How to install a patch on the device?

How to install a patch on the device?

Using the OSPF hot patch as an example, the operation is as follows:

Ruijie#copy usb0:xxx tmp:----------------------------Copy the files in the USB flash drive in the tmp directory.

•     Ruijie#run-system-shell--------------------------------Enter the Shell configuration mode.

•     ~ # cd /sbin------------------------------------------------Access the sbin file.

•     /sbin # ls -la | grep ospf.elf------------------------------Check the current OSPF process.

•     /sbin # mv /sbin/ospf.elf /sbin/ospf.elf.bak-----------Back up the OSPF process.

•     /sbin # mv ospf.elf /tmp/vsd/0/ospf.elf.new----------Replace the OSPF file with the new OSPF file.

•     /sbin # chmod 777 ospf.elf------------------------------Authorization

•     /sbin # sync------------------------------------------------Synchronization

•     /sbin # ls -la | grep ospf.elf------------------------------Check the current OSPF process.

•     sbin # pgrep ospf.elf------------------------------Check the current OSPF process.

•     /sbin # pkill -9 ospf.elf-----------------------------------Restart the OSPF process.

•     After the OSPF process is restarted, the system outputs the following information:

•     /sbin # *Mar  5 18:42:39: %HA-5-HA_SCRIPT_RESTART: Process: /sbin/ospf.elf  Pid: 3743 receives error_signal[9] and quits, Process: /sbin/ospf.elf  is restarting ...

•     *Mar  5 18:42:39: %HA-5-HA_SCRIPT_RESTART: Process: /sbin/ospf.elf  restarts 2 times newpid is 3864 and restarts successfully