cong818's articles:

Items(13) /2 Next >> Last >|

iptables trick to limit number of connections on a router 6 25 (8/19/2010 8:35:53 AM) comp.os.linux.networking Hello, I guess this problem would be tricky as I googled and found no good solution. On a router box with two interface eth0 and eth1, eth0 connects with the internet and eth1 connects with the intranet. Intr... Eric

tc filter problems 10 37 (8/9/2010 1:18:40 PM) comp.os.linux.networking Hi, I try to divide a linux router traffic into several classes and shape them using iptables and tc fw filter. Below are my commands: iptables: iptables -t mangle -A PREROUTING -j CONNMARK --restore-mark i... Eric

how to inform pppd Session-Timeout value using radius 0 30 (3/9/2010 6:02:12 AM) comp.os.linux.networking Hi, I am trying to set up a vpn service using radius+mysql+pptpd+pppd, so far everything is right that user in table radcheck can login using the config'ed password. Now I want to control the behavior of a p... Eric

what can be used to uniquely identify a unix box? 35 33 (4/29/2009 5:05:59 PM) comp.unix.programmer Is there a uuid assigned to every UNIX the OS installation? Or we have to rely on hardware serial numbers? * MAC addr - can be faked or changed. * hard disk serial number - sometimes hdparm fails to get it. an... Eric

is there a non-capturing grouping in gawk regex? 5 74 (4/19/2009 8:38:49 AM) comp.unix.programmer Hi, Does gawk support Perl like non-capturing group syntax? (?:...) Or if not, how to mimic it? Thank you! ... Eric

Question on ACE 's alternative and distributed computing? 2 44 (7/17/2008 9:58:50 AM) comp.unix.programmer Hi, everyone, Do any of you have experiences in the Adaptive Communication Environment(ACE)? It is an OO framework that implement some core patterns in communication software. It has a C++ wrapper layer for a... Terry

Does anybody have nice .indent.pro files that can be shared? 0 34 (5/26/2008 5:04:12 PM) comp.unix.programmer Does anybody have nice .indent.pro files to share? Mine is : -kr -bap -bad -ut -ts4 it's a mutation from k&r style. mostly, it does what I want. But when a line is too long, it cuts the line into ugly pieces. ... Terry

Do we have a tool to automatically generate header files from c/c++ files? 5 44 (5/26/2008 7:08:34 AM) comp.unix.programmer Do we have a tool to automatically generate header files from c/c++ files? It collects from c/c++ files typedef's, macros, global variables and function prototypes, and moreover, it includes necessary system ... Terry

questions upon epoll 0 39 (5/23/2008 11:19:48 AM) comp.unix.programmer questions upon epoll: Is a socket associated with two kernel buffers for read and write resp.? how does the kernel tell whether a socket is ready for read or write or both? I can easily guess a socket is rea... Terry

What's the substitution of brk system call in POSIX standard? 19 42 (5/21/2008 2:46:03 AM) comp.unix.programmer I read from the brk manual page that brk() and sbrk() "are deliberately excluded from the POSIX.1 standard". Why is that and what's the substitution? Thanks! ... Terry

cong818's replies:

Items(10) /1

How to measure various cache size of system? 7 99 (5/17/2008 3:30:29 PM) comp.unix.programmer Like L1 L2 cache. Can anybody give some details or direct me to some web page? Thanks! ... cong818 (41)

Forcing core-dump on SIGSEGV (setuid program on Linux) 6 79 (5/19/2008 4:37:05 PM) comp.unix.programmer I have inherited code for a program that refuses to dump core on receipt of SIGSEGV. It is a setuid-root program (i.e. has permissions rwsr-sr-x and owned by root). Environment is RedHat Linux (RHEL 4), and fr... mark.bergman (65)

What's the substitution of brk system call in POSIX standard? 19 42 (5/21/2008 2:46:03 AM) comp.unix.programmer I read from the brk manual page that brk() and sbrk() "are deliberately excluded from the POSIX.1 standard". Why is that and what's the substitution? Thanks! ... cong818 (41)

Will SA_RESTART affect behavior of select(2) ? 9 69 (5/26/2008 6:03:57 AM) comp.unix.programmer Hi, If I installed a singal handler with SA_RESTART flag enabled, will a following select(2) possiblly return with EINTR? Thanks. ... narkewoody (247)

Do we have a tool to automatically generate header files from c/c++ files? 5 44 (5/26/2008 7:08:34 AM) comp.unix.programmer Do we have a tool to automatically generate header files from c/c++ files? It collects from c/c++ files typedef's, macros, global variables and function prototypes, and moreover, it includes necessary system ... cong818 (41)

Question on ACE 's alternative and distributed computing? 2 44 (7/17/2008 9:58:50 AM) comp.unix.programmer Hi, everyone, Do any of you have experiences in the Adaptive Communication Environment(ACE)? It is an OO framework that implement some core patterns in communication software. It has a C++ wrapper layer for a... cong818 (41)

is there a non-capturing grouping in gawk regex? 5 74 (4/19/2009 8:38:49 AM) comp.unix.programmer Hi, Does gawk support Perl like non-capturing group syntax? (?:...) Or if not, how to mimic it? Thank you! ... cong818 (41)

what can be used to uniquely identify a unix box? 35 33 (4/29/2009 5:05:59 PM) comp.unix.programmer Is there a uuid assigned to every UNIX the OS installation? Or we have to rely on hardware serial numbers? * MAC addr - can be faked or changed. * hard disk serial number - sometimes hdparm fails to get it. an... cong818 (41)

tc filter problems 10 37 (8/9/2010 1:18:40 PM) comp.os.linux.networking Hi, I try to divide a linux router traffic into several classes and shape them using iptables and tc fw filter. Below are my commands: iptables: iptables -t mangle -A PREROUTING -j CONNMARK --restore-mark i... cong818 (41)

iptables trick to limit number of connections on a router 6 25 (8/19/2010 8:35:53 AM) comp.os.linux.networking Hello, I guess this problem would be tricky as I googled and found no good solution. On a router box with two interface eth0 and eth1, eth0 connects with the internet and eth1 connects with the intranet. Intr... cong818 (41)