Discuss January 2008

discuss@lists.centos.org

311 participants
383 discussions

Worth upgrading desktop to 5.1?
by Sean Carolan 23 Jan '08

23 Jan '08

I am using CentOS 5.0 on my desktop workstation. Are there any deeply compelling reasons to upgrade to version 5.1? I read through the release notes but didn't see any whiz-bang new features. Perhaps some of you can share your personal experience letting us know if you have noticed any differences, etc.

8 15

Hot swapping sata drives
by Jerry Geis 23 Jan '08

23 Jan '08

I have a two external USB drives only 1 is connected to centos 5.1 at a time. the USB drive is SLOW compared to SATA. The external drive suppots both connections USB and SATA. I bought a little $5 external SATA connector that goes into the PCI slot area (does not actually take a PCI slot just the backpanel) and just plugs back into one of the available SATA ports on the motherboard. When I turn off the external drive and put the other drive on the connection and then power on will SATA handle that automatically? Is there a command I need to run to tell it check for new disks? Is this possible? Will I have to reboot to get the swapped external disk detected. jerry

3 2

HA software advice
by Scott McClanahan 23 Jan '08

23 Jan '08

We are in need of some very basic software that will give us the ability to swing an ip address from one host to another during controlled maintenance or host failure. For now the IP address will be the only resource that is shared and there will never be a need for shared storage. Eventually we may want to monitor processes for health (probably just read in pid file) and it would be great if the recommended software had this ability as well but not completely necessary. The process monitoring part is just me trying to think ahead but it definitely wouldn't be needed in the near future. Ideally, this should be light weight user land code that hopefully already comes easily with the distribution :) Any suggestions? Thanks.

2 4

limiting cron's capability?
by Scott Ehrlich 23 Jan '08

23 Jan '08

Is it possible to prevent cron from executing something in a world-readable directory, or a directory branching off a world-readable directory? Thanks. Scott

2 2

Had to POWER OFF CentOS 5.1!
by Frank M. Ramaekers 23 Jan '08

23 Jan '08

I was running a simple script and the system became unresponsive. I went to the console and couldn't get it to respond, so I had to POWER OFF! Ugh! (Note: this script, get-backup, ran fine on a CentOS 4.5 system) Looking through /var/log/messages, I see: Jan 23 12:52:14 DoyleBrunson kernel: ps invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 Jan 23 12:52:14 DoyleBrunson kernel: [<c0455946>] out_of_memory+0x72/0x1a4 Jan 23 12:52:14 DoyleBrunson kernel: [<c0456d71>] __alloc_pages+0x201/0x282 Jan 23 12:52:14 DoyleBrunson kernel: [<c049c8af>] proc_info_read+0x0/0x96 Jan 23 12:52:14 DoyleBrunson kernel: [<c0456e17>] __get_free_pages+0x25/0x31 Jan 23 12:52:14 DoyleBrunson kernel: [<c049c8e7>] proc_info_read+0x38/0x96 Jan 23 12:52:14 DoyleBrunson kernel: [<c049c8af>] proc_info_read+0x0/0x96 Jan 23 12:52:14 DoyleBrunson kernel: [<c046f000>] vfs_read+0x9f/0x141 Jan 23 12:52:14 DoyleBrunson kernel: [<c046f44e>] sys_read+0x3c/0x63 Jan 23 12:52:14 DoyleBrunson kernel: [<c0404eff>] syscall_call+0x7/0xb Jan 23 12:52:14 DoyleBrunson kernel: ======================= Jan 23 12:52:14 DoyleBrunson kernel: Mem-info: Jan 23 12:52:14 DoyleBrunson kernel: DMA per-cpu: Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 hot: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 cold: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 hot: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 cold: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 hot: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 cold: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 hot: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 cold: high 0, batch 1 used:0 Jan 23 12:52:19 DoyleBrunson kernel: DMA32 per-cpu: empty Jan 23 12:52:19 DoyleBrunson kernel: Normal per-cpu: Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 hot: high 186, batch 31 used:30 Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 cold: high 62, batch 15 used:51 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 hot: high 186, batch 31 used:18 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 cold: high 62, batch 15 used:57 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 hot: high 186, batch 31 used:124 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 cold: high 62, batch 15 used:48 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 hot: high 186, batch 31 used:27 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 cold: high 62, batch 15 used:49 Jan 23 12:52:19 DoyleBrunson kernel: HighMem per-cpu: Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 hot: high 186, batch 31 used:26 Jan 23 12:52:19 DoyleBrunson kernel: cpu 0 cold: high 62, batch 15 used:58 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 hot: high 186, batch 31 used:34 Jan 23 12:52:19 DoyleBrunson kernel: cpu 1 cold: high 62, batch 15 used:52 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 hot: high 186, batch 31 used:10 Jan 23 12:52:19 DoyleBrunson kernel: cpu 2 cold: high 62, batch 15 used:49 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 hot: high 186, batch 31 used:29 Jan 23 12:52:19 DoyleBrunson kernel: cpu 3 cold: high 62, batch 15 used:32 Jan 23 12:52:19 DoyleBrunson kernel: Free pages: 63200kB (55988kB HighMem) Jan 23 12:52:19 DoyleBrunson kernel: Active:352452 inactive:210731 dirty:0 writeback:11 unstable:0 free:15800 slab:207608 mapped-file:8236 mapped-anon:538350 pagetables:249759 Jan 23 12:52:19 DoyleBrunson kernel: DMA free:3588kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes Jan 23 12:52:19 DoyleBrunson kernel: lowmem_reserve[]: 0 0 880 4272 Jan 23 12:52:19 DoyleBrunson kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no Jan 23 12:52:19 DoyleBrunson kernel: lowmem_reserve[]: 0 0 880 4272 Jan 23 12:52:19 DoyleBrunson kernel: Normal free:3624kB min:3756kB low:4692kB high:5632kB active:128kB inactive:68kB present:901120kB pages_scanned:236678 all_unreclaimable? yes Jan 23 12:52:19 DoyleBrunson kernel: lowmem_reserve[]: 0 0 0 27136 Jan 23 12:52:19 DoyleBrunson kernel: HighMem free:55988kB min:512kB low:4132kB high:7756kB active:1409680kB inactive:842856kB present:3473408kB pages_scanned:80861 all_unreclaimable? no Jan 23 12:52:19 DoyleBrunson kernel: lowmem_reserve[]: 0 0 0 0 Jan 23 12:52:19 DoyleBrunson kernel: DMA: 1*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3588kB Jan 23 12:52:19 DoyleBrunson kernel: DMA32: empty Jan 23 12:52:19 DoyleBrunson kernel: Normal: 106*4kB 18*8kB 9*16kB 3*32kB 0*64kB 2*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3624kB Jan 23 12:52:19 DoyleBrunson kernel: HighMem: 5627*4kB 2159*8kB 507*16kB 89*32kB 10*64kB 6*128kB 9*256kB 3*512kB 0*1024kB 0*2048kB 0*4096kB = 55988kB Jan 23 12:52:19 DoyleBrunson kernel: Swap cache: add 511830, delete 487616, find 8872/16819, race 0+0 Jan 23 12:52:19 DoyleBrunson kernel: Free swap = 260420kB Jan 23 12:52:19 DoyleBrunson kernel: Total swap = 2031608kB Jan 23 12:52:19 DoyleBrunson kernel: Free swap: 260420kB Jan 23 12:52:19 DoyleBrunson kernel: 1097728 pages of RAM Jan 23 12:52:19 DoyleBrunson kernel: 868352 pages of HIGHMEM Jan 23 12:52:19 DoyleBrunson kernel: 59036 reserved pages Jan 23 12:52:19 DoyleBrunson kernel: 6305317 pages shared Jan 23 12:52:19 DoyleBrunson kernel: 24238 pages swap cached Jan 23 12:52:19 DoyleBrunson kernel: 0 pages dirty Jan 23 12:52:19 DoyleBrunson kernel: 11 pages writeback Jan 23 12:52:19 DoyleBrunson kernel: 8236 pages mapped Jan 23 12:52:19 DoyleBrunson kernel: 207608 pages slab Jan 23 12:52:19 DoyleBrunson kernel: 249759 pages pagetables Jan 23 12:52:19 DoyleBrunson kernel: Out of memory: Killed process 2757 (java). Jan 23 12:52:19 DoyleBrunson kernel: get-backup invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 Jan 23 12:52:19 DoyleBrunson kernel: [<c0455946>] out_of_memory+0x72/0x1a4 Jan 23 12:52:35 DoyleBrunson kernel: [<c0456d71>] __alloc_pages+0x201/0x282 Jan 23 12:52:43 DoyleBrunson kernel: [<c046b266>] cache_alloc_refill+0x26d/0x450 Jan 23 12:52:48 DoyleBrunson kernel: [<c046afef>] kmem_cache_alloc+0x41/0x4b Jan 23 12:52:48 DoyleBrunson kernel: [<c0424e07>] copy_process+0xa97/0x11e4 Jan 23 12:52:48 DoyleBrunson kernel: [<c0425595>] do_fork+0x41/0x130 Jan 23 12:52:48 DoyleBrunson kernel: [<c04031aa>] sys_clone+0x28/0x2d Jan 23 12:52:49 DoyleBrunson kernel: [<c0404eff>] syscall_call+0x7/0xb Jan 23 12:52:49 DoyleBrunson kernel: ======================= Jan 23 12:52:49 DoyleBrunson kernel: Mem-info: Jan 23 12:52:49 DoyleBrunson kernel: DMA per-cpu: Jan 23 12:52:49 DoyleBrunson kernel: cpu 0 hot: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 0 cold: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 1 hot: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 1 cold: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 2 hot: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 2 cold: high 0, batch 1 used:0 Jan 23 12:52:49 DoyleBrunson kernel: cpu 3 hot: high 0, batch 1 used:0 Jan 23 12:52:50 DoyleBrunson kernel: cpu 3 cold: high 0, batch 1 used:0 Jan 23 12:52:50 DoyleBrunson kernel: DMA32 per-cpu: empty Jan 23 12:52:50 DoyleBrunson kernel: Normal per-cpu: Jan 23 12:52:50 DoyleBrunson kernel: cpu 0 hot: high 186, batch 31 used:11 Jan 23 12:52:50 DoyleBrunson kernel: cpu 0 cold: high 62, batch 15 used:52 Jan 23 12:52:50 DoyleBrunson kernel: cpu 1 hot: high 186, batch 31 used:26 Jan 23 12:52:50 DoyleBrunson kernel: cpu 1 cold: high 62, batch 15 used:51 Jan 23 12:52:50 DoyleBrunson kernel: cpu 2 hot: high 186, batch 31 used:30 Jan 23 12:52:50 DoyleBrunson kernel: cpu 2 cold: high 62, batch 15 used:51 Jan 23 12:52:50 DoyleBrunson kernel: cpu 3 hot: high 186, batch 31 used:30 Jan 23 12:52:50 DoyleBrunson kernel: cpu 3 cold: high 62, batch 15 used:59 Jan 23 12:52:50 DoyleBrunson kernel: HighMem per-cpu: Jan 23 12:52:50 DoyleBrunson kernel: cpu 0 hot: high 186, batch 31 used:42 Jan 23 12:52:50 DoyleBrunson kernel: cpu 0 cold: high 62, batch 15 used:58 Jan 23 12:52:50 DoyleBrunson kernel: cpu 1 hot: high 186, batch 31 used:44 Jan 23 12:52:50 DoyleBrunson kernel: cpu 1 cold: high 62, batch 15 used:52 Jan 23 12:53:07 DoyleBrunson kernel: cpu 2 hot: high 186, batch 31 used:21 Jan 23 12:53:07 DoyleBrunson kernel: cpu 2 cold: high 62, batch 15 used:48 Jan 23 12:53:07 DoyleBrunson kernel: cpu 3 hot: high 186, batch 31 used:137 Jan 23 12:53:07 DoyleBrunson kernel: cpu 3 cold: high 62, batch 15 used:32 Jan 23 12:53:07 DoyleBrunson kernel: Free pages: 50376kB (43092kB HighMem) Jan 23 12:53:07 DoyleBrunson kernel: Active:355196 inactive:210760 dirty:1 writeback:0 unstable:0 free:12594 slab:207650 mapped-file:8223 mapped-anon:540327 pagetables:250113 Jan 23 12:53:07 DoyleBrunson kernel: DMA free:3588kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes Jan 23 12:53:07 DoyleBrunson kernel: lowmem_reserve[]: 0 0 880 4272 Jan 23 12:53:07 DoyleBrunson kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no Jan 23 12:53:07 DoyleBrunson kernel: lowmem_reserve[]: 0 0 880 4272 Jan 23 12:53:07 DoyleBrunson kernel: Normal free:3696kB min:3756kB low:4692kB high:5632kB active:16kB inactive:188kB present:901120kB pages_scanned:347 all_unreclaimable? yes Jan 23 12:53:07 DoyleBrunson kernel: lowmem_reserve[]: 0 0 0 27136 Jan 23 12:53:07 DoyleBrunson kernel: HighMem free:43092kB min:512kB low:4132kB high:7756kB active:1420768kB inactive:842852kB present:3473408kB pages_scanned:80861 all_unreclaimable? no Jan 23 12:53:07 DoyleBrunson kernel: lowmem_reserve[]: 0 0 0 0 Jan 23 12:53:07 DoyleBrunson kernel: DMA: 1*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3588kB Jan 23 12:53:07 DoyleBrunson kernel: DMA32: empty Jan 23 12:53:07 DoyleBrunson kernel: Normal: 104*4kB 24*8kB 7*16kB 3*32kB 1*64kB 2*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3696kB Jan 23 12:53:07 DoyleBrunson kernel: HighMem: 2403*4kB 2159*8kB 507*16kB 89*32kB 10*64kB 6*128kB 9*256kB 3*512kB 0*1024kB 0*2048kB 0*4096kB = 43092kB Jan 23 12:53:07 DoyleBrunson kernel: Swap cache: add 513474, delete 488542, find 9543/17726, race 0+0 Jan 23 12:53:07 DoyleBrunson kernel: Free swap = 283336kB Jan 23 12:53:07 DoyleBrunson kernel: Free swap = 283336kB Jan 23 12:53:07 DoyleBrunson kernel: Total swap = 2031608kB Jan 23 12:53:07 DoyleBrunson kernel: Free swap: 283336kB Jan 23 12:53:08 DoyleBrunson kernel: 1097728 pages of RAM Jan 23 12:53:08 DoyleBrunson kernel: 868352 pages of HIGHMEM Jan 23 12:53:08 DoyleBrunson kernel: 59036 reserved pages Jan 23 12:53:08 DoyleBrunson kernel: 6313677 pages shared Jan 23 12:53:08 DoyleBrunson kernel: 24932 pages swap cached Jan 23 12:53:08 DoyleBrunson kernel: 1 pages dirty Jan 23 12:53:08 DoyleBrunson kernel: 0 pages writeback Jan 23 12:53:08 DoyleBrunson kernel: 8223 pages mapped Jan 23 12:53:08 DoyleBrunson kernel: 207650 pages slab Jan 23 12:53:08 DoyleBrunson kernel: 250113 pages pagetables Jan 23 12:53:08 DoyleBrunson kernel: Out of memory: Killed process 2674 (mysqld). Jan 23 12:53:08 DoyleBrunson kernel: sendmail invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 Jan 23 12:53:08 DoyleBrunson kernel: [<c0455946>] out_of_memory+0x72/0x1a4 Jan 23 12:53:08 DoyleBrunson kernel: [<c0456d71>] __alloc_pages+0x201/0x282 Jan 23 12:53:08 DoyleBrunson kernel: [<c0456e17>] __get_free_pages+0x25/0x31 Jan 23 12:53:08 DoyleBrunson kernel: [<c04be3c6>] selinux_proc_get_sid+0x22/0xb6 Jan 23 12:53:08 DoyleBrunson kernel: [<c04beaf3>] selinux_inode_alloc_security+0x50/0x7b Jan 23 12:53:08 DoyleBrunson kernel: [<c04be841>] inode_doinit_with_dentry+0x3e7/0x495 Jan 23 12:53:08 DoyleBrunson kernel: [<c0482904>] d_instantiate+0x60/0x64 Jan 23 12:53:08 DoyleBrunson kernel: [<c049e4ac>] proc_lookup+0x6b/0xa7 Jan 23 12:53:08 DoyleBrunson kernel: [<c049b70b>] proc_root_lookup+0xe/0x26 Jan 23 12:53:08 DoyleBrunson kernel: [<c0479e01>] do_lookup+0xb4/0x166 Jan 23 12:53:08 DoyleBrunson kernel: [<c047bb8b>] __link_path_walk+0x87a/0xd33 Jan 23 12:53:08 DoyleBrunson kernel: [<c047c08d>] link_path_walk+0x49/0xbd Jan 23 12:53:08 DoyleBrunson kernel: [<c047c45a>] do_path_lookup+0x20e/0x25e Jan 23 12:53:08 DoyleBrunson kernel: [<c046fa4b>] get_empty_filp+0x99/0x15e Jan 23 12:53:08 DoyleBrunson kernel: [<c047cd07>] __path_lookup_intent_open+0x42/0x72 Jan 23 12:53:08 DoyleBrunson kernel: [<c047cd86>] path_lookup_open+0xf/0x13 Jan 23 12:53:08 DoyleBrunson kernel: [<c047ce8a>] open_namei+0x7b/0x609 Jan 23 12:53:08 DoyleBrunson kernel: [<c046d56a>] do_filp_open+0x1c/0x31 Jan 23 12:53:08 DoyleBrunson kernel: [<c046d5bd>] do_sys_open+0x3e/0xae Jan 23 12:53:08 DoyleBrunson kernel: [<c046d65a>] sys_open+0x16/0x18 Jan 23 12:53:08 DoyleBrunson kernel: [<c0404eff>] syscall_call+0x7/0xb Jan 23 12:53:08 DoyleBrunson kernel: ======================= Jan 23 12:53:08 DoyleBrunson kernel: Mem-info: Jan 23 12:53:08 DoyleBrunson kernel: DMA per-cpu: Jan 23 12:53:08 DoyleBrunson kernel: cpu 0 hot: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 0 cold: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 1 hot: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 1 cold: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 2 hot: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 2 cold: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 3 hot: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: cpu 3 cold: high 0, batch 1 used:0 Jan 23 12:53:08 DoyleBrunson kernel: DMA32 per-cpu: empty Jan 23 12:53:08 DoyleBrunson kernel: Normal per-cpu: Jan 23 12:53:08 DoyleBrunson kernel: cpu 0 hot: high 186, batch 31 used:16 Jan 23 12:53:08 DoyleBrunson kernel: cpu 0 cold: high 62, batch 15 used:54 Jan 23 12:53:08 DoyleBrunson kernel: cpu 1 hot: high 186, batch 31 used:34 Jan 23 12:53:08 DoyleBrunson kernel: cpu 1 cold: high 62, batch 15 used:51 Jan 23 12:53:08 DoyleBrunson kernel: cpu 2 hot: high 186, batch 31 used:101 Jan 23 12:53:08 DoyleBrunson kernel: cpu 2 cold: high 62, batch 15 used:55 Jan 23 12:53:08 DoyleBrunson kernel: cpu 3 hot: high 186, batch 31 used:29 Jan 23 12:53:08 DoyleBrunson kernel: cpu 3 cold: high 62, batch 15 used:59 Jan 23 12:53:08 DoyleBrunson kernel: HighMem per-cpu: Jan 23 13:09:16 DoyleBrunson syslogd 1.4.1: restart. Jan 23 13:09:16 DoyleBrunson kernel: klogd 1.4.1, log source = /proc/kmsg started. Jan 23 13:09:16 DoyleBrunson kernel: Linux version 2.6.18-53.1.4.el5PAE (mockbuild(a)builder6.centos.org) (gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)) #1 SMP Fri Nov 30 01:21:20 EST 2007 Jan 23 13:09:16 DoyleBrunson kernel: BIOS-provided physical RAM map: Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 0000000000000000 - 000000000009c000 (usable) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 000000000009c000 - 00000000000a0000 (reserved) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 0000000000100000 - 00000000f3feb2c0 (usable) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 00000000f3feb2c0 - 00000000f3ff0000 (ACPI data) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 00000000f3ff0000 - 00000000f4000000 (reserved) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) Jan 23 13:09:16 DoyleBrunson kernel: BIOS-e820: 0000000100000000 - 000000010c000000 (usable) Jan 23 13:09:16 DoyleBrunson kernel: 3392MB HIGHMEM available. Jan 23 13:09:16 DoyleBrunson kernel: 896MB LOWMEM available. Jan 23 13:09:16 DoyleBrunson kernel: found SMP MP-table at 0009c140 Jan 23 13:09:16 DoyleBrunson kernel: Memory for crash kernel (0x0 to 0x0) notwithin permissible range Jan 23 13:09:16 DoyleBrunson kernel: disabling kdump Jan 23 13:09:16 DoyleBrunson kernel: Using x86 segment limits to approximate NX protection Jan 23 13:09:16 DoyleBrunson kernel: DMI 2.3 present. Jan 23 13:09:16 DoyleBrunson kernel: Using APIC driver default Jan 23 13:09:16 DoyleBrunson kernel: ACPI: PM-Timer IO Port: 0x488 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) Jan 23 13:09:16 DoyleBrunson kernel: Processor #0 15:2 APIC version 20 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x06] enabled) Jan 23 13:09:16 DoyleBrunson kernel: Processor #6 15:2 APIC version 20 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Jan 23 13:09:16 DoyleBrunson kernel: Processor #1 15:2 APIC version 20 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x07] enabled) Jan 23 13:09:16 DoyleBrunson kernel: Processor #7 15:2 APIC version 20 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1]) Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1]) Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) Jan 23 13:09:16 DoyleBrunson audispd: starting audispd Jan 23 13:09:16 DoyleBrunson kernel: ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1]) Jan 23 13:09:16 DoyleBrunson kernel: ACPI: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0]) Jan 23 13:09:16 DoyleBrunson kernel: IOAPIC[0]: apic_id 14, version 17, address 0xfec00000, GSI 0-15 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: IOAPIC (id[0x0d] address[0xfec01000] gsi_base[16]) Jan 23 13:09:16 DoyleBrunson kernel: IOAPIC[1]: apic_id 13, version 17, address 0xfec01000, GSI 16-31 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: IOAPIC (id[0x0c] address[0xfec02000] gsi_base[32]) Jan 23 13:09:16 DoyleBrunson kernel: IOAPIC[2]: apic_id 12, version 17, address 0xfec02000, GSI 32-47 Jan 23 13:09:16 DoyleBrunson kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Jan 23 13:09:16 DoyleBrunson kernel: Enabling APIC mode: Flat. Using 3 I/O APICs Jan 23 13:09:16 DoyleBrunson kernel: Using ACPI (MADT) for SMP configuration information Jan 23 13:09:16 DoyleBrunson kernel: Allocating PCI resources starting at f5000000 (gap: f4000000:0ac00000) Jan 23 13:09:16 DoyleBrunson kernel: Detected 3060.421 MHz processor. Jan 23 13:09:16 DoyleBrunson kernel: Built 1 zonelists. Total pages: 1097728 Jan 23 13:09:16 DoyleBrunson kernel: Kernel command line: ro root=/dev/VolGroup00/LogVol00 rhgb quiet Jan 23 13:09:16 DoyleBrunson kernel: Enabling fast FPU save and restore... done. Jan 23 13:09:16 DoyleBrunson kernel: Enabling unmasked SIMD FPU exception support... done. Jan 23 13:09:16 DoyleBrunson kernel: Initializing CPU#0 Jan 23 13:09:16 DoyleBrunson kernel: CPU 0 irqstacks, hard=c0740000 soft=c0720000 Jan 23 13:09:16 DoyleBrunson kernel: PID hash table entries: 4096 (order: 12, 16384 bytes) Jan 23 13:09:16 DoyleBrunson kernel: Console: colour VGA+ 80x25 : : Ideas as to a methodology to diagnose the problem? Frank M. Ramaekers Jr. Systems Programmer MCP, MCP+I, MCSE & RHCE American Income Life Insurance Co. Phone: (254)761-6649 1200 Wooded Acres Dr. Fax: (254)741-5777 Waco, Texas 76701 _____________________________________________________ This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at PrivacyAct(a)ailife.com.

4 3

Internet usage monitoring
by dnk 23 Jan '08

23 Jan '08

I was just curious what other admins were using to monitor internet usage.... just a squid transparent proxy with something like sarge? Thanks! dnk

7 11

Wireless DELL M90 with CentOS 5.1
by MOKRANI Rachid 23 Jan '08

23 Jan '08

Hi, I have a laptop DELL M90 with an Intel PRO/Wireless 3945ABG card. After installed new rpm drivers (see below), my card is recognized and I can see my wireless acces point with (iwlist - iwconfig) but it's impossible to connect to it. It seem that I can't obtain an IP address. In the log message I have "dhclient : DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval ) The same laptop installed in Windows XP connect imediatly to my wireless acces point. Other Windows XP laptops can connect immediatly so. My laptop is installed with CentOS 5.1 - kernel 2.6.18-53.el5 Any help ? Best Regards. I have installed the following rpm : ieee80211-kmdl-2.6.18-53.el5-1.2.18-21.el5.x86_64.rpm ipw3945-ucode-1.14.2-4.at.noarch.rpm ipw3945d-1.7.22-4.at.x86_64.rpm ipw3945-kmdl-2.6.18-53.el5-1.2.0-18.4.el5.x86_64.rpm ipw3945-1.2.0-18.4.el5.x86_64.rpm I'm using the following script in the booting process for recognizd the card. ######################################################################################## #! /bin/sh # # Intel Pro/wireless 3945BG: ipw3945d deamon # #chkconfig: 35 20 86 #description: This is a daemon for automatically switching \ # ipw3945d on to get access to any AP. # # Source function library. . /etc/rc.d/init.d/functions PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DESC="Intel PRO/Wireless 3945BG" NAME=ipw3945d SCRIPTNAME=/etc/init.d/ipw3945 # Hopefully exit if the package has been removed. test -x $SCRIPTNAME || exit 0 # Loads the driver and starts the regulatory daemon load() { /sbin/modprobe --ignore-install ipw3945 /sbin/ipw3945d --timeout=-1 --quiet } # Unloads the driver (killing the regulatory daemon) unload() { /sbin/ipw3945d --kill 2>/dev/null /sbin/modprobe -r --ignore-remove ipw3945 } case "$1" in start|restart) echo -n "Starting $DESC: $NAME" unload sleep 3 load sleep 3 echo "." ;; stop) echo -n "Stopping $DESC: $NAME" unload echo "." ;; *) echo "Usage: $0 {start|stop|restart}" exit 1 esac exit 0 __________________________ Ce message (et toutes ses pièces jointes éventuelles) est confidentiel et établi à l'intention exclusive de ses destinataires. Toute utilisation de ce message non conforme à sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'IFP décline toute responsabilité au titre de ce message. This message and any attachments (the message) are confidential and intended solely for the addressees. Any unauthorised use or dissemination is prohibited. IFP should not be liable for this message. Visitez notre site Web / Visit our web site : http://www.ifp.fr __________________________

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Automount of USB drives
by centos＠911networks.com 23 Jan '08

23 Jan '08

Hi, I am using 5.1, Until yesterday morning when we had a power cut for 9 hours [no proper UPS], the automount of USB drives worked properly. Now when I connect any USB drive [hard drives & USB sticks], they show up in dmesg, and they are being properly recognized, but I have to mount them by hand. Any suggestion? -- Thanks http://www.911networks.com When the network has to work

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MySQL and charsets: latin1 vs. utf8
by Niki Kovacs 23 Jan '08

23 Jan '08

Hi, Our public library management software (PMB) is currently running on a Slackware Linux 12.0 server, with Apache, PHP, MySQL and a few PHP modules. I'm considering migrating it to CentOS 5.1, because it would be easier to maintain for updates, and for various other reasons. Slackware is one of the rare distros that does not default to an utf8 system locale. The default is en_US, and since I use a french system, I chose fr_FR@euro for localization. There's a caveat in /etc/profile.d/lang.sh, justifying the choice of latin1 over utf8, so I complied to that. When working with PMB, I often go under the hood, open up a MySQL console and isse SQL statements from there. The app itself seems to favour latin1 over utf8. For example, when doing a backup database dump, the resulting dumpfile will be iso-8859-1. Now, as expected, I'm having some charset woes with CentOS. I've re-read the MySQL Reference Manual, the section concerning localization, which leaves me more confused than before. Asked in the forums there, but to no avail. So my next thought was to ask here. We only use french charset here, nothing else, so there's no need for utf8-support in our database. Only I noticed that when I set the system locale to french latin1, I get some weird results in the system messages. Is there any way to keep the system in utf8, and at the same time make MySQL behave like it was latin1-only? I don't quite know how to formulate it, so I'll try to give a description of what I would like to have. - My system is still defaulting to LANG=fr_FR.UTF-8 - SQL batch files are all ISO-8859-1 - I want to open GNOME Terminal, fire up the MySQL monitor, run the batchfile ( mysql> source /path/to/batchfile.sql) and then be able to issue sql statements with table contents (french special chars like é, à , ç, è) displaying correctly. Any suggestion for this? Niki PS: encoding issues are a quite humiliating experience

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AW: [CentOS] Re: Why iptables are not working?
by Marc Rebischke 23 Jan '08

23 Jan '08

Hi, Does the Path "/sbin" exist in the File ".bash_profile" of User root ? If not you may add the path to the file. Maybe that could help you The other way is, that you call iptables With the full path "/sbin/iptables". That Should also work well if you don't want To edit .bash_profile (why ever). Regards Marc Rebischke ----- Ursprüngliche Nachricht ----- Von: Tolun ARDAHANLI <tolun.ardahanli(a)linux.org.tr> Gesendet: Mittwoch, 23. Januar 2008 14:39 An: CentOS mailing list <centos(a)centos.org> Betreff: [CentOS] Re: Why iptables are not working? hi; the output of those commands are listed below... but i see that i cant reach to iptables if i am opening a console in Gnome(however i give su- command but still was the same problem)... But if I am opening directly the console with pressing ctrl+f1 and giving root and password of it than i can use iptables command!!! # ls -l /sbin/iptables -rwxr-xr-x 1 root root 57408 Jan 6 2007 /sbin/iptables # rpm -q iptables iptables-1.3.5-1.2.1 thanks to all 2008/1/23, Tolun ARDAHANLI < tolun.ardahanli(a)linux.org.tr>: Hi; in our server we dont have "iptables" command! and i am trying to install it with that yum -y install iptables after this command it says that "...nothings to do". Do you have any suggestion for installing the iptables? thanks a lot.... Note: CENTos 5.1 is istalled... -- Tolun ARDAHANLI Bilgisayar Muhendisi E-posta: tolun.ardahanli(a)linux.org.tr Icq:326600 ---------------------------------------------------------------------------- Tolun ARDAHANLI Computer Engineer E-mail: tolun.ardahanli(a)linux.org.tr Icq:326600 -- Tolun ARDAHANLI Bilgisayar Muhendisi E-posta:tolun.ardahanli@linux.org.tr Icq:326600 ---------------------------------------------------------------------------- Tolun ARDAHANLI Computer Engineer E-mail:tolun.ardahanli@linux.org.tr Icq:326600

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