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41
Linux Development & Programming / Linux for Africa
« Last post by chiefdembe on February 17, 2013, 07:21:56 AM »
If there is a continent that needs Linux its Africa, other than the fact that Linux is free, the other benefits for Africa is that Linux promotes innovation. If the youth of Africa are taught Linux, they will soon be starting to play around with the kernel, c programming, c++ programming and python programming.

this will lead africa to create more indeginious softwares and locally made start-ups will start to be competetive at a global stage.

lets find ways to bring linux to africa
42
Linux Application / Linux Device Drivers
« Last post by emblogicemb on February 10, 2013, 10:11:25 AM »

Various innovations driven projects based on Android based systems, system development, Linux Device Drivers are conducted here by the trainees under the direct administration of various industry leaders and experts.
43
Linux Development & Programming / Embedded Linux Course
« Last post by emblogicemb on February 10, 2013, 10:08:37 AM »

Current educational programs are comprised of the newly and innovatively designed embedded Linux course initiatives through which the aspirants are facilitated to have the advanced learning and training for making themselves more able towards dealing with such kind of technologies. Leading institutions and organizations cover up such kind of requirements in the best possible manner through initiating project based industrial training programs to the students in order to promote the level of their education, knowledge and skills in this field.
44
General Networking Support in Linux / Re: Fedora 16 - 1 problem
« Last post by stormbrush on February 03, 2013, 10:45:05 AM »
Solved with this :

sudo -s
echo "nameserver 8.8.8.8" >> /etc/resolv.conf
45
General Networking Support in Linux / Fedora 16 - 1 problem
« Last post by stormbrush on February 02, 2013, 02:01:56 PM »
Dear friends I hope that someone will know what is going here in my Fedora, and how to fix problem
(Fedora 16 Gnome 3).
First I chose Wireless network and connect. Then I open terminal and start pppoe-setup.
When setup is finish I was unable to going on internet. Here is copy paste from ifconfig:
# ifconfig
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:324 errors:0 dropped:0 overruns:0 frame:0
          TX packets:324 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:26680 (26.0 KiB)  TX bytes:26680 (26.0 KiB)

ppp0      Link encap:Point-to-Point Protocol 
          inet addr:10.54.4.232  P-t-P:10.54.4.1  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1480  Metric:1
          RX packets:4 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3
          RX bytes:46 (46.0 b)  TX bytes:40 (40.0 b)

p2p1      Link encap:Ethernet  HWaddr 00:13:72:98:56:81 
          UP BROADCAST MULTICAST  MTU:1500  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:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Interrupt:16

wlan0     Link encap:Ethernet  HWaddr 00:14:85: D1:70:CE 
          inet addr:169.254.10.88  Bcast:169.254.255.255  Mask:255.255.0.0
          inet6 addr: fe80::214:85ff:fed1:70ce/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:154 errors:0 dropped:0 overruns:0 frame:0
          TX packets:215 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:6574 (6.4 KiB)  TX bytes:21360 (20.8 KiB)

# pppoe-status
pppoe-status: Link is up and running on interface ppp0
15: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1480 qdisc pfifo_fast state UNKNOWN qlen 3
    link/ppp
    inet 10.54.4.232 peer 10.54.4.1/32 scope global ppp0

When I try to ping 4.4.4.4.  I got: unknown host.
# ping 4.4.4.4.
ping: unknown host 4.4.4.4.



This is my route with ppp0 down and up:

# route -ve
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
link-local      *               255.255.0.0     U         0 0          0 wlan0
224.0.0.0       *               240.0.0.0       U         0 0          0 wlan0
# /sbin/ifup ppp0
# pppoe-status
pppoe-status: Link is up and running on interface ppp0
4: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1480 qdisc pfifo_fast state UNKNOWN qlen 3
    link/ppp
    inet 10.54.4.247 peer 10.54.4.1/32 scope global ppp0
# route -ve
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
default         *               0.0.0.0         U         0 0          0 ppp0
10.54.4.1       *               255.255.255.255 UH        0 0          0 ppp0
link-local      *               255.255.0.0     U         0 0          0 wlan0
224.0.0.0       *               240.0.0.0       U         0 0

I don’t know what to do, so every help is a good, and thanks in advance.
46
General Networking Support in Linux / Re: YUM CONFIGURATION
« Last post by itguy on January 26, 2013, 06:45:36 PM »
you can check below site for step by step info.

http://redhatserverconfiguration.blogspot.in/p/yum-server-introduction-yellowdog.html
47
Linux Servers Support / Transport openAM 9 configurations between environments
« Last post by kabu on January 23, 2013, 08:43:05 PM »
Hello,

 

I’m trying to find the least painful way of transporting config files between different environments and I have found many things that can break the system after the transport. I got a script that will keep the values for attributes correct for the ones that are depended on the environment but here is the list of couple of things that I’m not sure about. Maybe someone can shed some light on them.

What I want to do is to simply transport xml file based on the steps from the book for openAM 9 (simply export/import using ssoadm to xml file) but by analyzing the file in depth I find many differences that might break the system, so any help is appreciated.

 

1.

In every xml file we have sections for ‘iplanet-am-auth-ldap-bind-passwd’ with hash value under it but in one xml file we’re missing one line with hash. I was wondering if we add that line with the correct hash value will it break the system or it won’t matter as long as the hash matches target environment?

 

2.

Does the size of the ‘iplanet-am-logging-buffer-size’ has to match what was originally setup in the target environment or it will be ok if we overwrite the value from the source xml file?

 

3.

For some reason we have different links in delegation-rules with the same name, for example:

# environment1 - sms://dc=test-domain,dc=net/sunEntitlementService/1.0/application/ws/1/entitlement/entitlements

# environment2 - sms://dc=test-domain,dc=net/sunEntitlementService/1.0/application/ws/1/entitlement/decision

# environment3  - sms://*dc=test-domain,dc=net/sunIdentityRepositoryService/1.0/application/agent

 

It could be due the way the server was setup long time ago or due to development processes over time ( I don’t know) but my question is:

If the rule names are the same but some(or all) options/values are different between environments and we overwrite them with the source file from different environment, will this break things or it won’t matter ?

 

Thank you,
48
Forum Talk / remote logging problem with syslog utility
« Last post by shri_22ram on January 23, 2013, 11:30:28 AM »
I am using Two centOS linux machines. From the third machine (CentoOS_Main) i am redirecting syslog messages to centoOS_1 . After some time i am redirecting syslog messages to CentOS_2. It works fine. After sometime i rebooted my CentOS_Main machine and i am observing very few syslog messages sent to centOS_1. Actually nothing has to sent to centOS_1.
I have observed this by capturing packets by tcpdump.

In /etc/syslog.conf i have used the ip of the centOS_1 machine. After that manually edited the syslog.conf by deleting the centOS_1 ip and entering centOS_2 ip.

Thanks,
Shriram
49
Linux Servers Support / Block Email from postfix
« Last post by hungvx2 on January 23, 2013, 10:32:17 AM »
I'm using postfix to send and receive mail. I want to block Vietnamese Subject but do not know how to configure. Please help me!

Thank you,
50
Linux Kernel / debugfs : Unknown symbol debugfs_create_dir
« Last post by DAVER on January 17, 2013, 08:12:33 AM »
Hi,
    I'm using Ubuntu 12.04 and i was trying to debug the kernel using debugs. I have compiled the kernel with required options like,

Code: [Select]
Kernel hacking[*] Magic SysRq key
Kernel hacking[*] Debug filesystem

I have written a module which include kernel linked list and kernel threads. The module works fine. Then i have added the debugfs code in the same module and i got the following error while inserting the module(i.e. during insmod command),
Code: [Select]
insmod: error inserting 'kll.ko': -1 Unknown symbol in module
I have checked dmesg and i found that the debufs calls like debugfs_create_dir are said to be unknown...

Now I'm stuck at this point.

Any pointers or help is welcome!!
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