Tech Support Notes
introduction
1.
Topic 01: Firewalls
1.1.
CSF
1.2.
APF
1.3.
IPtables
1.4.
UFW
1.5.
Windows Firewall
2.
Topic 02: Package Management
2.1.
Yum
2.2.
rpm
2.3.
rpm2cpio
2.4.
Apt
2.5.
dpkg
3.
Topic 03: Networking
3.1.
mtr/traceroute
3.2.
pathping
3.3.
ipv6
3.4.
nmap
3.5.
telnet/netcat
3.6.
netstat/ss
3.7.
Bandwidth and Speed Testing
3.8.
Assigning IP's
4.
Topic 04: DNS
4.1.
Dns overview
4.2.
dig
4.3.
host
5.
Topic 5: Configuration Files
5.1.
ssh
5.2.
apache
5.3.
samba
5.4.
bind/named
5.5.
exim
5.6.
postfix
5.7.
vsftpd
6.
Topic 6: Mysql
6.1.
to sort
7.
Topic 7: Apache
7.1.
to sort
8.
Topic 8: Memory
8.1.
free / vmstat
9.
Topic 9: Process Tracking
9.1.
ps
9.2.
lsof
9.3.
windows
10.
Topic 10: Partitions/Filesystems
10.1.
Basic Layout
10.2.
creating / modifying
10.3.
fdisk / parted
10.4.
fstab / mount
10.5.
labels / uuid
10.6.
LVM Part One
10.7.
LVM Part Two
11.
Topic 11: Devices/shares
11.1.
samba / nfs / nas
11.2.
iscsi
12.
Topic 12: Space and drive usage
12.1.
du / df / inodes
12.2.
iostat
12.3.
smartctl
13.
Topic 13: Logging
13.1.
logging configuration
13.2.
general system logs
13.3.
plesk logs
13.4.
cpanel logs
14.
Topic 14: Finding Exploits
14.1.
maldet
14.2.
rootkit hunter
14.3.
windows
15.
Topic 15: Email
15.1.
general troubleshooting
15.2.
exim
15.3.
qmail
15.4.
postfix
15.5.
spam
16.
Topic 16: Find
16.1.
find examples
17.
Topic 17: Rescue Layer/Live Environment
17.1.
mounting filesystem / chroot
17.2.
cloning
18.
Topic 18: Permissions/users/groups
18.1.
permissions
18.2.
users
18.3.
groups
19.
Topic 19: Cpanel
19.1.
general
19.2.
Moving Mysql
20.
Topic 20: Plesk
20.1.
general
21.
Topic 21: Windows
21.1.
windows to sort
21.2.
hyper-v
22.
Topic 22: Freebsd
22.1.
installing packages
22.2.
networking
22.3.
drive management
23.
Topic 23: Dumping ground
23.1.
sed / awk
23.2.
gdb
23.3.
curl / wget
23.4.
compress / uncompress
23.5.
rsync / scp
23.6.
Random commands
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Tech Support Notes
general troubleshooting