Linux kernel fs/pipe. c Denial of Service Vulnerability (CVE-2016-2847)Linux kernel fs/pipe. c Denial of Service Vulnerability (CVE-2016-2847)
Release date:Updated on:Affected Systems:
Linux kernel 〈 4.5
Description:
CVE (CAN) ID: CVE-2016-2847Linux Kernel is the Kernel of the Linux operating system.In versions earlier than Linux kernel 4.5, fs/pipe. c does not limit the amount of unread data in pipe, and
fat (9)Sectors per track: number of sectors per track (18)Sides: Number of disks (2)Volume serial number: volume ID (18f53a49)File System ID: File System ID (fat12)2. File Allocation Table fat1(1--9 sector)Purpose:Records the usage of each cluster in the disk space and their relationships. 9x512 = 4608Bytes, With 12 binary bits (1.5Bytes)Indicates the status of a cluster. A maximum of 3072 clusters can be managed, and 2847 clusters can be managed, wi
for Oracle CSS service to be available before startingOct 17 21:07:11 simpleit logger: ASM instance + ASM. Wait 6.Oct 17 21:07:33 simpleit logger: Waiting for Oracle CSS service to be available before startingOct 17 21:07:33 simpleit logger: ASM instance + ASM. Wait 7.Oct 17 21:07:55 simpleit logger: Waiting for Oracle CSS service to be available before startingOct 17 21:07:55 simpleit logger: ASM instance + ASM. Wait 8.Oct 17 21:08:16 simpleit logger: Waiting for Oracle CSS service to be avail
Brief introduction
DB2 UDB provides a framework for writing custom security plug-ins that administrators can use to perform DB2 UDB authentication. This framework is introduced in the DB2 UDB V8.2, and also supports plug-in authentication based on the Universal Security Service Application Programming interface (Generic, application programming Interface,gss-api).
Many DB2 UDB administrators use the GSS-API plug-in for Kerberos based authentication. Due to the smooth development of NFS V4 (net
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to JSON text public static final String tojsonstring (Object object, Boolean Prettyformat); Serializes JavaBean to formatted JSON text public static final object ToJSON (object javaobject); Convert JavaBean to Jsonobject or Jsonarray.
If you have never parsed JSON, do not understand it is OK, now I have the JSON string above, hands-on teaching you how to parse, learn to parse this more complex JSON string, I believe other you will certainly also parse.JSON string for everyone to take
RHEL6 ASM installation of Oracle 11g R2 tutorial directory:
I. Preparations before installationIi. Install the grid infrastructure3. Install database software4. Create a listener5. Create a database instance
I. Preparations before installation
1.1 determine the Operating System Environment
# Cat/etc/RedHat-release
Red Hat Enterprise Linux Server release 6.2 (Santiago)
Kernel \ r on an \ m
# Free-m
Total used free shared buffers cached
Mem: 2008 1309 699 0 62 875
-/+ Buffers/cache: 371 1637
Swap:
say that the function mysql_connect may be disabled. If other connections are used, the test will not work.
Modify the my. cnf file, remove skip_networking, bind_address = 127.0.0.1, and restart mysql.
For permission issues, grant all privileges on *. * to 'root' @ '127. 0.0.1 'identified by 'Password'; then flush privileges; the fault persists.
Modify the/etc/hosts file and add the 127.0.0.1 localhost item. The fault persists.
3. Check the apache error log. Only the log information such as t
item. The fault persists.
3. Check the apache error log. Only the log information such as the file does not exist is recorded, and no project related to accessing the mysql DATA connection file is found.
4. Check mysql logs and no related connection items are found.
5. Check the system log/var/log/messages. Clear echo "">/val/log/messages and access the data connection test file. The following information is found:
Nov 30 10:18:49 localhost setroubleshoot: SELinux is blocking the http daemon fr
'; then flush privileges; the fault persists.
Modify the/etc/hosts file and add the 127.0.0.1 localhost item. the fault persists.
3. check the apache error log. only the log information such as the file does not exist is recorded, and no project related to accessing the mysql data connection file is found.
4. check mysql logs and no related connection items are found.
5. check the system log/var/log/messages. clear echo "">/val/log/messages and access the data connection test file. The followi
skip_networking,bind_address=127.0.0.1, restart MySQL fault still.
Permission issue, grant all privileges on *.* to ' root ' @ ' 127.0.0.1 ' identified by ' password '; then flush privileges; The fault remains.
Modify/etc/hosts file, add 127.0.0.1 localhost item, the failure is still.
3, check the Apache error log, found that only the file does not exist log information, not found and access to MySQL data connection files related to the project.
4, view the MySQL log, did not find the r
privileges; The fault remains.
Modify/etc/hosts file, add 127.0.0.1 localhost item, the failure is still.
3, check the Apache error log, found that only the file does not exist log information, not found and access to MySQL data connection files related to the project.
4, view the MySQL log, did not find the relevant connection items.
5, finally I think up to check the system log/var/log/messages information too much, clean up: echo "" >/val/log/messages and then access the data connectio
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