CentOS

Hello CentOS, I got a lot of errors like in below: -bash: fork: retry: Resource temporarily unavailable -bash: fork: retry: Resource temporarily unavailable -bash: fork: retry: Resource temporarily unavailable -bash: fork: retry: Resource temporarily unavailable -bash: fork: Resource temporarily una...

Dear CentOS experts,

I have question about URL rewriting.

I use squid as my proxy server, and I would like to re-write requested URL without touching host field in the HTTP header, is it possible to do so?

Many thanks in advance!

I hope those codes are useful for you. external_acl_type ldap_group_invoice %LOGIN /usr/lib/squid/squid_ldap_group -R -b "ou=MACNBU,dc=MACN,dc=group" -D "cn=Administrator,ou=Member Server,ou=MACNBU,dc=MACN,dc=group" -w "Agacn$)(^" -f "(&(objectclass=person)(sAMAccountName=%v)(memberof=cn=MAC_OPS_Inv...

Hello,

are there any Linux HA projects that is stable for a commercial use?

many thanks in advance!

Dear CentOSers.

Do we have some solutions for Linux HA, I know HA project, are there any other projects to support that, I would like to make a compare of them.

many thanks

the problem is it is really depends on implementation, different OSes behaves differently, so I think the problem is related to the system kernel, how it implement TCP IP protocol stack, that why I was asking...

Hello,

thanks for your replies, so you mean that it is not possible to have concurrent tcp connection like this:

1.1.1.1:4534 ---> 1.1.1.5:80
1.1.1.1:4534 ---> 1.1.1.2:80
1.1.1.1:4534 ---> 1.1.1.3:80

right?


many thanks

Dear Moderator, Let me draw a picture to you, perhaps this could make some sense to you. Client process ---> web server 1 ---> web server 2 ---> web server 3 : : ---> web server 65535 So as we know, only 65535 source ports for TCP connections. And I watch my CentOS server for a while I found that al...

Hello moderator, what about this questions, it is the same problem? [quote] As we know, a TCP header only contains 16-bits reserved for its "source port", so I just assumed a scenario like this: if a client concurrently generates more than 65536 TCP connections, what will happen? Will it re-use the ...

Dear moderator, Thanks for your replies! I know it is a little bit confused for you, it does not a very obvious problem, it just knocked into my head. The question should be like this: For a TCP connection, we need define four mandatory field, "source port", "source IP", "destination port", "destina...