Dream of Mirror Ruins

Migrating Zabbix Server to Another Server from CentOS to Debian Recently, Migrating Zabbix Server to another server has become very relevant due to various changes in operating systems. Preparing to migrate Zabbix Server ・ Zabbix Documentation Migration of Zabbix Server Stop the zabbix service: systemctl stop zabbix-server zabbix-agent Doing a database dump. mysqldump -u root --single-transaction --quick --routines zabbix > /backup/zabbix_mysql.sql | gzip -c > /tmp/zabbix_mysql.sql...

Huawei RH8100 V3 Service Manual Replacement ・ https://support.huawei.com/enterprise/zh/doc/EDOC1000090959?idPath=23710424|251364409|21782478|21000390&section=o007 Troubleshooting Cause: BIOS, MemoryBoard, Board1 migrate fail, Spare board not exist. ・ https://support.huawei.com/enterprise/zh/knowledge/EKB1000092999?idAbsPath=23710424|251364409|21782478|21000390 Reseat MemoryBoard. Disable Memory Migration on BIOS Setup.

Oracle Database SYSAUX Tablespace Space Full Symptoms Oracle 数据库的 SYSAUX 表空间使用率超过 95%，触发告警。SYSAUX 表空间作为系统辅助表空间，存储了 AWR 快照、优化器统计信息等重要数据，一旦空间不足，可能影响数据库性能与稳定性。 SELECT occupant_name ,space_usage_kbytes / 1024 AS space_used_mb ,schema_name ,move_procedureFROM v$sysaux_occupantsORDER BY space_usage_kbytes DESC;SELECT OWNER ,segment_name ,segment_type ,partition_name ,bytes / 1024 / 1024 / 1024 Size_GBFROM dba_segmentsWHERE tablespace_name = 'SYSAUX'ORDE...

How to Unmount a Busy Device Symptoms umount: /www: target is busy. ~]$ df -hTFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/fedora-root xfs 15G 2.9G 13G 20% /devtmpfs devtmpfs 1.9G 0 1.9G 0% /devtmpfs tmpfs 2.0G 0 2.0G 0% /dev/shmtmpfs tmpfs 781M 1.6M 779M 1% /runtmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.servicetmpfs ...

ORA-01187,ORA-01110 Oracle Database 11.2.0.4 Symptoms SQL> select file_name from dba_temp_files;select file_name from dba_temp_files*ERROR at line 1:ORA-01187: cannot read from file because it failed verification testsORA-01110: data file 201: 'E:\ORACLE\ORADATA\IC\TEMP01.DBF' Solution Check the tablespace name. select * from v$tablespace; Add the tempfile with new name into temp tablespace. alter tablespace TEMP add tempfile 'E:\ORACLE\ORADATA\IC\TEMP_01.DBF' SIZE 100M AUTOEXTEND...

Deploying WordPress on Fedora Server 43 wp_user / Admin!123 admin / Rx_NpzE-4Bh!e97 Fedora Server 43 Mount disk. ~]$ sudo lvcreate -L 10G -n www fedora~]$ sudo mkfs.xfs /dev/fedora/www~]$ sudo mkdir /www~]$ sudo chown sakura:sakura /www~]$ sudo blkid~]$ sudo vim /etc/fstabUUID=4d404327-74fe-465e-8d02-fbd6d1e7b483 /www xfs defaults 0 0~]$ sudo systemctl daemon-reload~]$ sudo mount -a Install PHP. # Update the package lists.sudo apt update# Install PHP.sudo apt install -y php Download and ex...

Huawei VP96x0 Service Manual VP9660, VP9650, VP9630 Troubleshooting 媒体板出现内存超阀值告警。 ・ https://support.huawei.com/enterprise/zh/knowledge/EKB1100088630 ・ https://support.huawei.com/enterprise/zh/knowledge/EKB1100088634 SSH 登录 MCU，重启 MCU / 单板： displayalarm-info <slot>reboot <slot> Reference ・ HUAWEI VP9660,VP9650,VP9630 V500R002C00 Product Documentation.chm |

vSphere HA agent cannot be correctly installed or configured VMware ESXi, 6.7.0, 15160138 Symptoms Error: "vSphere HA agent cannot be correctly installed or configured" Reconfigure HA - The object 'vim.Datastore:datastore-XXXX' has already been deleted or has not been completely created. Cause The datastore-xxxx(LUN) was removed. However after reconfiguring HA it still was trying to use the LUN that was removed. Solution Use Option 2 - Select two or more specific datastores. Referen...