linux audit file changes

Each file and directory in the Http://unix-cd.com/vc/www/25/2007-10/8902.htmlLinux system has access permissions and is used to determine who can access and manipulate files and directories.Access to a file or directory is divided into read-only, write-only, and executable three types. As an example of a file, a read-only permission means that only the content is

How Linux Changes file properties and permissionsWe know that file permissions for a system of security importance, but also know the permissions of the file for users and groups of relevance, then how to modify the properties and permissions of a

like "-rwxr-xr--"? You can use "chmod u=rwx,g=rx,o=r filename" to set it. Also, if we know the original file attributes, and I just want to increase the. BASHRC per-person writable permissions for this file, then I can use:-rwxrwxrwx 1 root root 395 Jul 4 11:45. BASHRCAnd if you want to remove permissions without changing other existing permissions? For example, to take out the executable permissions of al

Using inotify to monitor file changes in linux is a useful method. There are many tutorials on how to configure inotify. Issue Using inotify to monitor file changes in linux is a useful method. There are many tutorials on how to

-------1 root root 0 June 23:17/var/log/sudo.log5. Test sudo log audit configuration results[Email protected]_back ~] #whoamiRoot[Email protected]_back ~] #su-ci001-bash:warning:setlocale:lc_ctype:cannot change locale (en): No such file or directory-bash:warning:setlocale:lc_collate:cannot change locale (en): No such file or directory-bash:warning:setlocale:lc_me

sub-directory will be changedFor example, if you want to set the. bashrc file with all permissions enabled, then release:-rwxrwxrwx 1 root root 395 Jul 4 11:45. BASHRCWhat if you want to turn permissions into-rwxr-xr--? Then the score of the privilege becomes [4+2+1][4+0+1][4+0+0]=754! So you need to release:[Email protected] ~]# chmod 754 filename3.2 Symbol Type change file permissionsThere is also a way

Inode operations on files in linux, block changes 1. create a file system and mount it: inode. The block information is as follows: filesystem Inodes IUsed IFree IUse % Mounted on/dev/sdb5 28112 11 28101 1%/test5/dev/sdb6 28112 11 28101 1%/test6Filesystem 1K-blocks Used Available Use % Mounted on/dev/sdb5 108837 5663 97555 6%/test5/dev/sdb6 108865 5663 97581/test

Inode operations on files in linux, block changes 1. create a file system and mount it to inode. the block information is as follows: FilesystemInodesIUsedIFreeIUse % Mountedon/dev/sdb5281_11281011 %... inode operations on files in linux, block changes 1. create a

* = PurpleCyan =Panax Notoginseng = Greymax = black backgroundBackground = Red* = Green background= Orange backgroundBackground = BlueBackground = PurpleBackground = CyanBackground = Grey* = Dark Grey= Light Red= Light GreenYellow =94 = light BluePurple = Light= Turquoise+ = dark grey background101 = Light Red background102 = Light green background103 = Yellow Background104 = light blue backgroundBackground = Light Purple106 = Turquoise BackgroundAfter execution:# eval ' dircolors/etc/dir_colors

Recently saw a group of people chatting to their server has recently been Hung horse, and then want to use a script to monitor the Web directory changes in real-time files, that is, the directory of additions and deletions to the corresponding log records. At that time feel this function is really a bit interesting, so I looked up some information on the Internet, I studied the next, now have time to write a script, to share with you, if th

When you use the LL or ls-l instructions, the first column displays the permissions of the files in the directoryFor example:-rw-r-r-The horizontal line represents an empty license. R is for read only, W for write, and X for executable. Note that there are 10 locations. The first character specifies the file type. In the usual sense, a directory is also a file. If the first character is a horizontal line, i

: +./DRWXRWXRWTTenRoot root4096Dec - xx: +.. /DRWXRWXR-X2Jerry Jerry4096Dec - xx: + 666/DRWXRWXR-X2Jerry Jerry4096Dec - xx: +sub_folder/[email protected]:/tmp/test_foler$ CD sub_folder/[email protected]:/tmp/test_foler/sub_folder$TouchA[email protected]:/tmp/test_foler/sub_folder$ lltotal8DRWXRWXR-X2Jerry Jerry4096Dec - xx: -./drwxrwxrwx4Jerry Jerry4096Dec - xx: +.. /-rw-rw-r--1Jerry Jerry0Dec - xx: -A[email protected]:/tmp/test_foler/sub_folder$chmod-R a+x/tmp/test_foler/[email protected]:/tmp/

down system logger: [OK] Starting system logger: [OK] [Root @ nginx_back ~] # Ll/var/log/sudo. log -Rw ------- 1 root 0 Jun 23/var/log/sudo. log 5. Test The sudo log audit configuration results [Root @ nginx_back ~] # WhoamiRoot[Root @ nginx_back ~] # Su-ci001-Bash: warning: setlocale: LC_CTYPE: cannot change locale (en): No such file or directory-Bash: warning: setlocale: LC_COLLATE: cannot change locale

One1. View the userThe command is as follows: WhoAmI2. Create a userCreate user command: sudo adduser helloSuper User is RootDelete user name command: sudo deluser hello--remove-homeSwitch User login command: su-l Hello3. User groupsGroupsView user groups command: Cat/etc/groupOr: Cat/etc/group | Sort (so that the displayed data is in dictionary order)Create User group: UsermodIi. Permissions for Linux files1. Permissions ViewView Permissions command:

"}, {in_q_overflow,"In_q_overflow"}, {in_unmount,"In_unmount"} , }; intMonitor =Inotify_init (); if( -1==monitor) {ERROR ("Monitor"); } intWatcher =Inotify_add_watch (monitor, Target, in_all_events); if( -1==watcher) {ERROR ("Inotify_add_watch"); } FILE*monitor_file = Fdopen (monitor,"R"); Charlast_name[1024x768]; Charname[1024x768]; /*event:inotify_event-Name:char[event.len]*/ while(1) { structInotify_eventE