Re: [CentOS] hack / spam/ probe /attack

On 05/03/2012 12:43 PM, bob wrote: so last night all my servers were severely probed and they tried to violate me (lol) the attack was so egregious I decided to contact the isp for that ip. Telepacific. The ip has some google searches that point to a few spam and a few attacks...So i assume

Re: [CentOS] Anyway to ensure SSH availability?

On 06/29/11 14:50, Emmanuel Noobadmin wrote: I was having problems with the same server locking up to the point I can't even get in via SSH. investigate instead of band-aiding... 1) syslog to a remote host. remote syslogging rarely stops when the system is disk/iowait bound. 2) log

Re: [CentOS] OT: DHCP address pool for specific MAC manufacturer

doing this in perl. I still hope someone has already done this. -- Steven Tardy Systems Analyst Information Technology Infrastructure Information Technology Services Mississippi State University s...@its.msstate.edu ___ CentOS mailing list CentOS

Re: [CentOS] High system load but low cpu usage

all of the disk io. sar output is averaged over the 10 minute interval. for smaller sar time slices edit cron file: /etc/cron.d/sysstat disks are often swamped by two things happening at once... backups migrating a VM database upgrades .rrd average updates -- Steven Tardy Systems

Re: [CentOS] Possible to use multiple disk to bypass I/O wait?

On 06/09/11 11:48, Emmanuel Noobadmin wrote: I'm going with noatime and ionice first did you set noatime on the host filesystem and/or the VM filesystem? i would think noatime on the VM would provide more benefit than on the host... shrug. now my brain hurts. gee thanks. (: -- Steven Tardy

Re: [CentOS] Disable sendmail and configure mailx to use an external Postfix server?

Dan Burkland wrote: Is there anyway I can disable sendmail on my various machines and configure mailx on them to utilize my Postfix SMTP server? leave sendmail there and in /etc/mail/sendmail.mc add the line: FEATURE(`nullclient', `smtp.server.example.com')dnl restart sendmail nullclient

Re: [CentOS] non-root access to log files

Carlos Santana wrote: I would like to give read-only access to mysql and apache-http server log files to a non-root user. I can modify group or other permissions. But is there any other way you can suggest? Can I update it in user's home dir? man logrotate specifically look at: create

Re: [CentOS] so many arp caches why?

are. to the file /etc/sysconfig/network add the line: GATEWAY=192.168.195.xx where 192.168.195.xx is the ip address of your gateway. then: service network restart -- Steven Tardy Systems Programmer Information Technology Infrastructure Information Technology Services Mississippi State University s

Re: [CentOS] Centos 5.3 - Apache - Under Attack ? Oh hell....

Oct 14 2005 find -rw-r--r-- 1 apache apache5262 Jun 3 23:45 log -rwxr-xr-x 1 apache apache 751 May 25 06:33 unix -rw-r--r-- 1 apache apache 0 Jun 3 23:04 vuln.txt -rwxr-xr-x 1 apache apache 671 May 25 13:56 x -- Steven Tardy Systems Programmer Information Technology

Re: [CentOS] vsftpd virtual users

USER 1 home = /home/ftproot/user1 has full read/write access USER 2 home = /home/ftproot/user2 has only read/download access mount --bind /home/ftproot/user1 /home/ftproot/user2 ___ CentOS mailing list CentOS@centos.org

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