Having this issue on Linux machine trying to run command as a user who require /proc filesystem (such as top or htop) ? [user@server ~]$ top top: /proc is not mounted, required for output data [user@server ~]$ htop Error: could not read procfs (compiled to look in /proc). This usually happen because /proc lose… Read More »
Experiencing this error in Bind logs? named[xxxxxx]: unexpected RCODE (REFUSED) resolving ‘xx.xx.xx.xx.in-addr.arpa/PTR/IN’: xxx.xxx.xxx.xxx#53 This is probably because you have a forwarder in your named.conf that refuse your requests. Simply look at the end of the previous line : “xxx.xxx.xxx.xxx#53” and search this address in your named configuration file – it should be located inside the… Read More »
I recently notice this error on a master/slave Bind (named) DNS server setup (this error actually happened on slaves servers) : transfer of ‘domain.tld/IN’ from xxx.xxx.xxx.xxx#53: failed while receiving responses: permission denied First, make sure the “allow-transfer” directive is properly set on the primary master server : allow-transfer { xxx.xxx.xxx.xxx; }; This is probably the… Read More »
There is some useful repositories for SuSE Linux. Just add the version of the distribution you are using at the end of the links before adding them to YaST. UnixHeads Packman : http://packman.inode.at/suse/ http://ftp.uni-erlangen.de/pub/mirrors/packman/suse/ VideoLAN Client : http://download.videolan.org/pub/videolan/vlc/SuSE/ Nvidia : ftp://download.nvidia.com/opensuse/
I recently experience this error repeated many times (about once every 11 minutes) in system log (/var/log/message) on FreeBSD system : cron[xxxxxx]: _secure_path: cannot stat /etc/login.conf: Permission denied Apparently, it look like the folder /etc lose his permission ; currently 700 (drwx——) and should be 755 (drwxr-xr-x) owned by root and wheel group of course.… Read More »
There is a ton of reasons why you would use SSH keys to log into your Linux/Unix systems automatically : – Faster than entering password – More secure than password – Automate login for backup using Rsync – And a lot more ! Actually, this is pretty easy to do – so let’s start generating… Read More »
To install VMware Tools from the ESX repository on RedHat/CentOS Linux guests using YUM, you need first to install the public key : rpm –import http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub [Updated 06/03/12 : key URL has changed. Old location : http://packages.vmware.com/tools/VMWARE-PACKAGING-GPG-KEY.pub)] Now, you need to create the repository file located in /etc/yum.repos.d : vi /etc/yum.repos.d/vmware-tools.repo And then, paste the… Read More »
Experiencing this error on Dell rack mount server? PCIe Training Error: Slot X (or Embedded I/O Bridge device X) System Halted Try removing any add-in card and boot the server. If the server is booting correctly, then it’s probably the add-in card! If the problem persist, try to completely remove the riser card. Now it should… Read More »
Got this error trying to adjust time on a VPS from the host node? [root@server ~]# vzctl set 111 –capability sys_timen –save Unable to set capability on running container WARNING: Some of the parameters could not be applied to a running container. Please consider using –setmode option There is two possible solutions : 1. Stop… Read More »
Here are the few steps to generate the private key, certificate signed request, self-signed certificate and how to get rid of the passphrase request when starting you’re application . Okay, let’s start. Go to the directory you want to store you’re certificate stuff. This example will assume you’re common name (aka : host name) will… Read More »