While working with Linux routing, it's not uncommon to encounter errors when adding static routes. A typical issue is the error message: "Error: either 'to' is duplicate, or 'gateway IP' is a garbage." This post details my experience with this error and how I resolved it. Encounter with the Error In my …

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1curl -s https://raw.githubusercontent.com/CoryHawkless/speedtest-cli/master/speedtest.py | python3 https://github.com/sivel/speedtest-cli/ https://askubuntu.com/questions/104755/how-to-check-internet-speed-via-terminal#269821

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Found this little nugget by accident but here is the command to use hpacucli on linux to determine which logical disk is mapped to which mount point 1[root@ceph1 ~]# /usr/sbin/uname26 hpacucli controller slot=2 ld 3 show 1Smart Array P410 in Slot 2 2 3array C 4 5Logical Drive: 3 6 Size: 3.6 TB 7 Fault Tolerance: 0 8 …

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No questions asked reboot. Danger Will Robinson, will most likely break many things! echo 1 > /proc/sys/kernel/sysrq echo b > /proc/sysrq-trigger Original article

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1curl ifconfig.me wget http://ipecho.net/plain -qO-

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1plink.exe -ssh root@192.168.200.2 -pw RootPassword "tcpdump -s 0 -w - 'port not 22'" | "c:\\Program Files\\Wireshark\\Wireshark.exe" -k -i -

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Get the WWN of the controller 1cd /sys/class/fc_host/host5/ 2 3[root@ibm2 host5]# cat node_name 40x200000051e8e53aa Rescan the FC bus. 1cd /sys/class/fc_host/host5/ 2echo "1" >; issue_lip OR 1yum install sg3_utils 2 3rescan-scsi-bus.sh List disks 1[root@hp by-path]# sscsi 2[0:0:0:0] disk ATA WDC WD4000FYYZ-0 …

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Get the model number of a server, tested on HP DL380 and 180's: 1 [root@cephosd4 ~]# dmidecode | grep "System Information" -A20 2 System Information 3 Manufacturer: HP 4 Product Name: ProLiant DL180 Gen9 5 Version: Not Specified 6 Serial Number: xxxxxxx 7 UUID: xxx-3335-5541-xxx-313930303734 8 Wake-up Type: …

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Original article here Using hpacucli to manage RAID. Create a single disk RAID0 (How i use Ceph on my HP DL180's) 1 hpacucli ctrl slot=2 create type=ld drives=1I:1:8 raid=0 Show all logical volumes 1[root@management ~]# hpacucli controller slot=0 logicaldrive all show 2 3Smart Array P410i in Slot 0 (Embedded) 4 5array …

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Unban an IP fail2ban-client set sshd unbanip --iphere-- Show status of jails 1[root@l1-adl3 ~]# fail2ban-client status 2 Status 3 |- Number of jail: 1 4 `- Jail list: sshd Show the Fail2Ban log cat /var/log/fail2ban.log

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