AllAfter recent system upgrade (this night) i lost access to two servers through SSH, because of change in SELinux policy – i have SSH there on different port and now its gone.Thanks to puppet i was able to change SSH port back to default and log ..
For each of my sites I have set up a server to act as AirPrint server.This requires the LAN connection that the servers have always had, plus a WIFI connection to give it a presence on the WIFI(The WIFI and LAN are on separate VLANS)I have finally drag..
i have two server *CentOS 6.5* and*CentOS 5.9 *i have one *SAN Storage* on both servers but when i create file one of server (example CentOS 6.5) Other Sever(CentOS 5.9) do not see file and i must *umount* Disk to seeing files new how solve this prob..
I have several recently-installed CentOS 7 servers that keep having systemd-journald corruption (which stops ALL logging, including syslog). Interestingly, they are all spam-scanning servers running amavisd-new(so could be some particular pattern..
may be someone has an idea: We have three supermicron servers with two 10Gb Ports each, connected to a cisco switch stack 1Gb ports. All are on auto speed. I configured a LACP bond on both sides on all servers, first with citrix xen server. On one ser..
I’m running CentOS 6.7 on my build servers, and on one of the servers the builds are taking almost an order of magnitude longer than usual.There are no runaway processes and there is plenty of free memory.So I suspected that file I/O might be sl..
Id like to consolidate the services from several old servers onto 2CentOS7 VMs that are currently running dhcpd in a balanced/failover configuration. It will simplify things to add the IPs from the old servers as aliases, at least temporarily so everyth..
I do have two CentOS 6.6 servers. With a performance optimized rsync Iget an speed of 15 – 20 MB/sThe options I use are:rsync -aHAXxv –numeric-ids –progress -e ssh -T -c arcfour -o Compression=no -xIf I copy files by smb to/from the servers I do ..
I have two identical servers in hardware. I installed both with CentOS. I did LVM snapshots before updating to test LVM merging. On one server I merged all filesystems during boot because they where mounted when I merged. The other server I did the snapsho..
All.Looking for some guidance/experience with LVM and pvmove.I have a LUN/PV being presented from a iscsi SAN. The LUN/PV is presented to 5 servers as a shared VG they all have LVs they use for data, they are all connected via iSCSI.As the SAN I am us..