lsitab init : to display default runlevel of an AIX system
cat /etc/.init.state : to get current runlevel of an AIX system
lslpp : display installed softwares on AIX
/usr/lib/errdemon : to start error login ( errpt ) in AIX
procwait -v
procsig
chuser fsize=-1
lppchk -l : to verify that the symbolic links assoiciated with a file set are correct as indicated in the SWVPD.
shutdown -F : fast shutdown AIX system
shutdown -Fr : fast reboot AIX system
shutdown -Fm : reboot an AIX system to maintenance mode
telinit 2 : reboot an AIX system to normal mode
teleinit q : read nittab file
oslevel -s : display the currently installed service pack level in AIX
find /apps -print | backup -i -v -f /dev/rmt0 : copy the contents of /apps to tape in AIX
who : display currently logged users
ln -sf /usr/lib/boot/unix_64 /unix
ln -sf /usr/lib/boot/unix_64 /usr/lib/boot/unix
bosboot -ad /dev/ipldevice
shutdown -Fr : reconfigure an AIX system from a 32-bit kernel to a 64-bit kernal.
oslevel -rl 5300-06 : show which filesets still need to get new technology level 5300-06 after AIX upgradation
chnfs -n 100 -B : increase the number of system threads allowed to access NFS mounts to 100
./myscript > /tmp/myoutput 2>1 : run myscript and redirect stdoutand stderr to /tmp/myoutput
installp -C : to cleanup improperly applied filesets ( interrupted)
lppchk -c : to verify all the filesets installed completely
lppchk -v : verify that the operating system(AIX) is in a consistent state after installing AIX technology level ( to verify all filesets are installed completely)
refresh -s inetd : to restart TCP/IP
chvg -Qn testvg : disable quorum in testvg
smit update_all : to apply system to latest technologic level from CD.
migratepv -l /dev/testlv hdisk1 hdisk2 : move (migrate) testlv from hdisk1 to hdisk2
migratepv hdisk1 hdisk2 : move all data from hdisk1 to hdisk2
lsfs -q /testfs : to check the size of /testfs and the LV mounted on it. i.e how much space required by the FS to reach as that to LV in it.
last To list all the records in the /var/adm/wtmp file (all successful logins)
last shutdown To show the time of previous shutdown of server.
last reboot To show the time of previous reboot of server.
uptime To show how long the system has been up ( w -u )
oslevel To list the operating system level
lslicense To see the number of license
chlicense -u30 To change the fixed user license to 30
chlicense -f on To enable floating user license
lsmcode To check system firmware version (sys0)
invscout To get firmware of all peripheral devices. It will generate the output in /var/adm/invscout/invs.mrp containing the firmwares of all peripheral devices.
cat /etc/.init.state : to get current runlevel of an AIX system
lslpp : display installed softwares on AIX
/usr/lib/errdemon : to start error login ( errpt ) in AIX
procwait -v
procsig
chuser fsize=-1
lppchk -l : to verify that the symbolic links assoiciated with a file set are correct as indicated in the SWVPD.
shutdown -F : fast shutdown AIX system
shutdown -Fr : fast reboot AIX system
shutdown -Fm : reboot an AIX system to maintenance mode
telinit 2 : reboot an AIX system to normal mode
teleinit q : read nittab file
oslevel -s : display the currently installed service pack level in AIX
find /apps -print | backup -i -v -f /dev/rmt0 : copy the contents of /apps to tape in AIX
who : display currently logged users
ln -sf /usr/lib/boot/unix_64 /unix
ln -sf /usr/lib/boot/unix_64 /usr/lib/boot/unix
bosboot -ad /dev/ipldevice
shutdown -Fr : reconfigure an AIX system from a 32-bit kernel to a 64-bit kernal.
oslevel -rl 5300-06 : show which filesets still need to get new technology level 5300-06 after AIX upgradation
chnfs -n 100 -B : increase the number of system threads allowed to access NFS mounts to 100
./myscript > /tmp/myoutput 2>1 : run myscript and redirect stdoutand stderr to /tmp/myoutput
installp -C : to cleanup improperly applied filesets ( interrupted)
lppchk -c : to verify all the filesets installed completely
lppchk -v : verify that the operating system(AIX) is in a consistent state after installing AIX technology level ( to verify all filesets are installed completely)
refresh -s inetd : to restart TCP/IP
chvg -Qn testvg : disable quorum in testvg
smit update_all : to apply system to latest technologic level from CD.
migratepv -l /dev/testlv hdisk1 hdisk2 : move (migrate) testlv from hdisk1 to hdisk2
migratepv hdisk1 hdisk2 : move all data from hdisk1 to hdisk2
lsfs -q /testfs : to check the size of /testfs and the LV mounted on it. i.e how much space required by the FS to reach as that to LV in it.
last To list all the records in the /var/adm/wtmp file (all successful logins)
last shutdown To show the time of previous shutdown of server.
last reboot To show the time of previous reboot of server.
uptime To show how long the system has been up ( w -u )
oslevel To list the operating system level
lslicense To see the number of license
chlicense -u30 To change the fixed user license to 30
chlicense -f on To enable floating user license
lsmcode To check system firmware version (sys0)
invscout To get firmware of all peripheral devices. It will generate the output in /var/adm/invscout/invs.mrp containing the firmwares of all peripheral devices.
