I installed a high version rpm package by mistake , should install a low version. But I don’t want to uninstall the high version firstly…
The amount of dictionaries ls -lR | grep ^d | wc -l The amount of files find /data -type f | wc -l
I need to change NFS configuration recently， so umount original device firstly. But I encuntered one error “umount was not found in /proc/mounts” I checked…
I configured nginx as a loadbalance and reverse proxy. there were 2 real servers in back-end. If client access this website through nginx ip address.…
oracle tablespace isn’t enough，there are 2 reasons： 1. original tablespace is too small, hadn’t been set autoextend； error code: ORA-01653: unable to extend table 2. tablespace…
1. the modified files within n days（-ctime） find . -type f -ctime -n introduction： (1) -type f only search file ,excluding dictionary (2)ctime, the character…
check relationship between tablespace and username. select username,default_tablespace from dba_users; SQL> select username,default_tablespace from dba_users; USERNAME DEFAULT_TABLESPACE —————————— —————————— NAME_A …
[root@ora9i 3238244]# unzip a.zip ERROR: ld.so: object ‘/lib/libcwait.so’ from /etc/ld.so.preload cannot be preloaded: ignored. unzip: cannot find or open a.zip, a.zip.zip or aC.zip.ZIP. [root@ora9i 3238244]# echo…