原创 sendmail postfix dovecot iptables and mutt
# sendmail config 1. /etc/mail/access 2. /etc/mail/local-host-name 3. /etc/mail/sendmail.mc # comment out 127.0.0.1 l
原创 mount .file system
#mount -a check /etc/fstab#mkdir -p /abc/sfs/ad recursly mkdir#mount -o nosuid,noatime /mnt#fuser /mntcheck who is usi
原创 Service availability managment
The Availability Manager / Service Availability Manager need to have a set of roles defined in the organization:Infrastr
原创 IBM AIX system
http://ibmsystemsmag.blogs.com/aixchange/lpar/ Assuming I have my facts right (I borrowed them from the presentation, p
原创 VMware Infrastructure 3 with VMware VirtualCenter Management Server 2
VMware improved storage integration with support for high-end fibre channel SANs and sharing of virtual machine storag
原创 Manage major incident -crisis management
define major incident measure business impact create communication strategy creat a crisis management team with primary
原创 ITIL-release management
implentation of hardware and software releases,the release is going to be defined by the RFC, so the releaes management
原创 printer configure with rpcclient
# rpcclient scao1l01 -U root ( it is samba root user) #rpcclient $> enumprinters ### list printers queue installe
原创 Artifact shell for APAR
# (date;rpm -qa)>"`hostname -s`_`date +%Y%m%d`.log" this would help to generate a log file with format like : hkfs01_200
原创 sendmail
nslookup set q=mxexample to ensure the mail server is readyadd MX to example.com.zone and 192.168.1.zonerndc reloadensur
原创 *** on Cloud instance (AWS&GCP)
How to setup open *** on AWS.A. Create a default VPC B. Use the link to create *** server via cloud formation of AWS
原创 我的友情鏈接
51CTO博客開發
原创 user admin
#sg ---- change group#gpasswd groupname ----create group passwd in /etc/gshadow#useradd [option]
原创 useful command
history grepdiff find / -cmin -60 --check c time last 60 minsstrace lspci --trace commandstrace -p pid --trace proc
原创 APAR upgrade
#rpm -Fvh --repackage fire* check if the system installed original fire* packages before install it, this avoid install