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34758 discussions

Mirror hosting ideas
by Christopher Hawker 02 Sep '11

02 Sep '11

Hello all, I am interested in personally hosting a mirror for CentOS 5 and 6 (not at home, but in a DC, with the future of going colo whe I have the monetary funds to do so). Would anyone have any recommendations on this and whether or not I should set the cron to use the rsync command or have the rsync command in a batch file and tell cron to execute the batch job. I am thinking the second option, simply out of convenience. Unless anyone can see an issue with this. Thanks guys in advance for your help! :) -- If you have any questions, plese do not hesitate to give me a call on +61 478 241 896. Regards, Christopher Hawker "That which you are seeking, is causing you to seek. Try looking in your software collection, between your CentOS ISO images and your Red Hat Linux Networking tools. It is amazing, the places where things hide." - David Williamson, 1972-2011

2 1

dealing with spoofing
by m.roth＠5-cent.us 02 Sep '11

02 Sep '11

Here's a thought I just thunk, folks: some scum, apparently in eastern Europe, has harvested my email, and is using it in the Reply-To: in its spamming efforts. Now, I realize that some mails go out from noreply, but other than that, is there a good reason why a mailserver would not be configured to send delivery failure to *both* Reply-To and From? mark

10 26

Centos 6, KDE 4: canot manage network
by Michael D. Berger 02 Sep '11

02 Sep '11

In KDE 4, I click: Kickoff > System Settings > Network & Connectivity > Network Settings > Network Settings I get a popup informing me that my system is not supported. (This did not happen before.) I am offered choices. I choose RedHat 6.0 (Is this wrong? I also tried RedHat 9.0.). I select Network Interfaces. I see nothing on the list *** even though I am presently running eth0 and can successfully ping google.com through it.***. Now I set that interface using a GUI just a few days ago. I will say, the GUI looks different. So what's happening? Thanks for your help. Mike.

2 7

No buffer space available - loses network connectivity
by Sherin George 02 Sep '11

02 Sep '11

Hi, I have a centos 5.6 xen vps which loses network connectivity once in a while with following error. ========================================= -bash-3.2# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. ping: sendmsg: No buffer space available ping: sendmsg: No buffer space available ping: sendmsg: No buffer space available ping: sendmsg: No buffer space available ========================================= All my investigation so far led me to believe that it is because skbuff cache getting full. ========================================================================= PROC-SLABINFO skbuff_fclone_cache 227 308 512 7 1 : tunables 54 27 8 : slabdata 44 44 0 skbuff_head_cache 1574 1650 256 15 1 : tunables 120 60 8 : slabdata 110 110 0 SLAB-TOP Active / Total Objects (% used) : 2140910 / 2200115 (97.3%) Active / Total Slabs (% used) : 139160 / 139182 (100.0%) Active / Total Caches (% used) : 88 / 136 (64.7%) Active / Total Size (% used) : 512788.94K / 520252.14K (98.6%) Minimum / Average / Maximum Object : 0.02K / 0.24K / 128.00K OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME 664000 620290 93% 0.09K 16600 40 66400K buffer_head 409950 408396 99% 0.21K 22775 18 91100K dentry_cache 343056 340307 99% 0.08K 7147 48 28588K selinux_inode_security 338590 336756 99% 0.74K 67718 5 270872K ext3_inode_cache 143665 143363 99% 0.06K 2435 59 9740K size-64 99540 99407 99% 0.25K 6636 15 26544K size-256 96450 96447 99% 0.12K 3215 30 12860K size-128 60858 60858 100% 0.52K 8694 7 34776K radix_tree_node 12420 11088 89% 0.16K 540 23 2160K vm_area_struct 5895 4185 70% 0.25K 393 15 1572K filp 4816 3355 69% 0.03K 43 112 172K size-32 2904 2810 96% 0.09K 66 44 264K sysfs_dir_cache 2058 1937 94% 0.58K 343 6 1372K proc_inode_cache 1728 1215 70% 0.02K 12 144 48K anon_vma 1650 1590 96% 0.25K 110 15 440K skbuff_head_cache 1498 1493 99% 2.00K 749 2 2996K size-2048 1050 1032 98% 0.55K 150 7 600K inode_cache 792 767 96% 1.00K 198 4 792K size-1024 649 298 45% 0.06K 11 59 44K pid 600 227 37% 0.09K 15 40 60K journal_head 590 298 50% 0.06K 10 59 40K delayacct_cache 496 424 85% 0.50K 62 8 248K size-512 413 156 37% 0.06K 7 59 28K fs_cache 404 44 10% 0.02K 2 202 8K biovec-1 390 293 75% 0.12K 13 30 52K bio 327 327 100% 4.00K 327 1 1308K size-4096 320 190 59% 0.38K 32 10 128K ip_dst_cache 308 227 73% 0.50K 44 7 176K skbuff_fclone_cache 258 247 95% 0.62K 43 6 172K sock_inode_cache 254 254 100% 1.84K 127 2 508K task_struct 252 225 89% 0.81K 28 9 224K signal_cache 240 203 84% 0.73K 48 5 192K shmem_inode_cache 204 204 100% 2.06K 68 3 544K sighand_cache 202 4 1% 0.02K 1 202 4K revoke_table 195 194 99% 0.75K 39 5 156K UDP 159 77 48% 0.07K 3 53 12K eventpoll_pwq 145 139 95% 0.75K 29 5 116K files_cache 144 41 28% 0.02K 1 144 4K journal_handle 140 140 100% 0.88K 35 4 140K mm_struct 140 77 55% 0.19K 7 20 28K eventpoll_epi 135 135 100% 2.12K 135 1 540K kmem_cache 121 45 37% 0.69K 11 11 88K UNIX 119 114 95% 0.52K 17 7 68K idr_layer_cache 118 41 34% 0.06K 2 59 8K blkdev_ioc 112 32 28% 0.03K 1 112 4K tcp_bind_bucket 110 56 50% 0.17K 5 22 20K file_lock_cache 106 35 33% 0.07K 2 53 8K avc_node 105 98 93% 1.50K 21 5 168K TCP 105 100 95% 1.04K 15 7 120K bio_map_info 92 1 1% 0.04K 1 92 4K dnotify_cache 80 18 22% 0.19K 4 20 16K tw_sock_TCP 70 44 62% 0.27K 5 14 20K blkdev_requests 59 23 38% 0.06K 1 59 4K biovec-4 59 13 22% 0.06K 1 59 4K fib6_nodes 59 11 18% 0.06K 1 59 4K ip_fib_hash 59 11 18% 0.06K 1 59 4K ip_fib_alias 53 53 100% 0.07K 1 53 4K taskstats_cache 53 1 1% 0.07K 1 53 4K inotify_watch_cache 48 48 100% 0.16K 2 24 8K sigqueue 48 8 16% 0.08K 1 48 4K crq_pool 45 27 60% 0.25K 3 15 12K mnt_cache 45 29 64% 0.25K 3 15 12K dquot 45 32 71% 0.25K 3 15 12K sgpool-8 40 19 47% 0.19K 2 20 8K key_jar 32 32 100% 0.50K 4 8 16K sgpool-16 32 32 100% 1.00K 8 4 32K sgpool-32 32 32 100% 2.00K 16 2 64K sgpool-64 32 32 100% 4.00K 32 1 128K sgpool-128 31 31 100% 8.00K 31 1 248K size-8192 30 27 90% 1.54K 6 5 48K blkdev_queue 30 14 46% 0.12K 1 30 4K request_sock_TCP 30 3 10% 0.12K 1 30 4K inet_peer_cache FREE-M total used free shared buffers cached Mem: 8192 4821 3370 0 500 2793 -/+ buffers/cache: 1527 6664 Swap: 8191 0 8191 PROC-MEMINFO MemTotal: 8388608 kB MemFree: 3451384 kB Buffers: 512352 kB Cached: 2860580 kB SwapCached: 0 kB Active: 2971812 kB Inactive: 1178908 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 8388608 kB LowFree: 3451384 kB SwapTotal: 8388600 kB SwapFree: 8388600 kB Dirty: 644 kB Writeback: 0 kB AnonPages: 777524 kB Mapped: 24816 kB Slab: 557716 kB PageTables: 16300 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 12582904 kB Committed_AS: 1624128 kB VmallocTotal: 34359738367 kB VmallocUsed: 4556 kB VmallocChunk: 34359733771 kB =========================================================== Can any one provide any insights into a possible solution of this issue. -- Kind Regards, Sherin

2 1

(c 5.6) Running 2 versions of Apache ?
by Always Learning 02 Sep '11

02 Sep '11

Just wondering how to run 2 versions of Apache on the same server, listening on different IPs and both on port 80. Does one give them, the httpd, different names and effectively duplicate most of the Apache set-up ? I use Apache;s virtual hosts facility for normal purposes but this is for a different project. Thank you. Paul.

7 21

CentOS 6 packages
by CS DBA 02 Sep '11

02 Sep '11

Hi all; does anyone know if the following packages are available (via yum) for CentOS 6 and if so which repo they come from? Thanks in advance... kmymoney darktable digiKam -- --------------------------------------------- Kevin Kempter - Constent State A PostgreSQL Professional Services Company www.consistentstate.com ---------------------------------------------

4 3

Yum Update Errors
by Lee Perez 02 Sep '11

02 Sep '11

Afternoon All, Just ran yum update and it burped on the following: Package xulrunner.i386 0:1.9.2.20-3.el5_7 set to be updated --> Processing Conflict: firefox conflicts xulrunner >= 1.9.2.19 firefox-3.6.18-1.el5.centos.i386 from installed has depsolving problems --> firefox conflicts with xulrunner Uname -a gives: Linux 2.6.18-274.el5 #1 SMP Fri Jul 22 04:49:12 EDT 2011 i686 i686 i386 GNU/Linux I have never had any troubles updating my box before. Anybody else seen this yet? Or what am I doing wrong. Just woke up, please cut me some slack. Thanks. Lee Perez

2 1

xmlrpc-c-client from CR repo requires curl >= 7.15.5-9.el5_7.4
by Yves Bellefeuille 01 Sep '11

01 Sep '11

The package xmlrpc-c-client-1.16.24-1206.1840.el5_7.4.i386 from the CR repository requires curl >= 7.15.5-9.el5_7.4, which isn't available. The most recent version of curl I see is 7.15.5-9.el5_6.3, also in the CR repository. Setting up Upgrade Process Resolving Dependencies --> Running transaction check ---> Package xmlrpc-c-client.i386 0:1.16.24-1206.1840.el5_7.4 set to be updated --> Processing Dependency: xmlrpc-c = 1.16.24-1206.1840.el5_7.4 for package: xmlrpc-c-client --> Processing Dependency: curl >= 7.15.5-9.el5_7.4 for package: xmlrpc-c-client --> Running transaction check ---> Package xmlrpc-c.i386 0:1.16.24-1206.1840.el5_7.4 set to be updated ---> Package xmlrpc-c-client.i386 0:1.16.24-1206.1840.el5_7.4 set to be updated --> Processing Dependency: curl >= 7.15.5-9.el5_7.4 for package: xmlrpc-c-client --> Finished Dependency Resolution xmlrpc-c-client-1.16.24-1206.1840.el5_7.4.i386 from cr has depsolving problems --> Missing Dependency: curl >= 7.15.5-9.el5_7.4 is needed by package xmlrpc-c-client-1.16.24-1206.1840.el5_7.4.i386 (cr) Error: Missing Dependency: curl >= 7.15.5-9.el5_7.4 is needed by package xmlrpc-c-client-1.16.24-1206.1840.el5_7.4.i386 (cr) -- Yves Bellefeuille <yan(a)storm.ca> "La Esperanta Civito ne rifuzas anticipe la kunlaboron de erarintoj, se ili konscias pri sia eraro." -- Heroldo Komunikas, n-ro 473.

1 0

Scientific Linux 6.0 released (based on RHEL 6.0)
by Arun Khan 01 Sep '11

01 Sep '11

I know this is the CentOS list. However, as there has been some interest in CentOS 6.0 (RHEL 6), I thought I'd share the news here. Scientific Linux 6 is based on RHEL 6 with add-ons for scientific computing. FWIW, the Admin tools etc. are pretty much the same as in RHEL, so are the base packages. Read more at <http://www.scientificlinux.org/distributions/6x/60/> -- Arun Khan

9 10

Cannot start SSH at boot
by Dotan Cohen 01 Sep '11

01 Sep '11

On a particular CentOS 6 install, I must start SSH manually: # /etc/init.d/sshd start I have tried to configure it to start automatically: # chkconfig --level 3 sshd on However, it still must be manually started. I am not getting any errors. What might be preventing it from starting? Thanks. -- Dotan Cohen http://gibberish.co.il http://what-is-what.com

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