For finding the files older than 31 days find . -name “filename.ext” -mtime +no_of_days -exec ls -ltr {} ; e.g find . -name “*req” -mtime +31 -exec ls -ltr {} ; Verify the timestamp of all the files.They must be older than 5 weeks For Deleting files older that 31 days : find . […]
Find and remove Files in Unix older than the specified number of days Read More »
Point-to-Point: In this topology, devices are connected directly to each other. This topology allows the devices to communicate using the full bandwidth of the link. Arbitrated Loop (FC-AL): In this topology, devices are attached to a shared “loop”. FC-AL is analogous to the token ring topology. Each device has to contend for performing
Fibre Channel Topologies Read More »
Tune your system more by disabling all unwanted and unused daemons from running on the system. This can be done by editing the /etc/inetd.conf file and the rc files or directories. Modify the /etc/inetd.conf file and disable unnecessary daemons running on the system. # vi /etc/inetd.conf # # Configuration file for inetd(1M). See inetd.conf(4). #
Unix Disabling Daemons / services from inetd.conf Read More »
Tune your system more by disabling all unwanted and unused daemons from running on the system. This can be done by editing the /etc/inetd.conf file and the rc files or directories. Modify the /etc/inetd.conf file and disable unnecessary daemons running on the system. # vi /etc/inetd.conf # # Configuration file for inetd(1M). See inetd.conf(4). #
Unix Disabling Daemons / services from inetd.conf Read More »
Kernel This should be the first file backed up. If it gets deleted you can restore it back. This file is often named /kernel, /unix, or /vmunix. Password File Having a backup of the password file is a good idea, in case the system password file gets compromised. This is the file referred to as
Unix Backup Key Files !! Read More »
Listing all the preocess ids: # /usr/bin/ps -ef | sed 1d | awk ‘{print $2}’ Mapping the files to ports using the PID: # /usr/proc/bin/pfiles 2>/dev/null | /usr/xpg4/bin/grep or # /usr/bin/ps -o pid -o args -p | sed 1d Mapping the sockname to port using the port number: # for i in `ps -e|awk ‘{print
How to find and trace open ports in unix Read More »
At the very least, collect the following information for each system that you have: 1. Hostname: % hostname 2. Hostname aliases: % grep `hostname` /etc/hosts | awk ‘{ print $3 }’ 3. Host network addresses: % grep `hostname` /etc/hosts | awk ‘{ print $1 }’ 4. Host ID: % hostid 5. System serial number: On
Collecting Unix System Information Read More »
This is the error I got yesterday: —————————————- MySQL error! Table ‘./b2blog/evo_hitlog’ is marked as crashed and should be repaired(Errno=145) —————————————- Easily fixed though. Logged in through SSH Went to mySQL Executed the command “repair table evo_hitlog;” or You can login to your webhosting Cpanel and go to databses and run “Repair DB”. All
b2blog/evo_hitlog’ is marked as crashed and should be repaired(Errno=145) Read More »
Installation 1. Install COMSTAR Server Utilities # pkg install storage-server # pkg install SUNWiscsi 2. Disable iscsitgt and physical:nwam Service – itadm gets confused with multiple physical instances; this assumes not using nwam. # svcadm disable iscsitgt # svccfg delete svc:/network/physical:nwam 3. Reboot Server # shutdown -i6 -g0 -y 4. Enable stmf service # svcadm
OpenSolaris COMSTAR Read More »
Squid configuration so that it will act as a transparent proxy Iptables configuration Configure system as router Forward all http requests to 3128 (DNAT) Run scripts and start squid service First, Squid server installed (use up2date squid) and configured by adding following directives to file: # vi /etc/squid/squid.conf Modify or add following squid directives:
Linux Install & configure Squid in three easy steps Read More »