scripts
bash <(wget -qO- din235.ru/scripts/time-astra.sh)
bash <(wget -qO- din235.ru/scripts/time-centos7.sh)
bash <(wget -qO- din235.ru/scripts/zabbix-centos7.sh)
bash <(wget -qO- din235.ru/scripts/zabbix-centos6.sh)
----
Zabbix CentOS 7

rpm -Uvh https://repo.zabbix.com/zabbix/6.4/rhel/7/x86_64/zabbix-release-6.4-1.el7.noarch.rpm
yum clean all
yum update zabbix-agent
vim /etc/zabbix/zabbix_agentd.conf
systemctl restart zabbix-agent
---
Zabbix CentOS 6

service zabbix-agent stop
service zabbix-agent start
---
Zabbix AltLinux

apt-get update
apt-get install zabbix-agent
vim /etc/zabbix/zabbix_agentd.conf
systemctl enable --now zabbix_agentd
---
netsh advfirewall firewall add rule name="Open Zabbix agentd port 10050 inbound" dir=in action=allow protocol=TCP localport=10050
netsh advfirewall firewall add rule name="Open Zabbix agentd port 10050 outbound" dir=out action=allow protocol=TCP localport=10050
netsh advfirewall firewall add rule name="Open Zabbix trapper port 10051 inbound" dir=in action=allow protocol=TCP localport=10051
netsh advfirewall firewall add rule name="Open Zabbix trapper port 10051 outbound" dir=out action=allow protocol=TCP localport=10051
---
GPING
https://github.com/orf/gping?tab=readme-ov-file
// Allow ping
netsh advfirewall firewall add rule name="Allow ICMPv4" protocol=icmpv4:8,any dir=in action=allow
netsh advfirewall firewall add rule name="Allow ICMPv6" protocol=icmpv6:8,any dir=in action=allow
---
firewall-cmd --permanent --zone=public --add-port=10050/tcp
firewall-cmd --permanent --zone=public --add-port=10050/udp
firewall-cmd --reload
iptables -xvn -L
---
iptables -t filter -A INPUT -p tcp -s 213.156.129.38 --dport 10050 -j ACCEPT
iptables -t filter -A INPUT -p udp -s 213.156.129.38 --dport 10050 -j ACCEPT
service iptables save
---
uninstall zabbix agent service from Windows:
sc delete "Zabbix Agent"
---
Linux
useradd -G wheel -p password -s /bin/bash name
passwd name
---
AltLinux Serv Add DISK
blkid #show UUID
lsblk #show parts
vim /etc/fstab #add correct UUID
#UUID=JFLEFLEOIMA /mnt/nas ntfs defaults 0 0
vim /etc/zabbix/zabbix_agent.conf
systemctl enable --now zabbix_agentd.service
apt-get remove anydesk
delete all anydesk folders
apt-get remove rustdesk
delete all rustdesk folders
epm play anydesk
epm play rustdesk
---
Zabbix SW Check
AllowKey = System.Run[*]
EnableRemoteCommands=1
---
#LDAP passwd
read username
ldappasswd -x -W -D "cn=Manager,dc=tsi,dc=ru" -S uid=$username,ou=Staff,dc=tsi,dc=ru
---
tar -czvf name.tar.gz foldername
tar -xvf name.tar.gz
---
tar -czvf $(hostname -s).tar.gz /etc/nginx
scp  :$HOME/ .tar.gz ~/
---
CentOS 7 upd repo EOL
sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
---
Clean linux cache:
free -h
vmstat

PageCache (priority):
sync; echo 1 > /proc/sys/vm/drop_caches
sync; echo 1 | sudo tee /proc/sys/vm/drop_caches

inode & dentrie:
sync; echo 2 > /proc/sys/vm/drop_caches

inode & dentrie & PageCache:
sync; echo 3 > /proc/sys/vm/drop_caches
---
disk:
error: dmesg
df -h, du, ncdu
sort: 
du / | sort -nr | cut -f2- | xargs du -hs
---
disk grow RHEL
echo 1 > /sys/block/sda/device/rescan
fdisk /dev/sda
Command (m for help): d
Partition number (1,2, default 2): 2
Command (m for help): n
Select (default p): p
Partition number (2-4, default 2): 2
Enter
Enter
Command (m for help): t
Partition number (1-2): 2
Hex code (type L to list all codes): 8e
Command (m for help): w
partx -u /dev/sda2
pvresize /dev/sda2
lvdisplay
#Found root part
lvextend -l +100%FREE /dev/XXXXXXX/root
xfs_growfs /dev/XXXXXXX/root
---
copy file name to name+date
cp demo.tar.gz demo-$(date +%y%m%d).tar.gz
---
Gold Centos 8
dnf install -y epel-release && dnf install -y ncdu htop iotop vim mc yum-utils telnet net-tools wget tree traceroute bind-utils zip
Gold Ubuntu
apt install -y ncdu htop iotop vim mc telnet net-tools wget tree traceroute zip
---
Curl:
curl --resolve example.com:443:127.0.0.1 https://example.com/ --header "Host: diff.example.com"