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Re: [CentOS] offtopic question .. apprecyice ur help
by David G. Miller 01 Nov '08

01 Nov '08

"fabian dacunha" <fabian(a)baladia.gov.kw> wrote with horrible intentional misspellings: > Dear All, > > its a offtopic question but really apprecite if someone would advise n help > i have been running a mil server with sendmail > > and have sbl-xbl.spamhaus.org as my dnsbl. > > i had other servers which are alredy out now > that is relays.ordb.org and dsbl.org have already been out of my sendmail > config. > > any one knows of ny other servers i could add in my sendmail config > > apprecite ur help > > thanks > > > regards > > Fabian I have two blog posts that describe how I deal with spam: http://davenjudy.org/davesBlog/node/22 http://davenjudy.org/davesBlog/node/27 I use a combination of several RBLs and dSPAM that seems to work fairly well and I'm not hearing about any false positives. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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CentOS-announce Digest, Vol 45, Issue 1
by centos-announce-request＠centos.org 01 Nov '08

01 Nov '08

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2008:0965 Important CentOS 3 ia64 lynx - security update (Pasi Pirhonen) 2. CESA-2008:0965 Important CentOS 4 ia64 lynx - security update (Pasi Pirhonen) 3. CESA-2008:0965 Important CentOS 3 s390(x) lynx - security update (Pasi Pirhonen) 4. CESA-2008:0965 Important CentOS 4 s390(x) lynx - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Fri, 31 Oct 2008 19:09:58 +0200 From: Pasi Pirhonen <upi(a)centos.fi> Subject: [CentOS-announce] CESA-2008:0965 Important CentOS 3 ia64 lynx - security update To: centos-announce(a)centos.org Message-ID: <20081031170958.GS5793(a)centos.fi> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2008:0865 https://rhn.redhat.com/errata/RHSA-2008-0965.html The following updated files have been uploaded and are currently syncing to the mirrors: ia64: updates/ia64/RPMS/lynx-2.8.5-11.3.ia64.rpm -- Pasi Pirhonen - upi(a)iki.fi - http://pasi.pirhonen.eu/ Top-postings silently ignored

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Picasa vs. native photo management apps
by Niki Kovacs 01 Nov '08

01 Nov '08

Hi, I'm running a small business (http://www.microlinux.fr) offering various services around GNU/Linux, among which migrating folks from Windows to Linux. On server and desktops, I'm using CentOS exclusively. I know, Fedora would be more suitable, but I like the solidity of CentOS, and I can always build the odd missing bits myself from Fedora SRPMS. My heavily customized CentOS-based desktop is very solid and production-proof (in use in all the public libraries around here). One request that I got more often lately is Google Picasa. I vaguely remember having downloaded and installed it once. As far as I know, it's a closed-source Windows app that comes with a WINE emulation layer. Not exactly the open source spirit. As far as I'm concerned, I manage all my photos with some very basic tools: GThumb, Nautilus, GIMP, and that's it. Are there some tasks one performs with Picasa that one can't perform with these native programs? Or is there some other well-made photo management software that you can recommend as a replacement for Picasa? Cheers, Niki Kovacs

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offtopic question .. apprecyice ur help
by fabian dacunha 31 Oct '08

31 Oct '08

Dear All, its a offtopic question but really apprecite if someone would advise n help i have been running a mil server with sendmail and have sbl-xbl.spamhaus.org as my dnsbl. i had other servers which are alredy out now that is relays.ordb.org and dsbl.org have already been out of my sendmail config. any one knows of ny other servers i could add in my sendmail config apprecite ur help thanks regards Fabian -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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OT: SA/Apache "Best Practice"?
by Camron W. Fox 31 Oct '08

31 Oct '08

Alle, Here is our situation: Our customer leases their machines from us and contract us to to manage them (as far as all systems administration issues). The customer does not have root access to any machine (by their own choice, as they want us to be responsible if something goes awry). In the case of their web servers, we handle all configuration, they manage the content. We make changes to the configuration as necessary to support their content. There is one machine (RHEL5.2) that they are developing on that will become a production box. They have sudo access to manage mysql functions as well as the apache server. They have asked, that we change the default directory permission/ownership of /var/www/html,cgi-bin, instead of using the Documentroot and ScriptAlias parameters in the apache configuration. drwxr-xr-x 2 root root 4096 Jan 11 2008 /var/www/cgi-bin drwxr-xr-x 2 root root 4096 Jan 11 2008 /var/www/html to drwxrwxr-x 2 root user 4096 Jan 11 2008 /var/www/cgi-bin drwxrwxr-x 2 root user 4096 Jan 11 2008 /var/www/html We have explained that it is preferable *not* to modify the default filesystem configuration of the underlying OS and have recommended that they customize the app by specifying a location of their choice in httpd.conf. They argue that they "just want to use the system default location". There is no *technical* reason for this, according to them. The location does not affect the app. None of the other web servers we manage for them use the RHEL apache default, they all have customized locations for content and scripts. My question is: What argument, if any, would you use to try and convince the customer that this is a bad idea/bad practice? Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox(a)us.fujitsu.com Phone: (808) 934-4102 Cell: (808) 937-5026

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Re: [CentOS] offtopic question .. apprecyice ur help
by Glenn 31 Oct '08

31 Oct '08

At 01:34 PM 10/31/2008, you wrote: >Thanks guys for ur immediate reply > >do apprecite > >i try to incoporate some of the RBLS and check it out > > >regards > >simon Depending upon your outcome, there are other methods you can use to modify for better results. You may find inserting the RBL in sendmail as a successful choice. In case you do not, What I use is a combination of scoring within SpamAssassin on the public RBLs and maintaining my own RBL on my local mail servers (See http://www.corpit.ru/mjt/rbldnsd.html) I got too many false positives off publicly available RBLs, but adding up the number of RBLs a sender 'hits' made my SpamAssassin scoring method VERY ACCURATE! Good luck and keep fighting!

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OT - Please don't feed the Troll(s)
by William L. Maltby 31 Oct '08

31 Oct '08

Folks, I fully understand the emotional need to respond to one who throws around terms like "Communist", "Tyrannical", etc. even if ostensibly framed as a rhetorical question. Certain terms and phrases are by nature pejorative and I;m sure the OP knew this when he entered his post. My feeling was the OP is either an ignorant, unappreciative, self-centered, and emotionally immature person that expects all projects and activities to meet his desires, wants and criteria, _or_ he is trolling. In either case, any response you provide will be obviously wasted as the OP's POV will likely not be affected. Therefore, you waste your time responding. Trolls, if not fed, eventually die or wander off into the distance. Please don't feed the trolls. MHO -- Bill

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nfs mounted /home and selinux
by Marc Wiatrowski 31 Oct '08

31 Oct '08

I'm trying to set the context on an nfs mounted /home. I believe exactly like in Redhat's Deployment Guide at http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.2/html/Deployme… On my system running CentOS 5.2: $ ls -alZ /home drwxr-xr-x root root system_u:object_r:home_root_t . drwxr-xr-x root root system_u:object_r:root_t .. $ mount -t nfs -o context=user_u:object_r:user_home_dir_t \ server001a:/vol/vol01/home /home $ ls -alZ /home drwxrwxr-x root root system_u:object_r:nfs_t . drwxr-xr-x root root system_u:object_r:root_t .. drwx------ fred users system_u:object_r:nfs_t fred drwx------ mike users system_u:object_r:nfs_t mike drwx------ alice users system_u:object_r:nfs_t alice $ mount -l server001a:/vol01/home on /home type nfs (rw,context="user_u:object_r:user_home_dir_t:s0",addr=10.1.1.11) Shouldn't the users be set to user_u:object_r:user_home_dir_t? I feel like I am missing something simple... I don't see any avc or related syslog messages and the nfs server is an older netapp if that matters. thanks, marc

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resize LVM (ext3)
by David Hláčik 31 Oct '08

31 Oct '08

Hello guys, my scenario is following 1. I have LVM group named "system" 2. I have a logical volumes - system/root , ext3 mounted as / (20GB) - system/swap, swap - system/home, ext3 mounted as /home (431GB) I need to shrink system/home to 80GB (currently there is 57GB used) and use free space to create another logical volumes. My scenario is 1. reduce ext3 fs size to 80GB by using resize2s 2. reduce system/home size by using lvreduce 3. create another logical volumes Questions 1. How can i be sure that i will shrink ext3 to exact size 80GB and that the same will lvreduce do? I do not want to cut from ext3 filesystem if i will reduce logical volume too much 2. Can you please send me commands to achieve 1) and 2) part of my scenario? 3. Or can i just use lvreduce and my ext3 will shrink automatically? 4. Do i need to umount system/home when resizing? Thanks in advance! David

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Apparently no swap configured
by Ian Masters 31 Oct '08

31 Oct '08

Nate Thanks very much for the reply. > If that volume is not in use by anything else you should > be perfectly able to do: > > mkswap /dev/VolGroup00/swap > swapon /dev/VolGroup00/swap > > then add something like this to fstab: > /dev/VolGroup00 swap swap defaults 0 0 Well it doesn't show up when I do 'df': [root@mail ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 4.8G 446M 4.1G 10% / /dev/mapper/VolGroup00-LogVol02 1.9G 316M 1.5G 18% /var /dev/mapper/VolGroup00-LogVol03 9.5G 2.3G 6.7G 26% /usr /dev/sda1 99M 32M 63M 34% /boot tmpfs 1.9G 0 1.9G 0% /dev/shm /dev/mapper/VolGroup00-LogVol04 9.9G 172M 9.2G 2% /home /dev/mapper/VolGroup00-LogVol05 1.9G 35M 1.8G 2% /tmp Also, as I said /dev/VolGroup00/swap is not listed in /etc/fstab, but it is listed in /dev/mapper/. Is that good enough confirmation that it is not in use? I'm very curious how I managed to get into this situation, using the GUI install method. Any ideas on that? I'd prefer not to be in this situation again. Thanks Ian Masters

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