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Bind src.rpm from CentOS or RHEL 5 beta
by Florin Andrei 04 Mar '07

04 Mar '07

Anybody knows where can I find the src.rpm package with Bind that was included in the RHEL5 beta (or in the upcoming CentOS 5 beta)? I assume it's legal to download and rebuild this src.rpm since the license is GPL, right? -- Florin Andrei http://florin.myip.org/

2 1

Re: [CentOS] Making VNC run on port 8080 on Centos 3.4
by Randy Zagar 03 Mar '07

03 Mar '07

This is part of my documentation for VNC under RHEL-4. All of the configuration file changes below were originally formatted as "diff -u" patches. Email may have mangled them, so beware. I assume standard gnome desktop packages have been installed, if you want another desktop manager you'll have to figure out how to configure that yourself. I frequently use vncviewer -via secure.vnc.host localhost:50 to tunnel VNC over an SSH session Here's the text: =Managing VNC Sessions With Xinetd= There is an old protocol for managing remote displays on X-Terminals called XDMCP (X11 Display Manager Control Protocol). Never heard of an X-Terminal? Well, that's no surprise... X-Terminals are sooo 20-th century... Everybody calls them Thin Clients now. Fortunately, old protocols never die and every once in a while we get to recycle them. What we are going to do is configure a VNC service that's controlled by XInetd. That way, a VNC server process only gets started when somebody asks for one... And since we're enabling XDMCP support for the Gnome Display Manager (GDM), each VNC client connection will get a graphical gdm login screen. It doesn't result in a persistent session, but it's much easier to configure and maintain. ==Linux Configuration Files== ===/etc/X11/xdm/xdm-config=== --- /etc/X11/xdm/xdm-config 2006/02/14 04:33:24 1.1 +++ /etc/X11/xdm/xdm-config 2006/02/14 04:33:58 @@ -29,4 +29,4 @@ ! SECURITY: do not listen for XDMCP or Chooser requests ! Comment out this line if you want to manage X terminals with xdm -DisplayManager.requestPort: 0 +!DisplayManager.requestPort: 0 ===/etc/X11/xdm/Xaccess=== --- /etc/X11/xdm/Xaccess 2006/02/14 04:36:27 1.1 +++ /etc/X11/xdm/Xaccess 2006/02/14 04:36:39 @@ -37,7 +37,7 @@ # right hand sides can match. # -# * #any host can get a login window +* #any host can get a login window # # To hardwire a specific terminal to a specific host, you can ===/etc/X11/gdm/gdm.conf=== ====Enabling XDMCP access for VNC clients==== --- gdm.conf 2006/02/14 04:39:09 1.1 +++ gdm.conf 2006/04/05 17:07:05 1.2 @@ -207,7 +207,7 @@ # allow local access is another alternative but not the safest. # Firewalling port 177 is the safest if you wish to have xdmcp on. # Read the manual for more notes on the security of XDMCP. -Enable=false +Enable=true # Honour indirect queries, we run a chooser for these, and then redirect # the user to the chosen host. Otherwise we just log the user in locally. #HonorIndirect=true ====Supporting X11 connections over TCP==== This is normally disabled, but as long as you're on a protected network it's convenient to run X11-based programs on remote hosts and display them locally. It is possible to do this over SSH, but there is some overhead... --- gdm.conf 2006/04/05 17:07:05 1.2 +++ gdm.conf 2006/04/05 17:07:52 @@ -187,7 +187,7 @@ # Note: Anytime we find a -query or -indirect on the command line we do # not add a "-nolisten tcp", as then the query just wouldn't work, so # this setting only affects truly local sessions. -#DisallowTCP=true +DisallowTCP=false # By default never place cookies if we "detect" NFS. We detect NFS # by detecting "root-squashing". It seems bad practice to place # cookies on things that go over the network by default and thus we ===/etc/services=== --- /etc/services 2006/02/14 04:40:03 1.1 +++ /etc/services 2006/02/14 04:40:51 @@ -577,4 +577,6 @@ fido 60179/udp # Ifmail # Local services - +# +vnc-1280x1024 5950/tcp # VNC @ 1280x1024 +# ===/etc/xinetd.d/xvncserver=== service vnc-1280x1024 { protocol = tcp socket_type = stream wait = no user = nobody server = /usr/bin/Xvnc server_args = -inetd -query localhost -once -geometry 1280x1024 -depth 24 securitytypes=none } ==Restarting The Gnome Display Manager== The easiest way to do this is to log into a text console (Ctrl-Alt-F1), and running these commands init 3 init 5 /sbin/service xinetd stop /sbin/service xinetd start

1 0

Ethernet not working
by Mike Noble 03 Mar '07

03 Mar '07

I have just installed CentOS 4.4 and can't get the ethernet to work Ethernet is built into the motherboard: Marrvell Technology Ltd. 88E8001 Gigabit Ethernet Controler (reported by Network Configuration) It shows the device is active. using static address /etc/resolv.conf is setup correctly The problem is that I can not talk to anything outside the system. This has worked with Mandriva, Fedora, SuSe and gentoo. Mike

7 10

RPMs
by Mário Gamito 03 Mar '07

03 Mar '07

Hi, I think my problem is related to the way i make my RPMs (i'm newbie at this). Two things: 1) the generated RPMs are only 1,5 kb size. That's inpossible. 2) The rpmbuild -ba zbr.spec indeed installs the software in the building stage. That's odd, isn't it ? Following my signature is an openssl.spec file Any help would be appreciated. Warm regards, Mário Gamito -- Summary: OpenSSL Name: openssl Version: 0.9.8b Release: 6 Source0: %{name}-%{version}.tar.gz License: GPL Source: http://www.mirrorservice.org/sites/ftp.openssl.org/source/openssl-0.9.8b.ta… Group: Applications/Communications %description OpenSSL provides encryption for Apache, SMTP, POP3 and IMAP. %prep %setup -q %build ./config no-idea shared make depend make %install make install echo "\n \n Let's create the CA and the key for Apache/HTTPS: \n \n" /usr/local/ssl/bin/openssl genrsa -des3 -out /usr/local/ssl/bin/ca.key 1024 /usr/local/ssl/bin/openssl req -new -x509 -days 365 -key /usr/local/ssl/bin/ca.key -out /usr/local/ssl/bin/ca.crt /usr/local/ssl/bin/openssl genrsa -des3 -out /usr/local/ssl/bin/server.key 1024 /usr/local/ssl/bin/openssl req -new -key /usr/local/ssl/bin/server.key -out /usr/local/ssl/bin/server.csr echo "\n \n Now for POP3/SSL and IMAP/SSL: \n \n" /usr/local/ssl/bin/openssl req -new -x509 -days 365 -nodes -out /usr/local/ssl/bin/imapd.pem -keyout /usr/local/ssl/bin/imapd.pem || cleanup /usr/local/ssl/bin/openssl gendh >> /usr/local/ssl/bin/imapd.pem || cleanout /usr/local/ssl/bin/openssl x509 -subject -dates -fingerprint -noout -in /usr/local/ssl/bin/imapd.pem || cleanup cp /usr/local/ssl/lib/libcrypto.so.0.9.8 /lib %changelog * Fri Feb 02 2007 Mário Gamito <gamito(a)gmail.comm> 0.9.8.b-2 - fixed to prompt for the CA and the server.key for Apache and cert for POP3/IMAP * Fri Feb 02 2007 Mário Gamito <gamito(a)gmail.comm> 0.9.8.b-3 - fixed to place the CA and server files in the right place * Fri Feb 02 2007 Mário Gamito <gamito(a)gmail.comm> 0.9.8.b-4 - copied libcrypto.so.0.9.8 to /lib. qmail-ldap will need that later.

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RE: [CentOS] My current directory is lost in a bash shell
by Robert Becker Cope 03 Mar '07

03 Mar '07

Theo Band <theo.band(a)xanadu-wireless.com> wrote: > [thba@vink layout]$ nc script/xw_functions.ample > NEdit: getcwd() fails: No such file or directory > NEdit: getcwd() fails: No such file or directory > [thba@vink layout]$ ll script/xw_functions.ample > -rw-rw-r-- 1 thba thba 16829 Oct 25 16:59 script/xw_functions.ample > [thba@vink layout]$ pwd > /home/thba/workarea/colibri/design/ana/layout > [thba@vink layout]$ /bin/pwd > /bin/pwd: cannot get current directory: No such file or directory This is typical when the directory you are in has been removed out from under you. Try this: Log into two shells (or use screen, or whatever), A and B. In A, do "cd ~; mkdir -p xxx/yyy; cd xxx/yyy; touch 123; ls -l 123". Then, in B, do "cd ~; rm -rf xxx". Finally, back in A, repeat what you did above, "ls -l 123; pwd; /bin/pwd". You will find the behavior is the same. Good luck, robert

3 2

Skype on CentOS??
by Doc Schneider 03 Mar '07

03 Mar '07

I'm just curious if Skype will work on CentOS? They have all kinds of FC rpms but which one to install? I'm running CentOS 4.4 I tried the Live CD just to test and it didn't want to find my sound card (Tried the sound card detection on the CD). But, I'm sure, that is a configuration issue and can be works out with ALSA. TIA, -- -Doc Lincoln, NE. http://www.genealogyforyou.com/ http://www.cairnproductions.com/

4 3

My current directory is lost in a bash shell
by Theo Band 03 Mar '07

03 Mar '07

This one puzzles me a lot: [thba@vink layout]$ nc script/xw_functions.ample NEdit: getcwd() fails: No such file or directory NEdit: getcwd() fails: No such file or directory [thba@vink layout]$ ll script/xw_functions.ample -rw-rw-r-- 1 thba thba 16829 Oct 25 16:59 script/xw_functions.ample [thba@vink layout]$ pwd /home/thba/workarea/colibri/design/ana/layout [thba@vink layout]$ /bin/pwd /bin/pwd: cannot get current directory: No such file or directory This error occurs in a bash shell on a regular basis. The funny thing is that I can just access the file by cat: cat script/xw_functions.ample works fine (I get the content of the file). To solve it for this shell I do this: [thba@vink layout]$ cd [thba@vink ~]$ cd - /home/thba/workarea/colibri/design/ana/layout [thba@vink layout]$ nc script/xw_functions.ample And it is fine again. This is a home nfs share mounted with these options: arend:/export/home /home nfs proto=tcp,nfsvers=3,bg,defaults 0 0 Both on the NFS server as on this client I see any errors or warning in any log. All kind of applications are affected by this problem so I need to dig into this deeper. Server: FC3 client: CENTOS4.4 Any help is appreciated. Thanks, Theo

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Re: [CentOS] Lame question about cp
by Mário Gamito 03 Mar '07

03 Mar '07

Hi, Jim Perrin wrote: > -f should allow you to do this. For root, cp is aliased to cp -i, so > you can either set the alias the way you want, or you can do '\cp foo > bar' without the ticks, which tells the system to ignore the alias > for the command. It doesn't work. I already tried that before posting. >> Any help would be appreciated. > > No applause, just throw money. :-P Ah, ah... you don't deserve it :) LOL :) Regards, Mário Gamito

5 4

Swap Considerations
by Mike McCarty 03 Mar '07

03 Mar '07

I am considering installing CentOS 4.4, and am interested in how best to set up. I have been using FC2 and helping administer a Debian machine for a few years, but do not consider myself a Linux guru. My current set up uses a /swap partition which is 2x my memory size mem = 256 MB $ sudo /sbin/fdisk -l /dev/hda6 76506 77545 524128+ 82 Linux swap I'm interested in the use of a file for swap, as I hear that there is now no speed penalty for that. I use ext3 for my partitions. I'm also interested in whether it be reasonable/desirable to make /home, /tmp, and /var be on a separate partition. I have heard arguments on both sides, some claiming that with ext3 the system won't become unbootable because of /tmp filling up. Anyone care to weigh in? Mike -- p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);} Oppose globalization and One World Governments like the UN. This message made from 100% recycled bits. You have found the bank of Larn. I can explain it for you, but I can't understand it for you. I speak only for myself, and I am unanimous in that!

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Build a special RPM
by Mário Gamito 03 Mar '07

03 Mar '07

Hi, I want to build a single RPM that has more than one software in it and a different name from them. Let's imagine for the sake of example that i want to make an RPM called databases.rpm that installs both MySQL and Postgres. How can i do this with a single spec file ? I've googled for an hour or two and found no info about this issue. Can someone enlighten me, please ? WarmRegards, Mário Gamito

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