La Bible du linuxien

https://wiki.bash-hackers.org/syntax/pe#case_modification

Le FS ne reflète pas la taille du VG

https://access.redhat.com/solutions/305663

Lister les disques et type de disque

lsdev -Cc disk

exemple : 

hdisk0 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk26 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk27 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk28 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk29 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk30 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk31 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk32 Available C6-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk33 Available C4-T1-01 Hitachi MPIO Disk VSP (Fibre)
hdisk34 Available C4-T1-01 Hitachi MPIO Disk VSP (Fibre)

Show which hdisk(s) each of your filesystems reside on for AIX

Hyper utile :

 

#!/bin/ksh
for vg in `lsvg -o`; do 
        for fs in `lsvgfs $vg`; do 
                printf "%-22s" $fs; 
                for disk in `lsvg -p $vg | tail +3 | awk '{print $1}'`; do
                        lspv -l $disk | grep -q " ${fs}$" && printf "%-8s" $disk; 
                done; 
                echo
        done; 
done

source

CHECK SUPPORTED ALGORITHMS IN OPENSSH

https://cinhtau.net/2016/03/21/check-supported-algorithms-in-openssh/

 

 -Q cipher | cipher-auth | mac | kex | key
             Queries ssh for the algorithms supported for the specified version 2.  The available features are: cipher (supported sym‐
             metric ciphers), cipher-auth (supported symmetric ciphers that support authenticated encryption), mac (supported message
             integrity codes), kex (key exchange algorithms), key (key types).

list des FREE Pps restant dans un VG AIX

 lsvg | egrep -w "backupvg|datavg" | lsvg -i | grep FREE

Taille des fichiers unix

du -ms expdp_$ORACLE_SID_20190* | awk '{ total += $1 }; END { print total }'

 

 

[AIX] list FS disk

listdiskFS.txt

Problème d'accès ssh après maintenance de serveur

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/installing_sssd-starting_and_stopping_sssd

 

Starting and Stopping SSSD - Red Hat Customer Portal

[UNIX] convertir un paquage debian en rpm et vice versa

https://blog.packagecloud.io/eng/2015/10/26/use-alien-to-convert-deb-to-rpm-and-rpm-to-deb/

 

https://help.ubuntu.com/community/RPM/AlienHowto

Trouver les gros fichiers {UNIX}

Trouver les 10 fichiers les + volumineux :

find . -printf '%s %pn'| sort -nr | head -10

Liste tous les fichiers qui ont une taille supérieure à 100Mo

find . -xdev -type f -size +100M

CSSD et ASM ne démarre pas automatiquement

Taper la commande suivante  :

crsctl stat res ora.cssd -p


et celle là : 

crsctl stat res ora.asm -p


Soluce : 

Démarrez les ressources manuellement :

crsctl start res ora.cssd -init

srvctl start asm

source :
http://www.br8dba.com/cssd-wont-start-automatically/

Comment créer , configurer et monter un file system sur Linux

How to Create, configure and mount a new Linux file system