How to Copy Hidden File and Directory
Hidden File and Directory First of all, let's see what we have in the directory. [erp@test ~]$ ls -al /backup/reports total 136 drwxrwxr-x 3 erp… Read More »How to Copy Hidden File and Directory
Linux
How to Resolve rm: cannot remove 'file': Permission denied
rm: cannot remove Tried to remove a file from the current directory, but it failed with permission denied. [erp@test ~]$ cd /backup/reports/ [erp@test reports]$ rm… Read More »How to Resolve rm: cannot remove 'file': Permission denied
How to Resolve mv: cannot move 'directory' to 'directory_2': Permission denied
mv: cannot move Tried to rename (mv) a directory owned by fin under /backup, but it failed with permission denied. [fin@test ~]$ cd /backup [fin@test… Read More »How to Resolve mv: cannot move 'directory' to 'directory_2': Permission denied
How to Resolve "Your PHP installation appears to be missing the MySQL extension which is required by WordPress"
If you saw this error in the browser during WordPress installation: Your PHP installation appears to be missing the MySQL extension which is required by… Read More »How to Resolve "Your PHP installation appears to be missing the MySQL extension which is required by WordPress"
How to Disable SELinux
Disable SELinux Let's see the current status of SELinux. [root@web ~]# sestatus SELinux status: enabled SELinuxfs mount: … Read More »How to Disable SELinux
Mysqldump Compress on the Fly
Backup MySQL Database MySQL provides mysqldump utility to let us dump SQL statements that can recreate the whole database. We can output the SQL statements… Read More »Mysqldump Compress on the Fly
How to Resolve Too many open files AH00132: file permissions deny server access
Saw some errors in httpd log: [Sat Jun 10 18:20:54.048569 2017] [core:error] [pid 5596] (24)Too many open files: [client 123.123.123.123:56399] AH00132: file permissions deny server… Read More »How to Resolve Too many open files AH00132: file permissions deny server access
How to Make httpd.conf Take Effect
Since restarting httpd service may cause connections disrupted for seconds, you may use reload action instead of restart to make your httpd server apply new… Read More »How to Make httpd.conf Take Effect
mysqldump Remote Database to Local One
Remote to Local For migrating a remote database, you can dump and pipe the whole database from remote server to local server via ssh tunnel… Read More »mysqldump Remote Database to Local One
426 Transfer aborted. Data connection closed.
When I retrieved a file from a remote host, ftp aborted the transfer immediately. ... ftp> get alertORCL.log 200 PORT command successful. 150 Opening data… Read More »426 Transfer aborted. Data connection closed.