Discuss September 2009

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300 participants
294 discussions

Re: [CentOS] CentOS for non-tech user
by Christopher Chan 30 Sep '09

30 Sep '09

Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On >> > Behalf > >> Of Marcelo M. Garcia >> Sent: Tuesday, September 29, 2009 10:36 PM >> To: CentOS mailing list >> Subject: Re: [CentOS] CentOS for non-tech user >> >> >>> Not using, but I've tried it in a LAMP-configuration couple of years ago. >>> Stability seems ok, but personally I don't like the sudo this and sudo >>> > that > >>> and sudo everywhere. Besides, it felt somehow clunky. CentOS seemed slim, >>> slick and fast compared at the time, so CentOS is what I got stuck with >>> > (in > >>> an endearing sense of course). >>> >>> HTH. >>> >> Hi Sorin >> >> You can "sudo bash" and you will have a root terminal. In it, you can >> set the root password for root. >> > > Yupp, as I said, at the time I was testing Ubuntu, I was rather green and > didn't know about those little tricks. Now is a another matter, but I still > prefer CentOS. Besides, opening a terminal and typing in "su -" is way > faster. Saves keystrokes. > And I can't believe I just write that...! I sound like a linux > die-hard... > Just try Solaris or FreeBSD then. That should make you a Linux die-hard. :-D

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Re: [CentOS] SATA controler req
by Steve Bonds 30 Sep '09

30 Sep '09

On Wed, Sep 23, 2009 at 2:16 PM, Steve Bonds wrote: > These $50 four port cards work wonderfully with the sata_sil24 drived included > with CentOS: > > http://www.newegg.com/Product/Product.aspx?Item=N82E16816132017 > > They only come as PCI. I never found anything stable enough for me > (which is VERY stable) for PCIe. Perhaps someone else has found > something good for that slot. These look promising: http://www.newegg.com/Product/Product.aspx?Item=N82E16816124027 (Syba SY-PEX40008, info at http://www.iocrest.com/products.php?SY-PEX40008) And at $60 for four ports... relatively affordable. I have not tried them personally since I have enough ports for now. However, this is probably the one I try when I run out unless someone else comes back with something better. :-) -- Steve

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Gathering information about RAM in sockets
by Timo Schoeler 30 Sep '09

30 Sep '09

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi list, I have an IBM xseries 345, running CentOS 5.3, hosting a few Xen domUs. However, I need more RAM -- but cannot remember if all (four) RAM sockets are populated (which would mean to buy higher capacity modules) or if there are two slots left to use. However, I'd like (and think that it's possible, but don't remember how) to check remotely. dmesg's first lines: Linux version 2.6.18-164.el5xen (mockbuild(a)builder16.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Thu Sep 3 04:47:32 EDT 2009 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000020800000 (usable) 0MB HIGHMEM available. 520MB LOWMEM available. Using x86 segment limits to approximate NX protection On node 0 totalpages: 133120 DMA zone: 133120 pages, LIFO batch:31 DMI 2.3 present. ACPI: RSDP (v000 IBM ) @ 0x000fdfc0 ACPI: RSDT (v001 IBM SERONYXP 0x00001000 IBM 0x45444f43) @ 0x7ffdff80 ACPI: FADT (v001 IBM SERONYXP 0x00001000 IBM 0x45444f43) @ 0x7ffdff00 ACPI: MADT (v001 IBM SERONYXP 0x00001000 IBM 0x45444f43) @ 0x7ffdfe40 ACPI: ASF! (v016 IBM SERONYXP 0x00000001 IBM 0x45444f43) @ 0x7ffdfd80 ACPI: DSDT (v001 IBM SERGEODE 0x00001000 MSFT 0x0100000b) @ 0x00000000 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x06] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x07] enabled) ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1]) ACPI: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 14, version 17, address 0xfec00000, GSI 0-15 ACPI: IOAPIC (id[0x0d] address[0xfec01000] gsi_base[16]) IOAPIC[1]: apic_id 13, version 17, address 0xfec01000, GSI 16-31 ACPI: IOAPIC (id[0x0c] address[0xfec02000] gsi_base[32]) IOAPIC[2]: apic_id 12, version 17, address 0xfec02000, GSI 32-47 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ5 used by override. Enabling APIC mode: Flat. Using 3 I/O APICs Using ACPI (MADT) for SMP configuration information Built 1 zonelists. Total pages: 133120 Kernel command line: ro root=/dev/VG00/VG_root Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 CPU 0 irqstacks, hard=c0750000 soft=c0730000 PID hash table entries: 4096 (order: 12, 16384 bytes) Xen reported: 3059.962 MHz processor. Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Software IO TLB enabled: Aperture: 2 megabytes (...) Any hints? Thanks in advance, Timo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with CentOS - http://enigmail.mozdev.org/ iD8DBQFKw42gO/2mgkVVV7kRAsXnAJ9RTvHcvPeMBzDY5a3OOzLPKhY7ygCgiFGy FIJCYVvuTxAlvy59u5/HA9g= =/OwG -----END PGP SIGNATURE-----

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[JOB] Linux Sysadmin, London
by Stephen Nelson-Smith 30 Sep '09

30 Sep '09

Hello, I've been asked to recruit a Linux Systems Administrator for one of our clients. They're based in London, but I know many folk who commute from Hampshire, so here's the spec: Job: Systems Administrator Company: Wordtracker Location: Kentish Town, London, NW5 (excellent transport) Salary: £45K Culture: No tie. Agile development Hours: PAYE, 5 days a week (Monday - Friday), min 35 hrs, flexible but core office hours are from 11am - 5pm. Benefits: Free food on Friday! 23 days holiday & pension. THE COMPANY Wordtracker is a small company of around 15 people and our offices are based in Kentish Town, London. Roughly half of the people are developers mainly using: PHP, Ruby (and Ruby on Rails) and agile development. We specialise in: keywords, data analysis, mining and extracting meaning out of online data. Our primary product is the keyword research tool, Wordtracker (http://www.wordtracker.com) which has been serving keywords to customers for over 10 years (since 1998). THE CULTURE Wordtracker has been using agile and extreme programming across our company since we started and as a result our roles includes pairing time with other developers and management. The style is informal (a tie free zone). Most of what we do we haven't done before, so Wordtracker is very much a learning organisation. THE CHALLENGE Wordtracker is a large technically complicated environment, much of which has been built from scratch. In addition to maintaining a business-critical web front-end, there is a significant amount of batch processing and database work involved in keeping Wordtracker running. Most of this infrastructure is very highly automated. We need someone to join the team, assimilate quickly a deep and diverse body of knowledge, get their head around the system and work to improve it continuously. THE ROLE Personality: * Open and communicative * Commercially aware * Comfortable working with Agile Methodologies Experience: * Fluent in sysadmin tools, including Puppet and Nagios * Experienced with version control (git) * Comfortable working with scripting languages, Bash and the Unix command line, particularly in a web environment * Open to working within iterations; estimating tasks; familiar with pairing * Experience with high availability systems Platform: * CentOS & RedHat (RH Certificate welcome) Technologies: * Web servers - (NginX, Apache, Passenger) * Virtualisation (Xen and VM Ware) * Databases (MySQL, Postgres) * Automation tools (e.g. Puppet and Chef) * Monitoring tools (Nagios) * Firewalls (iptables) * Storage (SAN, NFS, Samba) * Packaging (RPMs) * Mac support (no windows support needed) If this interests you please contact me off list, ASAP. Thanks, S. -- Stephen Nelson-Smith Technical Director Atalanta Systems Ltd www.atalanta-systems.com

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cups-lpd job settings
by janezkosmr 30 Sep '09

30 Sep '09

Does someone know, how to configure cups lpd job options. My xinet.d config looks like this: # default: off # description: Allow applications using the legacy lpd protocol to communicate w ith CUPS service printer { disable = no socket_type = stream protocol = tcp wait = no user = lp server = /usr/lib/cups/daemon/cups-lpd server_args = -o job-sheets=none,none -o cpi=12 } The problem is, that it cups ignores the second option under server_args. I checked the documentation and googled quite a lot, but I couldn't find an example with more then one option. BR Janez

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Scan to email
by Joseph L. Casale 29 Sep '09

29 Sep '09

Anyone done this w/ Linux before? Not having ever used this functionality, I can only speculate but I have been asked to setup an MFP such that when you scan to email, it hits a postfix instance which rewrites the email (so it can be typed short) and sends it on to our email-fax service. It seemed simple, so long as I get an MFP that supports emailing from its console as all the cheap mfps's I know of require some lame app that usually only runs on windows. It all seems simple enough, pending I get the appropriate mfp? Anyone done this with an Ethernet based unit that can share an opinion? The postfix rewriting part seems simple enough! Thanks! jlc

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Any ETA on 5.4?
by John Plemons 29 Sep '09

29 Sep '09

I can wait, I just have a project coming up and am planning. I remember seeing a post a couple of weeks back that RedHat 5.4 was released and at that time a couple of weeks was thrown out for Centos 5.4 being released. Are we still on schedule? Thank you,, John Plemons

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Removing xorg stuff
by Bob Hoffman 29 Sep '09

29 Sep '09

Starting to clean out my server. I use command line only. Even though I tried not to install the gnome and x, a lot of stuff did install anyway. In testing the removal process I find I cannot use yum remove due to losing to many programs due to dependency. Trying to remove via rpm -e is nigh impossible as it appears to be an unknown chain of dependencies separate from the ones using yum that block any way of deleting it. I am thinking to do a rpm -e and then trying to take out all the dependent ones.. However..I am not sure about taking out X since so many items were installed with the system and maybe some are needed? It is obvious that I need to do one or a few files at a time since I can find no way to take out the whole xorg package as of yet. My big fear....is X needed in some way by my server in ways I do not know? I use it as a webserver and shell in with no graphic interface stuff except those like system-level-security and such... No many x installed items deal with lvm and such...scary

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Stupid Question (Linux antivirus)
by Eric Clark 29 Sep '09

29 Sep '09

Is there a real big need for having an anti-virus on linux? if so what are some good ones to use?

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What is this
by DTS Corp 29 Sep '09

29 Sep '09

I was working in terminal and then found this on the desktop when I do an ls [root@dtslinux Desktop]# ls bar-003ada89db.desktop hadjaha-00c578ceaf.desktop bar-004892226f.desktop hammer-0011bbeb3d.desktop blah-0055ff1151.desktop hammer-00d190a421.desktop blah-009c014480.desktop keepassx-0.4.1 eek-00db4ea619.desktop keepassx-0.4.1.tar.gz eek-00de4431f4.desktop larry-0023e3d52c.desktop fastdial.zip larry-00a684c0cb.desktop foo-00486f05c7.desktop larry-00b63b0df7.desktop foo-00b9b9885b.desktop LINUX_PGS frobate-0006e2ba19.desktop moe-005b3271e6.desktop frobate-005c7f80ac.desktop password-export-2009-09-29.xml frobate-00b72346e3.desktop syncplaces_xbel.xml gegl-00bd38555d.desktop tightvnc-1.3.9-1.i386.rpm gegl-00ff8ceb54.desktop tightvnc-server-1.3.9-1.i386.rpm greasy-003a02bd3b.desktop tt greasy-00dc97e833.desktop westfield 2.pdf hadjaha-00288b23b8.desktop [root@dtslinux Desktop]# ls bar-003ada89db.desktop hadjaha-00c578ceaf.desktop bar-004892226f.desktop hammer-0011bbeb3d.desktop blah-0055ff1151.desktop hammer-00d190a421.desktop blah-009c014480.desktop keepassx-0.4.1 eek-00db4ea619.desktop keepassx-0.4.1.tar.gz eek-00de4431f4.desktop larry-0023e3d52c.desktop fastdial.zip larry-00a684c0cb.desktop foo-00486f05c7.desktop larry-00b63b0df7.desktop foo-00b9b9885b.desktop LINUX_PGS frobate-0006e2ba19.desktop moe-005b3271e6.desktop frobate-005c7f80ac.desktop password-export-2009-09-29.xml frobate-00b72346e3.desktop syncplaces_xbel.xml gegl-00bd38555d.desktop tightvnc-1.3.9-1.i386.rpm gegl-00ff8ceb54.desktop tightvnc-server-1.3.9-1.i386.rpm greasy-003a02bd3b.desktop tt greasy-00dc97e833.desktop westfield 2.pdf

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Discuss September 2009