Troubleshooting Tips

Frequently asked questions and troubleshooting tips about Linux, BSD, UNIX and MS-Windows servers.

Lighttpd: network.c:483: error: ‘EC_KEY’ undeclared (first use in this function) Error and Solution

by on October 11, 2011 · 1 comment

I‘m trying to install the latest version of Lighttpd v1.4.29 web server under RHEL 6.1 AMD64 and getting the following error:

network.c: In function ‘network_init’:
network.c:483: error: ‘EC_KEY’ undeclared (first use in this function)
network.c:483: error: (Each undeclared identifier is reported only once
network.c:483: error: for each function it appears in.)
network.c:483: error: ‘ecdh’ undeclared (first use in this function)
network.c:484: warning: unused variable ‘nid’
make[3]: *** [network.o] Error 1
make[3]: Leaving directory `/opt/new/lighttpd-1.4.29/src’
make[2]: *** [all] Error 2
make[2]: Leaving directory `/opt/new/lighttpd-1.4.29/src’
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/new/lighttpd-1.4.29′
make: *** [all] Error 2

How do I fix this problem under CentOS 5.x, or RHEL, or Red Hat Enterprise Linux 6.x, or Fedora Linux?

{ 1 comment }

memcached: Failed To Set rlimit For Open Files Error and Solution

by on October 11, 2011 · 2 comments

I‘m using RHEL 6 / CentOS 6.x and install the memcached server. However, whey I try to start the server using service memcached start command, I get the following error:

Starting memcached: failed to set rlimit for open files. Try running as root or requesting smaller maxconns value. [FAILED]

How do I fix this problem?

{ 2 comments }

SSH: Agent Admitted Failure To Sign Using The Key Error And Solution

by on September 17, 2011 · 14 comments

I‘ve recently regenrated and uploaded a new public ssh-key using the ssh-copy-id command. Now I’m getting the following error:

ssh root@server3
Agent admitted failure to sign using the key.
root@server3′s password:

How do I fix this problem?

{ 14 comments }

Linux: NFS4 mount Error reason given by server: No such file or directory

by on September 6, 2011 · 0 comments

I recently installed NFS server v4 on my HP Linux server. However, I’m not able to mount it from Linux nfs4 client using the following command:

mount.nfs4 server2:/data /data

I’m getting the following error:

mount.nfs4: mounting server2:/data failed, reason given by server:
No such file or directory

How do I fix this problem?

{ 0 comments }

No xauth Program; Cannot Forward With Spoofing Error and Solution

by on June 15, 2011 · 0 comments

I want to use my local machine as the X server over ssh. But when I try to run ssh -X -v user@server1.example.com to the remote machine, I get the following error:

debug1: Remote: No xauth program; cannot forward with spoofing

How do I fix this problem and use X over ssh?

{ 0 comments }

Find out if NFS Service Running On Linux / Unix Server

by on January 25, 2011 · 0 comments

How do I find out if NFS server or service is running or not on my Linux or Unix based server?

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read_urandom: /dev/urandom: open failed: No such file or directory

by on July 15, 2010 · 0 comments

My CentOS Linux based server failed to boot with the following error:

read_urandom: /dev/urandom: open failed: No such file or directory

How do I fix this problem?

{ 0 comments }

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