internal; } on drbd02 { device /dev/drbd0; disk /dev/xvdm; address 184.XX.XX.XX:7788; #blocked out ip meta-disk internal; } } I have run the following on the master: sudo drbdadm -- --overwrite-data-of-peer primary all There is no firewall between the systems. Here is the dmesg with some errors: [2285172.969955] drbd: initialized. Version: 8.3.11 (api:88/proto:86-96) [2285172.969960] drbd: srcversion: DA5A13F16DE6553FC7CE9B2 [2285172.969962] drbd: registered as block device major 147 [2285172.969965] drbd: minor_table @ 0xffff88000276ea00 [2285173.000952] block drbd0: Starting worker thread (from drbdsetup [1300]) [2285173.003971] block drbd0: disk( Diskless -> Attaching ) [2285173.006150] block drbd0: No usable activity log found. [2285173.006154] block drbd0: Method to ensure write ordering: flush [2285173.006158] block drbd0: max BIO size = 4096 [2285173.006165] block drbd0: drbd_bm_resize called with capacity == 524271928 [2285173.008512] block drbd0: resync bitmap: bits=65533991 words=1023969 pages=2000 [2285173.008518] block drbd0: size = 250 GB (262135964 KB) [2285173.079566] block drbd0: bitmap READ of 2000 pages took 17 jiffies [2285173.081189] block drbd0: recounting of set bits took additional 1 jiffies [2285173.081194] block drbd0: 250 GB (65533991 bits) marked out-of-sync by on disk bit-map. [2285173.081203] block drbd0: Suspended AL updates [2285173.081210] block drbd0: disk( Attaching -> UpToDate ) [2285173.081214] block drbd0: attached to UUIDs 1C1291D39584C1D1:0000000000000004:0000000000000000:0000000000000000 [2285173.095016] block drbd0: conn( StandAlone -> Unconnected ) [2285173.095046] block drbd0: Starting receiver thread (from drbd0_worker [1301]) [2285173.099297] block drbd0: receiver (re)started [2285173.099304] block drbd0: conn( Unconnected -> WFConnection ) [2285173.099330] block drbd0: bind before connect failed, err = -99 [2285173.099346] block drbd0: conn( WFConnection -> Disconnecting ) [2285173.295788] block drbd0: Discarding network configuration. [2285173.295815] block drbd0: Connection closed [2285173.295826] block drbd0: conn( Disconnecting -> StandAlone ) [2285173.295840] block drbd0: receiver terminated [2285173.295844] block drbd0: Terminating drbd0_receiver Edit: Reading some other similar issues, it was suggested to do a 'drbdadm dump all', so I figured it couldn't hurt. ubuntu@drbd01:~$ drbdadm dump all /etc/drbd.conf:19: in resource r0, on drbd01: IP 23.XX.XX.XX not found on this host. and on slave: root@drbd02:~# drbdadm dump all /etc/drbd.conf:25: in resource r0, on drbd02: IP 184.XX.XX.XX not found on this host. Strange it doesn't find its own ip, however, this is an Amazon EC2 system using an elastic IP... here are my ipconfigs for both... master: ubuntu@drbd01:~$ ifconfig eth0 Link encap:Ethernet HWaddr 22:00:0a:1c:27:11 inet addr:10.28.39.17 Bcast:10.28.39.63 Mask:255.255.255.192 inet6 addr: fe80::2000:aff:fe1c:2711/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1569 errors:0 dropped:0 overruns:0 frame:0 TX packets:1169 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:124409 (124.4 KB) TX bytes:213601 (213.6 KB) Interrupt:26 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) slave: root@drbd02:~# ifconfig eth0 Link encap:Ethernet HWaddr 12:31:3f:00:14:9d inet addr:10.160.27.107 Bcast:10.160.27.255 Mask:255.255.254.0 inet6 addr: fe80::1031:3fff:fe00:149d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:915 errors:0 dropped:0 overruns:0 frame:0 TX packets:774 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:75381 (75.3 KB) TX bytes:109673 (109.6 KB) Interrupt:26 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

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• Where's my MD.070?

  - by Dave Burke

  In a previous Blog entry titled “Where’s My MD.050” I discussed how the OUM Analysis Specification is the “new-and-improved” version of the more traditional Functional Design Document (or MD.050 for Oracle AIM stalwarts). In a similar way, the OUM Design Specification is an evolution of what we used to call the Technical Design Document (or MD.070). Let’s dig a little deeper…… In a traditional software development process, the “Design Task” would include all the time and resources required to design the software component(s), AND to create the final Technical Design Document. However, in OUM, we have created distinct Tasks for pure design work, along with an optional Task for pulling all of that work together into a Design Specification. Some of the Design Tasks shown above will result in their own Work Products (i.e. an Architecture Description), whilst other Tasks would act as “placeholders” for a specific work effort. In any event, the DS.140 Design Specification can include a combination of unique content, along with links to other Work Products, together which enable a complete technical description of the component, or solution, being designed. So next time someone asks “where’s my MD.070” the short answer would be to tell them to read the OUM Task description for DS.140 – Design Specification!

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• How to correctly use DERIVE or COUNTER in munin plugins

  - by Johan

  I'm using munin to monitor my server. I've been able to write plugins for it, but only if the graph type is GAUGE. When I try COUNTER or DERIVE, no data is logged or graphed. The plugin i'm currently stuck on is for monitoring bandwidth usage, and is as follows: /etc/munin/plugins/bandwidth2 #!/bin/sh if [ "$1" = "config" ]; then echo 'graph_title Bandwidth Usage 2' echo 'graph_vlabel Bandwidth' echo 'graph_scale no' echo 'graph_category network' echo 'graph_info Bandwidth usage.' echo 'used.label Used' echo 'used.info Bandwidth used so far this month.' echo 'used.type DERIVE' echo 'used.min 0' echo 'remain.label Remaining' echo 'remain.info Bandwidth remaining this month.' echo 'remain.type DERIVE' echo 'remain.min 0' exit 0 fi cat /var/log/zen.log The contents of /var/log/zen.log are: used.value 61.3251953125 remain.value 20.0146484375 And the resulting database is: <!-- Round Robin Database Dump --><rrd> <version> 0003 </version> <step> 300 </step> <!-- Seconds --> <lastupdate> 1269936605 </lastupdate> <!-- 2010-03-30 09:10:05 BST --> <ds> <name> 42 </name> <type> DERIVE </type> <minimal_heartbeat> 600 </minimal_heartbeat> <min> 0.0000000000e+00 </min> <max> NaN </max> <!-- PDP Status --> <last_ds> 61.3251953125 </last_ds> <value> NaN </value> <unknown_sec> 5 </unknown_sec> </ds> <!-- Round Robin Archives --> <rra> <cf> AVERAGE </cf> <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds --> <params> <xff> 5.0000000000e-01 </xff> </params> <cdp_prep> <ds> <primary_value> NaN </primary_value> <secondary_value> NaN </secondary_value> <value> NaN </value> <unknown_datapoints> 0 </unknown_datapoints> </ds> </cdp_prep> <database> <!-- 2010-03-28 09:15:00 BST / 1269764100 --> <row><v> NaN </v></row> <!-- 2010-03-28 09:20:00 BST / 1269764400 --> <row><v> NaN </v></row> <!-- 2010-03-28 09:25:00 BST / 1269764700 --> <row><v> NaN </v></row> <snip> The value for last_ds is correct, it just doesn't seem to make it into the actual database. If I change DERIVE to GAUGE, it works as expected. munin-run bandwidth2 outputs the contents of /var/log/zen.log I've been all over the (sparse) docs for munin plugins, and can't find my mistake. Modifying an existing plugin didn't work for me either.

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• Excessive CPU Utilization for Bind 9.8.1 `named` processes

  - by justinzane

  I just noticed that named is eating vast amounts of CPU time for a very small network with only a few domains. Can someone help me determine what is misconfigured, please? Or how to debug this. top top - 14:13:08 up 25 days, 14:16, 1 user, load average: 1.04, 1.04, 1.05 Tasks: 149 total, 1 running, 148 sleeping, 0 stopped, 0 zombie %Cpu(s): 17.3 us, 4.3 sy, 0.0 ni, 78.2 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 2042776 total, 1347916 used, 694860 free, 249396 buffers KiB Swap: 3976080 total, 30552 used, 3945528 free, 574164 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 17445 bind 20 0 244m 42m 3124 S 99.4 2.2 2345:03 named rndc stats +++ Statistics Dump +++ (1352931389) ++ Incoming Requests ++ 65869 QUERY ++ Incoming Queries ++ 31809 A 241 NS 3 CNAME 27455 SOA 276 PTR 123 MX 462 TXT 5400 AAAA 7 A6 1 DS 14 DNSKEY 15 SPF 55 AXFR 8 ANY ++ Outgoing Queries ++ [View: internal] 22206 A 509 NS 10 SOA 25 PTR 12 MX 524 TXT 4851 AAAA 62 DNSKEY 19 SPF 3157 DLV [View: external] 87 A 2 NS 80 AAAA 120 DNSKEY 7 DLV [View: _bind] ++ Name Server Statistics ++ 65869 IPv4 requests received 27670 requests with EDNS(0) received 112 TCP requests received 65652 responses sent 20 truncated responses sent 27670 responses with EDNS(0) sent 62920 queries resulted in successful answer 37117 queries resulted in authoritative answer 28482 queries resulted in non authoritative answer 7 queries resulted in referral answer 591 queries resulted in nxrrset 53 queries resulted in SERVFAIL 2081 queries resulted in NXDOMAIN 14530 queries caused recursion 162 duplicate queries received 55 requested transfers completed ++ Zone Maintenance Statistics ++ 109536 IPv4 notifies sent ++ Resolver Statistics ++ [Common] [View: internal] 29362 IPv4 queries sent 2013 IPv6 queries sent 28531 IPv4 responses received 4209 NXDOMAIN received 6 SERVFAIL received 31 FORMERR received 32 EDNS(0) query failures 3359 query retries 836 query timeouts 5348 IPv4 NS address fetches 3271 IPv6 NS address fetches 83 IPv4 NS address fetch failed 2779 IPv6 NS address fetch failed 17421 DNSSEC validation attempted 12731 DNSSEC validation succeeded 4690 DNSSEC NX validation succeeded 21104 queries with RTT 10-100ms 7418 queries with RTT 100-500ms 3 queries with RTT 500-800ms 1 queries with RTT 800-1600ms [View: external] 192 IPv4 queries sent 104 IPv6 queries sent 192 IPv4 responses received 2 NXDOMAIN received 104 query retries 44 IPv4 NS address fetches 44 IPv6 NS address fetches 1 IPv4 NS address fetch failed 1 IPv6 NS address fetch failed 4 DNSSEC validation attempted 3 DNSSEC validation succeeded 1 DNSSEC NX validation succeeded 152 queries with RTT 10-100ms 40 queries with RTT 100-500ms [View: _bind] ++ Cache DB RRsets ++ [View: internal (Cache: internal)] 2007 A 652 NS 131 CNAME 1 MX 32 TXT 421 AAAA 28 DS 244 RRSIG 110 NSEC 3 DNSKEY 2 !A 2 !TXT 89 !AAAA 2 !SPF 14 !DLV 148 NXDOMAIN [View: external (Cache: external)] 55 A 12 NS 34 AAAA 2 DS 10 RRSIG 1 DNSKEY [View: _bind (Cache: _bind)] ++ Socket I/O Statistics ++ 82958 UDP/IPv4 sockets opened 2118 UDP/IPv6 sockets opened 4 TCP/IPv4 sockets opened 1 TCP/IPv6 sockets opened 82956 UDP/IPv4 sockets closed 2117 UDP/IPv6 sockets closed 58 TCP/IPv4 sockets closed 15 UDP/IPv4 socket bind failures 2117 UDP/IPv6 socket connect failures 29554 UDP/IPv4 connections established 59 TCP/IPv4 connections accepted 2117 UDP/IPv6 send errors 5 UDP/IPv4 recv errors ++ Per Zone Query Statistics ++ --- Statistics Dump --- (1352931389)

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• asp.net listbox

  - by lodun

  Why this code don't work,when i want run this code vwd 2008 express show me this error: Object reference not set to an instance of an object. Line 73: kom.Parameters.Add("@subcategories", SqlDbType.Text).Value = s_categoreis.SelectedItem.ToString(); This is my ascx file: <asp:ListBox ID="categories" runat="server" Height="380px" CssClass="kat" AutoPostBack="true" DataSourceID="SqlDataSource1" DataTextField="Categories" DataValueField="ID" onselectedindexchanged="kategorije_SelectedIndexChanged"></asp:ListBox> <asp:Button ID="Button1" CssClass="my" runat="server" Text="click" onclick="Button1_Click" /> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:ListBox ID="s_categoreis" CssClass="pod" Height="150px" Enabled="true" runat="server"></asp:ListBox></ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="categories" EventName="SelectedIndexChanged" /> </Triggers> </asp:UpdatePanel> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:estudent_piooConnectionString %>" SelectCommand="SELECT [ID], [Categories] FROM [categories]"> </asp:SqlDataSource> and this is my ascx.cs: SqlConnection veza; SqlCommand kom = new SqlCommand(); SqlParameter par1 = new SqlParameter(); SqlParameter par2 = new SqlParameter(); SqlParameter par3 = new SqlParameter(); SqlParameter par4 = new SqlParameter(); SqlParameter par5 = new SqlParameter(); SqlParameter par6 = new SqlParameter(); SqlParameter par7 = new SqlParameter(); SqlParameter par8 = new SqlParameter(); SqlParameter par9 = new SqlParameter(); protected void Page_Load(object sender, EventArgs e) { Listapod_kategorije(1); } protected void kategorije_SelectedIndexChanged(object sender, EventArgs e) { Listapod_kategorije(Convert.ToInt32(kategorije.SelectedValue)); } private void Listapod_kategorije(int broj) { SqlDataSource ds = new SqlDataSource(); ds.ConnectionString = ConfigurationManager.ConnectionStrings["estudent_piooConnectionString"].ConnectionString; ds.SelectCommand = "Select * from pod_kategorije where kat_id=" + broj; pod_kategorije.DataSource = ds; pod_kategorije.DataTextField = "pkategorija"; pod_kategorije.DataValueField = "ID"; pod_kategorije.DataBind(); } protected void Button1_Click(object sender, EventArgs e) { Guid jk = new Guid(); object datum = DateTime.Now; veza = new SqlConnection(@"server=85.94.76.170\PADME; database=estudent_pioo;uid=pioo;pwd=1234567"); Random broj = new Random(); int b_kor = broj.Next(1, 1000); kom.Parameters.Add("@text", SqlDbType.Text).Value = str; kom.Parameters.Add("@user", SqlDbType.UniqueIdentifier).Value = jk; kom.Parameters.Add("@date", SqlDbType.DateTime).Value = datum; kom.Parameters.Add("@visits", SqlDbType.Int).Value = 0; kom.Parameters.Add("@answers", SqlDbType.Int).Value = 0; kom.Parameters.Add("@username", SqlDbType.Text).Value = "unknown_" + b_kor.ToString(); ; kom.Parameters.Add("@categories", SqlDbType.Text).Value = categories.SelectedItem.ToString(); kom.Parameters.Add("@sub_categories", SqlDbType.Text).Value = s_categoreis.SelectedItem.ToString(); veza.Open(); kom.ExecuteNonQuery(); veza.Close(); Response.Redirect("default.aspx");

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• Wireless Network Found, can't connect, repeated requests for authentication

  - by Herm Holland

  After trawling through the internet, on forums, support websites, and through dozens upon dozens of answered questions on this site, I've not found a solution to what seems like a fairly regular problem... I cannot connect to a wireless network, and am continually asked for the network password. I have tried countless suggested solutions on the different locations I've already referred to. None of them have worked. Details of my experience are as follows: I have just recently installed Ubuntu 12.04.1 (32-bit). Ubuntu installed on my system seemingly fine, and I even formatted my hard drive during the process. It's as if it were a new desktop computer. During the installation I was asked to connect to a Wireless Network. I have a USB Wireless Card connected which I have used to connect desktop PC's, laptops, and a Wii to the internet from approximately the same area of the house (thus the same distance from the Wireless Router). I chose my network, entered the correct password for it (I double checked; it's definitely the right password) and proceeded with the installation. Several times before the installation was complete, I was asked to authenticate the connection, and this seemed to do nothing each time. On the repeated screens the password was already entered in the appropriate box. When Ubuntu booted up the first thing I was faced with (other than something about Language settings, or something) was another request for authentication. Again, the password was already there, so I clicked connect. It did not connect. Instead, I was once again faced with repeated requests every few minutes. I went onto my laptop, which is connected to this network, checked the details of the network, and entered them manually into my Ubuntu PC (including the IPv4 and IPv6 information) but this didn't work either, so I set it back to finding the settings automatically. Note, also, that the "Connect automatically" and "Available to all users" boxes are checked, and have been unchecked & rechecked countless times. I have also tried having my User account connect automatically, and to need a password entered at the welcome screen. Whilst I've been writing this, it has gone through a spat of connecting successfully to the network for less than a minute, before coming offline again, only to repeat the process. But it has now returned to prompting me for a password every couple of minutes. This computer has already run on the Fedora OS, and had no trouble connecting to, and maintaining a connection. I also have a laptop running Windows 7 less than a metre away from this desktop PC, which is connected and has no trouble maintaining a connection at 50%-100% strength (fluctuating). Therefore: - I know it's not the wireless card - I know it's not the PC itself - I know it's not the access point - I know it's not the location of my PC or wireless card - It is solely because of Ubuntu Everything else has worked fine, but the moment Ubuntu was introduced into the equation, it has gone completely wrong. Honestly; I prefer Ubuntu as an OS to Fedora, but if I can't solve the problem it'll be straight back to Fedora that I'll have to go. Can anyone help me at all?

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• How to solve "java.io.IOException: error=12, Cannot allocate memory" calling Runtime#exec()?

  - by Andrea Francia

  On my system I can't run a simple Java application that start a process. I don't know how to solve. Could you give me some hints how to solve? The program is: [root@newton sisma-acquirer]# cat prova.java import java.io.IOException; public class prova { public static void main(String[] args) throws IOException { Runtime.getRuntime().exec("ls"); } } The result is: [root@newton sisma-acquirer]# javac prova.java && java -cp . prova Exception in thread "main" java.io.IOException: Cannot run program "ls": java.io.IOException: error=12, Cannot allocate memory at java.lang.ProcessBuilder.start(ProcessBuilder.java:474) at java.lang.Runtime.exec(Runtime.java:610) at java.lang.Runtime.exec(Runtime.java:448) at java.lang.Runtime.exec(Runtime.java:345) at prova.main(prova.java:6) Caused by: java.io.IOException: java.io.IOException: error=12, Cannot allocate memory at java.lang.UNIXProcess.<init>(UNIXProcess.java:164) at java.lang.ProcessImpl.start(ProcessImpl.java:81) at java.lang.ProcessBuilder.start(ProcessBuilder.java:467) ... 4 more Configuration of the system: [root@newton sisma-acquirer]# java -version java version "1.6.0_0" OpenJDK Runtime Environment (IcedTea6 1.5) (fedora-18.b16.fc10-i386) OpenJDK Client VM (build 14.0-b15, mixed mode) [root@newton sisma-acquirer]# cat /etc/fedora-release Fedora release 10 (Cambridge) EDIT: Solution This solves my problem, I don't know exactly why: echo 0 /proc/sys/vm/overcommit_memory Up-votes for who is able to explain :) Additional informations, top output: top - 13:35:38 up 40 min, 2 users, load average: 0.43, 0.19, 0.12 Tasks: 129 total, 1 running, 128 sleeping, 0 stopped, 0 zombie Cpu(s): 1.5%us, 0.5%sy, 0.0%ni, 94.8%id, 3.2%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1033456k total, 587672k used, 445784k free, 51672k buffers Swap: 2031608k total, 0k used, 2031608k free, 188108k cached Additional informations, free output: [root@newton sisma-acquirer]# free total used free shared buffers cached Mem: 1033456 588548 444908 0 51704 188292 -/+ buffers/cache: 348552 684904 Swap: 2031608 0 2031608

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• C++: Help with cin difference between Linux and Windows

  - by Krashman5k

  I have a Win32 console program that I wrote and it works fine. The program takes input from the user and performs some calculations and displays the output - standard stuff. For fun, I am trying to get the program to work on my Fedora box but I am running into an issue with clearing cin when the user inputs something that does not match my variable type. Here is the code in question: void CParameter::setPrincipal() { double principal = 0.0; cout << endl << "Please enter the loan principal: "; cin >> principal; while(principal <= 0) { if (cin.fail()) { cin.clear(); cin.ignore(INT_MAX, '\n'); } else { cout << endl << "Plese enter a number greater than zero. Please try again." << endl; cin >> principal; } } m_Parameter = principal; } This code works in Windows. For example, if the user tries to enter a char data type (versus double) then the program informs the user of the error, resets cin, and allows the user another opportunity to enter a valid value. When I move this code to Fedora, it compiles fine. When I run the program and enter an invalid data type, the while loop never breaks to allow the user to change the input. My questions are; how do I clear cin when invalid data is inputted in the Fedora environment? Also, how should I write this code so it will work in both environments (Windows & Linux)? Thanks in advance for your help!

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• Static IP on FEDORA12 from Virtualbox

  - by Diego Castro

  I'm trying to get my FEDORA12 to have an STATIC IP - inside virtualbox - inside Ubuntu Let me rephrase that. I have an Ubuntu 9.04 system with vitualbox and a FEDORA12 vm there and I would like to put the fedora with an STATIC IP (amahi needs it), but I'm getting stuck... I'm using NAT (if that's any help) I tryid a few tutorials, but no go. I'm kind of new to the *nix world but I'm old school on M$ Edit: Screenshots UBUNTU 9.04 (host that has the vm) hxxp://pic.imagefap.com/images/full/43/154/1548751086.jpg FEDORA hxxp://pic.imagefap.com/images/full/43/205/2050216515.jpg hxxp://pic.imagefap.com/images/full/43/118/1182276176.jpg (sory cant post pics... not enough rep)

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• VirtualBox error VERR_SUPDRV_COMPONENT_NOT_FOUND

  - by ant2009

  I am using Fedora 12, with kernel stv-fedora 2.6.31.12-174.2.22.fc12.i686 I have install VirtualBox OSE v3.1.4-1.fc12. When I start VirtualBox I get the following error: Failed to start the virtual machine WinXP32. Failed to open/create the internal network 'HostInterfaceNetworking-eth0' (VERR_SUPDRV_COMPONENT_NOT_FOUND). One of the kernel modules was not successfully loaded. Make sure that no kernel modules from an older version of VirtualBox exist. Then try to recompile and reload the kernel modules by executing '/etc/init.d/vboxdrv setup' as root (VERR_SUPDRV_COMPONENT_NOT_FOUND). However, if I run /etc/init.d/vboxdrv setup I get this error: -bash: /etc/init.d/vboxdrv: No such file or directory How do I get rid of the error and run VirtualBox?

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• Linux (or Anaconda) installation, RAID 5

  - by user48058

  I having trouble with installation of Fedora and/or Centos. On first steps of installation, on step What type of devices will your installation involve, whatever I choose, same thing happen: I get window with message An unhandled exception has occurred. This is most likely a bug. Please save a copy of the detailed exception and file a bug report. In Details window there are lots of messages. At the end there are: ERR kernel:[ 81.854179] device-mapper: table: 253:1: raid45: unknown target type WARNING kernel:[ 81.854183] device-mapper: ioctl: error adding target to table Same thing occur with several versions of Fedora (17 and 16, x64, live, etc) and with Centos distribution also. Can you please give me some advices how to avoid this messages? Thank you in advance!

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• Can´t install OS from usb flash drive

  - by Bibo

  My previous problem was describe here: Can't boot OS from USB drive, showing black screen with blinking cursor and there are informations about my laptot. So please look there and then read rest here. I changed flash drive and it fix the problem but now when I boot to Ubuntu (or I tried Fedora, it do same) I can´t install system. I click on Install Ubuntu 10.10 I choose language, then on next window I click Forward but it just show waiting cursor and nothing happen (same Fedora). It doesn´t freeze so I can end install and I can take printscreen (when I was taking the screen, cursor was shown as waiting, not normal as in picture, it´s weird). Image where my installation ends I think there is some problem with Disk and Volumes and so. But I used chkdsk from W7 on boot and It said everything all right and I try utility in Ubuntu and check file system and it is all right too.Image with my Disk (Volumes and other things) I hope someone helps me. Thank you

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• PAM_LDAP error trying to bind ?

  - by billyduc

  I have this error when I ssh to my LDAP client using the login name on the LDAP server my LDAP client's running Ubuntu 9.10 Karmic my LDAP server is Fedora Core 4 and running Fedora Directory Server ssh [email protected] cat /var/log/auth.log //on the client Dec 18 10:24:17 ubuntu-ltsp sshd[4527]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=billyhost.local user=billyduc Dec 18 10:24:17 ubuntu-ltsp sshd[4527]: pam_ldap: error trying to bind as user "uid=billyduc,dc=mydomain,dc=com" (Invalid credentials) Dec 18 10:24:18 ubuntu-ltsp sshd[4527]: Failed password for billyduc from 192.168.5.121 port 51449 ssh2 Here's my /etc/pam.d/sshd cat /etc/pam.d/sshd auth [success=1 default=ignore] pam_unix.so auth required pam_ldap.so use_first_pass auth required pam_permit.so account sufficient pam_permit.so I also edit my /etc/ssh/sshd_config in both client and Server PasswordAuthentication yes So I think something wrong with the password when the ssh server do checking

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• X locks up with konqueror on comics.com

  - by retracile

  If I browse to comics.com using konqueror under KDE on Fedora 11, X will, after a delay, lock up. The mouse will move, but no keyboard input is recognized, and the screen does not react to the mouse passing over objects on screen. I am able to ssh into the machine and issue shutdown -r now and have that work. The machine is a Dell XPS M1330 with Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c), and Fedora 11 is fully updated. Visiting the same site in Firefox does not cause a lockup. I am booting with nomodeset since it won't boot into X otherwise. I tried the other two accel options: EXA (still locks up) and XAA (X won't start). Any suggestions on how I can debug this? bugzilla

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• Linux and GeForce 8400 dual monitor

  - by Andrea Polci

  I'm trying to install a linux distribution on my PC. I have a GeForce 8400 GS with two connected monitors. I tried with Fedora 12 and Ubuntu 9.10 (both 64 and 32 bit) and the live cd cannot boot properly. I don't get a visible error on Ubuntu, it simply hangs up during the boot. With Fedora I get this error: [drm] Modeset on unsupported output type [drm] Table 0x0000 not found for 1/1 using first I tried to disconnect one of the two monitor and was able to install on my HD and boot from there, but if I try to connect the second monitor again I cannot boot. Do I need to install something else? (a driver for my video card for example).

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• How to reference other locations in making multi-boot live cd

  - by Nrew

  There is a tool in pen drive linux that allows you to boot directly with multiple iso files. And here is a sample in the menu.lst which allows you to choose which iso file you want to boot. title Fedora 13 find --set-root /Fedora-12-i686-L.iso map /ubuntu-10.04-desktop-i386.iso (0xff) map --hook root (0xff) kernel /casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper persistent iso-scan/filename=/ubuntu-10.04-desktop-i386.iso splash initrd /casper/initrd.lz I'm just using it on my 8gb flash drive and the location of the iso file is in the flash drive itself. Is it possible to reference other locations. So that I could boot from it, without limitations. because the flash drive can only contain 8gb of data. Is it possible? Anyone here tried this before?

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• Upgraded from fc10 to fc12 now I have eth0_rename, how do I get back to plain old eth0?

  - by shank

  I upgraded from Fedora 10 to Fedora 12. Unfortunately, my ethernet interface eth0 is now named eth0_rename. I'd like to get back to having it named plain old eth0. I googled a bit but the solution of removing the eth0 entry from /etc/udev/rules.d/70-persistent-net.rules seems to have no effect (I restarted the network service but didn't reboot). The interface works just fine although I could see a script or two having a problem with the format. So, it's more of an inconvenience thing than anything else. Any ideas? Thanks.

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• Fedora14 serial console how-to needed

  - by lamba2

  Has anyone ever got a serial console working in fedora 14 ? Is it as simple as adding to grub: serial --unit=0 --speed=38400 terminal --timeout=10 serial console and add to the kernel lines: console=tty0 console=ttyS0,38400 ??? If so, this isn't working for me. I have agetty installed, and im using minicom, although i've heard you can also use "screen /dev/ttyUSB0" on the client side. The /etc/init/serial.conf file suggests it should be working, but nothing. Currently getting no joy from any of this after 2 days. Does anyone know a method that definitely works on fedora 14 ? (no /etc/event.d/ needed or such) edit: Client side im using a null modem cable and usb-serial adaptor.

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• Linux FHS: /srv vs /var ... where do I put stuff?

  - by wag2639

  My web development experience has started with Fedora and RHEL but I'm transitioning to Ubuntu. In Fedora/RHEL, the default seems to be using the /var folder while Ubuntu uses /srv. Is there any reason to use one over the other and where does the line split? (It confused me so much that until very recently, I thought /srv was /svr for server/service) My main concern deals with two types of folders default www and ftp directories specific application folders like: samba shares (possibly grouped under a smb folder) web applications (should these go in www folder, or do can I do a symlink to its own directory like "_/www/wordpress" - "/srv/wordpress") I'm looking for best practice, industry standards, and qualitative reasons for which approach is best (or at least why its favored).

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• how to make man page not disappear on exit

  - by Alan

  ...probably a silly question but I could not beat google into telling me the answer so posting here: I got 2 machines - Slackware 13 and Fedora 11. On the slack machine, when I use man I can scroll all the way to the bottom then exit man and the info stays in my terminal window (which I find very convenient as I can read it while typing the command in question, copy-paste the options, etc.). On fedora when I close man the man page info is gone. How can I configure man (or is it the terminal?) to not remove the man page info on exit?

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• Yum install problem on netsolvps server

  - by Thomas

  I tried to install yum based on http://www.wallpaperama.com/forums/how-to-install-yum-problems-installing-on-linux-redhat-fedora-commands-t471.html. my current python is 2.4.6, red hot fedora core 6, 4.1.1-28, RPM 4.4.2. I tried with the yum 3.0.1 version for my current server configuration. There is no configure file on 3.0.1 so i used make install command. All files complied without error. If I run #rpm -q yum it says "package yum is not installed". Whats the problem here on the yum installation?

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• Bacula not backing up all the files it should be doing

  - by Nigel Ellis

  I have Bacula (5.2) running on a Fedora 14 system backing up several different computers including Windows 7, Windows 2003 and Windows 2008. When backing up the Windows 2008 server the backup stops after a relatively small amount has been backed up and says the backup was okay. The fileset I am trying to backup should be around 323Gb, but it manages a mere 27Gb before stopping - but not erring. I did try creating a mount on the Fedora computer to the server I am trying to backup, and Bacula managed to copy 58Gb. When I tried to use the mount to copy the files manually I was able to copy them all - there are no problems with permissions etc. on the mount. Please can anyone give a reason why Bacula would just stop? I have heard there is a 260 character limit, but some of the files that should have been copy resolve to a shorter filename than some that have been backed up.

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• How Do I Properly Run OfflineIMAP in a Crontab

  - by alharaka

  Installed Fedora. # cat /etc/redhat_release | awk ' { print F "> " $0; print ""; }' Fedora release 14 (Laughlin) Installed offlineimap from yum, cuz I'm lazy these days. # yum info offlineimap | awk ' { print F "> " $0; print ""; }' Loaded plugins: langpacks, presto, refresh-packagekit Adding en_US to language list Installed Packages Name : offlineimap Arch : noarch Version : 6.2.0 Release : 2.fc14 Size : 611 k Repo : installed From repo : fedora Summary : Powerful IMAP/Maildir synchronization and reader support URL : http://software.complete.org/offlineimap/ License : GPLv2+ Description : OfflineIMAP is a tool to simplify your e-mail reading. With : OfflineIMAP, you can read the same mailbox from multiple : computers. You get a current copy of your messages on each : computer, and changes you make one place will be visible on all : other systems. For instance, you can delete a message on your home : computer, and it will appear deleted on your work computer as : well. OfflineIMAP is also useful if you want to use a mail reader : that does not have IMAP support, has poor IMAP support, or does : not provide disconnected operation. And, lo and behold, every time I run offlineimap and try to redirect output in a crontab, it does not work. Below is my .offlineimaprc. [general] ui = TTY.TTYUI accounts = Personal, Work maxsyncaccounts = 3 [Account Personal] localrepository = Local.Personal remoterepository = Remote.Personal [Account Work] localrepository = Local.Work remoterepository = Remote.Work [Repository Local.Personal] type = Maildir localfolders = ~/mail/gmail [Repository Local.Work] type = Maildir localfolders = ~/mail/companymail [Repository Remote.Personal] type = IMAP remotehost = imap.gmail.com remoteuser = [email protected] remotepass = password ssl = yes maxconnections = 4 # Otherwise "deleting" a message will just remove any labels and # retain the message in the All Mail folder. realdelete = no [Repository Remote.Work] type = IMAP remotehost = server.company.tld remoteuser = username remotepass = password ssl = yes maxconnections = 4 I have tried TTY.TTYUI, NonInteractive.Quiet and NonInteractive.Basic with different variations. With or without redirection, the crontab entries I try cause problems. $ crontab -l | awk ' { print F "> " $0; print ""; }' */5 * * * * offlineimap >> ~/mail/logs/offlineimap.log 2>&1 */5 * * * * offlineimap I always get the same damn error ERROR: No UIs were found usable!. What am I doing wrong!?

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• How to connect to my Local Host?

  - by Mazen Ayman

  I have Mac OSx (mountain Lion), Windows 7, Fedora 17 installed on my Macbook pro, and I can't connect to the local host on any of them, it always tells me can't connect. I'm learning mysql and from the tutorials, I guess I have to be connected to my localhost to create databases and stuff, but do I have to install something first for it to work? P.S. - for mac, I don't have the option "web sharing" to enable in the system preferences. - for windows, I tried to enable IIS, but it gives me an error ... I also tried to work it out using the cmd.exe but it just doesn't work as well. - for fedora, I'm new to it, but I just installed and I have no idea why it's not working.

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