We must plug in U disk after RHEL6.5 had been installed to server, otherwise the server can not boot on the next time. The reason…
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.…
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…
[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…
Check whether AIO packages had been installed or not rpm -qa|grep aio libaio-devel-0.3.107-10.el6.i686 libaio-0.3.107-10.el6.x86_64 libaio-0.3.107-10.el6.i686 libaio-devel-0.3.107-10.el6.x86_64 Confirm whether aio packages had been loaded or not…