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Yeah, 2015 and this isn't a solved problem. Problem Java in Firefox. CentOS 6.6, 64-bit. Solution This worked for me: # wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie"...

(2014-02-17) Problem the specified interface eth0 does not exist Solution In the general case, specify your network configuration without specifying a specific device: #network --onboot yes --noipv6 --device=eth0 --bootproto=dhcp network --onboot yes --noipv6 ...

(2014-05-13) Problem Install with @Base and @Core, plus ypbind and autofs. But once configured, the computer can't mount home directores: [root@dhcp-10-17-13-162 ~]# uptime 13:20:36 up 1 min, 1 user, load average: 0.00, 0.00, 0.00 [root@dhcp-10-17-13-162 ~]...

(2016-02-24) Solution Fastcgi is available through RPMforge. To add the module: Install RPMforge, something like: # rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm (it shouldn’t be too hard to chase down the cor...

(2013-05-29) How I Got NetDisco netdisco-1.1-1.el6.noarch Running On CentOS 6 From epel-testing: # yum --enablerepo=epel,epel-testing install netdisco Then run the netdisco_config script. Before you hit the web interface, you probably have to do something lik...

(2014-07-17) Problem My CentOS 6 client is trying to mount everything using NFS v4 and I want it to use v3. Solution Change /etc/sysconfig/autofs: # Turn off v4 protocol support RPCNFSDARGS="-N 4" Change /etc/nfsmount.conf: # Protocol Version [2,3,4] # This d...

(21 January 2013) Problem When I look at the files exported from my CentOS 6 server, everything's owned by "nobody". On the server, you'll see error messages like: Jan 21 12:47:31 centos6-7 nfsidmap[5071]: nss_getpwnam: '$USER@localdomain' does not map into do...

(2019-03-25) NIS client setup cookbook #!/bin/bash DOMAIN=my.nis.domain SERVERNAME=server4.my.nis.domain SERVERIP="1.2.3.4" rpm -ivh [http://download.fedoraproject.org/pub/epe...

Problem My nasty java app is eating up all the CPU it can get. (Possibly sharing with something else equally unlikely that is eating the rest up -- in my case, milter-greylist.) This CPU consumption started at the moment of a leap second. Discussion There's a ...

(2014-05-05) Problem: I have a piece of software that expects my first ethernet device to be called eth0 , not em1. Solution: This worked for me. add "biosdevname=0" to the kernel line in grub create a /etc/udev/rules.d/70-persistent-net.rules with these two ...

(2013-06-03) Problem Trying to browse to a samba server by name from a Windows system yields the error 0x80070035: "the network path was not found" Probably, trying to connect to the same server by IP works. Solution The windows client is not using a standard ...

(2016-11-07) Problem I'd like to log activity that my samba server is doing. Solution CentOS 6 Samba includes the vfs_full_audit module which will do what you want. Add to /etc/samba/smb.conf: vfs objects = full_audit full_audit:prefix = %u|%I|%m|%S full_audit...

(2016-09-14) Configuring Winbind On A Fresh CentOS 6 Installation With this example, AD users in KLONDIKE can log into linux hosts with their AD credentials and will get the same UID and GID values on any linux host so configured. In this example: my domain i...

(2014-06-26) Problem I want to ignore the host-ID on connection for ssh. Yes, I know it is a dumb idea. Solution Inline, ignore this time only: ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no user@system Permanent ignore examples, in ~/.ssh/co...

(2014-06-26) Problem Host-ID has changed and ssh is complaining about it. Solution Shell alias: # edit the ~/.ssh/known_hosts file to remove the passed line number. # source: [https://chainsawonatireswing.com/2012/04/06/an-easier-quicker-way-to-edit-the-known...

(14 February 2013) Problem CentOS 6 is not accepting pubkey login attempts. Solution SElinux has a bug which rejects the credentials when it is set to Enforcing mode. To fix, either disable SElinux; or apply the correct SElinux context as follows: [root@...

(26 October 2012) Problem When I ssh login to a CentOS 6 system, it always takes around 30 second to log in. Solution CentOS 6 has enabled the reverse-DNS name lookup of IPs by default. To disable in /etc/ssh/sshd_config , set: useDNS no

(2014-01-14) Install VMware tools into a new Linux VM with a repository that will keep them updated: cd /etc/yum.repos.d wget https://web.archive.org/web/20240227060040/http://yum.gridway.net/yum/vmware-tools/yum.repos.d/vmware-tools.repo cd yum -y ins...

(2014-01-14) This is all heavily based on The Lone Sysadmin and I can't really claim credit for any of it. Elevator Add to /etc/grub.conf kernel line(s): elevator=noop Disk Mo...

(2014-06-16) Problem I have a CentOS 6 NIS master server that won't ypbind to anything. I have a seemingly identical CentOS6 NIS slave server that will ypbind to the master or to itself, which satisfies me that the problem lies with the client, not the server....